Sr Principal Mechanical Engineer - 18290
$98.9k - $148.3kNorthrop Grumman
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. ***This position is contingent on contract award*** The ideal candidate is a team player; but also, a strong independent contributor with strong leadership skills, demonstrated problem-solving skills, excellent communication skills, as well as interpersonal and organizational skills and a proactive, detail-oriented approach. Primary responsibilities for this position include, but are not limited to: • Provide technical contributions for conceptual and preliminary design and technology maturation of new advanced concepts for future deterrence needs in the areas of cruise missiles and support systems/subsystems. • Develop design concepts for launcher capsule and provide technical oversight for avionics and airframe design, with an emphasis on minimizing impacts to Navy operations and re-use of existing launch systems. • Contribute to trade studies, architecture development, and system engineering, including producibility and affordability design influence, to produce credible conceptual and preliminary weapon system designs that meet potential customers' performance, cost, schedule, and risk thresholds while informing them of the surrounding design space for capability considerations, especially capability versus life cycle and cost versus technical availability date. • Demonstrate a commitment to ethics and integrity, and the capability to innovate while challenging traditional ways of doing business • Operate in an advanced design environment and collaborate across Suppliers as required to accomplish the team goals • Transition innovative solutions, technologies, and advanced concepts for US strategic deterrence interests to programs of record for product development and fielding. • Evaluate mechanical systems, products, components, and applications by reviewing designs. • Ensure product quality by reviewing mechanical designs and validating that current standards are applied. • Support the delivery of Mechanical Systems design Technical Data Packages, interface models, and additional design artifacts • Support structured trade studies to evaluate alternative design solutions to resolve technical issues • Develop and present design change requests, coordinating with impacted internal and external stakeholders, ensuring configuration control of the technical baseline. • Identify risks and opportunities associated with or driven by design factors and executing handling/mitigation/capture actions to reduce risk or realize opportunities. • Develop and mature Mechanical System designs that meet Weapon System requirements, UFC, MIL-STD, and other applicable codes and regulations. This position may be filled as a Principal (level 3) or Sr Principal (level 4) depending on experience and qualifications Basic Qualifications: Bachelor's degree in Mechanical Engineering or related STEM field Minimum of 5 years (level 3) or 8 years (level 4) of relevant experience Must be a U.S. Citizen Active Secret clearance, at time of application, current and within scope, with an investigation date within the last 6 years Must have the 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 needs Demonstrated expertise in electrical design/analysis, MBSE, and specification ownership; proficient with Siemens NX (or equivalent) and other electrical CAD tools. Proven experience leading engineering teams, managing high-value technical projects, and delivering comprehensive Earned Value reporting. Preferred Qualifications: Active DoD Top Secret Clearance. Prior experience on ICBM weapon-system or other high-performance aerospace programs. Strong oral and written communication skills with a track record of high-value customer presentations and multitasking across competing priorities. Broad knowledge of related engineering disciplines (e.g., safety, nuclear surety, material science, logistics, cyber) and experience managing subcontractors and statement-of-work execution. Experience applying Agile processes and continuous-process-improvement techniques to complex, cross-disciplinary projects. Proficient with 3D design/2D drawing CAD in NX Proficient with PDM and/or CPLM Proficient with GD&T and ASME Y14.5-2009 Primary Level Salary Range: $98,900.00 - $148,300.00 Secondary Level Salary Range: $123,400.00 - $185,000.00 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 U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions. Existing Applicants: Need to update your contact information or email address? Once logged in, click on Candidate Home in the upper right corner and scroll to the bottom of that screen to see buttons for: Update Contact information to update your legal name, address, and phone number Edit Account Settings to edit your email address We are a pioneering company. With careers across all areas: air, cyber, land, sea and space – our 90,000 employees work as one to defend and define the future. Northrop Grumman careers and internships are as varied as your interests, with a lifetime of potential that will give you every opportunity to do your best work. Working together with people from many backgrounds, personal passions and disciplines, we share a drive to push the boundaries of science, technology and engineering to meet the ever evolving needs of our customers worldwide.
$132.4k - $251.6k
...Posted: 2026-04-09 • Country: United States of America • Location: Huntsville, AL (315 Bob Heath Dr) • Position: Senior Principal Mechanical Design Engineer – Onsite Requirements: U.S. citizen with a valid DoD Secret clearance and the ability to obtain and maintain this...SeniorTemporary workWork at officeRelocation packageFlexible hours$132.4k - $251.6k
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