Principal / Sr. Principal RF/Microwave Design Engineer

Company: Northrop Grumman
Location: Oklahoma City
Posted on: April 1, 2026

Job Description:

RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: No 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. Discover careers that change the world and further advancements in defense, technology, and engineering today at Northrop Grumman. Use your experience to grow your career and support our global customers with the technology, systems, and solutions they need to enable their missions on the diversity, respect, and above all teamwork. Together with our group of experts across the technical spectrum, you will discover opportunities to make a difference in our world and start solving some of the world’s most critical problems in the most innovative ways. The Defense Systems Sector is seeking a Principal / Sr Principal RF/Microwave Design Engineer to join our growing team in Oklahoma City, Oklahoma . You will become part of Northrop Grumman’s Integrated Mission Solutions (IMS). IMS provides sustainment support for the US Air Force B-1, KC-135, and numerous other Government platforms. Our team members complete engineering, reverse engineering, and logistics solution efforts to solve complex obsolescence problems and ensure warfighter supportability. Primary responsibilities of this RF Design Engineer will be to support large projects within an Integrated Product Team (IPT) during execution of various program activities, including Test system design and evaluation, design and development of communication, flight controls, navigation, radar, avionics, technical planning, requirements development and tracking, system integration and verification and validation. Responsibilities: Support the development of RF system architectures including block diagrams of hardware design concepts from system requirements, industry standards, and requirements flowed down by systems engineers. Simulate RF systems, subsystems, and circuits using industry standard simulation tools including Keysight Advanced Design System (ADS) and Cadence Microwave Office (MWO). Modeling of system level functions using Matlab or other modeling tools for analysis prior to hardware implementation. Test and troubleshoot prototype and production hardware in the lab using RF, analog, and digital test equipment. Work closely with software and hardware team in developing and testing control software for RF circuits and subsystems. This position may be filled at either Principal or Sr. Principal RF Microwave Design Engineer level. Basic Qualifications for Principal Level: Must have one of the following: Bachelor’s degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline with a minimum of 5 years of relevant RF/microwave engineering experience Master’s degree in a STEM discipline with a minimum of 3 years of relevant engineering experience with Masters Candidate must have experience with RF systems Candidate should have experience testing antennas and antenna arrays including evaluating antenna parameters and patterns Proven knowledge of electrical engineering design software and equipment Candidate must have solid written and verbal skills to effectively interact with Government counterparts, other defense contractor organizations, and other cross-functional organizations Experience with Electronic troubleshooting from component to assembly levels Ability to obtain and maintain a DoD Security Clearance Basic Qualifications for Sr. Principal Level: Must have one of the following: Bachelor’s degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline with a minimum of 9 years of relevant RF/microwave engineering experience Master’s degree in a STEM discipline with a minimum of 7 years of relevant engineering experience with Masters A PhD degree in a STEM discipline with a minimum of 4 years ofdngineering experience Candidate must have experience testing antennas and/or antenna arrays Candidate must have experience with testing and evaluating antenna parameters and patterns Proven knowledge of electrical engineering design software and equipment Ability to obtain and maintain a DoD Security Clearance Preferred Qualifications: Experience in military, government, commercial aerospace industry (e.g. aviation/equipment maintenance, aircraft operations, or commercial industrial technology companies) Experienced with the design, analysis and architecture of Passive Antenna Array systems Experience with the use of RF test equipment like spectrum analyzers, network analyzers and waveform generators Experience with cable management and cable assembly requirements for RF and fiber optic applications Experienced developing technical data packages and documentation supporting HW baselines via engineering drawings Familiarity with RF and mixed signal printed circuit board and circuit card assembly level design Familiarity with RF budgeting, frequency planning, RF chain analysis and modeling, schematic capture, electromagnetic simulation, signal integrity analysis Primary Level Salary Range: $90,300.00 - $135,500.00 Secondary Level Salary Range: $112,400.00 - $168,600.00 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.

Keywords: Northrop Grumman, Midwest City , Principal / Sr. Principal RF/Microwave Design Engineer, Engineering , Oklahoma City, Oklahoma