[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 · United States-Alabama-Huntsville # Principal Engineer Systems - AHT United States-Alabama-Huntsville Full-time Senior individual contributor $108,800.00 - $163,200.00 Operations Listed on Northrop Grumman’s official careers site. Posted October 8, 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-Alabama-Huntsville/Principal-Engineer-Systems---AHT_R10254908) [OpenNash Jobs](https://jobs.opennash.com/) / [Northrop Grumman](https://jobs.opennash.com/companies/northrop-grumman/) / Principal Engineer Systems - AHT ## Job description ### RELOCATION ASSISTANCE Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% 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. ### Job 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 employees are not only part of history, they're making history. ​Northrop Grumman Defense Systems (NGDS) is seeking Principal Systems to join our team. The preferred candidate will be responsible for developing, analyzing, and managing systems requirements throughout the engineering lifecycle. Applying Model-Based Systems Engineering (MBSE) practices to develop and maintain system architectures and models. Performing functional analysis, requirements allocation, interface definition, and system-level trade studies. Translating customer and program requirements into system specifications and technical solutions. Supporting systems integration, verification, and validation activities. Coordinating with software, hardware, test, and specialty engineering teams to resolve technical issues. Developing and maintaining technical documentation, architecture products, interface definitions, and engineering artifacts. Participating in technical reviews and communicating engineering solutions to program leadership and customers. Providing technical guidance and mentoring to other systems engineers. Supporting IBCS and integrated air and Missile defense (IAMD) capabilities, including the integration of sensors, effectors, command-and-control systems, and associated interfaces. ### Basic Qualifications Principal Engineer Systems (Level 3): - 5 years with Bachelors in Science; 3 Years with Masters; 1 Year with PhD Proficiency in Requirements Engineering and MBSE Experience with Cameo or MagicDraw - Ability to understand system interface documentation, interconnect diagrams, and military standards Experience with Requirements Impact Assessments, Change - Requests, and Engineering Change Proposals Active Secret Security Clearance Preferred qualifications: IAMD/C2 experience Understanding of weapons, sensors, distributed computing, and command-and-control architecture Understanding how those systems affect requirements and interfaces Systems engineering experience in Agile environments Integrated Battle Command System (IBCS) /Link-16 experience - Familiarity with PATRIOT, Sentinel, G/ATOR, or similar weapons sensor systems Primary Level Salary Range: $108,800.00 - $163,200.00 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: Oct 8, 2026 - First seen by OpenNash: Oct 11, 2026 - Last checked: Oct 18, 2026 - Listed for: 10 days - Location: United States-Alabama-Huntsville - Employment type: Full-time - Pay: $108,800.00 - $163,200.00[Apply on Northrop Grumman’s careers site →](https://ngc.wd1.myworkdayjobs.com/Northrop_Grumman_External_Site/job/United-States-Alabama-Huntsville/Principal-Engineer-Systems---AHT_R10254908) ## More jobs at Northrop Grumman ### [Advanced Programs - Staff Test Engineer - 18266](https://jobs.opennash.com/companies/northrop-grumman/jobs/027ef018dc9470c2e0ca/) United States-Alabama-Huntsville ### [Electrical Engineer - Level 2 or 3 (AHT)](https://jobs.opennash.com/companies/northrop-grumman/jobs/a8d7381add1834c56dc8/) United States-Alabama-Huntsville ### [Electrical Engineer Level 2](https://jobs.opennash.com/companies/northrop-grumman/jobs/4ff34b9adf45ea09634a/) United States-Alabama-Huntsville ### [Engineer Systems IBCS Poland (NAREW)](https://jobs.opennash.com/companies/northrop-grumman/jobs/5f0779341a16f8db5084/) United States-Alabama-Huntsville ### [Engineer Systems/Principal Engineer Systems-AHT](https://jobs.opennash.com/companies/northrop-grumman/jobs/733c70950c03eabf6398/) United States-Alabama-Huntsville ## Similar jobs at other companies ### [Systems Engineer Principal – Lead Systems Engineer - Sign On Bonus](https://jobs.opennash.com/companies/bae-systems/jobs/657e2c9d99a45a32a818/) BAE Systems · Boulder, Colorado, United States ### [Systems Engineer Sr Principal – Chief Systems Engineer - Sign On Bonus](https://jobs.opennash.com/companies/bae-systems/jobs/500ef082f8a4f129959e/) BAE Systems · Boulder, Colorado, United States ### [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 ### [Principal Software Engineer, Distributed Systems](https://jobs.opennash.com/companies/microsoft/jobs/1b16c6498ece67525f6f/) Microsoft · United States, Washington, Redmond OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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