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Sr Principal Mechanical Engineer

3 days ago Oklahoma City, OK

RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE TYPE: SecretTRAVEL: 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.

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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 obtain/maintain program access to work on-site in Oklahoma City, Oklahoma. No relocation provided

Ability to diagnose/troubleshoot/repair hardware components.

Must have the ability to obtain and maintain a DoD Secret clearance within a reasonable amount of time as determined by business needs

Preferred Qualifications:

Active DoD SECRET or higher security clearance with investigation in the last five (5) years

Active Program clearance

Master's Degree in Mechanical/Aerospace Engineering

Experience in Additive Manufacturing or 3D-Print design & technologies

Experience in an Agile development environment

Experience in Instrumentation or Avionics Systems

Experience with any of the following CAD Software Tools and Data Management Products: CATIA, SolidWorks Mechanical/PDM, Siemens NX/Capital, Enovia SmarTeam, Team Center, Ansys, Femap/Nastran/Patran

Experience in Power Distribution Systems and HW/SW Integration

Experience in Nuclear Surety and Manufacturing Engineering

Experience with AS9100, ASME, and ISO Standards implementation in an Agile development environment

Experience with any of the following CAD Software Tools and Data Management Products: CATIA, SolidWorks Mechanical/PDM, Siemens NX/Capital, Enovia SmarTeam, Team Center, Ansys, Femap/Nastran/Patran

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Primary Level Salary Range: $102,200.00 - $153,200.00The 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.

Client-provided location(s): Oklahoma City, OK
Job ID: NorthropGrumman-R10208997
Employment Type: OTHER
Posted: 2025-09-25T20:11:17

Perks and Benefits

  • Health and Wellness

    • Health Insurance
    • Dental Insurance
    • Vision Insurance
    • Life Insurance
    • Short-Term Disability
    • Long-Term Disability
    • HSA
    • HSA With Employer Contribution
    • On-Site Gym
    • Pet Insurance
    • Mental Health Benefits
    • Virtual Fitness Classes
  • Parental Benefits

    • Birth Parent or Maternity Leave
    • Non-Birth Parent or Paternity Leave
    • Fertility Benefits
    • Adoption Assistance Program
    • Family Support Resources
    • Adoption Leave
  • Work Flexibility

    • Flexible Work Hours
    • Remote Work Opportunities
    • Hybrid Work Opportunities
    • Four-Day Work Week
  • Office Life and Perks

    • Commuter Benefits Program
    • Company Outings
    • On-Site Cafeteria
    • Holiday Events
  • Vacation and Time Off

    • Paid Vacation
    • Paid Holidays
    • Sabbatical
    • Leave of Absence
  • Financial and Retirement

    • 401(K)
    • 401(K) With Company Matching
    • Performance Bonus
    • Relocation Assistance
    • Financial Counseling
    • Profit Sharing
  • Professional Development

    • Tuition Reimbursement
    • Promote From Within
    • Mentor Program
    • Shadowing Opportunities
    • Access to Online Courses
    • Lunch and Learns
    • Internship Program
    • Leadership Training Program
    • Associate or Rotational Training Program
  • Diversity and Inclusion

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