JIATF 401 System Engineer CACI International IncJIATF 401 System EngineerAlexandria, VA$94,400–$198,200 / yearThe Systems Engineer will leverage Maven Smart System (MSS), Palantir, Power BI, Python, AI-enabled analytical tools, and digital engineering methodologies to evaluate system performance, assess interoperability, manage technical risks, and deliver integrated mission capabilities supporting senior military and civilian leadership. Collaborate with engineers, software developers, cyber specialists, network engineers, data scientists, acquisition personnel, operators, and mission stakeholders to integrate complex technical systems into operational capabilities.
Senior Elastic Architect/Engineer ASRC Federal Holding CompanySenior Elastic Architect/EngineerVAThis position focuses on architecting solutions for large-scale data ingestion, real-time search and analytics, and visualization to maintain a strong data-driven decision-making capability and adhere to relevant data governance policies. The Elastic Architect/Engineer will collaborate with cybersecurity professionals, engineers, and IT staff to build and enhance data pipelines, create insightful dashboards, and improve the overall data platform.
NewAI/ML Engineer – Subject Matter Expert (SME) Argo Cyber SystemsAI/ML Engineer – Subject Matter Expert (SME)Arlington, VAFull timeCitizenshipActive Secret Security ClearanceAbility to obtain DHS Entry on Duty (EOD) SuitabilityBachelor's degree in Computer Science, Artificial Intelligence, Data Science, Software Engineering, Computer Engineering, or related STEM fieldFive (5) or more years of professional experience developing AI, ML, automation, or data engineering solutionsStrong Python development experienceExperience implementing machine learning pipelinesExperience integrating Large Language Models (LLMs)Experience with Amazon Bedrock and AWS AI servicesExperience building REST APIs and cloud-native applicationsExperience with Git, CI/CD pipelines, and software development best practicesStrong analytical, problem-solving, and communication skillsPreferred QualificationsActive TS/SCI ClearanceExperience supporting DHS, CISA, NSA, FBI, DoD, or Intelligence Community programsExperience implementing Generative AI solutionsExperience developing autonomous AI agentsExperience building RAG architecturesExperience with LangChain, LangGraph, CrewAI, AutoGen, Semantic Kernel, or similar AI orchestration frameworksExperience with Databricks AI PlatformExperience with vector databases (Pinecone, FAISS, ChromaDB, OpenSearch Vector Engine)Experience supporting malware analysis, digital forensics, or threat intelligenceExperience implementing MLOps pipelinesExperience deploying AI into production cloud environmentsDesired Technical SkillsArtificial IntelligenceLarge Language Models (LLMs)Generative AIRetrieval-Augmented Generation (RAG)Prompt EngineeringAI AgentsAgentic AIModel Fine-TuningReinforcement LearningNatural Language Processing (NLP)Embedding ModelsMachine LearningTensorFlowPyTorchScikit-learnXGBoostML PipelinesFeature EngineeringModel EvaluationModel DeploymentCloudAWSAmazon BedrockSageMakerLambdaECSEKSS3IAMCloudWatchDatabricksData EngineeringSparkKafkaKinesisAirflowPrefectSQLNoSQLData LakesETL/ELTVector DatabasesSoftware EngineeringPythonFastAPIREST APIsDockerKubernetesGitGitHub ActionsJenkinsTerraformCybersecurityMalware AnalysisThreat IntelligenceIncident ResponseDigital ForensicsMITRE ATT&CKDetection EngineeringSIEM IntegrationSecurity AutomationDesired CertificationsOne or more of the following certifications are highly desirable:AWS Certified Machine Learning – SpecialtyAWS Certified AI PractitionerAWS Solutions Architect – ProfessionalDatabricks Certified Machine Learning ProfessionalMicrosoft Azure AI Engineer AssociateGoogle Professional Machine Learning EngineerCSSLPDoD 8140 IAT Level IIICISSP (Preferred)GIAC Certified Forensic Analyst (GCFA) (Preferred)What Success Looks LikeWithin your first year you will:Deploy secure AI capabilities supporting DHS cyber operations. AI/ML Engineer – Subject Matter Expert (SME)Location: Government Facility (Hybrid/Onsite)Security Clearance: Active Secret Clearance Required (TS/SCI Preferred)Customer: U.S. Department of Homeland Security (DHS)Employment Type: Full-TimeAbout Argo CyberArgo Cyber Systems is a Service-Disabled Veteran-Owned Small Business (SDVOSB) delivering advanced cybersecurity engineering, artificial intelligence, cloud security, digital forensics, threat intelligence, and cyber modernization services to Federal agencies and critical infrastructure organizations.
Java Full Stack Engineer GuidehouseJava Full Stack EngineerBethesda, MD$98,000–$163,000 / yearThis role supports VSAC web applications, terminology services, value set authoring, APIs, search, scheduled jobs, content/document management, and healthcare data pipelines. Compensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs.
Data Center Engineer CACIData Center EngineerChantilly, Virginia$103,800–$218,100 / yearPay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Job Title: Data Center EngineerJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Continental US* * * The Opportunity:
Cybersecurity Implementation Engineer CACICybersecurity Implementation EngineerSpringfield, VirginiaA deep expertise in one of the following areas and working knowledge of one or more of the other following: Network Detection and Response (NDR), Endpoint Detection and Response (EDR), Next-Generation Firewalls (NGFWs), Intrusion Detection/Prevention Systems (IDS/IPS), F5 platforms, email/web security gateways. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
Sr. Network Engineer CIBR ForceSr. Network EngineerChantilly, VirginiaInstalls, configures, and supports an organization's local area network (LAN), wide area network (WAN), Federal client's Internet Network, Intranet and Internet and other data communications systems or a segment of a network system. Review user requests for upgrades or additions to the network to assess impact on network performance and provide advice and guidance on the most practical technical approach to meeting user requirements.
Systems Engineer III Scientific Research CorporationSystems Engineer IIIDahlgren, VirginiaFull timeAssisting in engineering analysis and developing hardware solution Rough Order of Magnitudes (ROMs), Build Order Materials (BOMs), Engineering Changes (ECs), Technical Data Packages (TDPs), and supporting documentation for new capabilities. The team provides solutions to enable customers to respond rapidly to emerging threats with systems that are scalable to platform, re-configurable to mission, modular (plug and play), and dynamically re-programmable to support new threats.
Senior Facilities Engineer Leidos Holdings Inc.Senior Facilities EngineerReston, VA$116,350–$210,325 / yearExperience with Industrial HVAC systems, Central Plant Utilities, Uninterruptible Power Supplies (UPS), Industrial Process systems, Water/Wastewater facilities, Data Centers, Cogeneration Plants, or Combined Cooling, Heating, and Power (CCHP) systems. As part of a facility characterization team, the candidate will: Systematically integrate all-source intelligence, geotechnical data, topographical data, facility expertise, and facility design and maintenance principles to characterize heavy industrial facility missions and physical configurations.
Senior Civil Engineer - TS/SCI Poly Leidos Holdings IncSenior Civil Engineer - TS/SCI PolyReston, VA$116,350–$210,325 / yearAll-Source Information Evaluation: Demonstrated experience researching, assessing, and synthesizing diverse intelligence and technical sources-including classified intelligence, open-source information, and grey literature such as foreign technical journals, patents, and equipment catalogs-to support facility and infrastructure characterization. MEP Systems Knowledge: Strong multidisciplinary understanding of Mechanical, Electrical, and Plumbing (MEP) system design, integration, and operational functionality within complex industrial or military facilities, including specialized containment, filtration, and backup power systems.
Full Stack Engineer UnissantFull Stack EngineerHerndon, VAThe ideal candidate is a hands-on engineer who is energized by building first-of-a-kind solutions, comfortable making independent technical choices, and skilled at turning high-level client needs into practical, secure, and scalable systems. Design, build, maintain, and optimize data pipelines, workflows, and application components in greenfield environments where few or no legacy systems, schemas, or reusable technical assets exist.
Full Stack Engineer Unissant IncFull Stack EngineerHerndon, VAThe ideal candidate is a hands-on engineer who is energized by building first-of-a-kind solutions, comfortable making independent technical choices, and skilled at turning high-level client needs into practical, secure, and scalable systems. Design, build, maintain, and optimize data pipelines, workflows, and application components in greenfield environments where few or no legacy systems, schemas, or reusable technical assets exist.
Senior Mechanical Engineer Leidos Holdings IncSenior Mechanical EngineerReston, VA$131,300–$237,350 / yearMEP Systems Expertise: Strong multidisciplinary understanding of Mechanical, Electrical, and Plumbing (MEP) system design, integration, and operational functionality within complex industrial or military facilities, including specialized containment systems, filtration systems, and backup power infrastructure. The successful candidate will leverage strong engineering expertise to analyze facility designs, spatial layouts, operational workflows, and supporting infrastructure to determine functional capabilities and mission relevance.
Senior Network Engineer BlueAllySenior Network EngineerWashington, DCThe Senior Network Engineer should have extensive experience in the design, implementation, and support of complex data and voice networks, provisioning and troubleshooting wide area services, diagnosing and resolving equipment configuration and network problems, monitoring network faults and performance, and supporting cabling infrastructures to support voice and data. Senior network engineering support to include advanced data design, upgrades, troubleshooting, and Level 3 operational support for the campus and wide area networks.
Senior Information System Security Officer (ISSO) Amatriot Group, LLCSenior Information System Security Officer (ISSO)Reston, VA$170,000–$201,000 / yearThe Senior ISSO will define, create, and maintain System Security Plans to support Accreditation and Authorization reviews and coordinate with customer security organizations, application development teams, and sustainment teams to maintain and/or obtain an Authority to Operate. The Amatriot Group is looking to hire an Information Systems Security Officer (ISSO) responsible for researching, generating, and validating security controls that support the customer’s Risk Management Framework.
Electrical Engineer Legence CorpElectrical EngineerVAThe company specializes in designing, fabricating, and installing complex HVAC, process piping, and other mechanical, electrical, and plumbing (MEP) systems-enhancing energy efficiency, reliability, and sustainability in new and existing facilities. Legence and its affiliates do not accept unsolicited resumes from agencies; any such submissions without a prior signed agreement authorized by Legence Holdings LLC's CHRO or Director of Talent Acquisition will not incur fees and are considered property of Legence.
Senior Water Technology and Reuse Engineer Concurrent Technologies CorpSenior Water Technology and Reuse EngineerArlington, VAKey Responsibilities: Technical Analysis: Serve as the technical lead for the project, from initial data collection to final reporting, including authoring the technical sections of all major project deliverables and presenting complex engineering concepts and findings to senior leaders. As part of the Energy, Resilience and Sustainability (ERS) Division, you will collaborate with experts to provide comprehensive policy, planning, and implementation services to deliver solutions that address critical infrastructure resilience and security, and data management issues and support the military mission, while reducing environmental impacts.
Cyber Data Analyst Engineer III CACI International Inc.Cyber Data Analyst Engineer IIISpringfield, VA$86,600–$181,800 / yearDesign, build, and maintain log data collection pipelines consisting of products like Cribl, ArcSight, Kafka, various AWS products, Linux servers, and Microsoft servers. Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
Electrical Engineer Career CollectiveElectrical EngineerChantilly, Virginia10+ years of experience in design and specification of: lighting systems, power systems, fire alarm systems, telcom/data systems, medium voltage power systems, UPS systems, emergency generator systems, grounding systems, and utility systems. Typical duties that the Senior Electrical Engineer will be expected to perform will include writing technical reports, performing calculations, selecting equipment, and designing lighting, power, fire alarm, security and telcom/data systems.
Senior Modeling & Simulation Lead Engineer - Remote Scientific Research CorporationSenior Modeling & Simulation Lead Engineer - RemoteAlexandria, VirginiaRemoteFull timeServing as a key technical advisor during all performer-driven project reviews, including the System Requirements Review (SRR), Integrated Baseline Review (IBR), Preliminary Design Review (PDR), Critical Design Review (CDR), and Technical Interchange Meetings (TIMs), with a focus on M&S-related content. Assessing contract performer strategies for creating and maintaining the "Digital Thread," ensuring data continuity from requirements definition in Model-Based Systems Engineering (MBSE) models through design, simulation, test, and operations.
Hypersonic Wind Tunnel Lead Engineer - REMOTE Scientific Research CorporationHypersonic Wind Tunnel Lead Engineer - REMOTEAlexandria, VirginiaRemoteFull timeWe are seeking an experienced Test Facility Lead Engineer to provide comprehensive technical oversight for the design, integration, operation, and maintenance of new and existing large-scale hypersonic ground test capabilities while providing technical leadership to ensure that once functional, the facility and its systems operate safely, reliably, and in alignment with performance requirements. Representing the government program office while attending contractor-chaired Integrated Product Team (IPT) meetings, Technical Interchange Meetings (TIMs), technical design reviews, and milestone reviews applying subject matter expertise to provide insights and communicate government questions and concerns to the contractor.
CE Industrial Controls Systems Engineer Manager Microsoft CorpCE Industrial Controls Systems Engineer ManagerVA$119,800–$234,700 / yearPreferred Qualifications: Bachelors Degree in Mechanical Engineering, Electrical Engineering, Controls Engineering or related field AND 3+ years technical experience in software engineering, network engineering, service engineering, or systems engineering. Managing, servicing, and governing Microsoft's electrical and mechanical industrial control systems (ICS) to include servers, applications, networks, and device infrastructure deployed within Microsoft's 24x7x365 mission-critical datacenters.
Principal Kubernetes Engineer Leidos Holdings IncPrincipal Kubernetes EngineerDC$154,050–$278,475 / yearWorking alongside cloud engineers, software developers, cybersecurity professionals, and product managers, you will architect, automate, and optimize enterprise Kubernetes capabilities that improve developer productivity, strengthen platform security, and enhance operational resilience. In this role, you will serve as the senior technical lead for one of four Kubernetes platform environments, driving the engineering of secure, scalable, and highly available platform services that enable rapid software delivery across hybrid cloud environments.
Linux Systems Engineer (TS/SCI) MaxaarLinux Systems Engineer (TS/SCI)Herndon, VirginiaYou will work with a dynamic team consisting of Linux Administrators, DevOps & Infrastructure Engineers, Systems Engineers to support computational design elements of high-performing Graphics Processing Units (GPUs) and harnessing that power to feed into the new Platform. Your work directly impacts national security and global issues, you will have the chance to contribute to missions that are of paramount importance to the United States and its allies, know that that the virtual environments you support are making a difference on a global scale.
Engineer, IAM & Endpoint Platform The Carlyle Group Employee Co.Engineer, IAM & Endpoint PlatformWashington, District of ColumbiaContribute to other Enterprise Productivity Solutions workstreams as needed, including Microsoft 365 administration, broader Microsoft platform initiatives, virtual desktop solutions, and other end-user technology platforms, staying versatile across the EPS portfolio while keeping IAM and endpoints as primary focus. Design and maintain Joiner-Mover-Leaver (JML) workflows and Role-Based Access Control (RBAC) frameworks in SailPoint IdentityNow, including role mining, entitlement mapping, provisioning, access certifications, and automated deprovisioning, to enforce least-privilege access and meet regulatory requirements.
Cribl Engineer - Active TS/SCI ENS Solutions, LLCCribl Engineer - Active TS/SCIWashington, DCENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support, Solutions, and Services that yield enduring results. Must possess the following DoD 8570.01-M certifications or be willing to obtain within 30 days of hire: o Information Assurance Technician (IAT) Level II certification (currently Security+ CE, CCNA-Security, GSEC, SSCP, CySA+, GICSP, or CND).
Devsecops Engineer GuidehouseDevsecops EngineerWashington, DC$98,000–$163,000 / yearThe successful candidate will work closely with developers, architects, system engineers, and cybersecurity professionals to build and maintain secure delivery pipelines, automate infrastructure deployments, and improve development and operational efficiency. The ideal candidate combines experience across software development, cloud platforms, infrastructure automation, continuous integration/continuous delivery (CI/CD), and security integration throughout the software development lifecycle.
Cribl Engineer - Active Ts/Sci ENS Solutions, LLCCribl Engineer - Active Ts/SciReston, VAENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support, Solutions, and Services that yield enduring results. Must possess the following DoD 8570.01-M certifications or be willing to obtain within 30 days of hire: o Information Assurance Technician (IAT) Level II certification (currently Security+ CE, CCNA-Security, GSEC, SSCP, CySA+, GICSP, or CND).
Senior Network & Telecom Engineer IBSS CorporationSenior Network & Telecom EngineerSilver Spring, MD$100,000–$140,000 / yearThe ASOS directly supports: (1) Air Traffic Controllers relying on surface observations to provide airport weather parameters to safely support National Aerospace System (NAS) operations; (2) surface weather observations at airports required for dispatch of commercial aircraft; (3) surface observations required for Instrument Flight Rules (IFR) operations; (4) surface observation data required by the Office of Operational Systems and used by the NWS to produce weather forecast models and products; (5) dial-in services to the aviation community and general public for automated voice weather reports; and (6) Ground-to-Air (GTA) radio broadcasts of automated voice weather reports. A senior engineer in this role needs a combination of expert-level networking and specialized cloud credentials: Cloud Specialization: AWS Certified Advanced Networking – Specialty is essential for designing secure, scalable AWS network architectures like Transit Gateways and Direct Connect.
Senior DevOps/Compliance Engineer (FedRAMP Continuous Compliance) UBERETHER INCSenior DevOps/Compliance Engineer (FedRAMP Continuous Compliance)Sterling, VARemoteFull timeExpert-level knowledge of Google Cloud Platform (GCP) services, IAM, networking, and security tooling, with relevant certifications (Professional Cloud DevOps Engineer preferred). Build and maintain Infrastructure as Code (Terraform, Deployment Manager) that encodes KSI controls directly into GCP deployments.
Senior Specialist, Network Plan Engineer L3Harris Technologies IncSenior Specialist, Network Plan EngineerHerndon, VA$102,000–$189,000 / yearThe Network Planning Engineer will work closely with cross-functional engineering team including software, integration, test, cybersecurity, and corporate IT teams to ensure reliable and secure operation of services and applications. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.
Hybrid Multi-Cloud Engineer SME Leidos Holdings IncHybrid Multi-Cloud Engineer SMEFort Belvoir, VA$131,300–$237,350 / yearThe selected candidate will collaborate with systems engineers, cybersecurity professionals, network engineers, and application teams to develop cloud architectures that align with DoD enterprise cloud strategies and Zero Trust objectives. This includes working knowledge of comply-to-connect, Zero Trust Network Access, Role- and Attribute- Based Access Controls (RBAC/ABAC), Working knowledge of Purview or similar data governance platforms.
Hybrid Multi-Cloud Engineer SME (Azure/Identity) Leidos Holdings IncHybrid Multi-Cloud Engineer SME (Azure/Identity)Fort Belvoir, VA$131,300–$237,350 / yearDesign Azure Landing Zones, governance frameworks, subscription architectures, and management group strategies following Microsoft Cloud Adoption Framework (CAF) and Azure Well-Architected Framework guidance. The ideal candidate will have experience supporting DoD cloud initiatives, implementing hybrid identity solutions, and engineering cloud environments that align with Zero Trust principles and Department of Defense cybersecurity requirements.
Specialist, Integration and Test Engineer L3Harris Technologies IncSpecialist, Integration and Test EngineerDahlgren, VA$88,500–$164,500 / yearJob Description: As the premier provider of Space Domain Awareness (SDA) mission solutions for the United States Space Force, L3Harris is seeking a mid-level Integration and Test Engineer to perform Software Systems Integration and System Test functions related to the MOSSAIC C2 Space Domain Awareness (SDA) mission. The ideal candidate will have some experience in Systems Engineering Integration & Test (SEIT) activities such as Requirements Development/Derivation, Test Documentation (Plans, Procedures, Reports), Test Execution, System Troubleshooting, and Defect Tracking and Resolution.
Integrated Protection Strategy Engineer - Junior KBR IncIntegrated Protection Strategy Engineer - JuniorChantilly, VARequired Qualifications: Education & Experience: Master's degree and 1 year of relevant experience with demonstrated expertise, OR Bachelor's degree and 2 years of relevant experience with demonstrated expertise, OR No degree and 4 years of relevant experience with demonstrated expertise. KBR is seeking Integrated Protection Strategy Engineer - Junior, to support the analysis and execution of collision avoidance strategies to ensure the safety of space assets in dynamic orbital environments.
Splunk Engineer Leidos Holdings IncSplunk EngineerAshburn, VA$87,100–$157,450 / yearDHS Customs and Border Protection (CBP) Security Operations Center (SOC) is a US Government program responsible to prevent, identify, contain, and eradicate cyber threats to CBP networks through monitoring, intrusion detection and protective security services to CBP information systems including local area networks/wide area networks (LAN/WAN), commercial Internet connection, public facing websites, wireless, mobile/cellular, cloud, security devices, servers and workstations. PRIMARY RESPONSIBILITIES: The Splunk Engineer 1 will provide overall engineering, and administration in supporting a very large distributed clustered Splunk environment consisting of search heads, indexers, deployers, deployment servers, heavy/universal forwarders, and Splunk Enterprise Security premium apps, spanning security, performance, and operational roles.
Windows Infrastructure-as-Code Systems Engineer The Aerospace CorpWindows Infrastructure-as-Code Systems EngineerChantilly, VA$135,200–$220,000 / yearIn addition to the above, the minimum requirements for the Windows environments and Infrastructure-as-Code (IaC) (Site Reliability Engineer Staff IV) include: • A minimum of (7) years of hands-on experience in managing enterprise Windows systems, including Active Directory, Group Policy administration, configuration, troubleshooting, and security hardening to maintain a secure operational environment, is required. Minimum Requirements for the Windows environments and Infrastructure-as-Code (IaC) (Site Reliability Engineer Staff III) include: • Bachelor's of Science in Computer Science, Engineering, or a related field-or equivalent hands-on experience that demonstrates your technical expertise and innovative mindset is required.
DevSecOps Engineer GuidehouseDevSecOps EngineerDc, District of Columbia$98,000–$163,000 / yearThe successful candidate will work closely with developers, architects, system engineers, and cybersecurity professionals to build and maintain secure delivery pipelines, automate infrastructure deployments, and improve development and operational efficiency. The ideal candidate combines experience across software development, cloud platforms, infrastructure automation, continuous integration/continuous delivery (CI/CD), and security integration throughout the software development lifecycle.
Lead Network & Cloud Engineer/SME IQUASAR LLCLead Network & Cloud Engineer/SMEWashington, DCRemoteFull timeRequired Technical Skills and Knowledge : Expert-level, hands-on expertise in managing the full Cisco Meraki suite (MX Security Appliances, MS Switches, MR Access Points). Demonstrated mastery of Microsoft Azure networking, including VNets, subnets, peering, NSGs, Azure Firewall, VPN Gateway configuration, and ExpressRoute/Direct Connect.
Cybersecurity Engineer - Cloud Science Applications International CorpCybersecurity Engineer - CloudChantilly, VA$160,001–$200,000 / yearAt the center of this mission, the Common Mission Control Center (CMCC) unifies data, sensors, mission applications, cloud based services, and emerging AI enabled automation to give warfighters a decisive edge-turning complex, multidomain information into fast, clear, and actionable decisions in the moments that matter most. The role implements JSIG/NIST/STIG baselines, engineers secure multi classification cloud designs, validates Capability Provider and External cyber artifacts, and ensures all required evidence is provided to the Infrastructure TO for Baseline updates.
Senior Modeling & Simulation Lead Engineer Remote Scientific Research CorpSenior Modeling & Simulation Lead Engineer RemoteAlexandria, VARemoteServing as a key technical advisor during all performer-driven project reviews, including the System Requirements Review (SRR), Integrated Baseline Review (IBR), Preliminary Design Review (PDR), Critical Design Review (CDR), and Technical Interchange Meetings (TIMs), with a focus on M&S-related content. Assessing contract performer strategies for creating and maintaining the "Digital Thread," ensuring data continuity from requirements definition in Model-Based Systems Engineering (MBSE) models through design, simulation, test, and operations.
Desktop SCCM Engineer Science Applications International CorpDesktop SCCM EngineerVARemote$80,001–$120,000 / yearCollaborate with cross-functional DCSA teams, including Data Center Operations (DCO) and Computer Network Defense, to streamline the deployment, patching, securing, sanitizing, and transportation of IT assets. Make a difference for national security by joining a team of dedicated IT professionals who will sustain, modernize and transform the enterprise IT capabilities of the Defense Counterintelligence and Security Agency (DCSA).
New2026 Communications Architecture Analyst - Communications Systems Engineer The Aerospace Corp2026 Communications Architecture Analyst - Communications Systems EngineerChantilly, VA$100,000–$110,000 / yearThe Communication and Ground Architectures Performance Department (CGAPD) within the Integrated Performance Subdivision (IPS) consists of a team dedicated to delivering modeling, simulation, and analysis (MS&A) solutions to answer new and emerging government and commercial customer needs. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers.
Senior Blast Project Engineer Thornton TomasettiSenior Blast Project EngineerWashington DC, WashingtonThis role blends engineering analysis, consulting, and collaboration, working alongside structural engineers, architects, and security specialists to assess risks and develop practical, high-performance protective design strategies for new and existing facilities. You will lead and contribute to blast, ballistics, and forced-entry hardening efforts across a wide range of project types – transit, education, commercial, and critical infrastructure – translating advanced technical analyses into clear, implementable solutions.
Custom Software Engineer Accenture Federal ServicesCustom Software EngineerWarrenton, VAThe pay range for the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland is: $111,900—$150,100 USD What We Believe As a company wholly dedicated to serving the US federal government, we bring together the best talent to help reinvent how federal agencies operate and deliver greater value for their mission and the American people. As required by local law, Accenture Federal Services provides reasonable ranges of compensation for hired roles based on labor costs in the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland .
NewData Engineer Accenture Federal ServicesData EngineerArlington, VAThe pay range for the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland is: $78,600—$160,200 USD What We Believe As a company wholly dedicated to serving the US federal government, we bring together the best talent to help reinvent how federal agencies operate and deliver greater value for their mission and the American people. As required by local law, Accenture Federal Services provides reasonable ranges of compensation for hired roles based on labor costs in the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland .
Information Assurance and Security Specialist – Master AHU TechnologiesInformation Assurance and Security Specialist – MasterWashington, District of Columbia$85–$93 / hourEnsures that all information systems are functional and secure Qualifications: · 16+ years of experience developing, maintaining and recommending enhancements to IS policies/requirements (Required) · 16+years of experience performing vulnerability/risk analyses of computer systems/apps (Required) · 16+ years of experience identifying, reporting and resolving security violations (Required) · Cloud-Azure (Highly Desired) · Experience in complex Enterprise-level projects (Required) · Expert understanding of Windows server operating systems (Required) · Knowledge of on-premise and cloud security productions (Required) · Good understanding of IP Networks/Security (Required) · Extensive experience troubleshooting NetApp SAN (Required) · In-depth knowledge of SAN replication/Disaster Recovery (Highly Desired) · Hands-on experience managing storage on VMware ESXi (Required) · Good understanding of server/endpoint operating sytem (Required) · Windows 2016 AD Enterprise troubleshooting experience (Required) · In-depth experience with Disaster Recovery & Avoidance planning (Required) · VMare Site Recovery Manager experience (Highly Desired) · Excellent understanding of troubleshooting IT infrastructure (Highly Desired) Skills Matrix: · Experience developing, maintaining and recommending enhancements to IS policies/requirements. Job Description: Short Description: Information Assurance and Security Specialist – Master Complete Description: Duties: · Identify network problems, and recommend improvements to ensure optional performance; · Ability to monitor and analyze data traffic patterns within the OCFO Network infrastructure · Ability to enhance security and knowledge of the latest security threats, worms, and malware and advise on how to deter them; · Ability to reliability of the network through the above actions; · Extensive experience in developing strategic systems architecture plans · Experience with Storage infrastructure (NetApp Storage) and technologies include virtualization/arrays, FC/FCOE, NFS, ISCSI.
Information Assurance & Security Specialist – Journeyman AHU TechnologiesInformation Assurance & Security Specialist – JourneymanWashington, District of Columbia$58–$65 / hourEnsures that all information systems are functional and secure Qualifications: · 6-10 years of experience developing, maintaining, and recommending enhancements to IS policies/requirements (Required) · 6-10 years of experience performing vulnerability/risk analyses of computer systems/apps (Required) · 6-10 years of experience identifying, reporting, and resolving security violations (Required) · Patching Server 2008 / 2012 /2016 (Required) · Patching Desktop Windows 10 / 7 (Required) · Firewall management CISCO NGFW (Required) · Vulnerability assessment tools Nessus, Tripwire (Desired) · VMware 5.5 / 6.0 (Required) · Production support (Required) · Server and Desktop troubleshooting (Required) · NIST 800-53 experience (Desired) · Splunk (Desired) · Cloud experience (MS Azure) (Desired) Education: a. Job Description: Short Description: Information Assurance and Security Specialist – Journeyman (IA & SS – Jrny) FT, Hybrid Position - Only DMV-based candidates will be considered Complete Description: Duties: · As part of the Client technology team, the Security Specialist (Infrastructure Group) will be maintaining and monitoring day to day operation of the Client IT infrastructure – Security.
Information Assurance & Security Specialist – Master AHU TechnologiesInformation Assurance & Security Specialist – MasterWashington, District of Columbia$82–$91 / hourEnsures that all information systems are functional and secure Qualifications: · 16+ years of experience developing, maintaining and recommending enhancements to IS policies/requirements (Required) · 16+years of experience performing vulnerability/risk analyses of computer systems/apps (Required) · 16+ years of experience identifying, reporting and resolving security violations (Required) · Cloud-Azure (Highly Desired) · Experience in complex Enterprise-level projects (Required) · Expert understanding of Windows server operating systems (Required) · Knowledge of on-premise and cloud security productions (Required) · Good understanding of IP Networks/Security (Required) · Extensive experience troubleshooting NetApp SAN (Required) · In-depth knowledge of SAN replication/Disaster Recovery (Highly Desired) · Hands-on experience managing storage on VMware ESXi (Required) · Good understanding of server/endpoint operating sytem (Required) · Windows 2016 AD Enterprise troubleshooting experience (Required) · In-depth experience with Disaster Recovery & Avoidance planning (Required) · VMare Site Recovery Manager experience (Highly Desired) · Excellent understanding of troubleshooting IT infrastructure (Highly Desired) Education: · Bachelor's Degree in IT or related field or equivalent experience (Required) · Master's Degree in IT or related field or equivalent experience (Highly Desired) · Security CISSP, Security+, CEH (Required) Skills Matrix: · Experience developing, maintaining and recommending enhancements to IS policies/requirements. Job Description: Short Description: Information Assurance and Security Specialist - Master Complete Description: Duties: · Identify network problems, and recommend improvements to ensure optional performance; · Ability to monitor and analyze data traffic patterns within the Client Network infrastructure · Ability to enhance security and knowledge of the latest security threats, worms, and malware and advise on how to deter them; · Ability to reliability of the network through the above actions; · Extensive experience in developing strategic systems architecture plans · Experience with Storage infrastructure (NetApp Storage) and technologies include virtualization/arrays, FC/FCOE, NFS, ISCSI.
NewInformation Security Manager III Argo Cyber SystemsInformation Security Manager IIIArlington, VAFull timeEmployment with Argo Cyber Systems is contingent upon successful completion of all required background investigations and pre-employment screenings, which may include, but are not limited to:Criminal background checks (federal, state, and local)Employment and education verificationReference checksDrug screening (in compliance with federal and state law)Security clearance verification (as applicable for classified positions)Candidates selected for employment in positions requiring access to sensitive or classified information may also be subject to additional U.S. Government background investigations and security adjudication processes, including DHS Entry on Duty (EOD) suitability or equivalent federal clearance requirements. Information Security Manager IIILocation: Arlington, VA (On-Site)/ HybridCitizenship: US onlyClearance: Active TS/SCI (DHS EOD Suitability required)Company: Argo Cyber Systems, LLC - Service-Disabled Veteran-Owned Small Business (SDVOSB)About Argo Cyber SystemsArgo Cyber Systems provides mission-critical cybersecurity support to U.S. Government agencies and critical infrastructure owners nationwide.