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Sr Principal Mechanical Engineer

Job in Oklahoma City, Oklahoma County, Oklahoma, 73116, USA
Listing for: Northrop Grumman Corp. (AU)
Full Time position
Listed on 2025-12-03
Job specializations:
  • Engineering
    Systems Engineer, Mechanical Engineer
Job Description & How to Apply Below

RELOCATION ASSISTANCE:
No relocation assistance available

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’s Aeronautics Systems Sector is seeking an Senior Principal Mechanical Engineer (Level
4)
to join our team of qualified and diverse individuals in Oklahoma City, OK. You will become part of a Northrop Grumman team of professionals who are actively developing Avionics Testing Solutions and Specialized Test Equipment for the B-2 Stealth Bomber and LGM-35A Sentinel Missile platforms. We also work on and assist with the US Air Force B-1 and B-2 Bombers, E-3 Sentry, Airborne Warning and Control System, 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. The position will research, develop, design, and test electrical components, equipment, systems, and products for defense or commercial systems. This position is located onsite in Oklahoma City, OK and does not provide relocation.

Responsibilities:

  • Design and define system architecture for new or existing complex integrated test systems

  • Coordinates design of subsystems and integration of total systems in a laboratory environment

  • Oversight and ownership of engineering design as well as 2D/3D drawing formats and standards for a wide array of mechanical products including; product details, product assemblies, test bench/bay assemblies and top level installations

  • Development and coordination for internal and customer design reviews for the mechanical and system level designs of our products

  • Development of supporting documentation (operating / user manuals, etc.) for our products

  • Assist in troubleshooting of lab equipment as failures occur

  • Coordination with engineering manager(s) to ensure product technical data packages meet project schedule commitments

  • Coordinate between several internal and external stakeholder groups (Software Development, System Test, Cyber Operations, Procurement, etc.) to achieve contractual commitments

  • Analyze complex mechanical systems and precision electro-mechanical assemblies through simulation or analysis in order to recommend component substitutions or re-design solutions to ensure the integrity of the platform configuration, system safety, and performance specifications

  • Identify, analyze, and solve obsolescence issues

  • Establish milestones and monitor adherence to master plans and schedules

  • Identify program problems and assist in the establishing of solutions, such as allocation of resources, improved processes, or changing contractual specifications

  • Act independently to uncover and resolve issues associated with the development and implementation of programs

  • Support process improvement and establishment

  • Performs functional analysis, timeline analysis, detail trade studies, requirements allocation and interface definition studies to translate customer requirements into hardware and software specifications

  • Generate reports and presents to Government counterparts, defense contractors, and other cross-functional organizations

  • Provide leadership and mentoring in addition to being an individual performer

  • Has technical insight and experience to know if test set-up and results make sense

  • Ability to establish and maintain infrequent inter-organizational and outside customer contacts on routine matters

  • Coordinates with team lead, electrical technicians, and I&T managers to complete tasking. May participate, prepare, and present material in program review boards (PDRs, CDRs, TRRs, FRBs, etc).

Basic Qualifications:

  • Must either have a Bachelor's degree in Mechanical/Aerospace Engineering (or equivalent) with 8 years of related engineering experience; OR a Master’s degree in Mechanical/Aerospace Engineering (or equivalent) with 6 years of related engineering experience; OR a PhD in Mechanical/Aerospace Engineering (or equivalent) with 4 years of related engineering experience

  • Ability to read engineering drawings and specifications

  • Experience with CAD or similar design tools

  • Experience in Aerospace or Defense industry (development or test)

  • Experience leading multi-disciplinary technical teams

  • Ability to…

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