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Sr. Principal Software and Mathematics Engineer

Yesterday Boulder, CO

CO Salary Range: USD 137,400.00 - 206,000.00 per year

RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE TYPE: Top SecretTRAVEL: 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.The Launch and Missile Defense Systems division within Northrop Grumman Space Systems is seeking a Senior Principal Software Engineer with a passion and expertise for both mathematics and software development. The position is located in Boulder, CO - Boulder is nestled in the foothills of the Rocky Mountains, and only 25 miles from downtown Denver.
Position Overview:
As a Senior Principal Software Engineer on the Advanced Programs IRAD Team, you will be responsible for designing, developing, testing, documenting, and debugging software and complex mathematical algorithms. This fast-paced and cutting-edge research and development environment will rely on your familiarity with modern software practices. You are expected to communicate technical information effectively and clearly, and present technical approaches and findings. Our team of motivated technical talent works closely with the end user (and each other) to ensure the direct mission applicability of developed products.
Essential Functions:

Performance analysis of tracking and state estimation algorithms
Software development in C++ 20 and Python
Algorithm defect tracking and resolution
Analysis tool development
Technical documentation as required
Seeking candidates who find satisfaction in working on challenging and diverse assignments in collaborative settings across all levels.
Basic Qualifications:

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 a STEM discipline and 6 years experience, or a PhD and 4 years of experience, or 12 years of related experience in lieu of a degree may be considered.
Applicants must have a current active in-scope U.S. Government DoD Top Secret security clearance at the time of application, with SCI eligibility is required to start.

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Ability and willingness to travel up to 10% to support business needs
Linux Experience (Windows is a Plus)
Modern C++ Experience (20+)
Ability to write modern C++ code (templates, understanding move semantics, smart pointers, etc.)

Python Experience
Modular Software Dev Experience (Example tools: Git, CMake, etc.)
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

Preferred Qualifications:

Familiarity with Overhead Persistent Infrared (OPIR) and Electro-Optical Infrared (EOIR) sensors
Technical leadership experience
Long range infrared systems experience and PSF photometry
DevOps and DevSecOps experience
Container orchestration and deployment (Kubernetes and/or Docker Compose) experience
Algorithm design and state estimation experience
Atlassian suite experience (Jira, Bitbucket, Confluence, etc)
Stereo vision systems experience
Remote sensing experience
Data fusion experience
* Algorithm verification and validation experience
Primary Level Salary Range: $137,400.00 - $206,000.00The 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.

Client-provided location(s): Boulder, CO
Job ID: NorthropGrumman-R10204515
Employment Type: OTHER
Posted: 2025-08-20T20:12:24

Perks and Benefits

  • Health and Wellness

    • Health Insurance
    • Dental Insurance
    • Vision Insurance
    • Life Insurance
    • Short-Term Disability
    • Long-Term Disability
    • HSA
    • HSA With Employer Contribution
    • On-Site Gym
    • Pet Insurance
    • Mental Health Benefits
    • Virtual Fitness Classes
  • Parental Benefits

    • Birth Parent or Maternity Leave
    • Non-Birth Parent or Paternity Leave
    • Fertility Benefits
    • Adoption Assistance Program
    • Family Support Resources
    • Adoption Leave
  • Work Flexibility

    • Flexible Work Hours
    • Remote Work Opportunities
    • Hybrid Work Opportunities
    • Four-Day Work Week
  • Office Life and Perks

    • Commuter Benefits Program
    • Company Outings
    • On-Site Cafeteria
    • Holiday Events
  • Vacation and Time Off

    • Paid Vacation
    • Paid Holidays
    • Sabbatical
    • Leave of Absence
  • Financial and Retirement

    • 401(K)
    • 401(K) With Company Matching
    • Performance Bonus
    • Relocation Assistance
    • Financial Counseling
    • Profit Sharing
  • Professional Development

    • Tuition Reimbursement
    • Promote From Within
    • Mentor Program
    • Shadowing Opportunities
    • Access to Online Courses
    • Lunch and Learns
    • Internship Program
    • Leadership Training Program
    • Associate or Rotational Training Program
  • Diversity and Inclusion

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