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Northrop Grumman is seeking a Sr. Principal Systems Engineer Level 4 to join our team of qualified, diverse individuals. The Marine Systems organization, part of Northrop Grumman Mission Systems, is searching for Systems Engineers in support of rapid growth in the Launcher Hardware organization. You will have the opportunity to be part of an expanding team of dedicated engineers directly supporting the engineering development of innovative launcher hardware for weapons systems on a variety of Navy platforms.
Responsibilities include but are not limited to:
- Perform requirements development, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for total systems
- Support the logical and systematic conversion of customer or product requirements into total systems solutions that acknowledge technical, schedule and cost constraints.
- Perform functional analysis, timeline analysis, detail trade studies, requirements allocation and interface definition studies to translate customer requirements into hardware and software specifications.
- Generation and updating of System and sub-system level specifications in DOORS, including creation of Verification Cross Reference Matrices (VCRM) and verification traceability (tracing requirements to test plans/procedures/results)
- Update and maintain system drawings and documents such as Interface Control Documents, Arrangement Drawings, etc.
- Participate/Lead and coordinate preparation, conduct and closeout for internal and external customer reviews (SRR, PDR, CDR, IRR, TRR, etc.)
- Support the creation and refinement of Model Based System Engineering products (System behavioral models, Use Case realizations, State Machines, etc.)
The qualified candidate will possess the following skills:
- The ability to multi-task and balance multiple projects simultaneously.
- Demonstrate strategic thinking along with sound decision making and good judgments
- Strong communication skills, both oral and written
- Ability to work autonomously and in a team environment
Basic Qualifications Sr. Principal Systems Engineer (T4):
- Bachelor’s Degree in a STEM (Science, Technology, Engineering or Math) discipline with 8 years relevant experience; or Master’s Degree in a STEM (Science, Technology, Engineering or Math) discipline with 6 years relevant work experience, or PhD with 4 years of experience.
- Ability to read and interpret technical drawings
- First-hand experience with requirements and interface management
- Familiarity with system drawings and documents such as Interface Control Documents, System/Subsystem Specifications, Verification Cross Reference Matrices (VCRM), etc.
- Experience with system engineering tools such as IBM Rational DOORS
- Familiarity with MBE/MBSE concepts and tools
- Must be a US citizen
- Must be able to obtain and maintain a US Government Secret Clearance
Preferred Qualifications:
- Master's Degree in Systems Engineering
- Understanding and knowledge of Agile (SCRUM) techniques and activities
- First hand experience with MBSE concepts and tools (MagicDraw and / or Cameo preferred)
- Experience in technical presentation and interfacing with customers
- Design and operational knowledge of navy programs
- Ability to read and interpret government or military specifications
- Must be able to obtain and maintain an Active US Government Secret Clearance
Skills Required
- Bachelor’s degree in a STEM discipline and 8 years of relevant experience
- Master’s degree in a STEM discipline and 6 years of relevant experience
- PhD in a STEM discipline and 4 years of relevant experience
- Ability to read and interpret technical drawings
- First-hand experience with requirements and interface management
- Familiarity with system drawings and documents, including Interface Control Documents, system specifications, and Verification Cross Reference Matrices
- Experience with systems engineering tools such as IBM Rational DOORS
- Familiarity with MBE or MBSE concepts and tools
- U.S. citizenship
- Ability to obtain and maintain a U.S. Government Secret Clearance
- Master’s degree in Systems Engineering
- Knowledge of Agile Scrum techniques and activities
- First-hand experience with MBSE concepts and tools, preferably MagicDraw or Cameo
- Experience with technical presentations and customer interfacing
- Design and operational knowledge of Navy programs
- Ability to read and interpret government or military specifications
- Ability to obtain and maintain an active U.S. Government 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.







