7,714 Results for

Security Engineer Jobs in Manassas, VA

Jobs

New!

Springfield, VA1 day ago

$135,000–$135,000 Per Hour

The 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.

New!

Falls Church, VA2 days ago

Experience: 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.

Alexandria, VA11 days ago

$230,000–$270,000 Per Year

The 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.

New!

Washington, DC4 days ago

$50.88–$50.88 Per Hour

Lead enterprise anti-virus operations supporting SEC workstations and servers across the agency environment, including centralized policy administration, secure deployment, configuration, signature/DAT and engine updates, and scheduled scanning. Serve as escalation point for complex malware and endpoint security incidents, driving rapid restoration and durable corrective actions.

Manassas, VA8 days ago

$90,000–$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.

New!

Manassas, VA2 days ago

$120,000–$150,000 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. Our team specializes in securing critical systems through authorization management, risk mitigation strategies, vulnerability assessment processes, and cybersecurity engineering practices designed to support evolving compliance and operational requirements.

Gaithersburg, MD10 days ago

$140,000–$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.

Arlington, VA10 days ago

$110,000–$165,000 Per Year

Manassas, VA8 days 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.

New!

Falls Church, VA2 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.

Washington, DC10 days ago

$140,000–$190,000 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. This role serves as a trusted advisor to clients, leading technology consulting efforts while supporting business development, proposal preparation, project execution, and team mentorship.

New!

Culpeper, VAToday

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. - Bachelor’s degree in Mechanical Engineering, Electrical Engineering, or an equivalent engineering science plus 5+ years of relevant controls experience, OR 10+ years of relevant controls experience in lieu of a degree.

MONTGOMRY VLG, MD10 days ago

$165,000–$185,000 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. This role is ideal for a seasoned engineer who enjoys solving complex technical challenges, contributing to system architecture, and partnering closely with Systems Engineering, Development, and Test teams to deliver robust, scalable solutions.

Gaithersburg, MD10 days ago

$120,000–$140,000 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. 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.

West McLean, VA10 days ago

$120,000–$160,000 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. This role will focus on building automation solutions within Windows 11 environments to improve operational efficiency, strengthen security posture, and enhance the overall end-user experience.

New!

Manassas, VA3 days 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.

New!

Manassas, VAToday

$80,000–$100,000 Per Year

New!

Herndon, VAToday

Our Controls Design Engineers: • Are controls subject matter experts (SMEs) with their knowledge of building operations, electrical generation and distribution equipment (i.e. generators, UPS etc.), mechanical plant and strategies (i.e. AHUs, chillers etc.), BMS/EPMS programming concepts, control diagrams, industrial HVAC, electrical line-ups, one-line diagrams, and complex environmental and electrical concepts. The ideal candidate brings a comprehensive knowledge in data center environmental controls systems, IT infrastructure, networking, mechanical facility operations, electrical power monitoring, and project management, combined with strong leadership and collaboration skills.

New!

Dahlgren, VA5 days ago

The 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.

Dahlgren, VA18 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.

New!

Prince William County, VAToday

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.

New!

Herndon, VAToday

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.

Dahlgren, VA18 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, VA23 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). 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.

Dahlgren, VA8 days 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.

New!

Reston, VA2 days ago

Collaborate 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.

Reston, VA30+ days ago

Full-time
Employee

Provide 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.

New!

McLean, VA5 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. 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.

Washington DC, DC11 days ago

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.

Dahlgren, VA18 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.

Dahlgren, VA8 days ago

The successful candidate shall have experience with guidance algorithms (proportional navigation, pursuit guidance, optimal guidance, intercept geometry), navigation & estimation, Kalman filtering (EKF/UKF), inertial navigation, GPS/INS integration, sensor fusion, control engineering, PID, LQR, state space control, autopilot design, stability & robustness analysis, M&S (Modeling & Simulation), MATLAB/Simulink, Python (NumPy/SciPy), C/C++ for embedded or real time simulation, and familiarity with 6 DOF modeling.• • Bachelor’s degree in Aerospace Engineering, Mechanical Engineering, Electrical Engineering, Physics, or related discipline or a Master’s degree (preferred) with coursework such as Modern Control Systems, Modern (or Optimal) Control Theory, MIMO Control, Linear Systems Theory, Robotics, [Optimal] State Estimation, or courses with Sensing, Navigation, Localization, or Mapping in the name.

New!

Sterling, VAToday

Oversee operation and management of routine and emergency services on a variety of critical systems such as switchgear, generators, UPS systems, power distribution equipment, chillers, cooling towers, computer room air handlers, building monitoring systems, etc. Regularly walk, use hands and fingers, handle or feel, reach with hands and arms, stoop, kneel, crouch or crawl, climb stairs, twist, bend, work above shoulders, grasp, carry, push and pull objects into position .

New!

Sterling, VA2 days ago

This 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.

New!

Herndon, VAToday

The CxE is responsible for supporting vendors, contractors, and other teams involved in the construction and commissioning of various systems including medium and low voltage power systems, Generators, UPS, HVAC, Chilled Water, BMS, and EPMS systems. The responsibilities of the ACx Commissioning Engineer (CxE) include, but are not limited to, oversight and coordination of multi-discipline division of work related to design review and commissioning of Amazon critical infrastructure for new construction and special projects.

New!

vienna, VA6 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.

Dahlgren, VA7 days ago

This 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.

Dahlgren, VA7 days ago

This 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.

New!

Dahlgren, VA4 days ago

Bowhead 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.

New!

Dahlgren, VA1 day ago

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. Job duties include but are not limited to: Provide input/support in the requirements validation, operational conceptualization, and developmental testing.

New!

Washington, DC2 days ago

$54.02–$54.02 Per Hour

This role is responsible for administering Cisco MDS and Cisco Nexus platforms, managing SAN fabric connectivity, troubleshooting performance and availability issues, supporting storage, virtualization, backup, and disaster recovery operations, and ensuring reliable, secure network services across the enterprise. The ideal candidate will have 8+ years of SAN administration experience, strong Cisco data center networking expertise, a CCNA Data Center certification (or equivalent), and the ability to support 24/7 operations, incident response, and change management activities.

New!

Washington, DC5 days ago

The 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.

Alexandria, VA11 days ago

$170,000–$240,000 Per Year

The 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.

Chantilly, Virginia13 days ago

Contractor

You 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.

New!

Alexandria, VA4 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.

New!

Washington, DC4 days ago

We're seeking a talented Platform Engineer to help architect, deploy, and manage our AWS and on-premises platforms while supporting emerging AI capabilities, modern containerized workloads, and enterprise virtualization environments. • Manage Kubernetes fleet operations across AWS EKS, on-premises Mirantis Kubernetes Engine (MKE), and VMware vSphere with Kubernetes (VKS).

New!

Washington, DC4 days ago

Demonstrated experience ensuring the reliability, scalability, and efficiency of data center operations, including servers, storage, networking, power, and environmental resource requirements. Use enterprise data center technologies to manage and operate servers, storage, networking, and power systems supporting mission-critical environments within the federal government.

Quantico, VA17 days ago

Remote

This position requires at least 8+ years’ experience supporting networking for DoD Command and Control Systems such as Multisource Correlator Tracker (MSCT), Common Aviation Command and Control System (CAC2S), Air Defense System Integrator (ADSI), or Theater Battle Management Core System (TBMCS). Arcticom, LLC provides network and systems administration, enterprise architecture and resource planning, certification and accreditation, software design, programming, maintenance of telecommunications and land mobile radio equipment and systems, help desk support and IT transformation services among other services.

New!

Fredericksburg, VAToday

Together, we take ownership for what we do — whether supporting IT infrastructure, developing new technology in-house, launching a new Amazon Operations facility, or delighting our customers by delivering packages directly to them. As an IT Support Engineer I, you will use your knowledge and specialized skills to implement technical solutions and provide high quality support for computer hardware, operating systems, or enterprise application software.

Arlington, VA13 days ago

$131,300–$237,350

Strong technical focus, ability to support team leadership, and establish strong, collaborative working relationships with government customers, technical staff, senior managers, and peers. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

New!

McLean, VA4 days ago

You’ll work with and guide a multi-disciplinary team of analysts, data engineers, developers, and data consumers in a fast-paced, agile environment. You’ll use your experience in analytical exploration and data examination while you manage the assessment, design, building, and maintenance of analytic solutions for your clients.

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Security Engineer Jobs in Manassas, VA

Cyber Security Engineer III System One

Sr Cloud Security Engineer PlanIT Group

Senior Network Engineer (CCIE) – Security System One

INFO SECURITY ANALYST IV (AntiVirus Engineer-Senior) System One

Junior Software Systems Integration Engineer - RHEL - Secret Clearance Required Jobot

Senior RMF Cybersecurity Engineer (Navy) Jobot

Sr. Software Engineer Jobot

System Integration & Test Engineer Jobot

Software/Systems Integration Engineer (Secret Clearance Required) Jobot

IT- Cyber Security Architect/ Engineer III PlanIT Group

RCDD Technology Engineer Jobot

Controls Engineer, ADC Amazon Data Services, Inc.

Senior Software Engineer (C++ / Java) Jobot

Hardware Engineer Jobot

Senior PowerShell Engineer (Secret Clearance) Jobot

Test Engineer (AN/BYG-1) Jobot

Junior Linux Systems Engineer (RHEL/Clearance) Jobot

Controls Design Engineer, Controls Design Engineering Amazon Data Services, Inc.

Systems/Network Engineer Bowhead / UIC Technical Services

Network Infrastructure Engineer Bowhead / UIC Technical Services

Data Center Controls Engineer, Data Center Capacity Delivery - Controls, DCC Communities Amazon Data Services, Inc.

Construction Cost Engineer, AMER Cost Control Amazon Data Services, Inc.

Electrical Engineer Bowhead / UIC Technical Services

Mechanical Engineer Bowhead / UIC Technical Services

Sr. Electrical Engineer Bowhead / UIC Technical Services

IT - Information Security/Privacy Analyst II PlanIT Group

Network Engineer II Company Confidential

DevSecOps Engineer Credence

Hybrid Cloud Engineer ECLARO

Engineer/Vulnerability Module & Engagement Analyst Bowhead / UIC Technical Services

Aerospace Engineer (GNC) Bowhead / UIC Technical Services

Data Center Chief Engineer, Night Shift Amazon Data Services, Inc.

Senior Field Engineer Sparks Group

Commissioning Engineer Amazon Data Services, Inc.

PAM Engineer Mitchell Martin

Engineer Bowhead / UIC Technical Services

Engineer- Junior Bowhead / UIC Technical Services

Systems Engineer Bowhead / UIC Technical Services

Systems Engineer (MBSE) Bowhead / UIC Technical Services

Senior Network Storage Engineer System One

IT - Systems Engineer II PlanIT Group

Senior Network Engineer (CCIE) – Wireless SME System One

Manufacturing Engineer II (VA) GCR Professional Services

Telecommunications Design Engineer System One

Senior Platform Engineer System One

Senior VMware & Data Center Engineer System One

Senior System Engineer ARCTICOM LLC

IT Support Engineer I, Ops Tech Solutions (OTS) Amazon.com Services LLC

Subsea Lead Program Engineer Leidos

Junior Data Engineer - Palantir Sparks Group

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