Senior System Engineer Jobs in Reston, VA (NOW HIRING)

Welcome to the MOMENTUM Family!

MOMENTUM is not just our company name; it is the highest value we deliver to our customers. We are a rapidly growing technology solutions company delivering innovative technology, engineering, and intelligence solutions across the DoD sector. The efforts of our high-capacity team ultimately strengthen our Nation and the warfighter.

Our team is dispersed throughout the US, which means we value the diversity and unique collaboration that's fostered throughout our team. We work incredibly hard for our customers and believe deeply in our core values. We're a high-energy, high-growth team and we love to win.

Senior System Engineer
Senior System Engineers to provide SETA (Systems Engineering & Technical Assistance) support to a government program office responsible for the development and deployment of a space-based Air Moving Target Indicator (AMTI) system.
This role places you at the center of a high-visibility, fast-paced program, working directly with government leadership and industry partners to ensure mission success. You will provide independent technical assessment, systems engineering expertise, and mission-focused insight across the full lifecycle from design through launch and early operations.
If you're a technically strong engineer who thrives in a government advisory role, understands how to bridge government and industry, and wants to contribute to a next-generation space-based radar mission, we encourage you to apply.
In this role, you will:

• Provide independent technical assessment of contractor designs, architectures, and performance
• Support systems engineering lifecycle activities, including requirements development, design reviews, integration, test, and verification
• Evaluate radar payload performance, modeling, and system-level trade studies
• Assess RF hardware development and production testing
• Support Model-Based Systems Engineering (MBSE) and digital engineering efforts, including system performance modeling and multi-sensor integration
• Analyze and validate end-to-end mission performance (sensor, ground, processing, dissemination)
• Participate in and support major program design reviews
• Provide technical risk identification and mitigation recommendations to government leadership
• Develop and deliver briefings and decision support materials for senior stakeholders
• Collaborate with government and contractor teams using tools such as Cameo, Tableau, and Confluence

If you're suitable for this role, you have:

• Bachelor's degree in aerospace engineering, Electrical Engineering, Physics, or related technical field (Master's or PhD preferred)
• Active Top Secret SCI with CI Poly or the ability to get a CI Poly after hire
• 10+ years of experience in aerospace, space systems, or defense programs
• Demonstrated experience across the full system lifecycle (requirements, design, integration, test, and operations)
• Strong background in space-based ISR systems, radar systems, or RF payloads
• Experience with one or more of the following:
  • Radar system design or radar signal processing
  • RF payload development and production testing
  • Performance modeling and estimation (e.g., detection, tracking, coverage)
  • Mission data processing or ground system architectures
• Experience with Model-Based Systems Engineering (MBSE) and SysML tools (e.g., Cameo/MagicDraw)
• Ability to assess contractor technical performance and provide independent recommendations
• Strong written and verbal communication skills, including experience briefing senior leadership

Preferred Additional Skills and Qualifications

• Prior experience supporting a government program office (SETA or similar role)
• Familiarity with DoD/IC acquisition processes (JCIDS, DoD 5000 series)
• Experience working with prime contractors and major subcontractors
• Background in:
  • Satellite and payload engineering
  • Communications systems and architectures
  • Crypto integration in space systems
  • Multi-sensor integration and data fusion
• Experience supporting:
  • Integration & test campaigns
  • Launch site operations and readiness reviews
  • Early orbit operations/commissioning
• Proficiency with tools such as:
  • Cameo/MagicDraw
  • Tableau
  • Confluence, Jira, DOORS
  • Python, MATLAB, or similar analytical tools

To learn more about us, check out our website at www.gomomentum.tech!

MOMENTUM is an EEO/M/F/Veteran/Disabled Employer:
We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law.

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The qualifications listed above are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.

Accommodations:
Consistent with the Americans with Disabilities Act (ADA) and Alabama civil rights law, it is the policy of Momentum to provide reasonable accommodation when requested by a qualified applicant or employee with a disability, unless such accommodation would cause an undue hardship. The policy regarding requests for reasonable accommodation applies to all aspects of employment, including the application process. If reasonable accommodation is needed, please include request when applying.