> Markdown version of [/jobs/ext/3868236-systems-engineer-level-4-aht](https://www.wearedevelopers.com/jobs/ext/3868236-systems-engineer-level-4-aht). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Engineer - Level 4 (AHT) - **Company:** Northrop Grumman - **Location:** Redondo Beach, CA, United States - **Experience:** Experienced - **Salary:** $142,200.0 - $213,400.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, Computer Programming, Python (Programming Language), Linux System Administration, Scripting - **Published:** October 22, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9259931/systems-engineer-level-4-aht ## About the Role This role is for a highly motivated Systems Engineer specializing in orbit analysis and orbit determination., Bachelor's degree in STEM (Science, Technology, Engineering, Math) discipline with 8+ years of engineering experience OR -Master's degree in STEM (Science, Technology, Engineering, Math) discipline with 6+ years of engineering experience OR -PhD in STEM (Science, Technology, Engineering, Math) discipline with 4+ years of engineering experience -Candidate must have active SCI access at time of application and prior to start date OR -Candidate must have an active U.S. Government Top Secret security clearance (or equivalent) at time of application and prior to start date as well as the ability to obtain and maintain active SCI access within a reasonable period of time as determined by the company. Continued employment thereafter will be subject to the candidate's maintenance of the level of clearance and program access required for the position in the future. -Background in aerospace engineering Preferred Qualifications for Systems Engineer - Level 4: -Familiarity with STK and Linux environments -Prior programming/scripting (e.g. Python) experience -Ability to work in a collaborative team environment and enjoys tackling complex engineering challenges -Strong communication and time management skills -Detail-oriented and strong organizational skills -Active U.S. Government Top Secret security clearance (or equivalent) clearance along with active SCI access at time of application and prior to start date *Please be aware that this position is contingent upon the candidate obtaining final clearances and program access(es) within a reasonable period of time as determined by the company. Continued employment thereafter will be subject to maintenance of the level of clearance and program access required for the position in the future.*, Flexible Schedules: for example, the ability to work a 9/80 work schedule, which allows an employee to work a nine-hour day Monday through Thursday and take every other Friday off of work. #LosAngelesSpace #LI-DB1 #SpaceEngJobs #SpaceSysEngJobs #SPEnhancedERAP ## Description *Please be aware that this position is contingent upon the candidate obtaining final clearances and program access(es) within a reasonable period of time as determined by the company. Continued employment thereafter will be subject to maintenance of the level of clearance and program access required for the position in the future.*, Responsible for providing orbit determination, trajectory estimation, mission planning, coverage analysis, and telemetry planning for launch and early on-orbit phases. -Responsible for maneuver planning, conjunction analysis, and collision avoidance operations. -Familiarity with launch and early orbit operations. -Develop orbital analysis and mission planning tools to automate mission planning during on-orbit operations. -Maintain and update the System flight dynamics and STK models. -Perform requirements verification and analysis for orbit and mission coverage requirements. -Work closely with other IPTs to align orbit geometry with early orbit testing and verification plans. -Coordinate with subsystems for maneuver execution and reconstruction.