Senior Systems Engineer with Security Clearance

Senior Systems Engineer Gaithersburg, MD Active TS (SCI eligibility) clearance and eligibility to obtain a CI poly At Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical IT solutions, producing actionable intelligence, or developing cutting edge technology, we Succeed because of the expertise, collaboration, and agility of our teams. Our Mission Services division combines enterprise IT, cloud solutions, Dev Sec Ops , systems engineering, software development, and operational support.

Bcore accelerates decisive advantage for warfighters and intelligence professionals by fusing human insight, rapid-fire engineering, precision-measured outcomes, and relentless grit into mission-ready solutions. Do you want to join a team that is building tailored technical solutions to modernize our government’s mission and our client’s business? Do you have a desire to change how people work? Are you interested in helping to protect our nation’s cyber interests?

Join our growing team as a Senior Systems Engineer, supporting the NGA customer mission.

As a key member of our engineering team, you’ll help design, integrate, and evolve cutting-edge systems that enable our customers’ mission. You’ll work alongside software engineers, cybersecurity professionals, and government partners to transform mission needs into scalable, secure, and resilient solutions using modern engineering practices and Dev Sec Ops  principles. At Leidos, you’ll have the opportunity to innovate, lead, and grow while contributing to technologies that matter.

What you get to do every day:

• Lead systems engineering activities across the full system lifecycle, including requirements analysis, architecture development, integration, testing, deployment, and sustainment.
• Collaborate with Product Owners, Scrum Masters, and Agile development teams to refine features and translate mission needs into technical solutions.
• Develop and maintain system architectures, interface definitions, operational concepts (CONOPS), and technical documentation.
• Perform systems decomposition, functional analysis, allocation, and traceability using industry-standard systems engineering practices.
• Support backlog refinement, sprint planning, and technical roadmap development.
• Evaluate system performance, identify technical risks, and develop mitigation strategies.
• Coordinate integration across multiple development teams and external mission partners.
• Support verification and validation activities, ensuring requirements are fully tested and documented.
• Participate in design reviews, architecture reviews, technical interchange meetings, and customer briefings.
• Support Dev Sec Ops  initiatives and continuous integration/continuous deployment (CI/CD) processes.
• Ensure compliance with customer and Intelligence Community engineering standards and security requirements.

Note: The original posting contained a range of qualifications and experience requirements. The content here preserves those details verbatim where applicable.

• Clearance Required:
  
  Active TS clearance (with SCI Eligibility) and eligibility to obtain CI Poly
• Certification:
  CompTIA Security+ certification or an equivalent DoD IAT Level II certification
• Education/
  
  Experience:
  
  Requires Bachelor’s degree in Systems Engineering, Computer Science, Software Engineering, Electrical Engineering or a related STEM discipline
• 8-12 years of prior relevant experience or Master’s with 6-10 years of prior relevant experience
• 8+ years of professional systems engineering experience

• INCOSE Systems Engineering Professional Certification (ASEP, CSEP, or ESEP)
• Strong understanding of systems engineering principles and the systems development lifecycle
• Experience working with Agile frameworks (Scrum, SAFe, Kanban)
• Experience with requirements management tools such as Jira, Confluence, or similar
• Knowledge of cloud environments (AWS, Azure, or Gov Cloud)
• Experience with system integration, interface management, and enterprise architecture
• Familiarity with Dev Sec Ops  pipelines and CI/CD tools
• Ability to work effectively in a collaborative, cross-functional team…