Overview 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 supports GPS enterprise evolution under SSC/GSIS, integrating space, ground, and user segment capabilities for resilient PNT. Role/Responsibilities/Qualifications Support mission operations integration and readiness for GPS IIIF, including SoS integration, test, and transition to operations. Coordinate plans, risks, and reviews with government and contractor teams. In this position, the ideal candidate will: • Perform SoS integration and end-to-end test planning for space/ground/user elements • Support mission readiness planning: operational test, acceptance, and transition to Ops • Develop integrated plans/schedules and decision briefings; manage risks and actions • Participate in cross-functional SE&I activities; coordinate with stakeholders • Contribute to launch planning/execution and on-orbit operations as applicable Required Qualifications: • 10+ years in space systems engineering, integration, and testing • 10+ years in system-of-systems integration and integrated testing (space/ground/user) • Experience with operational test, operational acceptance, and transition-to-Ops planning • Confluence/Jira familiarity; strong communication and teamwork • Bachelor’s in Engineering, Math, Physics, or CS Desired Qualifications: • 15+ years in SV SEI&T; launch and satellite ops experience • Broad SE/PM exposure across multiple lifecycle phases • Knowledge of DoD acquisition milestones, SE/test/production policies and practices • Knowledge of GPS space/ground/user segments • Strong writing and interpersonal communication; TS clearance; Master’s degree • PMP/ESEP/CSEP/OCSMP certifications Tools & Collaboration: • Jira/Confluence; standard SE&I toolsets; mission ops planning tools as applicable Security Clearance & Other Requirements: • Secret clearance required; TS preferred Location: This position is located in El Segundo, CA • Travel expected <10% Compensation: The typical annual salary range for this position is approximately, USD $145,000 - $180,000. Individual pay is determined by many factors including work location, job-related skills, experience, and relevant education or training. In addition to base salary, this position is eligible for a comprehensive total rewards package that includes an annual performance bonus, an employer-funded Profit-Sharing Plan (PSP) contribution based on base compensation, and comprehensive employer-paid medical benefits, PTO pay-out options, along with additional company-sponsored benefits. All of these benefits represent an additional 30-40% to your base compensation for a total compensation package. Deliverable(s) This is a chance to directly influence how GPS evolves for the future – working across spacecraft, ground systems, and user equipment to deliver mission-ready capability that the entire world relies on every day.