8,269 Results for

Security Engineer Jobs in Ashburn, VA

Jobs

Springfield, VA9 days ago

$135,000–$135,000 Per Hour

p>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, VA3 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.

New!

Washington, DC6 days ago

Full-time

The ideal candidate will design, develop, and maintain automated data pipelines, workflows, and integration solutions that improve operational efficiency, data quality, and reporting capabilities. We deliver mission-focused solutions in digital transformation, cloud technologies, cybersecurity, enterprise platforms, and program management.

Washington, DC7 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.

Manassas, VA7 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.

Manassas, VA7 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.

New!

Gaithersburg, MDToday

$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. 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.

Manassas, VA7 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.

Arlington, VA7 days 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!

McLean, VA6 days ago

Remote

Support alignment with security and compliance frameworks such as CIS Benchmarks, NIST, HIPAA, FedRAMP, and SOC 2. • Assist with incident detection, investigation, response, and audit trail maintenance across AWS accounts and services. • Strong hands-on knowledge of AWS services, including EC2, S3, RDS, Lambda, ECS/EKS, CloudFront, Route 53, IAM, CloudTrail, AWS Config, and KMS.

New!

Falls Church, VA3 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.

New!

MONTGOMRY VLG, MD1 day ago

$165,000–$185,000 Per Year

Manassas, VA7 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.

Gaithersburg, MD7 days ago

$120,000–$140,000 Per Year

New!

West McLean, VA6 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.

Manassas, VA7 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.

Reston, VA25 days ago

Full-time
Employee

These activities may be under guidance or instruction from management/support personnel or conducted directly by the individual and will include routine on-station operational tasks on the satellites and Ground Control System (GCS), special activities in response to non-nominal conditions, off-line support functions, together with first level trouble shooting and anomaly resolution of the satellites and GCS. Leveraging an industry-leading scalable, multi-band network infrastructure, Inmarsat Government offers a suite of managed network services and end-to-end communication solutions to support users on land, at sea and in the air, even in the world’s most remote regions.

Reston, VA25 days ago

Full-time
Employee

Leveraging an industry-leading scalable, multi-band network infrastructure, Inmarsat Government offers a suite of managed network services and end-to-end communication solutions to support users on land, at sea and in the air, even in the world’s most remote regions. The NOC Support Engineer is responsible for maintaining, modifying, and managing the NOC's software and monitoring infrastructure, including hardware and software applications used to monitor and manage Inmarsat Government's global MPLS and SATCOM networks.

New!

Herndon, VAToday

Please click here for the E-Verify Poster in English or Spanish.

In addition to technical contributions, this position conducts the day‑to‑day software lead activities by providing technical guidance, assigning tasks, reviewing and approving formal documentation, and estimating labor, tools, and other resources to meet budget and schedule commitments.

McLean, VA13 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.

New!

Chantilly, VAToday

$106,500–$196,500 Per Year

li style="font-family:'verdana' , 'geneva' , sans-serif;font-size:14pt;color:black">Assist in systems/software engineering functions, to include creation of data flow diagrams, interface control documents, perform trade studies, and Static Application Security Testing (SAST) for Application Security and Development Secure Technical Implementation Guide (STIG) compliance using tools such as Fortify/Coverity and Gitlab as part of a DevSecOps Continuous Integration/Continuous Deployment (CI/CD) Pipeline, and generation of summary reports. Please click here for the E-Verify Poster in English or Spanish.

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!

Reston, VA3 days ago

The enforced dress code is business casual, i.e., collared shirt with slacks for men, no skirts above the knee for women.

• Collaborate with security engineers, compliance officers, and business managers to ensure policies are both technically sound and operationally practical.

New!

Washington DC, DC5 days ago

li>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.

New!

Springfield, VAToday

Please click here for the E-Verify Poster in English or Spanish.

The ideal candidate demonstrates strong leadership, technical depth in threat-informed engineering, and the ability to integrate Mission Protection requirements into operational planning, system architecture, and lifecycle activities.

New!

McLean, VA5 days ago

$130,000–$150,000

p> 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.
Canadian residents may access our policies in English here and in French here.

New!

Springfield, VAToday

$90,500–$168,500 Per Year

Please click here for the E-Verify Poster in English or Spanish.

Actively participate in daily operations stand-up meetings to provide updates on ongoing activities, highlight key operational priorities, and address any challenges or risks impacting mission success.

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.

New!

Herndon, VAToday

Please click here for the E-Verify Poster in English or Spanish.

BS/BA (or equivalent) in Optical, Electrical, Computer Engineering, Computer Science, Information Technology or related field, and minimum 6 years Software or systems experience or Graduate’s degree and 4 years software or systems experience.

New!

Springfield, VAToday

Please click here for the E-Verify Poster in English or Spanish.

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.

Chantilly, Virginia21 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!

Chantilly, VAToday

Please click here for the E-Verify Poster in English or Spanish.

Experience explaining complex technical topics to different audiences, whether that's fellow engineers, program managers, or customer leadership.

New!

Washington, DC4 days ago

Contractor

p>The DevOps Engineer (Jira Platform Engineer) will serve as the technical owner of the Jira SaaS platform in the government cloud, responsible for administering, configuring, and integrating Jira within the enterprise technology ecosystem.

Design, implement, and maintain integrations between Jira and enterprise systems such as GitLab (source control & CI/CD) and ServiceNow (ITSM), using Okta, REST APIs, webhooks, middleware, and scripting.

Washington, DC12 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!

Arlington, VAToday

$104,000–$128,960

div>

What your day-to-day will look like:
Monitor operation and maintain refrigeration, water cooling, air conditioning equipment, boilers, heating, ventilating systems, pumps, valves, piping, and other mechanical and electrical equipment while overseeing HVAC repair and preventive maintenance programs.
What this job involves:
As Chief Engineer, you'll provide operational leadership for the engineering team, ensuring machinery and systems operate safely, efficiently, and cost-effectively while achieving 100% uptime through reliability-based maintenance practices.
Washington, DC12 days ago
li>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.
New!
Mclean,, Virginia4 days ago
$65–$70 Per Hour
Contractor
p>The specific compensation for this position will be determined by several factors, including the scope, complexity, and location of the role, as well as the cost of labor in the market; the skills, education, training, credentials, and experience of the candidate; and other conditions of employment. Qualifications:
2 to 5 years of experience in cloud SRE activities, including capacity management, monitoring, and core services integrations for AWS.
Arlington, VA20 days ago
$200,000–$220,000 Per Year
Contractor
Employee
Supporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution. Contract personnel perform investigations to characterize of the severity of breaches, develop mitigation plans, and assist with the restoration of services.
Washington, DC26 days ago
$58–$62 Per Hour
Contractor
While an hourly range is posted for this position, an eventual hourly rate is determined by a comprehensive salary analysis which considers multiple factors including but not limited to: job-related knowledge, skills and qualifications, education and experience as compared to others in the organization doing substantially similar work, if applicable, and market and business considerations. This role architects, implements, and sustains highly available storage platforms supporting mission-critical SEC workloads across primary, alternate, and regional environments.
New!
McLean, VA3 days ago
p>The ideal candidate will have strong hands-on experience with AWS infrastructure, Terraform/IaC, CI/CD pipelines, scripting, secure cloud operations, monitoring/logging, and compliance-aligned engineering practices.
Working knowledge of cybersecurity best practices, secure cloud configurations, zero-trust concepts, and compliance frameworks such as NIST, CIS, or ISO 27000.
New!
Washington DC, DC3 days ago
This role collaborates with Product Owners, Federal Project Managers (FPMs), Business Analysts, Solution Architects, UX/UI Designers, QA Engineers, and DevSecOps teams to deliver end-to-end solutions across the full software development lifecycle.
The Senior Full Stack Developer is responsible for designing, developing, integrating, and supporting secure, scalable, and high-performing enterprise web applications using modern cloud-native technologies.
Springfield, VA12 days ago
$175,000–$175,000 Per Year
li>Configure and troubleshoot NetApp Storage – ONTAP, perform firmware and OS upgrades, and utilize storage management tools like OnCommand Unified Manager and Performance Manager.
Design, implement, and support VMware vSphere, vCenters, and Microsoft Active Directory Forests with JIT administration to support multiple PKI systems.
New!
TYSONS CORNER, VA1 day ago
p>As a Washington Post Top Workplace award winner for the past THIRTEEN years in a row, the Top Workplaces USA for the past five years, and a recipient of the Companies As Responsive Employers (CARE) Award for the past six years, Dev Technology employees enjoy:
Generous and flexible time-off policy.
In collaboration with the Engineering Lead and incumbent team members, the Senior Systems Engineer willhave the responsibility to plan, design, and build the infrastructure for cloud-based identity and authentication services supporting MFA for web-based applications.
Herndon, VA7 days ago
$125,000–$175,000 Per Year
Typical duties include writing technical reports, conducting surveys, performing calculations, overseeing, and completing power, telemetry, and telecommunications designs, conducting research and development, systems integration, testing, hands-on assembly, and PLC programming. Seeking a Sr Electrical Engineer to serve as the electrical discipline team leader for the project, directing other engineers and designers as required, provide electrical design expertise and leadership for the entire project, from initial survey through final inspection.
Alexandria, VA14 days ago
li>
Bachelor’s degree or higher in Civil Engineering (Structural focus) or Architectural Engineering from an ABET-accredited program. We’re looking for a Structural Project Engineer to join a dynamic, employee-owned architecture and engineering team that values innovation, collaboration, and professional growth.
New!
Reston, VA2 days ago
div> Client CIO Architecture, Strategy & Innovation (CASI) is responsible to assist Vice President of Information Technology (IT) design, develop, maintain, support, and translate corporate business vision and strategy along with stakeholder input into objectives for building, enhancing, or replacing business and IT systems capabilities, together with an implementation of a comprehensive IT roadmap, all-the-while maintaining resilience to change as a key architectural and strategy objective for the enterprise. • Tasks – might include (neither exhaustive nor restrictive): o Advises and assists IT functional groups to define and implement solutions aligned with a Cloud based Microservices / Service Oriented Architecture (SOA) for infrastructure or business applications.
Washington, DC11 days ago
$61.87–$61.87 Per Hour
p>You’ll be the go-to senior engineer for building and improving an enterprise observability program—using Datadog (or a comparable platform)—to help teams detect issues faster, reduce alert noise, and improve reliability in a 24x7 environment.
Hands-on experience operating an observability platform:
Datadog preferred, but Dynatrace / New Relic / Splunk Observability / Grafana+Prometheus are also relevant .
Springfield, VA12 days ago
$130,000–$130,000 Per Year
System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
Manage Active Directory, DNS, SCOM\SCCM, group policy, and PowerShell scripting to ensure system integrity and security.
New!
Washington, DC3 days ago
Design, implement, and maintain seamless integrations between Jira with other enterprise systems, such as GitLab (source control & CI/CD), and ServiceNow (ITSM), using Okta,REST APIs, webhooks, middleware, and scripting. The DevOps Engineer (specifically Jira Platform Engineer) will serve as the technical owner of our Jira SaaS in government cloud, and is responsible for administering, configuring, and integrating the application within our enterprise technology ecosystem.
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Security Engineer Jobs in Ashburn, VA

Cyber Security Engineer III System One

Sr Cloud Security Engineer PlanIT Group

Data Automation Engineer Big Impact Tech (BIT)

RCDD Technology Engineer Jobot

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

Senior RMF Cybersecurity Engineer (Navy) Jobot

Sr. Software Engineer Jobot

Software/Systems Integration Engineer (Secret Clearance Required) Jobot

System Integration & Test Engineer Jobot

AWS Cloud Security Engineer System One

IT- Cyber Security Architect/ Engineer III PlanIT Group

Senior Software Engineer (C++ / Java) Jobot

Test Engineer (AN/BYG-1) Jobot

Hardware Engineer Jobot

Senior PowerShell Engineer (Secret Clearance) Jobot

Junior Linux Systems Engineer (RHEL/Clearance) Jobot

SPOC Engineer Inmarsat Government, Inc

NOC Support Engineer Inmarsat Government, Inc

Lead, Software Engineer L3Harris Technologies

DevSecOps Engineer Credence

Senior Specialist, Information Security Systems Engineering L3Harris Technologies

Network Engineer II Company Confidential

IT - Information Security/Privacy Analyst II PlanIT Group

Hybrid Cloud Engineer ECLARO

Lead, Systems Engineer - Mission Protection L3Harris Technologies

Senior Python Full Stack Engineer Vaco LLC

Specialist, Systems Engineer - Watch Officer L3Harris Technologies

IT - Systems Engineer II PlanIT Group

(DoD SkillBridge), Specialist, Integration & Test Engineer L3Harris Technologies

Senior Specialist, Systems Engineer - User Acceptance Tester L3Harris Technologies

Manufacturing Engineer II (VA) GCR Professional Services

Senior Specialist, Integration & Test Engineer L3Harris Technologies

Jira Platform Engineer SONA Networks, LLC

Senior Platform Engineer System One

Chief Building Engineer *US AMR-Jones Lang LaSalle Americas, Inc.

Senior VMware & Data Center Engineer System One

Cloud Platform Engineer (HashiCorp Vault & AWS) Pinnacle Technical Resources

Systems Engineer IV Base One Technology

Storage Engineer The Computer Merchant, Ltd

AWS Cloud Infrastructure Engineer System One

System/DevSecOps Engineer NuAxis Innovations

Virtualization Engineer System One

Senior Systems Engineer Dev Technology Group

Sr Electrical PE Jobot

Structural - Project Engineer System One

Engineer; Cloud Systems or Architect, Cloud Systems GCP (Google Cloud Professional) (SME) PlanIT Group

Senior Data Dog Cloud Engineer (Observability) System One

Active Directory Engineer System One

Jira Platform Engineer (onsite) System One

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