Satellite Science & Technology Engineer

Stellar Solutions • El Segundo, CA

90d • $135,000 - $155,000

About The Position

Stellar Solutions, a nationally recognized “Great Place To Work”, has exciting opportunities providing Engineering solutions for innovative new-entrant space companies, as well as established space systems manufacturers, commercial space system operators and service providers, and other industry stakeholders including investors. At Stellar Solutions, we offer talented, energetic, and immediately productive resources to satisfy our customers’ critical needs in systems engineering and integration, mission operations, program management and strategic planning. We are a leading service and expertise provider for high-tech commercial ventures, spanning communications, earth observation and remote sensing systems and data products, to the infrastructures that support earth orbiting and beyond earth orbit businesses. Stellar Solutions is seeking a Science & Technology (S&T) Engineer focused on next-generation military satellite systems, waveforms, and resilient PNT/communications. This role bridges advanced research with operational programs, ensuring the maturation and transition of cutting-edge technologies into mission capabilities.

Requirements

• 5+ years GPS and/or military communications satellite (COMSAT) design, operations, or usage.
• 2+ years pursuing and executing DoD S&T funding (SBIR/STTR/AFRL/ONR/DARPA).
• 2+ years in DoD budgeting, congressional funding, or acquisition.
• Technical breadth across RF, semiconductors, microprocessors, software, buses, and rad‑hard; experience with test/qualification to flight.
• Detailed knowledge of GPS/MILCOM waveforms; familiarity with LEO constellation operations and security.
• Working knowledge of modern/legacy cryptography in satellite waveforms, orbits, and user contexts.
• Experience in PNT/COMMS EW defense; satellite ground/control operations.
• Strong analysis, presentation, and communication skills.

Nice To Haves

• Artificial intelligence/machine learning (AI/ML) for satellite applications; deeper COMMS networks & satellites; GPS ground and Precise Positioning Service (PPS); EW depth.
• Chinese‑to‑English technical reading ability.

Responsibilities

• Shape and execute Science & Technology (S&T) pursuits (e.g., Small Business Innovation Research/Small Business Technology Transfer (SBIR/STTR), Air Force Research Laboratory (AFRL), Office of Naval Research (ONR), Defense Advanced Research Projects Agency (DARPA)); manage budgets and acquisition activities.
• Provide technical depth across radio frequency (RF), semiconductors, microprocessors, software, spacecraft buses, and radiation‑hardened design; guide test/qualification to flight.
• Engineer and assess Global Positioning System (GPS) and military communications (MILCOM) waveforms (narrowband/wideband/tactical/strategic); apply cryptography appropriately.
• Analyze Low Earth Orbit (LEO) mega‑constellation operations (density, control, waveforms, security).
• Strengthen PNT/COMMS electronic warfare (EW) resilience and satellite ground/control operations.
• Present findings to senior military/civilian leaders; resolve complex technical issues.

Benefits

• Discretionary annual performance bonus
• Retirement plan
• Other benefits

What This Job Offers

• Education Level: Bachelor's degree
• Number of Employees: 51-100 employees