Senior Systems Engineer
- Location
- Fort Belvoir, VA
- Work mode
- On-site
- Employment type
- Full-time
About the job
Mobius is an award winning, Small Business Administration (SBA) certified Historically Underutilized Business Zone (HUBZone) company and certified Woman-Owned Small Business (WOSB) providing engineering, analytical, and programmatic expertise to the Federal Government and commercial customers. Our mission is to provide innovative advanced technology solutions to customers facing issues of national and global significance. We strive to be admired for excellent people, fair and honest partnership, innovative problem solving, and exceptional performance.
Come join our team! Mobius is seeking a Missile Defense System Senior Systems Engineer. In this role you will support the Missile Defense Agency's Architecture Concept Evaluation (MDA/CAC) office working to develop future Missile Defense architectures addressing ballistic and hypersonic missile threats to protect the homeland, regional Warfighters, and allies. As contract support, you will be supporting the development of missile defense concepts, analysis plans and tools, interpretation of analytical data, and interfacing with other government agencies to identify missile defense capability in their systems. These actions help MDA decision makers assess architecture alternatives and make investment decisions. This full-time salaried position is located on Fort Belvoir, VA. Work is 100% onsite in a customer-facing TS/SCI facility.
Duties of a Senior Systems Engineer may include:
- Work internally with MDA’s Chief Architect and other MDA offices, and interface and collaborate with other government agencies
- Work and collaborate in cross-functional teams with the technical customers, senior technical staff, and senior leaders
- Work 100% onsite in a customer-facing TS/SCI facility.
- Develop concepts, analysis plans, and top-level requirements for Missile Defense System (MDS) architecture alternatives.
- Produce and present technical and executive-level briefings, whitepapers, and reports to communicate concepts and value assessments to stakeholders.
- Review technical concept documents for consistency with approved baselines and system architectures and contribute to the development of program plans and strategies.
Qualifications
- Minimum of 12 years working on missile defense-related or other complex, large DoD/DoW or IC programs/projects
- Knowledge of Missile Defense Systems (MDS) components, architectures, and concepts, with demonstrated understanding through analysis activities
Education
- Master's degree in a STEM-related field
Clearance
- Active Top Secret clearance with current SCI eligibility
Pay Range $170,000 — $181,500 USD
Mobius Benefits: Mobius offers a stable work environment, a competitive salary, and a comprehensive benefits package, which includes medical, dental and vision plans, 401k Plan, Flexible Work Schedules, Tuition Reimbursement, Paid Leave and much more.
Mobius is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity Employer/Affirmative Action Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class.
From Mobius's careers page (Greenhouse), checked 29 Oct 2026.
How to apply
- Select Apply on mobius-llc.com. It opens Mobius's own application form in a new tab, run on Greenhouse.
- Fill in the form and upload your résumé there. Jobiwork never sees your application.
- Mobius will reply to you directly. No real employer asks you for money to apply.
Posted 16 Sept 2026 · checked 29 Oct 2026 · Report this job