Posted:
7/24/2026, 6:18:42 AM
Location(s):
Redondo Beach, California, United States ⋅ California, United States
Experience Level(s):
Expert or higher ⋅ Senior
Field(s):
IT & Security
Workplace Type:
On-site
Pay:
$142k–$213k/yr
*Please be aware that this position is contingent upon capturing program award(s) and obtaining and maintaining associated business and/or customer funding. Furthermore, this position is contingent upon the candidate obtaining final clearances and program access(es) within a reasonable period of time as determined by the company. Continued employment thereafter will be subject to maintenance at the level of clearance and program access required for the position in the future.
Northrop Grumman’s Space Systems Sector is seeking Sr Principal Systems Engineer – Level 4 to join our team in Redondo Beach, CA.
In this role, the Sr Principal Systems Interface Engineer will lead the definition, integration, and verification of system-to-system interfaces across complex space architectures. In this role, you will own the technical baseline for external interfaces between payloads, spacecraft buses, ground segments, and external mission partners, ensuring end-to-end interoperability, performance, and compliance with program requirements.
You will work closely with systems engineering, hardware, software, and customer teams to decompose requirements, develop interface control documentation, and resolve integration issues throughout the program lifecycle.
Job responsibilities include, but are not limited to, the following:
Basic Qualifications for Systems Engineer – Level 4:
Bachelor's degree in STEM (Science, Technology, Engineering, Math) discipline with 8 years of engineering experience OR, Master's degree in STEM (Science, Technology, Engineering, Math) discipline with 6 years of experience OR, PhD degree in a STEM discipline with 4 year of experience
Candidate must have an active SCI at time of application and prior to start date. Continued employment thereafter will be subject to maintenance at the level of clearance and program access required for the position in the future.
Experience developing and managing external interfaces and interface documentation (ICDs, IRDs, & specs) and maintaining configuration control.
Experience on space systems programs (spacecraft, payloads, ground segment, or mission operations).
Familiarity with interface standards and industry best practices for space and ground systems.
Experience working with customer and partner organizations on joint interface definition and control.
Familiarity with requirements management tools (e.g., DOORS, etc.) and model-based or structured systems engineering practices.
8+ years of experience performing in a Systems Engineering or related technical discipline
Understanding of systems engineering principles and processes
Demonstrated written and oral communications skills through written requirements, test, and evaluation criteria
Preferred Qualifications for Systems Engineer – Level 4:
Experience in test procedure development, test planning, and/or integration and test
Familiarity with Model- Driven Systems Engineering languages (SysML /UML) and concepts and CORE knowledge a plus
Excellent technical writing skills, and team building skills
Experience in troubleshooting of complex systems
Experience of working as part of a diverse team in a fast-paced environment
*Please be aware that this position is contingent upon capturing program award(s) and obtaining and maintaining associated business and/or customer funding. Furthermore, this position is contingent upon the candidate obtaining final clearances and program access(es) within a reasonable period of time as determined by the company. Continued employment thereafter will be subject to maintenance at the level of clearance and program access required for the position in the future.
Curious about all the exciting developments with the Northrop Grumman Space Sector? Click the link below:
https://www.northropgrumman.com/space.
Working at Northrop Grumman is more than just a paycheck. We offer a comprehensive Total Rewards and benefits package designed to help you thrive at work and in life. For more information on our Total Rewards package, please visit our Total Rewards site: Northrop Grumman Total Rewards
As a full-time employee of Northrop Grumman, you are eligible for:
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Primary Level Salary Range: $142,200.00 - $213,400.00The 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.Website: https://northropgrumman.com/
Headquarter Location: Falls Church, Virginia, United States
Employee Count: 10001+
Year Founded: 1994
IPO Status: Public
Last Funding Type: Grant
Industries: Data Integration ⋅ Manufacturing ⋅ Remote Sensing ⋅ Security ⋅ Software