Systems Integration/Test Engineer Stf - E4

Overview Envisioned as a senior SI&T engineer for Lockheed Martin Space, you lead verification and validation of GNSS/SBAS solutions to deliver reliable navigation capabilities for commercial customers. You work across software, hardware, RF, and operations teams to ensure secure, high-assurance integration and testing. Your work shapes system-level performance, risk management, and customer-facing technical outcomes. This role offers impact at scale within a mission-driven space program. Compensation / BenefitsMedicalDentalVisionFlexible work arrangements401(k) matchPaid time off ResponsibilitiesLead system integration and test efforts for GNSS/SBAS hardware and softwareDevelop and implement system design, cybersecurity requirements, and test plansCoordinate cross-disciplinary teams (software, hardware, RF, electrical, mission operations) to resolve integration issuesMentor junior engineers and serve as GNSS/SBAS subject matter expertCommunicate status, risks, and technical findings to customers, suppliers, and subcontractorsPlan, execute, and document test plans and procedures; analyze results and generate evaluation reportsWrite discrepancy reports and perform regression testing on fixes to software/components/subsystems Key requirementsExpert GNSS/PNT or SBAS domain experienceTerrestrial and satellite networking experienceExperience with Safety of Life processesRequirements verification and Test planning (V&V), test procedure development and executionWillingness to travel to AU and NZ sites (approx. 25%)Cybersecurity knowledge – design for security and hardeningStrong written and verbal communication in a global teamStrong documentation skills (subsystem network design documents, test plans, procedures)Strong communicationCross-functional collaborationMentorship and subject-matter expertiseGNSS/PNT or SBAS domain expertiseTerrestrial and satellite networkingSafety of Life processes