The Northrop Grumman Space Systems, Multi-Domain Operations, and Missile Defense Integration Business Unit (BU), Advanced Programs group has an opening for a Software Engineer – Level 3 or 4 (mathematician/algorithms developer/software engineer). We are working on an autonomous distributed tracking system - Join our high performing software team and come make history with us! 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.
Join the Advanced Programs team as a Mathematician with Linux environment and C++ software development exposure.
Essential Functions:
- Performance analysis of tracking and state estimation algorithms
- Tool and prototype development using modern C++ v20+ and Python
- Algorithm defect tracking and resolution
- Analysis tool development (Python)
- Technical documentation input as required
- Input to customer-facing presentations
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 for a Software Engineer (Level 3 or 4):
- 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 and 3 years of related experience, or 1 year of experience 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 and 6 years of related experience, or 4 years of experience with a PhD.
- An active in-scope U.S. Government DoD Secret security clearance is required to start; with the ability to obtain and maintain a Top Secret security clearance.
Preferred Qualifications:
- Linux Experience
- Modern C++ Experience - Ability to write modern C++ code (templates, understanding move semantics, smart pointers, etc.)
- Python Experience
- Strong Math Background
- Stochastic Processes
- Linear Algebra
- Probability
- Statistical Principles & Analysis Experience
- Hypothesis Testing
- Probability Distributions
- Conditional Probability
- Multi-Variate Random Variables
- Kalman Filters
- Least Squares
- Algorithm design and state estimation experience
- Stereo vision systems experience
- Infrared systems experience
- Satellite systems experience
- Data fusion experience
- Distributed systems experience
- Algorithm verification and validation experience
- Plotly, javascript, and SQL experience
Skills Required
- Bachelor's Degree in a STEM discipline (or Master's/PhD with equivalent experience)
- Related experience: Level 3 (≈5 years) or Level 4 (≈8 years) depending on degree
- Active in-scope U.S. Government DoD Secret security clearance required to start
- Ability to obtain and maintain a Top Secret security clearance
- U.S. Citizenship required for positions with a government clearance
- Linux experience
- Modern C++ experience (C++20+, templates, move semantics, smart pointers)
- Python experience
- Strong math background (stochastic processes, linear algebra, probability)
- Statistical analysis experience (hypothesis testing, distributions, multivariate analysis, least squares, Kalman filters)
- Algorithm design and state estimation experience
- Experience with stereo vision, infrared systems, satellite systems, data fusion, or distributed systems
- Algorithm verification and validation experience
- Plotly, JavaScript, and SQL experience
Northrop Grumman Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Northrop Grumman and has not been reviewed or approved by Northrop Grumman.
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Retirement Support — 401(k) matching is considered strong, with additional defined-benefit coverage for certain cohorts and options like catch-up contributions. Retirement programs are repeatedly highlighted as a core strength of the total rewards.
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Leave & Time Off Breadth — PTO, company-paid holidays, and compressed work schedules (such as 9/80) provide meaningful time away and flexibility. These scheduling options are cited as a major quality-of-life benefit across many locations.
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Parental & Family Support — Paid parental leave alongside caregiver leave, adoption assistance, and back-up care supports a range of family needs. These programs have been expanded recently, signaling continued investment in family support.
Northrop Grumman Insights
What We Do
We are a close-knit community of big thinkers collaborating to keep the world safe. Our passion, creativity and expertise bring next-level technology solutions to life in autonomous systems, cyber, C4ISR, strike, space, and logistics and modernization for our customers around the globe. On the Northrop Grumman team, you’ll join our pursuit of excellence immersed in a dynamic culture of innovation and respect. Your unique perspective will help achieve our shared vision for the future of global security. Every step of the way, you'll be supported by world-class training, employee resource groups and a comprehensive benefits package that enables greater health and happiness for you and your family. Worldwide and across disciplines, we’re challenging what’s possible for technology to protect people and places from undersea to outer space and into cyberspace. And we see the impact of our performance every day. We are Northrop Grumman, and we work on what matters—now, you too can make a difference. Explore opportunities in engineering, IT, manufacturing, business management, cybersecurity and more with us. Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer.
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