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# GPS IIIF - Mission Operations & Integration Systems Engineer - SSC GSIS

- **Company:** Stellar Solutions
- **Location:** El Segundo, CA, United States
- **Salary:** $145,000 - $180,000
- **Contract:** Permanent contract
- **Skills:** Confluence, JIRA, Global Positioning Systems (GPS), Systems Integration, SC Clearance, Integration Tests
- **Published:** October 20, 2026
- **Apply:** https://jobs.localjobnetwork.com/apply/add/85368936/1

## About the Role

* 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

## Description

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