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Closed listing

Northrop Grumman

Sr. Principal / Staff Software Systems Engineer (TS Clearance)

Manhattan Beach, CA, United States

This opening has closed.

The original listing is kept below for reference.

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Job details

Posting language: English
Posted: Oct 15, 2026

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Original job description

Archived listing. The details below describe a past opening.

RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Top Secret

TRAVEL: No

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 Defense Systems sector (NGDS) is seeking a Senior Principal Systems Engineer or Staff Systems Engineer to join our growing team of diverse professionals. The candidate will support Agile development of MS Windows and cloud-based solutions as a Responsible Engineer, providing both technical and programmatic leadership and oversight of the engineering analysis, design, implementation and deployment of new capabilities, as part of the Mission Planning and Decision Support Operating Unit (OU). This position is based on-site in either Manhattan Beach, CA, or Melbourne, FL.

Daily responsibilities include:

Serve as the Responsible Engineer for a defined scope of work across design, implementation, system integration, verification and deployment/delivery phases. Ensure the logical and systematic conversion of customer or product requirements into total systems solutions that acknowledge technical, schedule, and cost constraints
Serve as Technical Point of Contact with commanding knowledge of the requirements, product roadmap, status (technical, schedule, cost), and issues/concerns associated with the work scope. Lead and support technical discussions, planning, oversight and guidance, trade studies, effectiveness analyses
Provide guidance and support in requirements development, functional analysis, timeline analysis, requirements maturation, interface definition, to translate customer requirements into a software/hardware solution.
Collaborate across disciplines, product teams, partners, suppliers and program stakeholders to coordinate interfaces, features, data, documentation, scheduling
Serve as Control Account Manager (CAM) with responsibilities for the cost and schedule management of the work scope.
Plan, execute and close out program reviews and milestones (e.g. SRR, PDR, CDR, TRR, etc.) Prepare for and present at design reviews and technical interchange meetings
Ensure system technical compliance with the program Statement of Work (SOW), system requirements, and manage scope control of technical team.
Collect, manage, and report the program metrics and Technical Performance Measures (TPMs)
Manage risk and opportunity and the production of core engineering work products and track the work products and associated program dependencies in the program schedule
May include travel to other locations

Basic Qualifications for Senior Principal Systems Engineer:

8+ years of experience with a Bachelor's degree in Aeronautical Engineering, Electrical Engineering, Mathematics or Physics from an ABET accredited university OR 6 years experience with a master’s degree in a related discipline
Active DoD Top Secret clearance, adjudicated within the last 5 year s
Demonstrated history of strong organization and coordination skills (working with cross-functional teams).
4+ years of technical leadership experience in an aerospace context
Experience as a Product Owner or Technical Lead
Strong understanding of systems engineering principles and processes
Experience with system engineering design methods, including requirements analysis and flow-down, specification derivation and interface control documentation
Experience as a Systems Engineer on an Agile software development effort
Demonstrated problem solving and troubleshooting skills
Experience with Cloud Technology.
Experience with writing technical proposals
Ability to obtain and maintain SAP clearance
Ability to work on-site in Manhattan Beach (CA) or Melbourne (FL)

Basic Qualifications for Staff Systems Engineer:

12+ years of experience with a Bachelor's degree in Aeronautical Engineering, Electrical Engineering, Mathematics or Physics from an ABET accredited university OR 10 years of experience with a master’s degree in a related discipline
Active DoD Top Secret clearance, adjudicated within the last 5 year s
Demonstrated history of strong organization and coordination skills (working with cross-functional teams).
8+ years of technical leadership experience in an aerospace context
Experience as a Product Owner or Technical Lead
Strong understanding of systems engineering principles and processes
Experience with system engineering design methods, including requirements analysis and flow-down, specification derivation and interface control documentation
Experience as a Systems Engineer on an Agile software development effort
Demonstrated problem solving and troubleshooting skills
Experience with Cloud Technology.
Experience with writing technical proposals
Ability to obtain and maintain SAP clearance
Ability to work on-site in Manhattan Beach (CA) or Melbourne (FL)

Preferred Qualifications:

Active DoD SAP Clearance
Experience using or developing military aircraft mission planning systems
Experience working with external and geographically distributed teams to meet program objectives.
Experience with project/program management practices, including:
Control Account Management (CAM) and Earned Value Management (EVM)
Risks–Issues–Opportunities (RIO) management
Project planning, scheduling, staffing, and coordination of technical work
General understanding of networks, interoperability, and “system of systems” concepts
Experience with MBSE Tools, e.g., Cameo, Rhapsody
Current DoD 8570 IAT Level II certification (such as, Security+)

Primary Level Salary Range: $122,800.00 - $213,400.00

Secondary Level Salary Range: $152,900.00 - $265,600.00

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.

Job Category: Engineering

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Skills

Agile development
Microsoft Windows
Leadership
ICT system integration
Product comprehension
Documentation
Scheduling
Regulatory compliance
Aerospace engineering
Electrical engineering
Engineering principles
Agile
Software development
Problem solving
Troubleshooting
SAP
Program management
Security+

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Jobs in the United States