Satellite Science & Technology Engineer

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. The ideal candidate will also:

• 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.

Required skills:

• 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.

Additional desired qualities and compentencies:

• 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

Clearance & additional requirements: 

• Clearance: Secret (TS/SCI preferred)
• Education: Bachelor’s in Engineering degree; Master's desired.
• Ability to travel up to 25% of the time

Location

This position is (Hybrid), on site in El Segundo, CA 

The typical salary range for this position is USD $135,000 - $155,000 per year. Individual pay is determined by many factors including work location, job-related skills, experience, and relevant education or training. This position is also eligible for a discretionary annual performance bonus, retirement plan and other benefits (all in addition to salary).

Deliverables will be in the format of reports, briefings, spreadsheets, or other documents as directed by the Government, using government approved and/or mandated systems/software and processes governed by guidance/instructions/policy or direction.