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Northrop Grumman · United States-Colorado-Boulder

# Algorithms Software Engineer Lead - Level 3 or 4 (AHT)

United States-Colorado-Boulder Full-time Manager or lead $114,000.00 - $171,000.00 Software Engineering 

Listed on Northrop Grumman’s official careers site. Posted October 13, 2026. Check that it is still open and apply there.
[Apply on Northrop Grumman’s careers site →](https://ngc.wd1.myworkdayjobs.com/Northrop_Grumman_External_Site/job/United-States-Colorado-Boulder/Algorithms-Software-Engineer-Lead---Level-3-or-4--AHT-_R10255845)

[OpenNash Jobs](https://jobs.opennash.com/) / [Northrop Grumman](https://jobs.opennash.com/companies/northrop-grumman/) / Algorithms Software Engineer Lead - Level 3 or 4 (AHT)

## Job description

### RELOCATION ASSISTANCE

Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: 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 an Algorithms Development Software Engineer Lead
- 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 an Algorithms Developer / Software Engineer Lead
- Level 3 or 4, you will be responsible for leading a team of 2-4 people. We are a smaller team of ~15 people working on cutting edge missile tracking and interception capabilities.

Designing, developing, testing, documenting, debugging software and mathematical algorithms used to identify different threats. This fast-paced and cutting-edge research and development environment will rely on your familiarity with modern software practices, physics principles, and mathematics.

### Essential Functions

Performance analysis of tracking and state estimation algorithms Tool and prototype development using modern C++ v20+ Algorithm defect tracking and resolution Analysis tool development (Python) Technical documentation input as required Input to customer-facing presentations Collaborate with Chief Architect, Program Management and Team Lead peers to set technical vision for the tracker team Provide tasking and mentorship to 2-4 Tracker team members The selected candidate should thrive in a fast-paced work environment with high expectations, significantly diverse assignments, and 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 STEM degree 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 STEM degree and 6 years of related experience, or 4 years with a PhD.

Applicants must have a current active in-scope U.S. Government issued Secret security clearance and the time of application, with the ability to obtain and maintain a Top Secret security clearance. Ability and willingness to travel 10% to support business needs.

### Prior C++ Development Experience Preferred Qualifications

Current active in-scope Top Secret security clearance 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 Prior Leadership and Mentorship Experience #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 [http://www.northropgrumman.com/EEO](http://www.northropgrumman.com/EEO). U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

## At a glance
- Posted by the employer: Oct 13, 2026
- First seen by OpenNash: Oct 18, 2026
- Last checked: Oct 18, 2026
- Listed for: 5 days
- Location: United States-Colorado-Boulder
- Employment type: Full-time
- Pay: $114,000.00 - $171,000.00[Apply on Northrop Grumman’s careers site →](https://ngc.wd1.myworkdayjobs.com/Northrop_Grumman_External_Site/job/United-States-Colorado-Boulder/Algorithms-Software-Engineer-Lead---Level-3-or-4--AHT-_R10255845)

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