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Software Engineer (Level 3/4)

Northrop Grumman
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San Diego, CA, USA
Sep 20, 2026
RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SecretTRAVEL: Yes, 25% 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 has opportunities for a Software Engineer (Principal or Senior Principal Engineer Level)to join our team in San Diego, CA.

Description

  • Design, develop, document, test and debug applications software and systems that contain logical and mathematical solutions

  • Conduct multidisciplinary research and collaborate with equipment designers and/or hardware engineers in the planning, design, development, and utilization of electronic data processing systems for product and commercial software

  • Determine computer user needs;

  • Analyze system capabilities to resolve problems on program intent, output requirements, input data acquisition, programming techniques and controls

  • Prepare operating instructions

  • Design and develop compilers and assemblers, utility programs, and operating systems

  • Ensure software standards are met

This role may be filled at either an Principal Engineer (Level 3) or Sr Principal Engineer (Level 4) level based on the qualifications outlined below.

Basic Qualifications:

Principal Engineer (Level 3):

  • Must have a Bachelor’s of Science Degree in a STEM discipline and 5 years of related professional/military experience in Systems Engineering, OR a Master's Degree and 3 years of related professional/military experience in Systems Engineering

  • Ability to obtain and maintain an active U.S. government Secret clearance

  • Ability to obtain and maintain Special Program Access (PAR) as determined by business needs

Senior Principal Engineer (Level 4):

  • Must have a Bachelor’s of Science Degree in a STEM discipline and 8 years of related professional/military experience in Systems Engineering, OR a Master's Degree and 6 years of related professional/military experience in Systems Engineering

  • Ability to obtain and maintain an active U.S. government Secret clearance

  • Ability to obtain and maintain Special Program Access (PAR) as determined by business needs

Preferred Qualifications:

  • An active U.S. government Secret clearance or higher (with background investigation completed within the last 6 years or currently enrolled into Continuous Evaluation)

  • Demonstrated communication and technical writing skills

  • Proven ability to brief technical presentations to stakeholders

Primary Level Salary Range: $114,000.00 - $171,000.00Secondary 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.

Job ID

R10248375

Security Clearance

SECRET
About Northrop Grumman

Northrop Grumman solves the toughest problems in space, aeronautics, defense and cyberspace to meet the ever-evolving needs of our customers worldwide. Our 90,000 employees are Defining Possible every day to create and deliver advanced systems, products and services. Northrop Grumman careers and internships are as varied as your interests, with a lifetime of potential that will allow you to work together with people from many backgrounds, personal passions and disciplines.

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