2,517 Results for

Security Engineer Jobs in Ashburn, VA

Jobs

New!

Falls Church, VAToday

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.

Washington DC, DC23 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, DC8 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, VA6 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, DC23 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.

New!

Reston, VA1 day 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.

New!

Falls Church, VAToday

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.

New!

Manassas, VA2 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!

Manassas, VA2 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. Integrating and testing software deliveries, verifying bug fixes, and performing regression testing across multiple hardware and operating system configurations.

New!

Manassas, VA2 days 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.

New!

Arlington, VA1 day ago

$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.

New!

Chantilly, VA2 days 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).

New!

Herndon, VA3 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.

New!

Manassas, VA2 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!

Herndon, VA3 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.

New!

Germantown, MD5 days ago

$130,000–$150,000 Per Year

GIAC Certified Intrusion Analyst (GCIA), GIAC Certified Incident Handler (GCIH), Certified Information System Security Professional or Associate (CISSP or Associate), ISC2 Certified Information Security Manager (CISM), Certified Information Systems Auditor (CISA), Project Management Professional (PMP), Certified Associate in Project Management (CAPM). A Cybersecurity Lead will develop project management plans such as Work Breakdown Structure, mentor and guide team members on the preparation of technical deliverables and resolve project issues, prepares progress/status reports on technical deliverables, and monitor contractual requirements bringing in help from outside the project as needed to mitigate risks.

New!

Herndon, VA1 day ago

$150,000–$200,000 Per Year

New!

Herndon, VA3 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.

New!

Alexandria, VA3 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.

New!

Herndon, VA3 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!

Herndon, VA2 days 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.

Merrifield, VA12 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.

New!

Manassas, VAToday

$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.

New!

Chantilly, VA2 days 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.

New!

Vienna, VA2 days 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!

Springfield, VA2 days 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.

New!

Herndon, VA2 days 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.

New!

Herndon, VAToday

Minimum of 5 years’ experience with network/Security solutions and technologies (BGP, SD-WAN concepts, VXLAN and general routing. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.

New!

Herndon, VA2 days 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.

New!

Springfield, VA2 days 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.

New!

Herndon, VA2 days 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!

Alexandria, VA6 days ago

$180,000–$210,000 Per Hour

Provide 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).

New!

Washington, DC3 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.

Ashburn, VA9 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.

New!

McLean, VA4 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.

Fairfax, VA7 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.

New!

Chantilly, VA2 days 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.

Alexandria, VA9 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, DC2 days ago

Experience with creating and improving automation scripts across multiple technical stacks using Python, • Experience with troubleshooting and resolving issues related to both open source and commercial tools in public cloud environments. • Experience with AWS & Azure & the development of tools and processes to drive DevSecOps maturity by automating builds, regression testing, monitoring, and pushing releases across environments.

New!

Washington, DC3 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.

McLean, VA11 days ago

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.

New!

Washington, DC6 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/

Sterling, VA16 days ago

Full-time
Employee

Hands-on experience with AWS managed services (VPC, EC2, EKS, RDS), including monitoring and analytics tools such as AWS CloudWatch, NewRelic. OperationsMaintain, monitor, and help improve the performance and availability of the 24x7 production environment including networks, servers, databases, etc.

New!

Herndon, VA3 days ago

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.

Silver Spring, MD11 days ago

$60–$90 Per Hour

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Experience with infrastructure monitoring, networking, security, and OS patching (Linux/RedHat).

Alexandria, VA12 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.

Washington, DC7 days ago

$41.69–$41.69 Per Hour

RequirementsMinimum of 5 years of experience providing storage solutions engineering support, including storage management, administration, and maintenance of storage systems (e.g., SAN, INAS). Administer, maintain, and support storage systems within an IPv6-enabled network environment to ensure high performance, security, and availability.

Alexandria, VA11 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.

Washington, DC12 days ago

$200,000–$200,000 Per Year

This role is ideal for a senior engineer who thrives in complex Kubernetes environments, with the ability to design, operate, and optimize large-scale container platforms while supporting modern application architectures. We are seeking a highly experienced Senior Kubernetes Engineer / Platform Administrator to lead the design, deployment, and sustainment of containerized application platforms.

New!

McLean, VA5 days ago

$130,000–$150,000

Determining 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.

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Security Engineer Jobs in Ashburn, VA

Jobs

Sr Cloud Security EngineerPlanIT Group

Senior Security Engineer - Threat ModelingSamsara

Network Security EngineerCSZNet, Inc.

Lead Information Security EngineerGenesis10

Staff Software Engineer - Security & PrivacySamsara

IT - Information Security/Privacy Analyst IIPlanIT Group

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

System Integration & Test EngineerJobot

Specialist, Software Engineering (Service Reliability Engineer)L3Harris Technologies

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

Test Engineer (AN/BYG-1)Jobot

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

Cyber Security LeadDunhill Professional Search

System Resiliency & System Safety EngineerJobot

Commissioning Engineer, Commissioning EngineeringAmazon Data Services, Inc.

Data Center Controls EngineerAmazon Data Services, Inc.

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

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

Strata EngineerSystem One

SCADA Engineer (On-site)HEPCO, Inc.

Specialist, Systems EngineerL3Harris Technologies

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

Lead, Systems Engineer - Mission ProtectionL3Harris Technologies

Specialist, Software Engineer (Embedded Software)L3Harris Technologies

Network EngineerSystem One

Lead Software EngineerL3Harris Technologies

Senior Specialist, Systems Engineer - User Acceptance TesterL3Harris Technologies

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

Senior Network Engineer CCNPSystem One

Senior Cloud Security Specialist (API) - onsiteSystem One

Engineer IT-SupportDigital Realty Trust

DevSecOps EngineerCredence

NOC Network EngineerSystem One

Scientist, Software EngineerL3Harris Technologies

Telecommunications Design EngineerSystem One

DevSecOps EngineerPlanIT Group

IT - Systems Engineer IIPlanIT Group

Senior Google AI EngineerCredence

Storage EngineerPEAK Technical Staffing

DevOps EngineerADG TECH CONSULTING, LLC

Commissioning EngineerAmazon Data Services, Inc.

Cloud Infrastructure Engineer (AWS)System One

Data Engineer (Splunk)System One

Storage Engineer (IPv6 Support)System One

Senior Cybersecurity Engineer (CSfC Specialist)System One

Senior Kubernetes Engineer / Platform AdministratorSystem One

Senior Python Full Stack EngineerVaco LLC

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