Modeling & Simulation Software Engineer

• Level 3 or 4 Northrop Grumman
• Boulder, Colorado

PERMANENT

Updated 06/2026 Job Description Job Summary

RELOCATION ASSISTANCE

Relocation assistance may be available

CLEARANCE REQUIRED FOR START

Yes

CLEARANCE TYPE

Secret

TRAVEL:

Yes, 10 of the TimeDescription At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact peoples 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 nations 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, theyre making history. Northrop Grumman Space Systems, Multi-Domain Operations, and Missile Defense Integration Business Unit (BU) has an exciting career opportunity for a Modeling & Simulation Software Engineer

• Level 3 or 4 to join our team of qualified, diverse individuals. This job is in Boulder, CO
• Boulder is nestled in the foothills of the Rocky Mountains, and only 25 miles from downtown Denver.

Due to the nature of our work, full-time in-person work is required.

Position Overview:

Welcome to the Advanced Programs Team! We are working on an autonomous distributed tracking system

• Join our high performing software team and come make history with us! As a Modeling & Simulation Software Engineer
• Level 3 or 4 focused on modeling and simulation tasks.

You will be responsible for the design, development, documentation, testing, deployment, and debugging of modeling and simulation applications. You may leverage the output of the model you created to run through the code and test the system. This includes researching, identifying, and implementing solutions to complex, multi-disciplinary software problems. Seeking candidates who find satisfaction in working on challenging and diverse assignments in collaborative settings across all levels. This requisition may be filled at a higher level based on the 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 a STEM discipline and 3 years of experience, or a PhD. and 1 year of experience. 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 a STEM discipline and 6 years of experience, or a PhD.

and 4 year of experience. Complex Modeling & Simulation Experience (Prior Optical Signatures Code (OSC) and/or Digital Imaging and Remote Sensing Image Generation (DIRSIG) experience is ideal.) Modern C++ (v20 preferred) Ability and willingness to travel up to 10 to support business needs (only if needed) Applicants must have an active in-scope U.S. Government issued Secret security clearance at the time of application and is required to start; with the ability to obtain and maintain a Top Secret/SCI (TS/SCI) security clearance.

Preferred Qualifications:

Python Linux Agile Development Exposure

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 candidates experience, education, skills and current spanet 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. Job and company information not to be copied, shared, scraped, or otherwise disseminated without explicit consent of JSfirm, LLC.