Northrop Grumman Propulsion Systems and Controls (PS&C) facility in Elkton, Maryland began solid-propellant rocket motor (SRM) operations in 1948. Today, the Elkton PS&C facility designs, develops, and produces solid-propellant propulsion, ordnance and motion controls systems in programs professionally managed for a wide variety of Government and commercial customers. The facility also serves as the hub for offsite engineering and test facilities in Ronkonkoma, NY and Palm Beach Gardens, FL.
Elkton, Maryland is located on the Upper Chesapeake Bay, midway between Philadelphia and Baltimore. Discover charming small towns, parks with miles of trails, specialty and antique shops, award winning restaurants, and inns. You can hike, bike, camp, bird watch, ride horseback, or drop a fishing line. Five rivers, Chesapeake Bay and the C&D Canal can be explored by boat or by land. Experience panoramic views from Turkey Point Lighthouse on a bluff overlooking the Bay, or from the banks of the C&D Canal where ships from around the globe cruise. https://www.ccgov.org/government/tourism
Northrop Grumman is in need of an experienced Principal Propulsion Engineer to work at its Elkton, Maryland facility. The position will be hired into as a Principal Engineer level 3 into the High-Speed Tactical Boosters (HSTB) group working on solid rocket motors.
Job Responsibilities:
- Collaborate with interdisciplinary teams to meet program milestones and customer expectations, with the opportunity to step in to leadership roles and guide the program team
- Work directly with customers to understand requirements and design drivers
- Coordinate a multi‑disciplinary strategy for design, optimization, and analysis to meet mission requirements
- Design SRM assemblies / components (such as cases, nozzles, and propellant grains) with a focus on safety and program requirements
- Complete high‑level performance and sizing calculations on SRM components and assemblies
- Apply engineering principles, industry and company standards, and customer requirements to develop solid‑propellant propulsion systems for launch vehicles, missile systems, and/or space missions
- Produce detailed drawings for component fabrication
- Assist with SRM builds, test execution, and data reduction
- Support testing activities needed to validate designs
Basic Requirements:
- Must have a bachelors degree in STEM and at least 5 years of experience. Will consider those with a Masters degree and 3 years of experience or a PhD and 1 year of experience.
- Must be a US citizen.
- Must be able to obtain a DoD Secret Clearance.
Preferred Qualifications:
Familiarity with:
- Rocketry, Solid Rocket Motors, Aerospace Propulsion Systems, Missiles, Flight Vehicles, and/or Energetics
- Siemens NX and Teamcenter, Computer Aided Design (CAD), Product Lifecycle Management (PLM)
- Mechanical Engineering, Aerospace Engineering, and/or Aeronautical Engineering
- Engineering Design Principles
- Multi-disciplinary Teamwork
- Geometric Dimensioning and Tolerancing (GD&T), ASME Y14.5-2009, Design for Assembly / Manufacturing (DFA/DFM)
- Microsoft Office Suite of products (Word, PowerPoint, Excel, etc.)
- Active DoD Secret Clearance
This position falls under a Federal Explosives License issued by the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) for this location. Candidates hired into this role will be required to complete and submit an Employee Possessor Questionnaire to ATF for approval to be a possessor.
Skills Required
- Bachelor's degree in STEM and at least 5 years of experience OR Master's degree and 3 years OR PhD and 1 year
- U.S. citizenship
- Ability to obtain a DoD Secret clearance
- Complete and submit Employee Possessor Questionnaire to ATF for approval to be a possessor (Federal Explosives License requirement)
- Familiarity with Rocketry, Solid Rocket Motors, Aerospace Propulsion Systems, Missiles, Flight Vehicles, and/or Energetics
- Experience with Siemens NX and Teamcenter, CAD, and PLM systems
- Background in Mechanical, Aerospace, or Aeronautical Engineering and engineering design principles
- Knowledge of Geometric Dimensioning and Tolerancing (GD&T), ASME Y14.5-2009, and DFA/DFM
- Proficiency with Microsoft Office (Word, PowerPoint, Excel)
- Active DoD Secret Clearance
Northrop Grumman Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Northrop Grumman and has not been reviewed or approved by Northrop Grumman.
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Retirement Support — 401(k) matching is considered strong, with additional defined-benefit coverage for certain cohorts and options like catch-up contributions. Retirement programs are repeatedly highlighted as a core strength of the total rewards.
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Leave & Time Off Breadth — PTO, company-paid holidays, and compressed work schedules (such as 9/80) provide meaningful time away and flexibility. These scheduling options are cited as a major quality-of-life benefit across many locations.
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Parental & Family Support — Paid parental leave alongside caregiver leave, adoption assistance, and back-up care supports a range of family needs. These programs have been expanded recently, signaling continued investment in family support.
Northrop Grumman Insights
What We Do
We are a close-knit community of big thinkers collaborating to keep the world safe. Our passion, creativity and expertise bring next-level technology solutions to life in autonomous systems, cyber, C4ISR, strike, space, and logistics and modernization for our customers around the globe. On the Northrop Grumman team, you’ll join our pursuit of excellence immersed in a dynamic culture of innovation and respect. Your unique perspective will help achieve our shared vision for the future of global security. Every step of the way, you'll be supported by world-class training, employee resource groups and a comprehensive benefits package that enables greater health and happiness for you and your family. Worldwide and across disciplines, we’re challenging what’s possible for technology to protect people and places from undersea to outer space and into cyberspace. And we see the impact of our performance every day. We are Northrop Grumman, and we work on what matters—now, you too can make a difference. Explore opportunities in engineering, IT, manufacturing, business management, cybersecurity and more with us. Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer.







