[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Northrop Grumman jobs](https://jobs.opennash.com/companies/northrop-grumman/) · [Search jobs](/search/) Northrop Grumman # Principal / Sr Principal Systems Test Engineer United States-California-Palmdale Full-time Senior individual contributor $103,600.00 - $155,400.00 Operations Listed on Northrop Grumman’s official careers site. Posted September 23, 2026. Check that it is still open and apply there. [Apply on Northrop Grumman’s careers site →](https://ngc.wd1.myworkdayjobs.com/Northrop_Grumman_External_Site/job/United-States-California-Palmdale/Principal---Sr-Principal-Systems-Test-Engineer_R10242973) [OpenNash Jobs](https://jobs.opennash.com/) / [Northrop Grumman](https://jobs.opennash.com/companies/northrop-grumman/) / Principal / Sr Principal Systems Test Engineer ## Job description ### RELOCATION ASSISTANCE Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 25% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history. Northrop Grumman Aeronautics Systems has an opening for Principal/Sr Principal Systems Test Engineer to join our team of qualified, diverse individuals within our Test and Evaluation organization. This position will be in Palmdale, CA. We are seeking a high-energy, detail-oriented Systems Test Engineer to join our production test team as a lead. In this role, you will serve as the subject matter expert for aircraft systems, ensuring testing is executed safely, efficiently, and to the highest technical standards. This unique position requires proficiency across electrical, RF, mechanical, hydraulic, and pneumatic disciplines, with the ability to transition seamlessly between these functions. You will bridge the gap between systems engineers and the production execution team, guiding the test lifecycle from initial planning through final data evaluation. As a lead, you will manage a small team of junior engineers and establish a structured mentorship and knowledge-sharing cadence. Your goal will be to bridge the gap between the technician and engineer workforces. The primary job responsibilities and skills include, but are not limited to the following: Test Development: Contribute to the creation of acceptance test plans (ATP), test schedules, and detailed integration test procedures. ### Coordination & Approvals Host test planning working groups and coordinate technical reviews to move ATPs through the formal approval process. ### Readiness & Execution Lead Test Readiness Reviews (TRR) prior to execution. Provide real-time support during testing, making critical decisions regarding safety and effectiveness. ### Subject Matter Expertise Act as the technical expert for aircraft systems. Create educational content for execution staff to improve troubleshooting and system awareness. ### Collaboration Interface with design and analysis teams to define test data requirements. Coordinate personnel and equipment to ensure seamless execution. ### Post-Test Analysis Participate in post-test data evaluations and resolve technical discrepancies. ### Technical Proficiency Ability to work under general direction to develop creative solutions for complex engineering problems. ### Communication Outstanding written and oral communication skills for interfacing with internal stakeholders and external organizations. ### Adaptability Self-motivated and willing to learn additional engineering disciplines as required. ### Teamwork Proven ability to work effectively both independently and within a collaborative team environment. ### Flexibility Willingness to work extended shifts, weekends, and holidays to meet critical program milestones. ### Work Environment This position requires a thorough and detailed approach to work. The candidate must be comfortable in a fast-paced production environment where safety and schedule adherence are top priorities. Selected Candidate must be able to work multiple shifts such as: 4x10A schedule (Mon-Thurs) 1st or 2nd or 3rd shift 4x10B schedule (Tue-Fri) 1st or 2nd or 3rd shift 3x10 schedule (Fri, Sa, Su) 1st or 2nd or 3rd shifts "This requisition may be filled at a higher grade based on qualifications listed below" ### Basic Qualifications This position can be filled at either a Principal or Sr Principal Systems Test Engineer level. Principal Systems Test Engineer: Bachelor’s in Science, Technology, Engineering or Math (STEM Degree). - Minimum of 5 years of related experience with a BS Degree or 3 Years with MS Degree or 2 years with a Ph.D. in STEM Experience in a system test environment - Must have an active U.S. government Secret or higher clearance (with a background investigation completed within the last - 6 years or currently enrolled into Continuous Evaluation) - Must have ability to obtain and maintain Program Access (PAR) within a reasonable period, as determined by the company to meet its business needs - Proficiency with Mechanical or Electrical or Electromechanical Engineering concepts. Must be able to work multiple shifts depending on program need and have ability and willingness to work non-standard shifts/overtime. Proficient with MS Office applications including Excel, Word, and/or Power Point. Sr Principal Systems Test Engineer: Bachelor’s in Science, Technology, Engineering or Math (STEM Degree). - Minimum of 8 years of related experience with a BS Degree or 6 Years with MS Degree or 4 years with a Ph.D. in STEM Experience in a system test environment ### Preferred Qualifications Current Program SAP Access Active U.S. government Top Secret clearance - Demonstrated expertise in test planning, execution, and troubleshooting for production and flight tests, including the development of clear, structured ATPs and detailed technical reports Experienced user in Visio, AutoCAD or CATIA or NX Solid understanding of electrical, RF and microwave fundamentals - Ability to perform root-cause analysis and troubleshoot complex hardware/software issues down to the component level. ### Primary Level Salary Range $103,600.00 - $155,400.00 Secondary Level Salary Range: $129,300.00 - $193,900.00 The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business. The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit [http://www.northropgrumman.com/EEO](http://www.northropgrumman.com/EEO). U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions. ## At a glance - Posted by the employer: Sep 23, 2026 - First seen by OpenNash: Aug 21, 2026 - Last checked: Oct 18, 2026 - Listed for: 58 days - Location: United States-California-Palmdale - Employment type: Full-time - Pay: $103,600.00 - $155,400.00[Apply on Northrop Grumman’s careers site →](https://ngc.wd1.myworkdayjobs.com/Northrop_Grumman_External_Site/job/United-States-California-Palmdale/Principal---Sr-Principal-Systems-Test-Engineer_R10242973) ## More jobs at Northrop Grumman ### [2026 Associate Industrial Engineer/Industrial Engineer](https://jobs.opennash.com/companies/northrop-grumman/jobs/03b0ce6141c735c4095e/) United States-California-Palmdale ### [Aeronautical Engineer / Principal Aeronautical Engineer - Fluid Systems](https://jobs.opennash.com/companies/northrop-grumman/jobs/45d663d77ba5342ef391/) United States-California-Palmdale ### [Aeronautical Engineer/Principal Aeronautical Engineer​ (2nd shift)](https://jobs.opennash.com/companies/northrop-grumman/jobs/c8a1208cd3ea8ec84e50/) United States-California-Palmdale ### [Aeronautics Engineer – Responsible RE](https://jobs.opennash.com/companies/northrop-grumman/jobs/460673f7def9080ca3a5/) United States-California-Palmdale ### [Electronic Warfare (EW) Engineer/ Principal Electronic Warfare (EW) Engineer](https://jobs.opennash.com/companies/northrop-grumman/jobs/edce7f27658912f7d9b5/) United States-California-Palmdale ## Similar jobs at other companies ### [Senior Principal Systems Engineer - Integration & Test Lead](https://jobs.opennash.com/companies/bae-systems/jobs/d39ed849c9fa84c7ee6b/) BAE Systems · Hudson, New Hampshire, United States ### [Senior Principal Test Engineer](https://jobs.opennash.com/companies/bae-systems/jobs/c9f6847fbabca35b6453/) BAE Systems · Nashua, New Hampshire, United States ### [Principal Radar Systems Architect](https://jobs.opennash.com/companies/lockheed-martin/jobs/3110ad621e0460909baf/) Lockheed Martin · Moorestown, NJ ### [Principal Quantum Engineer - Quantum Systems](https://jobs.opennash.com/companies/microsoft/jobs/b53b78e06278418a90ae/) Microsoft · United States, Washington, Redmond ### [Systems Engineer, Principal - Survivability & Nuclear Hardness](https://jobs.opennash.com/companies/lockheed-martin/jobs/af4801ff6b18729abfac/) Lockheed Martin · Littleton, CO OpenNash lists jobs from employers’ own careers sites and does not handle applications. Dates come from the employer where stated; “first seen” and “last checked” are our own observations. OpenNash Jobs · Official listings with dates and links to the employer. [Weekly hiring report](/reports/hiring/) · [Methodology](/methodology/)