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Closed listing

Northrop Grumman

Principal Systems Engineer / Senior Principal Systems Engineer

Oklahoma City, OK, United States

Primary Level Salary Range: $93,300.00 - $171,000.00

This opening has closed.

The original listing is kept below for reference.

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Job details

Pay: Primary Level Salary Range: $93,300.00 - $171,000.00
Posting language: English
Posted: Sep 23, 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: SAP

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.

Northrop Grumman Aeronautics Systems is seeking a Principal Systems Engineer / Senior Principal Systems Engineer to join our team of qualified, diverse individuals within our Systems Engineering organization. This role is located in either Oklahoma City, OK, OR Melbourne FL, OR Rancho Bernado, CA.

This Principal Systems Engineer / Senior Principal Systems Engineer position is for an individual contributor within a multi-disciplinary engineering team. Responsibilities include conducting research, writing requirements, developing models, defining interfaces and performing analysis while working within an Integrated Product Team (IPT) structure to drive the development of new program requirements, refine existing program requirements, and influence the pursuit of future technologies and capabilities. The selected candidate will collaborate across the engineering disciplines and technology areas to integrate and communicate technical capabilities and analyses with internal stakeholders and external customers across multiple simultaneous Modernization and Sustainment efforts.

Job Responsibilities:

Perform requirements development, allocation, verification/validation planning and manage interface definition efforts.
Lead major milestone events to ensure program requirements are being met and or mitigated.
Write complex specifications, interface control documents, and engineering reports.
Support interface/communication with program, functional and subsystem leads.
Maintain Systems Engineering artifacts following proper configuration management procedures.
Coordinate with key stakeholders to ensure proper verification and validation of Systems Engineering artifacts.
Possess strong interpersonal and leadership skills with excellent communications skills to support coordination across IPTs and with external customers.
Solicit input from various stakeholders and team members to synthesize data and communicate findings and recommendations clearly to both technical and non-technical audiences.
Adhere to the IPT Statement of Work (SOW) and perform rigorous change management in coordination with program leadership.
Manage communications with stakeholders through organized processes to ensure that department and program information is defined, collected, shared, understood, stored and retrieved in a manner that effectively meets stakeholder needs

We offer a 9/80 work schedule with every other Friday off, phenomenal learning opportunities, and a very friendly team environment. We are looking for self-motivated, proactive, and goal-oriented people to help us grow our services and become even better at what we do.

Basic Qualifications:

Principal Systems Engineer 3 - Bachelor’s degree in a STEM discipline AND 5 years of related professional/military experience in Systems Engineering, OR a Master’s degree in a STEM discipline AND 3 years of related professional/military experience in Systems Engineering. OR a PH.D. in a STEM discipline AND 0 years of related professional/military experience in Systems Engineering.
Senior Principal Systems Engineer 4 - Bachelor’s degree in a STEM discipline AND 8 years of related professional/military experience in Systems Engineering, OR a Master’s degree in a STEM discipline AND 6 years of related professional/military experience in Systems Engineering. OR a PH.D. in a STEM discipline AND 4 years of related professional/military experience in Systems Engineering.
Ability to obtain and maintain DoD Secret or higher clearance.
Ability to obtain and maintain Special Access Program (SAP) clearance.
Experience in requirements and verification management in DOORS.
Experience with requirement decomposition and traceability from System to Unit/Supplier Specifications.
Experience leading a technical team.
Experience supporting major milestone events.

Preferred Qualifications:

Active DoD Secret or higher clearance (with a background investigation completed within the last 6 years or currently enrolled into Continuous Evaluation.
Active Special Access Program (SAP) clearance.
Experience with managing suppliers with technical requirements and verification expectations.
Experience with Agile execution and leading Scrum teams.
Experience with Python or other scripting language.
Understanding of the application and development of Interface Control artifacts and requirements.
Experience with software development.
Experience with HW/SW integration testing.
Experience managing EVMS Control Accounts as a Control Account Manager (CAM).
Experience in Cameo and traceability between architecture elements and requirements.
Current B-2 Special Access Program (SAP) clearance.
Experience with Continuous Integration/Continuous Deployment software development for Aircraft Sustainment efforts.
Experience with the full lifecycle of aircraft development, build, and operations
Risk & Opportunity Management experience and change control experience.
Experience leading cross-functional technical teams.

Primary Level Salary Range: $93,300.00 - $171,000.00

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 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

SAP
Research
Develop models
Communication skills
Leadership
Change management
Microsoft Access
Agile
Scrum
Python
Software development
CI/CD

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Jobs in the United States