Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Systems Engineer

$131.3k - $237.35k

Leidos

Description

Are you ready to join Leidos all-star team? Through training, teamwork, and exposure to challenging technical work, let Leidos show how to accelerate your career path.

Leidos has an exciting opening for you as our next TS/SCI Senior Systems Engineer supporting DIA’s National Digital Exploitation and OSINT Center (NDOC) (formerly NMEC) under our 10-year DOMEX Technology Platform (DTP) contract. Have impact as part of a mission focused, solutions oriented, and adaptive team that values innovation, collaboration, and professional development. As the Senior System Engineer, you will perform and manage the full spectrum of systems engineering tasks to include requirements analysis, feature, system and interface design, system integration, system testing, as well as working with the SE team in support of Model Based Systems Engineering (MBSE) and all associated documentation. You will also take on the role as a scrum master to lead a software development team while managing risks, escalating impediments, and helping to drive continuous process improvement. While most work is conducted on-site at our client location in Bethesda, MD, we offer a flexible schedule and, occasionally, some tasks may be performed remotely. Percentage of remote work will vary based on client requirements/deliverables.

As a senior member of the team, you bring deep expertise in Systems Engineering (SE) and will work closely with Systems Engineers, Software Engineers, Architects as well as Government counterparts on the following key tasks:

  • Technical support, coordination, and execution of systems engineering activities such as feature/requirements analysis, design, implementation planning, integration and test, sustainment, documentation, deployment, and system assessment

  • Perform systems engineering tasks within time-boxed (e.g., Agile) sprints and releases. Support sprint and release planning activities as well as the creation of and/or input to work tickets (e.g., Gitlab issues) as well as program/system documentation using collaboration software (e.g., Gitlab wiki)

  • Support and employ MBSE approach for systems planning, design, execution, and sustainment in coordination with the Lead SE and SE team members

  • Help to define processes for technical platforms, system specifications, input/output and working parameters for hardware and/or software compatibility

  • Assist in establishing SE processes and tools to accomplish analysis, problem diagnosis and solution design, integration and test preparation, risk assessment and mitigation planning, and related activities

  • Manage a scrum team performing development activities across the microservices and support system architectures

You are rigorous while having the ability to work well with people from different disciplines with varying degrees of technical experience. You bring leaderships skills and enthusiasm and meet the following qualifications:

  • BS in Engineering, Computer Science, Systems Engineering, or related field or equivalent experience with 12+ years in software development, system engineering or related field. Additional years of experience in lieu of degree are acceptable.

  • Must have an active Top Secret//SCI security clearance with the ability to obtain and maintain a Polygraph.

  • Experience with creating design packages and workflows

  • Experience in writing technical solutions and whitepapers

  • Experience implementing key Agile processes and techniques

  • Experience with facilitating scrum for the team (Planning, Retrospective, Grooming & Review/Demo)

  • Experience with Gitlab (workflow), JIRA, Confluence, or similar tools

  • Excellent verbal and written communication skills

  • Familiarity with a MBSE approach and tools or experience with framework/approach like MBSE

You will wow us even more if you have some of these skills:

  • Software development/coding experience with programming languages such as Python, Java, and React

  • Experience with database systems, search engines, model view controller (MVC); web applications

  • Experience in a Red Hat, Centos or Oracle Linux

  • Experience with big data applications

  • Scaled Agile Framework certification (SAFe Agilist or other)

  • Familiarity with continuous integration/continuous development tools (Jenkins, Bamboo, or equivalent)

#NMECDTP-All

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:
April 17, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:
Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit .

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at .

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. 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 .

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the .

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Vacancy posted 5 days ago
Similar jobs that could be interesting for youBased on the Senior Systems Engineer in Fairfax, VA vacancy
  • $110.5k - $149.5k

     ...efforts for enterprise‑level intelligence systems. This role blends project leadership...  ...integration work, ensuring new capabilities are engineered, evaluated, and deployed with rigor and...  ...and solution approaches for senior leadership. Technical Project Leadership... 
    Senior
    Flexible hours

    General Dynamics Information Technology

    McLean, VA
    1 day ago
  •  ...Overview Senior System Engineer Vienna, Virginia Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employer's core culture? If so, Chenega... 
    Senior
    Work at office
    Work from home
    Home office

    Chenega MIOS SBU

    Vienna, VA
    1 day ago
  • $107.9k - $195.05k

     ...Description Job Description (ENG1018T – Infrastructure and Lab Engineering Architect) Job Description (ENG1018T4 – Infrastructure &...  ...for factory lab initiatives, working closely with software, systems, network engineers and program leadership to ensure lab... 
    Senior
    Work at office
    Local area
    Immediate start

    Leidos

    McLean, VA
    4 days ago
  •  ...Position Title: Senior Systems Engineer Requisition ID: 1737 Position Location: Fairfax, VA / Concord, NH (onsite) Position Reports To: Senior Principal Systems Engineer Supervises Others: No At Trident Systems Space Electronic Systems (SES) division, we believe in the... 
    Senior
    Permanent employment
    Temporary work
    For contractors
    Local area

    Trident

    Fairfax, VA
    1 day ago
  • Analytic Services Inc is seeking a Systems Engineer to support the architecture and lifecycle management of biometric systems for DoD environments. This role covers end‑to‑end systems engineering for secure biometric integration and compliance with cybersecurity standards... 
    Senior

    Analytic Services Inc

    Fairfax, VA
    1 day ago
  • ECS is seeking a Senior System Performance Engineer to join their team in Fairfax, Virginia. This role focuses on optimizing system performance and ensuring scalability and reliability in enterprise IT environments critical to the Army National Guard's mission. The ideal... 
    Senior

    ECS

    Fairfax, VA
    1 day ago
  • $107.9k - $195.05k

     ...Description Job Description (ENG1018T – Infrastructure and Lab Engineering Architect) Job Description (ENG1018T4 – Infrastructure & Lab...  ...for factory lab initiatives, working closely with software, systems, network engineers and program leadership to ensure lab... 
    Senior
    Work at office
    Local area
    Immediate start

    Leidos

    McLean, VA
    1 hour ago
  • $131.3k - $237.35k

     ...work, let Leidos show how to accelerate your career path. Leidos has an exciting opening for you as our next TS/SCI Senior Systems Engineer supporting DIA’s National Digital Exploitation and OSINT Center (NDOC) (formerly NMEC) under our 10-year DOMEX Technology... 
    Senior
    Contract work
    Local area
    Immediate start
    Remote work
    Flexible hours

    Leidos

    Merrifield, VA
    1 day ago
  •  ...NeoMax is on the lookout for an experienced System Engineer based in McLean, Virginia. The ideal candidate will have a bachelor's degree and over 11 years of experience in delivering robust engineering services for network and enterprise computing infrastructure. This... 
    Senior

    NeoMax

    McLean, VA
    1 day ago
  •  ...MANTECH seeks a motivated, career, and customer-oriented Senior Systems Engineer to join our team in Chantilly, VA . You will help troubleshoot and fix a cyber security testing environment while developing its replacement. By leveraging your strong technical... 
    Senior
    Work experience placement
    Work at office

    MANTECH

    Chantilly, Loudoun County, VA
    1 hour ago
  • Position Summary ECS is seeking a System Performance Engineer - Senior to support the Army National Guard (ARNG) ENOCS program in optimizing system performance and ensuring the scalability and reliability of enterprise IT environments. The selected candidate will play... 
    Senior
    Local area

    ECS

    Fairfax, VA
    1 day ago
  • $148.85k - $269.08k

    A defense and technology company in Virginia is seeking a Senior System Engineer to support cybersecurity initiatives. Responsibilities include designing architectures and enhancing systems for the Insider Threat Program. Ideal candidates will have 15+ years of IT experience... 
    Senior

    Leidos

    Fairfax, VA
    1 day ago
  • $135.8k - $203.6k

    Northrop Grumman Corp. (AU) is looking for a Systems Engineer Level 4 - Engineering Coordinator based in Fairfax, VA. You will oversee the execution of multiple technical projects and ensure high quality and efficiency throughout the lifecycle phases. Applicants must have... 
    Senior

    Northrop Grumman Corp. (AU)

    Fairfax, VA
    3 days ago
  • $169k - $253.6k

    Northrop Grumman Corp. (AU) is seeking a Systems Engineer Level 5 - Engineering Coordinator in Fairfax, VA. This role requires overseeing technical execution across projects, supporting proposals, and overseeing engineering metrics. Candidates must have an active Top Secret... 
    Senior

    Northrop Grumman Corp. (AU)

    Fairfax, VA
    3 days ago
  • Overview One of our premier clients has a Full-Time opening for a Senior Systems Engineer working in their Fairfax, Virginia headquarters. To be considered for this role you must have an active Top Secret clearance with eligibility to obtain SCI level clearance. Responsibilities... 
    Senior
    Full time

    NorthHill Technology

    Fairfax, VA
    5 days ago
  • $148.85k - $269.08k

    Description The Digital Modernization Sector at Leidos currently has an opening for a Senior System Engineer supporting the HEITS Contract as part of the Department of Homeland Security (DHS) Insider Threat Program (ITP). This is an exciting opportunity to use your experience... 
    Senior
    Contract work

    Leidos

    Fairfax, VA
    2 days ago
  • Cybersecurity Systems Engineer - Senior (CAASM) Location: Washington D.C. Employment Type: Full-Time About SERVISS At SERVISS, we deliver cutting‑edge cybersecurity and IT solutions to government and commercial clients. We engineer mission platforms that become foundational... 
    Senior
    Full time

    SERVISS LLC

    Fairfax, VA
    5 days ago
  • Serco is seeking a Senior Systems Engineer for its Maritime Engineering Operation in Alexandria, Virginia. The position requires an active Secret clearance and 8 years of relevant experience. You will work on technical activities related to system development in support... 
    Senior

    Serco

    Fairfax, VA
    1 day ago
  • ECS is seeking a Systems Engineering Lead - Senior to support the Army National Guard (ARNG) ENOCS program in Fairfax, Virginia. The role involves leading engineering activities for enterprise application integration and architecture design while ensuring alignment with... 
    Senior

    ECS

    Fairfax, VA
    1 day ago
  • $156k - $239.2k

     ...lead the design and delivery of mission critical ArcGIS deployments supporting Defense and Intelligence operations. As a Senior System Engineer, you will architect and optimize enterprise scale geospatial systems across complex, secure environments. You will guide customers... 
    Senior
    Full time
    Relocation
    Relocation package

    Esri

    Vienna, VA
    17 hours ago
  • $107.9k - $195.05k

     ...The Non-Kinetic Effects Business Area, part of the Defense Sector at Leidos, currently has an opening for a cleared Senior Model-Based Systems Engineer to work in our Arlington, VA office. This is an exciting opportunity to use your experience helping multiple DoD customers... 
    Senior
    Work at office
    Local area
    Immediate start

    Leidos

    Burke, VA
    1 hour ago
  • Overview Position Summary: ECS is seeking a Systems Engineering Lead - Senior to support the Army National Guard (ARNG) ENOCS program. The selected candidate will lead systems engineering activities that are crucial for enterprise application integration and architecture... 
    Senior
    Local area

    ECS

    Fairfax, VA
    3 days ago
  •  ...experience or HS diploma/equivalent and 12 years’ experience Systems Engineering experience supporting complex, integrated hardware and/or...  ...of airspace safety and surveillance. As a Systems Engineer - Senior you’ll play a key role in designing, integrating, and analyzing... 
    Senior
    Contract work

    Peraton

    Herndon, VA
    1 day ago
  •  ...Overview VTG is seeking a Senior Systems Engineer to strategically safeguard critical national security interests by leveraging advanced systems intelligence and precision-targeted cyber capabilities. Responsibilities System Engineer/Administrator with knowledge of Linux... 
    Senior

    VTG Defense

    Reston, VA
    1 day ago
  •  ...Description SAIC is seeking a Senior Systems Engineer to support the NRO GEOINT System Integration & Architecture (GSIA) office. This is a Systems Engineering and Technical Assistance (SETA) support position to assist in defining the future GEOINT space architecture. The... 
    Senior
    Work at office
    Flexible hours

    SAIC

    Chantilly, Loudoun County, VA
    1 day ago
  •  ...Overview VTG is looking for a Senior Systems Engineer in Springfield, VA. What will you do? Systems Engineers employ a multi-discipline approach to requirements engineering, solutions engineering, scheduling, reliability, resiliency, services development, integration,... 
    Senior
    Remote work

    Vosper Thornycroft Group

    Springfield, VA
    1 day ago
  • $107.9k - $195.05k

     ...Description Leidos is seeking a Systems Engineer who will be the Concurrent Engineering Lead for a dynamic team working on the development of an air traffic control and management system that improves aircraft runway and terminal congestion. Nationwide congestion... 
    Senior
    Local area
    Immediate start

    Leidos

    McLean, VA
    1 hour ago
  •  ...able to obtain a public trust clearance. On site in Tysons Corner, VA 3 days per week Dev Technology Group is looking for a Senior Systems Engineer to support a project to plan and implement Multi-Factor Authentication (MFA) for web-based applications as part of... 
    Senior
    3 days per week

    Dev Technology

    Falls Church, VA
    5 days ago
  • A systems engineering firm in Fairfax, VA is seeking a Sr. Systems Engineer for Integration and Test. The ideal candidate will have over 10 years of experience, a BS degree in EE/CE/CS, and capability in programming languages like C/C++/Python. This role requires leading... 
    Senior

    Select Search Associates LLC

    Fairfax, VA
    3 days ago
  •  ...robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes...  ...and the survivability of the warfighter. We are seeking a Senior Space Systems Engineer to provide expert technical oversight and engineering... 
    Senior
    For contractors

    QinetiQ US

    Arlington, VA
    1 day ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Systems Engineer. Be the first to apply!