Principal / Sr Principal Engineer Systems
Northrop Grumman
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Oklahoma City, OK · Posted September 29, 2026
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Where Oklahoma City, OK ranks
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November 2026
- #6Best cities for entry-level jobs that want AI skills in the Southwest8% · of 39
- #10Cities with the most jobs that need no experience in the Southwest1.6% · of 43
- #11Best all-round cities for mid-career professionals in the Southwest37 / 100 · of 15
- #11Best all-round cities for remote workers in the Southwest41 / 100 · of 15
- #12Best cities for pay after cost of living in the Southwest$123k · of 15
- #12Best all-round cities for AI careers in the Southwest25 / 100 · of 15
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
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Among computer occupations, all other, AI is already used for a large share of the tasks. Measured exposure for computer occupations, all other: 31% (high).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
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About the job
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.
Northrop Grumman Aeronautics Systems has an opening for a Principal / Sr. Principal Systems Engineer to join our team of qualified, diverse individuals. This position will be located in Oklahoma City, OK .
The Systems Engineer will be responsible for coordination and collaboration with diverse engineering design teams to provide imaginative, technical solutions to a wide range of challenging problems in the design, analysis, integration, and verification of the radar subsystem. The engineer will support establishing and managing the technical baseline in support of program review milestones and flight test. The position requires systems thinking and working knowledge of the full development life-cycle processes that acknowledge technical, schedule, and cost constraints. The candidate must exhibit strong leadership characteristics in coordinating with multiple teams and managing tasks.
This position may be filled at the Principal or Sr. Principal Systems Engineer level. This position is contingent upon verification of DoD Secret clearance and obtainment of Special Access Program (SAP) clearance.
Basic Qualifications:
Principal Systems Engineer (T3): 5 years of experience with a STEM Bachelor’s degree in Systems Engineering or a related field; or
3 years of experience with a STEM Master’s degree in Systems Engineering or a related field.
Sr. Principal Systems Engineer (T4): 9 years of experience with a STEM Bachelor’s degree in Systems Engineering or a related field; or
7 years of experience with a STEM Master’s degree in Systems Engineering or a related field.
Active DoD Secret security clearance with a background investigation date within 6 years.
Must have the ability to obtain and maintain Special Access Program (SAP) clearance.
Preferred Qualifications:
Engineering degree in Electrical Engineering, Aerospace Engineering, Mechanical Engineering, or Engineering Physics ; advanced degree (Master’s or PhD) preferred.
Experience working on airborne military radar systems including performance analysis, mode development, and integration onto flight platforms.
Experience in developing, managing, and decomposing radar system and subsystem requirements, including allocation to hardware, software, and firmware.
Experience in radar system architecture and CONOPS development, including trade studies and end-to-end performance modeling.
Experience with model-based systems engineering (MBSE) , using SysML and tools such as Cameo or similar.
Experience in interface control document (ICD) development and integration for airborne platforms (sensor, avionics, and mission systems interfaces).
Proficiency with radar signal processing concepts (waveform design, pulse compression, Doppler processing, CFAR, beamforming) and tools such as MATLAB/Simulink or Python for analysis and simulation.
Understanding of RF systems, antennas, and propagation, including radar range equation and link budget analysis.
Demonstrated communication and technical writing skills, including the ability to brief technical presentations to internal and external stakeholders.
Experience with DOORS (or equivalent requirements management tool), Confluence , and JIRA .
Scripting or software experience (e.g., MATLAB, Python, or similar) to support analysis, automation, and data analysis.
Experience working in agile development environments and collaborating across multi-disciplinary teams (hardware, software, integration and test).
Primary Level Salary Range: $93,000.00 - $174,500.00
Secondary Level Salary Range: $0.00 - $0.00
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. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.