Senior Systems Engineer
$131.3k - $237.35kLeidos
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, Leidoswill 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 orany 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 View email address on click.appcast.io. If you believe you are the victim of a scam, contact your local law enforcement and report the incident to theU.S. Federal Trade Commission. 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 orexpression, 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.
- ...A leading defense and technology company is seeking an Elasticsearch Systems Engineer in Bethesda, Maryland. This role involves supporting a large enterprise Elasticsearch deployment in a DevSecOps environment, ensuring production stability and data integrity. Qualified...Senior
- ...Senior Systems Engineer Department: PMS501PSS Employment Type: Contract / Temp Location: PMS501PSS-SEAPORT-WA Description We are seeking a skilled and experienced Senior Systems Engineer to join our team. Responsibilities Provide oversight and management of contractor...SeniorContract workTemporary workFor contractors
- ...with a broad set of program management, finance, and operations research capabilities has enabled Regulus to become the premier systems engineering and program management services provider for the Federal Aviation Administration's (FAA) most challenging programs. Regulus...SeniorWork experience placement
- ...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...SeniorFor contractors
- ...Summary Systems Engineer (Senior) Arlington, VA 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 Military...SeniorWork at officeWork from homeHome office
$160k - $200k
Saic is looking for a SailPoint Senior Systems Engineer in Washington, DC, to enhance cybersecurity and implement identity management solutions. The role involves coordinating with external stakeholders and requires a minimum of 8 years experience, with a focus on SailPoint...Senior- ECS in Washington DC is looking for a Senior Systems Engineer to support a mission-focused federal IT program. This critical role involves providing systems engineering support for secure and reliable infrastructure tailored to litigation and law enforcement missions while...Senior
- Koitecc Solutions is looking for an Information Systems Security Engineer (ISSE) SME to design and implement secure information systems. Responsibilities include conducting vulnerability assessments and collaborating with multidisciplinary teams to strengthen system security...SeniorFlexible hours
- ...solutions with deep organizational insights, all aimed at elevating our civilian and military aviation partners. Job Summary The Senior Systems Engineer provides end‑to‑end systems engineering support for FAA infrastructure and operational systems, including architecture...SeniorFor contractorsLocal area
$166k - $220k
Anduril Industries, located in Washington, D.C., is seeking a Systems Engineer to work on mission autonomy systems. This role involves interfacing with stakeholders and creating engineering artifacts required for project success. The ideal candidate will possess a B.S....Senior$125k - $180k
A technology solutions provider in Washington, DC is seeking a Senior Systems Engineer to join their team. This role requires candidates to obtain a DOD Secret Clearance and involves supporting program management, integrating network systems, and managing the development...Senior$104.5k - $165k
Huntington Ingalls Industries is seeking a Senior Systems Engineer in Alexandria, VA. The role requires 5+ years of experience and a Bachelor's degree. Candidates will support national security missions through system design and operations. Responsibilities include project...Senior- A leading defense technology company based in Washington, DC, seeks a talented Systems Engineer to manage the architecture and requirements for next-generation air and missile defense systems. The ideal candidate will have at least 5 years of Systems Engineering experience...Senior
$90 - $96.56 per hour
A leading consulting firm seeking an experienced Senior System Engineer to support a critical program near Washington, DC. The role requires a TS/SCI clearance with an active Full Scope Polygraph and consists of systems engineering tasks in a classified environment. Key...Senior- Revolutional is seeking a Senior Systems Engineer to manage and optimize critical infrastructure at the Dept of State in Washington, DC. The ideal candidate will possess in-depth knowledge of Windows Server and Active Directory, with extensive experience in virtualization...SeniorFull time
- A defense technology firm is seeking an Operations Research Systems Analyst to enhance operational resilience through advanced analytical techniques. This role involves conducting quantitative analyses, optimizing systems for mission-critical operations, and collaborating...SeniorFlexible hours
$131.3k - $237.35k
...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...SeniorContract workLocal areaImmediate startRemote workFlexible hours- A leading technology and professional services company is seeking a PKI Systems Engineer to design, implement, and manage PKI systems. This role is crucial for ensuring the security and reliability of certificate services. Ideal candidates should have a Bachelor's degree...SeniorCasual work
- Solutions Through Innovative Technologies, Inc is seeking a Senior Systems Engineer to support the Capabilities Assessment Branch. The role involves system engineering in the IAMD domain, including modeling, simulation, and data analysis using tools like EADSIM and WILMA...Senior
$131.3k - $237.35k
A technology solutions company in Bethesda, Maryland is seeking a Sr. Systems Engineer to support the DISA Defense Red Switch Network for VoIP management. The ideal candidate will have a Bachelor's degree and 8 years of related experience in integration, with proficiency...Senior- Apogee Research, LLC is seeking a full-time Senior Experimentation Engineer in Arlington, VA. This role involves developing methodologies for research experiments and leading the experimental process. Ideal candidates will possess a Bachelor's degree and extensive experience...SeniorFull time
- Senior Systems Engineer - Washington DC Everforth ECS Federal is seeking a Senior Systems Engineer to support a mission‑focused federal IT program in Washington DC. The position is contingent upon contract award. Join Everforth ECS Federal to support secure systems and...SeniorContract workLocal area
$166k - $220k
...capabilities with advanced technology. ABOUT THE TEAM We are working on autonomous airpower systems that must operate in demanding environments. The Model-Based Systems Engineering team guides digital engineering strategy and complements modeling, product engineering,...SeniorFull time- Position Description & Qualifications Serco is looking for an experienced and enthusiastic Senior Systems Engineer to join our dynamic Maritime Engineering Operation (MEO) team at our Alexandria, Virginia location. This role involves creating, editing, and reviewing ship...Senior
- Prattwhitney is seeking a Senior Principal Systems Engineer to join the Integrated Platforms team in Washington, DC. This role focuses on supporting the White House Secure Voice Network (WHSVN), ensuring its reliability and mission readiness through comprehensive engineering...Senior
$91.6k - $153k
Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting... ...& Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities... ...experience communicating with senior level customers Strong working knowledge...SeniorFor contractors$125k - $160k
Overview Cape Fox Federal Integrators is seeking a talented Senior Systems Engineer. This position is contingent upon award. Salary range: $125,000.00 - $160,000.00 Responsibilities Perform systems engineering and maintenance activities according to established standards...Senior$148.9k - $223.4k
KBR is looking for a Principal System Engineer/Enterprise Architect in Chevy Chase, MD. This role involves designing IT enterprise architecture, working closely with cross-functional teams, and contributing to national security solutions. The ideal candidate will have extensive...Senior- ...Senior System Engineer Ampcus Inc. is a certified global provider of a broad range of Technology and Business consulting services. We are in search of a highly motivated candidate to join our talented team. Location: King of Prussia, PA. Potential candidate must provide...SeniorWork at officeShift workWeekend work
$200k - $225k
Riptide Technology is seeking a Senior Systems Engineer to support Research and Development (R&D) work at the Naval Research Laboratory in Washington DC. Come join a team of diverse, multidisciplinary information technology experts providing Command, Control, Communications...SeniorTemporary workImmediate start
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Systems Engineer. Be the first to apply!
- system engineer contract Washington DC
- application system engineer Washington DC
- senior windows systems engineer Washington DC
- lead system engineer Washington DC
- system performance engineer Washington DC
- senior staff systems engineer Washington DC
- director systems engineering Washington DC
- systems engineer Washington DC
- computer system validation engineer Washington DC
- distributed systems engineer Washington DC

