NewSystems Security Engineer (ACAS/VRAM) Bowhead / UIC Technical ServicesSystems Security Engineer (ACAS/VRAM)Dahlgren, VAYou will work closely with other developers, as well as with stakeholders from different departments, to ensure that our RMF A&A packages are accurate, complete, and meet all necessary requirements. Prefer a working knowledge of STIG Viewer, Vulnerability Remediation Asset Manager (VRAM) reporting and understanding of Compliance Task Orders (CTO)s.
Cyber Security Engineer III System OneCyber Security Engineer IIISpringfield, VA$135,000–$135,000 / hourThe ideal candidate will have hands on experience in incident response, CSOC or SOC operations, digital forensics, malware analysis, indicator development, and cyber incident reporting within a DoD, Intelligence Community, or federal cyber environment. • Experience supporting cyber incident response, CIRT, CSOC, SOC, DFIR, threat hunting, or defensive cyber operations.
NewData Security Engineer System OneData Security EngineerVienna, VAProvide technical guidance and collaboration with other Cyber Security Engineers supporting technologies within designated area of focus (Data Scanning). Establish and maintain supporting documentation (architecture/data flow diagrams, runbooks, ServiceNow tickets, user stories and tasks).
NewSr Cloud Security Engineer PlanIT GroupSr Cloud Security EngineerFalls Church, VAExperience: 8+ years in a technical Cybersecurity Engineering role, with at least 4 years focused on large-scale cloud or hybrid environments, and a portfolio of projects where AI or Machine Learning was directly applied to solve security or operational scaling problems. • API-First Automation: Deep expertise in building "glue code" that connects disparate COTS and custom applications via secure, automated APIs to streamline cross-functional business activities.
Systems Admin/Cyber Security Engineer System OneSystems Admin/Cyber Security EngineerVienna, VARemoteThe engineer works closely with cyber teams, manages ticket queues, performs access reviews, responds to audits, and contributes to documentation while supporting Agile/Kanban workflows and enterprise security initiatives. We are looking for candidates with 7-10 years of experience as a Systems Administrator with strong Linux/Windows administration, cybersecurity operations, patch management, automation, networking, and enterprise change management experience.
NewSystem Engineer - Cyber Security Engineering Focus EsriSystem Engineer - Cyber Security Engineering FocusVienna, VA$120,640–$197,600 / yearYoull work closely with other system engineers, administrators, and program teams to ensure systems are built, assessed, and operated in compliance with DoD and NIST requirements. Compensation decisions and the base range for this role take into account many factors including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs.
Senior Network Engineer (CCIE) – Security System OneSenior Network Engineer (CCIE) – SecurityAlexandria, VA$230,000–$270,000 / yearThe ideal candidate will bring deep hands-on experience designing, securing, optimizing, and troubleshooting complex network environments while also serving as a technical leader and trusted advisor to government stakeholders. The Senior Network Engineer / Security SME will provide expert-level network engineering, security architecture, and operational support across enterprise and tactical networks.
Data Automation Engineer Big Impact Tech (BIT)Data Automation EngineerWashington, DCFull timeThe ideal candidate will design, develop, and maintain automated data pipelines, workflows, and integration solutions that improve operational efficiency, data quality, and reporting capabilities. We deliver mission-focused solutions in digital transformation, cloud technologies, cybersecurity, enterprise platforms, and program management.
NewIT- Cyber Security Architect/ Engineer III PlanIT GroupIT- Cyber Security Architect/ Engineer IIIFalls Church, VASecuring AI Workflows: Design security frameworks for the end-to-end AI lifecycle, including securing data ingestion, protecting model weights, and implementing "Guardrail" architectures for Large Language Models (LLMs). • AI-Enhanced Pipeline Security: Architect and maintain automated CI/CD pipelines that utilize AI/ML models for static and dynamic analysis (SAST/DAST) to identify complex vulnerabilities that traditional rule-based tools miss.
AWS Cloud Security Engineer System OneAWS Cloud Security EngineerMcLean, VARemoteSupport alignment with security and compliance frameworks such as CIS Benchmarks, NIST, HIPAA, FedRAMP, and SOC 2. • Assist with incident detection, investigation, response, and audit trail maintenance across AWS accounts and services. • Strong hands-on knowledge of AWS services, including EC2, S3, RDS, Lambda, ECS/EKS, CloudFront, Route 53, IAM, CloudTrail, AWS Config, and KMS.
Junior Linux Systems Engineer (RHEL/Clearance) JobotJunior Linux Systems Engineer (RHEL/Clearance)Manassas, VA$80,000–$100,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Integrating and testing software deliveries, verifying bug fixes, and performing regression testing across multiple hardware and operating system configurations.
NewSoftware Engineer II, Messaging Security Products AbnormalSoftware Engineer II, Messaging Security ProductsWashington DC, DCThe engineer will be responsible for building and maintaining comprehensive products, ensuring seamless integration from the database layer to the user interface, with a primary focus on back-end development and some front-end responsibilities (80% back end, 20% front end). • Design and execute software projects that are crucial to Abnormal’s success, in collaboration with a team of engineers, through conception, design, implementation, launch, and operation.
NewStaff Software Engineer, Security & Privacy AbnormalStaff Software Engineer, Security & PrivacyWashington DC, DCDistributed systems expert – you bring deep experience designing and operating large-scale distributed systems, and have partnered with security teams to build secure-by-default solutions. Were looking for a distributed systems expert who has worked closely with security teams — someone who can drive Product Security at scale and translate that into clear, executable technical roadmaps.
Systems/Network Engineer Bowhead / UIC Technical ServicesSystems/Network EngineerDahlgren, VAThe Systems/Network Engineer is responsible for maintaining multiple computing environments by identifying network requirements; installing upgrades; monitoring network performance, and managing network configuration consistency. Implement local area networks (LAN), wide area networks (WAN), intranets, extranets, & other data networks.
NOC Support Engineer Inmarsat Government, IncNOC Support EngineerReston, VAFull timeLeveraging an industry-leading scalable, multi-band network infrastructure, Inmarsat Government offers a suite of managed network services and end-to-end communication solutions to support users on land, at sea and in the air, even in the world’s most remote regions. The NOC Support Engineer is responsible for maintaining, modifying, and managing the NOC's software and monitoring infrastructure, including hardware and software applications used to monitor and manage Inmarsat Government's global MPLS and SATCOM networks.
SPOC Engineer Inmarsat Government, IncSPOC EngineerReston, VAFull timeThese activities may be under guidance or instruction from management/support personnel or conducted directly by the individual and will include routine on-station operational tasks on the satellites and Ground Control System (GCS), special activities in response to non-nominal conditions, off-line support functions, together with first level trouble shooting and anomaly resolution of the satellites and GCS. Leveraging an industry-leading scalable, multi-band network infrastructure, Inmarsat Government offers a suite of managed network services and end-to-end communication solutions to support users on land, at sea and in the air, even in the world’s most remote regions.
Virtualization/Storage Engineer Bowhead / UIC Technical ServicesVirtualization/Storage EngineerDahlgren, VAThe Virtualization/Storage Engineer will be responsible for the end-to-end lifecycle management (design, deployment, maintenance, and optimization) of our core VMware, Enterprise Storage (NetApp/Vast), and Rubrik Backup environments. Knowledge of Department of Defense (DoD) networking and security accreditation requirements such as Security Technical Implementation Guides (STIGs) and Security Content Automation Protocol (SCAP).
NewSenior Specialist, Information Security Systems Engineering L3Harris TechnologiesSenior Specialist, Information Security Systems EngineeringChantilly, VA$106,500–$196,500 / yearAssist in systems/software engineering functions, to include creation of data flow diagrams, interface control documents, perform trade studies, and Static Application Security Testing (SAST) for Application Security and Development Secure Technical Implementation Guide (STIG) compliance using tools such as Fortify/Coverity and Gitlab as part of a DevSecOps Continuous Integration/Continuous Deployment (CI/CD) Pipeline, and generation of summary reports. Perform skills in implementing/assessing security controls, to include writing system security categorization memorandum, recommending appropriate security control overlays, define security control baseline based on defined system security categorization and approved security overlays, and apply security controls to computing/network nodes and verify implementation of security controls.
NewLead, Software Engineer L3Harris TechnologiesLead, Software EngineerHerndon, VAPlease click here for the E-Verify Poster in English or Spanish. In addition to technical contributions, this position conducts the day‑to‑day software lead activities by providing technical guidance, assigning tasks, reviewing and approving formal documentation, and estimating labor, tools, and other resources to meet budget and schedule commitments.
Network Engineer II Company ConfidentialNetwork Engineer IIReston, VAFull timeProvide assistance and oversight for all information systems operations activities, including computer and telecommunications/communications operations, data entry, data control, LAN/MAN/WAN administration and operations support, operating systems programming, system security policy procedures, and/or web strategy and operations. Perform a variety of systems engineering tasks and activities that are broad in nature and are concerned with major systems design, integration, and implementation, including, hardware, software, budgetary, and support facilities and/or equipment.
NewIT - Information Security/Privacy Analyst II PlanIT GroupIT - Information Security/Privacy Analyst IIReston, VACollaborate with security engineers, compliance officers, and business managers to ensure policies are both technically sound and operationally practical. • The enforced dress code is business casual, i.e., collared shirt with slacks for men, no skirts above the knee for women.
Electrical Engineer Bowhead / UIC Technical ServicesElectrical EngineerDahlgren, VARemoteWe will be looking to hire a mid level( 5 years of experience, and a SR level candidate, ten (10) years experience in electromagnetic system design, analysis and test with U.S. Navy/Joint DE systems including pulsed power, RF, Laser, and CIED systems and components. The Electrical Engineer will design, develop, test, and supervise the manufacturing of electrical and electronic equipment for electronic warfare systems.
Sr. Electrical Engineer Bowhead / UIC Technical ServicesSr. Electrical EngineerDahlgren, VARemoteA BA/S is required in Electrical Engineering in addition to ten (10) years experience in electromagnetic system design, analysis and test with U.S. Navy/Joint DE systems including pulsed power, RF, Laser, and CIED systems and components. The Electrical Engineer will design, develop, test, and supervise the manufacturing of electrical and electronic equipment for electronic warfare systems.
NewMechanical Engineer Bowhead / UIC Technical ServicesMechanical EngineerDahlgren, VARemoteExperience managing the development of Interface Control Documents (ICDs) for the mechanical hardware design and ensuring there is traceability to the Directed Energy Weapons (DEWS) Reference Architecture (RA). Bowhead seeks to network with a Mechanical Engineer to join our team at the Naval Surface Warfare Center in Dahlgren, VA for future or potential upcoming requirements.
NewSenior Network Engineer SONA Networks, LLCSenior Network EngineerWashington, DCContractorThe position is responsible for managing Cisco-based networking environments including Cisco Catalyst and Nexus platforms, wireless networks, ISE, and IPS, while ensuring high availability, security compliance, and continuous operations. This role supports the stability, performance, and security of enterprise and data center network infrastructure.
NewSenior Communications Security (COMSEC) Engineer LeidosSenior Communications Security (COMSEC) EngineerFort Belvoir, VA$92,300–$166,850The I3TS program provides enterprise-wide IT support to enable DTRA’s Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA’s internal and external mission partners operating in CONUS and OCONUS locations . Experience in network and network security design where under general direction, manages the design, installation and support of LAN/WAN based networks and security components such as routers, switches and firewalls, and datacenter equipment .
Hybrid Cloud Engineer ECLAROHybrid Cloud EngineerWashington DC, DCli>Cloud Operations & Reliability: Experience designing highly available systems using Azure-native tools for monitoring, backup, disaster recovery, and cost optimization. Virtualization & Core Infrastructure: Deep expertise in VMware (vSphere, ESXi, NSX, vCenter, SRM) and enterprise compute, storage, networking, and Active Directory.
NewDevSecOps Engineer CredenceDevSecOps EngineerMcLean, VAThe position focuses on enabling reliable and scalable software delivery by building and optimizing CI/CD pipelines, infrastructure automation, and deployment workflows, while improving developer experience, release velocity, application quality, and system reliability across multi-stack environments. This role supports a variety of modern applications, including backend services, frontend applications, and data pipelines, with a strong emphasis on pipeline engineering, Infrastructure as Code (Terraform), and cloud-native deployments.
NewSenior Field Engineer Sparks GroupSenior Field EngineerSterling, VAThis role is ideal for a hands-on engineer with strong PLC/HMI programming experience who enjoys field work, troubleshooting complex systems, and traveling to customer sites throughout the U.S. and occasionally internationally. Responsibilities: • Program, troubleshoot, and commission PLC- and HMI-based control systems utilizing RSLogix 500, RSLogix 5000, Studio 5000, and FactoryTalk View platforms.
NewSenior Python Full Stack Engineer Vaco LLCSenior Python Full Stack EngineerMcLean, VA$130,000–$150,000Determining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to: the individual’s skill sets, experience and training; licensure and certification requirements; office location and other geographic considerations; other business and organizational needs. Vaco by Highspring values a diverse workplace and strongly encourages women, people of color, LGBTQ+ individuals, people with disabilities, members of ethnic minorities, foreign-born residents, and veterans to apply.
NewLead, Systems Engineer - Mission Protection L3Harris TechnologiesLead, Systems Engineer - Mission ProtectionSpringfield, VAPlease click here for the E-Verify Poster in English or Spanish. The ideal candidate demonstrates strong leadership, technical depth in threat-informed engineering, and the ability to integrate Mission Protection requirements into operational planning, system architecture, and lifecycle activities.
Engineer/Vulnerability Module & Engagement Analyst Bowhead / UIC Technical ServicesEngineer/Vulnerability Module & Engagement AnalystDahlgren, VAPerform Failure Mode Effectiveness Analysis (FMEA), construct Failure Analysis Logic Trees (FALTs), and generate Target Vulnerability Characterizations (TVCs) in support of system-level survivability and lethality evaluations. Engineer/Vulnerability Module & Engagement Analyst (DETO-2026-24615): Bowhead seeks new team members in their support to the Navy’s Weapons Systems Munitions Integration and Hypersonic division.
NewComputer Security Systems Specialist By Light Professional IT ServicesComputer Security Systems SpecialistMcLean, VAWe’re looking for a Computer Security Systems Specialist to design, document, and implement cybersecurity controls for Army enterprise networks. You’ll ensure systems are engineered and configured to meet DoD, Army, and DISA security requirements, and you’ll support fielded systems through assessment, approval, and operational deployment.
NewSpecialist, Software Engineer (Embedded Software) L3Harris TechnologiesSpecialist, Software Engineer (Embedded Software)Herndon, VAWith 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. L3Harris Technologies is an agile global aerospace and defense technology innovator, delivering end-to-end solutions that meet customers’ mission-critical needs.
NewSystems Administrator/Engineer Mitchell MartinSystems Administrator/EngineerMerrifield, VA$62.34–$76.19 / hourBy applying for this job, you agree to receive AI-generated calls, text messages, and/or emails from Mitchell Martin Inc and its affiliates and contracted partners at various frequency through traditional and automated methods. Key technologies include various operating systems and cybersecurity tools.
NewIT - Systems Engineer II PlanIT GroupIT - Systems Engineer IIWashington, DCThe selected candidate needs to have the necessary skills to provide technical assistance at the customer's physical premises to install, move, troubleshoot, repair, modify, and assist with any issue that may arise with telecommunications and related equipment, wiring, circuits, connections, as well as supporting networking and telephone/data communication services. Responsibilities:Overseeing the day-to-day activities related to installation, verification and maintenance of telecommunications equipment, network ports, ethernet and optical Fiber cabling, IP networks.
NewSpecialist, Systems Engineer - Watch Officer L3Harris TechnologiesSpecialist, Systems Engineer - Watch OfficerSpringfield, VA$90,500–$168,500 / yearActively participate in daily operations stand-up meetings to provide updates on ongoing activities, highlight key operational priorities, and address any challenges or risks impacting mission success. Possess knowledge of, or experience with, space operations, including managing and monitoring satellite systems, performing telemetry analysis, and conducting mission-critical activities such as orbital adjustments, payload operations, and anomaly resolution.
NewIP Network Test Engineer By Light Professional IT ServicesIP Network Test EngineerFort Meade, MDExpertise in large-scale IP Networking & Testing with backbone routers (Juniper MX and Cisco ASR9K) running ISIS, BGP/MP-BGP (multi AS), MPLS routing protocols, switches and testing gear including traffic generators from IXIA, Spirent Test Center and Agilent N2X. These technologies include network devices (routers, switches, firewalls, and Intrusion Detection Systems (IDS), and services Authentication, Authorization and Accounting (AAA), Access Control List (ACL), secure remote access (i.e Secure shell, Secure VPN, IPSec), and IPv6 capable devices.
NewSenior Network Engineer CCNP System OneSenior Network Engineer CCNPAlexandria, VA$180,000–$210,000 / hourProvide executive-level government agency support related to designing, deploying, and ensuring efficient and optimal operation of business-critical enterprise and network environments. Translate stakeholder and Government requirements into network solutions, modifications, and support upgrades (network reconfiguration, hardware and software acquisitions, installation, and testing).
NewNetwork Storage Engineer System OneNetwork Storage EngineerWashington, DC$64–$64 / hourMaintain reliable, secure, and high-performing SAN network operations across enterprise data center services and storage-dependent platforms. Provide senior-level administration and engineering support for SAN fabric infrastructure and core network connectivity supporting the SEC ISS environment.
AWS Cloud Network Engineer System OneAWS Cloud Network EngineerMcLean, VARemoteResponsibilitiesDesign, implement, and manage secure, scalable network infrastructure across on-premises and AWS cloud environments, applying cloud networking best practices to support connectivity, interoperability, and operational performance. Knowledge of cloud networking and routing including VPCs, subnetting, security groups, route tables, peering connections, Direct Connect, IPv4, IPv6, VPN, firewalls, Route 53, MTIPS, and IPsec.
NewPAM Engineer Mitchell MartinPAM Engineervienna, VA$63.70–$91 / hourThe role involves managing and operating Privileged Access Management technologies, leading security projects, and integrating solutions with various services. Privileged Access Management | Security Access Systems | Operating Systems | Identity and Access Management | Automated Solutions.
Engineer- Junior Bowhead / UIC Technical ServicesEngineer- JuniorDahlgren, VAThis contract will provide configuration management (CM), logistics, mechanical and electrical engineering technician services, field service support, project management, drafting and design, technical writing, and acquisition services to the Naval Surface Warfare Center, Dahlgren Division (NSWCDD), Unmanned & Expeditionary Weapon Systems (H40) Division and Intelligent Automation (H60) Division. Applying engineering principles and techniques in the development of quality assurance evaluations and tests on weapons systems and related component systems.
Systems Engineer (MBSE) Bowhead / UIC Technical ServicesSystems Engineer (MBSE)Dahlgren, VASYSTEMS ENGINEER (MBSE) (E30-2026-24878): Bowhead seeks a DoD SECRET cleared Systems Engineer with Model-Based Systems Engineering experience to join our team supporting the Naval Surface Warfare Center Dahlgren Division (NSWCDD) on the MK 160 Gun Computer System and Naval Fires Control Systems. Job duties include but are not limited to: Provide input/support in the requirements validation, operational conceptualization, and developmental testing.
Engineer Bowhead / UIC Technical ServicesEngineerDahlgren, VAThis contract will provide configuration management (CM), logistics, mechanical and electrical engineering technician services, field service support, project management, drafting and design, technical writing, and acquisition services to the Naval Surface Warfare Center, Dahlgren Division (NSWCDD), Unmanned & Expeditionary Weapon Systems (H40) Division and Intelligent Automation (H60) Division. Three (3) years professional technical experience which includes one (1) year specialized experience performing mechanical, electrical, industrial, systems, or computer engineering.
Systems Engineer Bowhead / UIC Technical ServicesSystems EngineerDahlgren, VABowhead seeks a Systems Engineer, with System Safety experience, to join our team supporting Naval Surface Warfare Center Dahlgren Division (NSWCDD), their tenant organizations and customers. Intermediate to advanced level skills in Microsoft Office software suite – TEAMS, Word, Excel, Outlook, PowerPoint.
NewNetwork Development Engineer LeidosNetwork Development EngineerArlington, VA$59,150–$106,925Bachelor’s degree in engineering or related field with 2+ years of prior relevant experience or a master’s degree with at least a year experience in one of these areas: computer engineering, software engineering, test engineering or related field. A Network Development Engineer (NDE) designs, builds, and automates large-scale data networks, focusing on scalability, reliability, and performance.
NewSite Reliability Engineer - CTJ - POLY MicrosoftSite Reliability Engineer - CTJ - POLYReston, VA$119,800–$234,700 / yearMasters Degree in Computer Science, Information Technology, or related field AND 2+ years technical experience in software engineering, network engineering, or systems administration OR Bachelors Degree in Computer Science, Information Technology, or related field AND 4+ years technical experience in software engineering, network engineering, or systems administration OR equivalent experience. Our team works across all facets of isolated system engineering and is deeply involved in defining and improving service health through SLIs/SLOs and error budgets, building automation to reduce toil, strengthening observability (logs, metrics, traces), reducing systemic latency, validating and transforming data, and optimizing throughput and capacity.
Manufacturing Engineer II (VA) GCR Professional ServicesManufacturing Engineer II (VA)Chantilly, VirginiaContractorYou will collaborate with cross-functional teams, including design engineers, production personnel, and quality assurance, to optimize manufacturing operations and drive continuous improvement initiatives. As a Manufacturing Engineer, your primary responsibility will be to develop and improve manufacturing processes and systems to ensure the efficient and cost-effective production of defense and aerospace products.
Senior Network Engineer (CCIE) – Wireless SME System OneSenior Network Engineer (CCIE) – Wireless SMEAlexandria, VA$170,000–$240,000 / yearThe Senior Network Engineer, Wireless SME provides expert-level engineering, architecture, and operational support across enterprise and tactical networks, with specialized responsibility for secure, enterprise-grade wireless infrastructure. Deep expertise with enterprise wireless networking, RF design, wireless LAN controllers, access point deployments, and Wi-Fi troubleshooting.