UNKNOWN

ADAPTED_NOW

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. Experience in design or development of precision mechanisms, mechatronic systems, and/or packaging of modules and electronics with considerations of thermal and structural loading and for optimizations of size, weight, and power.

L3Harris Technologies

Senior Specialist, Mechanical Engineer (Mechanisms)

TMP PX

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. The salary range for this role in Colorado state, Hawaii, Illinois, Maryland, Minnesota, New York state, Cleveland Ohio, and Vermont is $76,500 MIN - $142,500 MAX.

Specialist, Mechanical Engineer (Mechanisms)

YEAR

The Senior Network Engineer (CCIE) leads hands-on assessment, troubleshooting, remediation, and validation of enterprise network services supporting video and other time-sensitive applications. • Assess network architecture, device configurations, routing domains, VLANs, dependencies, and operational constraints; compare documented designs with observed behavior.

Every day, System One focuses on services and solutions that require a high degree of specialization, in-demand technical skills, and large-scale operational expertise. We are essential partners to those on the front lines of our nation’s most critical infrastructure, technology, and life sciences initiatives. 
Founded more than 40 years ago as a staffing partner to the engineering industry, today System One is a diversified organization operating in over 50 locations and putting more than 9,000 people to work in the United States, Canada, and the United Kingdom.

System One

Senior Network Engineer (CCIE, Secret Clearance required)

Lead or support complex test operations by coordinating with flight operations, ground support crews, air traffic control, range personnel, and other external stakeholders as required to maintain safe execution, strong team communication, and day-to-day technical alignment. L3Harris Agile Development Group (ADG) is seeking a Flight Test Engineer to join the Flight Test and Evaluation team in support of developmental and operational test activities for unmanned aircraft and missile systems.

Lead Flight Test Engineer

Experience developing, maintaining, or troubleshooting CI/CD pipelines using GitLab CI/CD, Jenkins, GitHub Actions, AWS CodePipeline, or similar platforms. Ability to troubleshoot complex technical issues across infrastructure, deployments, networking, permissions, and containerized workloads.

Credence

Cloud Platform Engineer

Credence Mgmt Solutions

Credence has an immediate need for a Lead Cybersecurity Engineer - Innovation & Automation to serve as the technical lead for cybersecurity engineering, cybersecurity tools, and emerging technologies. Develop and maintain enterprise cybersecurity reporting solutions, including Power BI dashboards, Splunk dashboards, Microsoft Sentinel workbooks, cybersecurity metrics, and executive reporting capabilities.

Lead Cybersecurity Engineer - Innovation & Automation

Bowhead considers factors such as (but not limited to) scope and responsibilities of the position, candidate’s work experience, education/training, key skills, internal peer equity, as well as, market and business considerations when extending an offer. • Ability to analyze technical information, assess system performance, postulate innovate threat mitigation methods, and support risk-based engineering assessments.

UIC Government Services (UICGS) and its Bowhead family of companies are a division of Ukpeaġvik Iñupiat Corporation (UIC), an Alaskan Native Corporation (ANC). UIC is one of the largest ANC’s in Alaska, and combined with UICGS/Bowhead, we offer a wide variety of services to defense and civilian government agencies that reach across multiple disciplines, the U.S., and the world. With our excellent management team and great range of services in the areas of Information Technology, Logistics & Marine, Manufacturing & Products, Program Management and Operations, and Systems & Technology, we perform over 250 contracts worldwide with innovative business solutions in areas such as engineering, maintenance services, manufacturing, information technology, program support, logistics/base support, and procurement. Collectively, our 3,500+ employees of the Bowhead family of companies, UIC, UIC Government Services, UIC Government Construction, and UIC Commercial remain committed to delivering quality results to ensure our customers’ success. Headquartered in Virginia, we are a fast-growing, multi-million-dollar corporation consistently recognized as one of the top 25 8(a) certified small business companies for government contracting.

Bowhead

System Engineer, Mid

Bowhead / UIC Technical Services Jobs

You will collaborate with cross-functional engineering, data, cloud, and stakeholder teams to deliver scalable, secure, and mission-focused AI capabilities for federal clients, while helping guide technical direction, strengthen engineering practices, and mentor other engineers. Experience designing or implementing agentic AI solutions using frameworks or platforms such as Agent2Agent Protocol, Bedrock Agents, Mastra, CrewAI, Strands, AgentCore, LangChain, or LangGraph.

Senior AI Software Engineer

Architect and deliver end‑to‑end AI/ML solutions on Google Cloud using Vertex AI (Workbench, Pipelines, Training, Model Registry, Online/Batch Prediction, Feature Store, Model Monitoring) and Gemini/LLM services—optimized for performance, cost, and maintainability. Proven experience architecting robust data ingestion, processing, and transformation workflows using Dataflow, Data Fusion, Dataproc, BigQuery, and Looker and integrating these platforms with Vertex AI for model training, deployment, and inference.

Senior Google AI Engineer

SYSTEMS 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. Bowhead considers factors such as (but not limited to) scope and responsibilities of the position, candidate’s work experience, education/training, key skills, internal peer equity, as well as, market and business considerations when extending an offer.

Systems Engineer (MBSE)

Job duties to include but are not limited to: Serves as onsite technical support to the Government Technical Lead, working independently to execute a broad range of operational, mechanical, and system‑level tasks to ensure seamless project execution enabling real‑time collaboration, rapid issue resolution, and direct physical support across all technical activities. This hands-on, fully on-site role requires a flexible professional capable of providing comprehensive technical, operational, and logistical support directly on-location to ensure project milestones are met efficiently.

Integrated Engagement Systems Field Engineer

This role focuses on application development, software architecture, cloud-native technologies, AI-enabled automation, systems integration, and advanced analytical capabilities that improve mission readiness, logistics, sustainment, and supply chain operations. The successful candidate will build scalable software applications, APIs, enterprise services, automation tools, and AI-enabled capabilities that transform complex operational and logistics information into mission-focused software solutions.

Senior Software Engineer

HOUR

Experience with enterprise routing/switching and protocols/services such as BGP, OSPF/OSPFv3, EIGRP, IS-IS, IPv4/IPv6, DNS, DHCP/DHCPv6, ICMP/ICMPv6, TCP/IP, and SNMP, as applicable. A bachelor's degree in Computer Science, Information Technology, Electrical Engineering, Telecommunications, Network Engineering, Cybersecurity, or a related technical discipline is preferred.

Network Engineer V (IPv6 SME)

Monitoring, Observability & Incident Response: Implement monitoring, logging, tracing, dashboards, and alerting across cloud infrastructure, Kubernetes, applications, and platform services using technologies such as AWS CloudWatch, Security Hub, GuardDuty, Splunk/ELK, Prometheus, Grafana, OpenTelemetry, or comparable solutions. Collaboration & Knowledge Sharing: Work closely with software engineers, AI engineers, cybersecurity teams, cloud engineers, architects, and mission stakeholders to integrate security, automation, and platform capabilities throughout the software development lifecycle.

AI Platform & DevSecOps Engineer

Technical Leadership & Team Management: Lead, mentor, and manage a team of approximately five DevSecOps engineers, providing technical direction, prioritizing work, conducting code and architecture reviews, and fostering a collaborative, high-performing "one team" culture while remaining an active hands-on contributor. Hands-On Engineering: Serve as the technical lead for complex infrastructure, automation, and deployment efforts by designing solutions, troubleshooting production issues, developing infrastructure and pipeline code, and supporting implementation across the DevSecOps toolchain.

Senior DevSecOps Engineer

Provide web development, security administration, and IT services to implement JDS activities associated with analytic support to future force planning and capabilities. A minimum one (1) year of demonstrated ability leading the management of DoD systems, networks, and IT infrastructure configuration.

Hardware Engineer III

FEED

We’re looking for a new teammate who is enthusiastic, empathetic, curious, motivated, reliable, and able to work effectively with a diverse team of peers; someone who will help us amplify the positive & inclusive team culture we’ve been building. The CloudTrail team builds and manages one of the largest audit logging systems in the world, providing our users visibility into user activity and resources changes in AWS.

Amazon Development Center U.S., Inc.

Sr. Software Dev Engineer, CloudTrail

Appcast Exclusive 1

Strong experience configuring, administering, and troubleshooting DevSecOps tools, including CloudBees Jenkins, GitHub Enterprise, SonarQube, JFrog Artifactory, and security scanning solutions. Execute the Cloud-to-AGC (C2AGC) pre-migration checklist, evaluating site prerequisites, organizational readiness, administrative access, and AGC-specific architectural requirements.

Cloud DevOps Engineer

Utilize RF spectrum engineering tools and databases , including the Technical Compatibility and Analysis Tool (TCAT) and Government Master File (GMF), to perform circle searches, transmitter/receiver analyses, Desired-to-Undesired (D/U) signal ratio calculations, and other RF compatibility assessments. • Conduct RF spectrum compatibility and interference analyses of C-UAS detection and mitigation systems, including frequency deconfliction, RF propagation, and geospatial analysis, to identify potential impacts to FAA and National Airspace System (NAS) communications, navigation, surveillance, and other safety-critical systems.

Everything we do is built on our commitment to do the right thing for our customers, our employees, and our communities. Learn more about the values and culture that are the foundations of our business.

Leidos

Junior Radio Frequency (RF) Engineer/Spectrum Engineer

Responsible for the deployment, maintenance, and configuration of UAM software solutions to detect and mitigate insider threats, ensuring system functionality, coverage, and user training across enterprise environments. Provide guidance on upgrades and system recapitalization, perform availability/capacity management and support all networking requirements and ensure full availability of all network switches and routers.

Security Engineer Jobs in Manassas, VA

Senior Specialist, Mechanical Engineer (Mechanisms) L3Harris Technologies

Specialist, Mechanical Engineer (Mechanisms) L3Harris Technologies

Senior Network Engineer (CCIE, Secret Clearance required) System One

Lead Flight Test Engineer L3Harris Technologies

Cloud Platform Engineer Credence

Lead Cybersecurity Engineer - Innovation & Automation Credence

System Engineer, Mid Bowhead

Senior AI Software Engineer Credence

Senior Google AI Engineer Credence

Systems Engineer (MBSE) Bowhead

Integrated Engagement Systems Field Engineer Bowhead

Senior Software Engineer Credence

Network Engineer V (IPv6 SME) System One

AI Platform & DevSecOps Engineer Credence

Senior DevSecOps Engineer Credence

Hardware Engineer III System One

Sr. Software Dev Engineer, CloudTrail Amazon Development Center U.S., Inc.

Cloud DevOps Engineer System One

Junior Radio Frequency (RF) Engineer/Spectrum Engineer Leidos

UAM Everfox Tool Engineer - Senior Level System One

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