Sr Principal Systems Engineer

Company: Northrop Grumman
Location: Oklahoma City
Posted on: April 1, 2026

Job Description:

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. Please note that this opportunity is contingent on program funding. Start dates are determined after funding confirmation. Northrop Grumman Aeronautics Systems is seeking a Sr. 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 Rancho Bernardo, CA. This Senior Principal Systems Engineer position is for an individual contributor who will own the responsibility for managing and leading a team of multi-disciplinary engineers to deliver requirements and deliverables on schedule and within cost. This role has the authority to make engineering project management decisions and recommendations that have an impact on new business, program performance, design, development, and mission operations. 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. 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. Manage Control Accounts as the Control Account Manager (CAM) for scope assigned, delivering all team deliverables on time and within cost, while meeting contractual programmatic and technical requirements and stakeholder expectations, and measure and report Earned Value (EV) performance. Ensure technical quality, performance, cost and schedule for product team content on the program, in alignment with Engineering and Division processes, program policies, and industry best standards. Adhere to the IPT Statement of Work (SOW) and perform rigorous change management in coordination with program leadership. Identification of resources, including staffing, required to complete product team deliverables, and communicate the need in a timely manner to enable onboarding of the resources early enough to meet program objectives. Coordinate with Functional Management to staff the IPT. Coordinate technical, cost, and schedule integration across NG programs and other inter-program groups. Conduct thorough risk & opportunity management practices including identification, mitigation and realization. Identify and proactively address organizational and program impacts through a systematic, proactive, approach to issue and problem resolution that identifies, communicates, monitors, and promptly resolves conflicts across all levels of the organization. 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. Identify, orchestrate, coordinate and control the management activities and processes that integrate program interdependencies throughout their life cycle to achieve successful program completion. 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: Bachelor of Science degree in a Science, Technology, Engineering, or Math (STEM) discipline with 8 years of related experience OR Master of Science degree in a STEM discipline with 6 years of related experience or a PhD in a STEM discipline and 4 years of related experience Your ability to transfer and maintain the final adjudicated government Secret clearance (DoD must be in-scope or enrolled in Continuous Evaluation) and any program access(es) required for the position within a reasonable period of time, as determined by the Company. Experience in requirements and verification management in DOORS. Experience with requirement decomposition and traceability from System to Unit/Supplier Specifications. Experience with managing suppliers with technical requirements and verification expectations. Experience with software development. Experience with HW/SW integration testing. Experience with Agile execution and leading Scrum teams. Experience with Python or other scripting language. Experience managing EVMS Control Accounts as a Control Account Manager (CAM). Preferred Qualifications: Experience in Weapons Certification. Experience in Cameo and traceability between architecture elements and requirements. 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: $116,300.00 - $213,400.00 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.

Keywords: Northrop Grumman, Lawton , Sr Principal Systems Engineer, Engineering , Oklahoma City, Oklahoma