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# Algorithm Software Engineer - Level 3

- **Company:** Northrop Grumman
- **Location:** Boulder, CO, United States
- **Experience:** Experienced
- **Salary:** $114,000.0 - $171,000.0
- **Contract:** Permanent contract
- **Skills:** Algorithm Design, Data Analysis, AWK (Programming Language), C++ (Programming Language), Linux, Python (Programming Language), Numerical Computing, Grep, C++14
- **Published:** July 1, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9007521/algorithm-software-engineer-level-3

## About the Role

* 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 a STEM discipline and 3 years of related experience, or 1 year with a PhD.
 * Linux exposure and working knowledge of common utilities like grep, awk, cat head, etc.
 * C/C++; 4 years development experience
 * Algorithm design and state estimation experience
 * Data analysis - Population statistics and trend identification
 * Bridge between theoretical concepts and practical implementation
 * Experience with numerical computing (numerical linear algebra, differential equations, optimization (combinatorial and non-linear), and statistics.
 * Ability and willingness to travel up-to 10% to support business needs
 * Applicants must have a active in-scope U.S. Government issued Secret security clearance at the time of application which is required to start; with the ability to obtain and maintain a TS/SCI clearance., * Strong statistical background and skills
 * Experience in tracking and prediction algorithms, simulation, and validation
 * Experience with multiple hypothesis tracking
 * Experience in the numerical implementation of motion filters.
 * Familiarity with Overhead Persistent Infrared (OPIR) and Electro-Optical Infrared (EOIR) sensors and simulations is a plus
 * Experience with containerization

## Description

As a Principal Algorithms Software Engineer - Level 3, you will be responsible for developing, analyzing, testing, and implementing extendable / reusable algorithms to improve missile tracking capabilities. Additional responsibilities will include but are not limited to providing documentation to supply tracking algorithms including observation models, propagation models, and filters / smoothers., * Breadth and depth in the application of mathematics to perform data analysis and algorithm development for missile tracking applications

 * Development and performance analysis of tracking and state estimation algorithms
 * Tool and prototype development using Modern C++ and Python
 * Algorithm defect tracking and resolution
 * Technical Documentation as required

Seeking candidates who find satisfaction in working on challenging and diverse assignments in collaborative settings across all levels.


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