Software Engineer - Level 3 or 4 - (AHT)
Ngc· Defense· Oct 8, 2026 · 20d ago
Boulder, CO
In office
Full-time
Senior
$142K–$213K
5+ years exp
Job description
RELOCATION ASSISTANCE: Relocation assistance may be available
CLEARANCE REQUIRED FOR START: Yes
CLEARANCE TYPE: Top 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.
Northrop Grumman Space Systems, Multi-Domain Operations, and Missile Defense Integration Business Unit (BU), Advanced Programs group has an exciting career opportunity for a Software Engineer – Level 3 or 4 to join our team of qualified, diverse individuals. Our team is chartered with providing innovative technologies to develop, design, and produce optimized product lines across multiple customers while providing a decisive advantage to the warfighter. We are excited for you to join our team working on challenging and diverse assignments in a collaborating research and development environment. The position is located on-site in Boulder, CO. Boulder is nestled in the foothills of the Rocky Mountains, and only 25 miles from downtown Denver.
Position Overview:
As a Software Engineer – Level 3 or 4, your experience with modern CI/CD practices and scientific programing will assist in the research, development, and release of complex mathematical software applications. You will be working within an Agile research and development environment where you will be responsible for developing and maintaining automated deployments of existing software applications to cloud environments. Additional responsibilities will include communicating technical information effectively and clearly, and present technical approaches and findings.
Essential Functions:
Develop and support automated build, integration and deployment workflows
Deploy software applications in containerized and orchestrated environments
Perform C software development including build, test, integration, and debugging
Tool and prototype development as needed
Work in cross-discipline teams, communicate clearly across various levels of engineers, and mentor junior developers through code reviews, pair programming, and knowledge sharing
Technical documentation input as required
Provide input to customer-facing presentations
The selected candidate should thrive in a fast-paced work environment with high expectations, significantly diverse assignments, collaborative/team settings across all levels.
This requisition may be filled at a higher grade based on qualifications listed below.
This requisition may be filled at either a Principal Software Engineer – Level 3 or a Sr. Principal Software Engineer – Level 4.
Basic Qualifications:
Principal Software Engineer – Level 3: Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline preferred from an accredited university and 5 years of related experience or a Master’s degree in STEM and 3 years of related experience, or 1 year with a PhD.
Sr. Principal Software Engineer – Level 4: Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline preferred from an accredited university and 8 years of related experience or a Master’s degree in STEM and 6 years of related experience, or 4 year with a PhD.
Applicants must have a current active in-scope U.S. Government issued Top Secret security clearance and the time of applicant, with the ability to obtain and maintain a TS/SCI security clearance.
Ability and willingness to travel 10% to support business needs.
Experience with modern C , development tools, and integrated development environments (IDEs)
Experience with GitLab CI/CD toolchains or similar
Experience with containerization technologies such as Docker or Podman
Experience with Object Oriented Programming and data structures
Experience developing in Linux environments
Experience debugging C software applications
Experience with inter-process communication (IPC) mechanisms
Working understanding of linear algebra
Familiarity with revision control, documentation, planning, and review systems like Git
Familiarity with Agile software development practices and related tools such as GitLab and Jira
Preferred Qualifications:
Current active in-scope Top Secret/SCI (TS/SCI) security clearance
Experience with C 20 standards and template meta-programming
Experience with Kubernetes or other container orchestration technologies
Experience developing ZeroMQ-based messaging solutions
Experience with multi-threaded applications and low-latency programming paradigms
Interest working in a Research and Development setting
Experience working with customers within the Intelligence Community
Experience working with data manipulation, processing and visualization software packages
#COSpace
#SpaceSoftwareJobs
#SpaceEngJobs
Primary Level Salary Range: $114,000.00 - $171,000.00
Secondary Level Salary Range: $142,200.00 - $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 northropgrumman.com. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.
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