Flight Systems Sr Principal Mechanical Engineer (Secret Clearance) - 19027
Northrop Grumman
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Roy, UT · Posted October 22, 2026
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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.
The Flight Systems Futures team executes the design and development, procurement/manufacturing, and integration & test of novel flight systems across a broad spectrum of applications.
Specific duties to include, but are not limited to the following:
Lead a small team of design engineers from conceptual design to final design for a space based vehicle. Overseeing the execution of mechanical design and PDP generation to procure, manufacture, and assemble the vehicle.
Attending internal program, customer and/or supplier technical exchange meetings
Support formal program milestone reviews to provide and/or obtain progress status updates.
Working in a fast-paced work environment with high expectations, significantly diverse assignments, and collaborative/team settings across all levels.
Ensure appropriate coordination between electrical design and other integration teams.
Coordinate electrical system engineering content and work products.
Develop Product Definition Packages (PDPs)/Analysis Data Packages (ADPs) and take them through the full review and release process.
Review engineering deliverables such as MBOMs, part data sheets, mechanical ICDs, specifications, mechanical analysis and trade studies.
May perform research, trade studies, evaluation, and systems integration analyses for SWaP and mass properties.
Possess strong interpersonal skills to work effectively to understand system level interdependencies that impact electrical requirements and design constraints. Demonstrate leadership principles – Integrity, respect, organizational, communication etc.
Basic Qualifications:
Bachelor's degree in Mechanical Engineering or related STEM
Minimum of 8 years of relevant experience
Must have an active Secret clearance at time of application
Ability to obtain and maintain Special Access Program (SAP) approval within a reasonable period of time, as determined by the company to meet its business need
5+ years of experience with CAD modeling (Siemens NX preferred)
Familiar with common engineering standards (ISO, ASME, Mil Spec, NAS, etc.)
Ability to operate independently with minimal supervision, function in a dynamic environment, and be flexible to changing direction
Proficient written and verbal communication skills when conveying technical content
Knowledge of GD&T, materials selection, and manufacturing processes
Must have 2+ years of experience leading Mechanical Engineering and/or technical teams
Must have mechanical design experience for hypersonic systems, flight systems, and/or missiles
Must have experience with systems packaging, sizing, and weight tradeoffs and analysis
Preferred Qualifications:
Experience with Flight test vehicle proto-qualification
Experience with mechanical ICD development with vendors
Experience with Team Center (CPLM) and the Product Definition Package (PDP) release process
Experience with the ASME Y14.X suite of engineering drawing standards
Experience with requirements management and model-based systems engineering (MBSE) principles
Experience performing dynamic and static analysis (NX Motion or ANSYS preferred)
Primary Level Salary Range: $111,700.00 - $167,500.00
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.