3,049 Results for

Security Engineer Jobs in Fort Belvoir, VA

Jobs

Washington DC, DC22 days ago

Remote

$157,675–$265,000 Per Year

We’re seeking a talented Senior Security Engineer with hands-on experience deploying, managing, leading and performing Threat Models In this role, you’ll work alongside technical product managers and engineers across the company to maintain Samsara’s security and de-risk software security concerns to better protect our customers. Working at Samsara means you’ll help define the future of physical operations and be on a team that’s shaping an exciting array of product solutions, including Video-Based Safety, Vehicle Telematics, Apps and Driver Workflows, and Equipment Monitoring.

Washington, DC7 days ago

$75–$80 Per Hour
Full-time
Employee

The Washington Metropolitan Area Transit Authority (WMATA) is seeking resources to build, test, support, and deploy Palo Alto firewalls to support the WMATA partners' Router replacement project. Or minimum of 8 years of demonstratable experience in Palo Alto security solutions or equivalent work experience demonstrating expertise in Palo Alto Firewall configurations and device management.

New!

McLean, VA5 days ago

$70.47–$86.85 Per Hour
Temporary
Contractor
Full-time

Ranked a Top Staffing Firm in the U.S. by Staffing Industry Analysts for six consecutive years, Genesis10 puts thousands of consultants and employees to work across the United States every year in contract, contract-for-hire, and permanent placement roles. With more than 300 active clients, Genesis10 provides access to many of the Fortune 100 firms and a variety of mid-market organizations across the full spectrum of industry verticals.

Washington DC, DC22 days ago

Remote

As a Staff Engineer, you will operate as a technical leader and force multiplier: driving architecture, influencing engineering direction across teams, and building highly reliable, secure platforms that scale with Samsara’s global footprint supporting millions of connected devices. • You believe customers are more than a number: Samsara engineers enjoy a rare closeness to the end user and you will have the opportunity to participate in customer interviews, collaborate with customer success and product managers, and use metrics to ensure our work is translating into better customer outcomes.

Falls Church, VA7 days ago

Securing 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.

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Manassas, VA1 day ago

$95,000–$115,000 Per Year

Information 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. We are seeking a proactive Junior Systems/Software Integration Engineer to assist with the deployment, configuration, and validation of complex software solutions across multiple computing environments.

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Manassas, VA1 day ago

$95,000–$115,000 Per Year

Information 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.

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Manassas, VA1 day ago

$80,000–$100,000 Per Year

Information 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.

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Chantilly, VA1 day ago

Experience with any of the following tools: Grafana, Prometheus, influxdb, Postgres, CDK (Cloud Development Kit), Cloud formation, Ansible, GIT (Global Information Tracker), Active Directory, Networking, GRE (Global Accelerator Resolvers & Endpoints), EKS (Elastic Kubernetes Service), RDS (Relational Database Service), Lambda, IAM (Identity and Access Management). Tool familiarity: Grafana, Prometheus, influx DB, Postgres, CDK (Cloud Development Kit), Cloud formation, Ansible, GIT (Global Information Tracker), Active Directory, Networking, GRE (Global Accelerator Resolvers & Endpoints), EKS (Elastic Kubernetes Service), RDS (Relational Database Service), Lambda, IAM (Identity and Access Management).

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Arlington, VAToday

$110,000–$165,000 Per Year

With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. Our teams partner closely with customers to deliver innovative solutions across cloud strategy, cybersecurity, systems integration, data engineering, machine learning, AI, disaster recovery, and enterprise infrastructure initiatives.

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Manassas, VA2 days ago

We support all AWS data centers and all the servers, storage, networking, power, and cooling equipment that ensure our customers have continual access to the innovation they rely on. You’ll join a diverse team of software, hardware, and network engineers, supply chain specialists, security experts, operations managers, and other vital roles.

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Herndon, VA2 days ago

We pioneered cloud computing and never stopped innovating — that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses. - Travel to sites for site review and work with onsite field engineers, as well as provide engineering evaluations, electrical systems audits, and startup as needed.

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Herndon, VA2 days ago

As an Amazon Fleet Remediation Project Design Mechanical Engineer, you will lead design projects in operational data centers, that remediate issues, upgrade our existing infrastructure or add new services. As a Fleet Remediation Project Design Mechanical Engineer, you will be leading projects to fit out our data centers to meet ever-evolving customer needs as we continue expanding our fleet to hyper-scale.

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Manassas, VA1 day ago

$85,000–$95,000 Per Year

Information 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. We are a leading provider of information technology, logistics management, business process re-engineering, financial management, and administrative support services for the Department of the Navy and Homeland Security.

Dahlgren, VA8 days ago

This role requires a strong understanding of virtualization technologies, scripting languages, operating systems, and complex system architectures. The engineer will troubleshoot issues, document procedures, and collaborate with other team members to ensure the stability, security, and performance of the CIAT infrastructure.

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Arlington, VAToday

$150,000–$200,000 Per Year

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Herndon, VA2 days ago

This team of veteran professional Electrical Engineers, Mechanical Engineers, Controls Engineers, Project Managers, and Operators is uniquely positioned to provide detailed engineering and operational review and testing of equipment designs, operational functionality and construction practices. This includes, but not limited to, review of design documents and equipment submittals, leading Factory Witness Testing (FWT), and managing third-party commissioning vendors in the performance of onsite pre-functional, functional, and integrated systems testing.

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Herndon, VA1 day ago

The successful ACE will engage with customer, engineering, operations, and management personnel to define and document the customer’s mission needs, CONOPS and requirements; perform trade studies; engage L3Harris Subject Matter Experts (SMEs) to architect an affordable solution carrying acceptable risk; and provide technical leadership to capture and proposal efforts. The role requires demonstrated leadership across multiple disciplines, with significant expertise in model-based design and operations for large scale networks integrating multiple technologies (terrestrial, radio, satellite) and system life-cycle sustainment.

Dahlgren, VA8 days ago

Remote

We 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.

Dahlgren, VA8 days ago

Remote

Experience 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). Experience Overall management and oversight of the work and products ensuring the mechanical development meets schedule and sufficient quality to pass performance requirements.

New!

Dahlgren, VA1 day ago

Remote

A 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.

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Washington, DC2 days ago

Strong understanding of security concepts and technologies related to Identity and Access Management (IAM), security engineering, network security design, security operations, security architecture, general engineering processes, cloud security, data loss protection, zero trust, DevSecOps and vulnerability management. • Proven ability to provide technical security consultation and advisory services with a proactive approach to identifying potential issues, raising questions, and engaging in open dialogue with team members and stakeholders to ensure security objectives are met.

Dahlgren, VA8 days ago

Perform 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.

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Fredericksburg, VA2 days ago

AWS Data centers have multiple components such as generators, uninterruptible power sources, diesel generators, electrical switchgear, power distribution units, variable frequency drives, automatic/static transfer switches, chillers [air-cooled and water-cooled], pumps, cooling towers, heat exchangers, CRAHs, air economizers, etc. • Frequently visit (locally) assigned in-operation data centers to troubleshoot, meet customers, supervise vendor’s work to ensure compliance with the scope, design, SOO and applicable local codes.

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Fredericksburg, VA2 days ago

AWS Data centers have multiple components such as generators, uninterruptable power sources, diesel generators, electrical switchgear, power distribution units, variable frequency drives, automatic/static transfer switches, chillers [air-cooled and water-cooled], pumps, cooling towers, heat exchangers, CRAHs, air economizers, etc. • Frequently visit (locally) assigned in-operation data centers to troubleshoot, meet customers, supervise vendor’s work to ensure compliance with the scope, design, SOO and applicable local codes.

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Herndon, VA2 days ago

The AWS AMER Cost Control team is seeking a passionate and motivated construction cost engineer to support a portfolio of Data Center Construction projects in North and South America. We pioneered cloud computing and never stopped innovating — that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses.

New!

Alexandria, VA2 days ago

AWS Data Centers have multiple components such as generators, uninterruptable power sources, diesel generators, electrical switchgear, power distribution units, variable frequency drives, automatic/static transfer switches, chillers [air-cooled and water-cooled], pumps, cooling towers, heat exchangers, CRAHs, air economizers, etc. - Frequently visit (locally) assigned in-operation data centers to troubleshoot, meet customers, supervise vendor’s work to ensure compliance with the scope, design, SOO and applicable local codes.

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Manassas, VA6 days ago

$57.69–$67.30 Per Hour

By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from HEPCO, Inc and its affiliates, and contracted partners. This role is responsible for ensuring reliable, secure, and compliant system performance while supporting real-time operations and infrastructure.

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Chantilly, VA1 day ago

The ideal candidate will have experience with systems modeling in tools like Cameo, microservice architecture and its application in software systems, and the ability to work collaboratively with cross-functional teams to deliver scalable and secure cloud solutions. Graduate Degree and a minimum of 4 years of prior related experience in Computer Science, Information Technology, Systems Engineering, Software Engineering or a related field.

Merrifield, VA11 days ago

Remote

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Implement security controls across networking devices, databases, operating systems, hardware, and software components.

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Springfield, VA1 day ago

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. The selected candidate will apply operational security (OPSEC), counterintelligence, cyber defense, and threat analysis principles to protect critical systems and ensure the survivability and resilience of U.S. assets in contested and degraded environments.

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Vienna, VA1 day ago

$120,000–$155,000 Per Year

8-10+ years of experience in design and specification of lighting systems, power systems, fire alarm systems, telecom/data systems, medium voltage power systems, UPS systems, emergency generator systems, grounding systems, and utility systems. Information 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.

New!

Herndon, VA1 day ago

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. L3Harris Technologies is an agile global aerospace and defense technology innovator, delivering end-to-end solutions that meet customers’ mission-critical needs.

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Washington, DC5 days ago

$31.44–$44.36 Per Hour

This role is responsible for ensuring the performance, availability, and security of storage infrastructure, while also supporting IPv6 configuration and troubleshooting across storage platforms. Candidate Privacy To read our Candidate Privacy Information Statement, which explains how we will use your information, please navigate to https://peaktechnical.com/privacy-policy/and https://peaktechnical.com/ca-residents-privacy-rights/

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Herndon, VA1 day ago

$92,500–$171,500 Per Year

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 candidate will need to work independently to resolve a wide range of engineering problems, requiring collaboration with all required disciplines (mechanical, optical, electrical, software, etc.).

New!

Herndon, VA1 day ago

$135,000–$250,500 Per Year

In addition to technical contributions, this position supports the day‑to‑day activities of the Software Engineering Group by providing technical guidance, assigning tasks, participating in complex engineering efforts, reviewing and approving formal documentation, and estimating labor, tools, and other resources to meet budget and schedule commitments. Ability to independently contribute to software requirements development, software testing and integration, and the creation of both application‑level and embedded C/C++ code on Windows-based and Linux‑based systems, including GUI and system‑control development.

Ashburn, VA8 days ago

$70,000–$90,000 Per Year

PlatformDIGITAL®, the company’s global data center platform, provides customers with a secure data meeting place and a proven Pervasive Datacenter Architecture (PDx®) solution methodology for powering innovation and efficiently managing Data Gravity challenges. This role sits primarily at Level 2 (L2) support and works closely with Level 1 and Level 3 teams to ensure reliable, secure, and efficient IT services for end users and data center operations.

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Fairfax, VA6 days ago

Requirements Possession of an associate's degree in computer science, electrical engineering, electronics, or a related field; plus four years' network and/or telecommunications experience; or a bachelor's degree in such fields; plus two years' experience in network or telecommunications system design, analysis, installation, and troubleshooting. Diagnose and resolve complex network issues related to routers, switches, firewalls, load balancers, WAN accelerators, wireless devices, and other network devices.

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Springfield, VA1 day ago

The successful candidate will support a high performing team of Government and Contractor professionals by testing software releases to ensure they function correctly, documenting failed test cases, and documenting any changes or updates needed to existing procedures. 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.

Alexandria, VA8 days ago

$160,000–$175,000 Per Year

We are seeking a Senior Telecommunications Design Engineer to support a secure federal communications environment responsible for maintaining and modernizing mission critical telecommunications and data center infrastructure. The engineer will develop engineering documentation and infrastructure designs supporting secure voice, data, and communications systems within a high availability environment.

Laurel, MD11 days ago

$100,000–$245,000

Our dedicated team of engineers and analysts apply multidisciplinary fields such as sensor and data fusion, signal and image processing, operations research, applied physics, and artificial intelligence to build systems that automatically or autonomously orchestrate sensors, process data into information, and make intelligent inferences and predictions about complex threats and environments. As a Modeling and Simulation Engineer / Analyst for ISRT and BMC2 Applications: Your primary responsibility will be to contribute to teams developing mathematical / physics-based models, simulations, analytical methods and tools using Python, MATLAB, government software like AFSIM and other internal M&S tool-sets.

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Laurel, MD4 days ago

$100,000–$245,000

Experience with (1) Static Analysis tools such as Coverity and Klockwork, (2) Dynamic Analysis tools such as Valgrind, libFuzzer, and Java Pathfinder, (3) Symbolic Execution Engines such as KLEE and angr, (4) Model Checkers such as TLA+ and SPIN, (5) SMT Solvers such as Z3, CVC5 and MathSAT (6) other Automated Theorem Provers such as ACL-2 and GnatProve, (7) Interactive Theorem Provers such as Lean and Rocq, and any other formal methods tools. Experience with formal methods tools and techniques, such as language safety properties, symbolic execution, abstract interpretation, model checking, automated and interactive theorem proving, programming language analysis and design, type theory, static source code analysis, and formal logic.

Laurel, MD11 days ago

$85,000–$195,000

You will work in a teamed environment to analyze live tactical sensor data; identify and solve problems that impact mission requirements; compare to physics-based simulations that provide unprecedented realism and new levels of understanding of system performance in operationally realistic environments in the presence of the world's most challenging threats. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.

vienna, VA10 days ago

$63.70–$91 Per Hour

The 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.

New!

McLean, VA3 days ago

The 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. We have an immediate need for a mid-level DevSecOps Engineer to support the development, enhancement, and operation of scalable, application-focused CI/CD pipelines and automation frameworks for build, test, and deployment workflows in AWS GovCloud.

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Chantilly, VA1 day ago

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. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

New!

Chantilly, VA1 day ago

$161,500–$300,500 Per Year

Enterprise Integration: Engineer and integrate cutting-edge capabilities, seamlessly merging legacy and emerging technologies to deliver robust mission solutions across complex government and DoD environments. 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.

Laurel, MD11 days ago

$100,000–$245,000

Our engineers and analysts apply a wide-range of disciplines such as sensor and data fusion, signal and image processing, operations research, applied physics, and artificial intelligence to build systems that automatically or autonomously orchestrate sensors, process data into information, and make intelligent inferences and predictions about complex threats and environments. Have domain knowledge in ISR processes, systems, platforms, and sensors used by the US military and intelligence community; Navy and Air Force kill chain concepts; targeting, C2, and mission planning processes and tools; threat systems, weapon platforms and systems, and communications networks.

Alexandria, VA11 days ago

$190,000–$210,000 Per Year

Engineers must be comfortable supporting sensitive operations, responding quickly to issues, and working closely with multidisciplinary teams responsible for mission-critical communications. It supports high-visibility operational and cybersecurity missions by ensuring reliable data onboarding, scalable ingestion pipelines, and actionable analytics through dashboards and alerts.

Alexandria, VA10 days ago

$150,000–$170,000 Per Year

This role typically supports sensitive government operations requiring strict adherence to security protocols, rapid problem-solving, and the ability to maintain secure communications under demanding conditions. A Senior CSfC Cybersecurity Engineer focuses on creating, deploying, and maintaining NSA-compliant secure communication solutions using layered commercial products.

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Security Engineer Jobs in Fort Belvoir, VA

Jobs

Senior Security Engineer - Threat ModelingSamsara

Network Security EngineerCSZNet, Inc.

Lead Information Security EngineerGenesis10

Staff Software Engineer - Security & PrivacySamsara

IT- Cyber Security Architect/ Engineer IIIPlanIT Group

Software/Systems Integration Engineer (Secret Clearance Required)Jobot

Software/Systems Integration Engineer (RHEL/Clearance)Jobot

Junior Linux Systems Engineer (RHEL/Clearance)Jobot

Specialist, Software Engineering (Service Reliability Engineer)L3Harris Technologies

System Integration & Test EngineerJobot

Non-Destructive Testing EngineerAmazon Data Services, Inc.

Electrical Design Engineer, HV/MV EngineeringAmazon Data Services, Inc.

Project Design Mechanical Engineer, Fleet Remediation EngineeringAmazon Data Services, Inc.

Test Engineer (AN/BYG-1)Jobot

Network Infrastructure EngineerBowhead / UIC Technical Services

System Resiliency & System Safety EngineerJobot

Commissioning Engineer, Commissioning EngineeringAmazon Data Services, Inc.

Senior Scientist, Systems Engineer (Melbourne, FL & Herndon, VA)L3Harris Technologies

Electrical EngineerBowhead / UIC Technical Services

Mechanical EngineerBowhead / UIC Technical Services

Sr. Electrical EngineerBowhead / UIC Technical Services

Senior Cloud Security Specialist (API) - onsiteSystem One

Engineer/Vulnerability Module & Engagement AnalystBowhead / UIC Technical Services

Data Center Controls Engineer, DeploymentAmazon Data Services, Inc.

Data Center Controls Engineer, ServiceAmazon Data Services, Inc.

Construction Cost Engineer, AMER Cost ControlAmazon Data Services, Inc.

Data Center Controls EngineerAmazon Data Services, Inc.

SCADA Engineer (On-site)HEPCO, Inc.

Specialist, Systems EngineerL3Harris Technologies

Strata EngineerSystem One

Lead, Systems Engineer - Mission ProtectionL3Harris Technologies

Electrical Engineer - (MEP / Design-Build Consulting Engineers)Jobot

Specialist, Software Engineer (Embedded Software)L3Harris Technologies

Storage EngineerPEAK Technical Staffing

Specialist, EO/IR Systems Engineer (Top Secret Clearance)L3Harris Technologies

Lead Software EngineerL3Harris Technologies

Engineer IT-SupportDigital Realty Trust

NOC Network EngineerSystem One

Senior Specialist, Systems Engineer - User Acceptance TesterL3Harris Technologies

Telecommunications Design EngineerSystem One

Modeling & Simulation Engineer / Analyst for ISRT & BMC2 ApplicationsJohns Hopkins Applied Physics Laboratory (APL)

Formal Verification and Software Assurance EngineerJohns Hopkins Applied Physics Laboratory (APL)

Radar Systems EngineerJohns Hopkins Applied Physics Laboratory (APL)

PAM EngineerMitchell Martin

DevSecOps EngineerCredence

Specialist, Integration & Test EngineerL3Harris Technologies

Scientist, Software EngineerL3Harris Technologies

Senior Engineer / Analyst for ISRT & BMC2 ApplicationsJohns Hopkins Applied Physics Laboratory (APL)

Data Engineer (Splunk)System One

Senior Cybersecurity Engineer (CSfC Specialist)System One

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