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Software Engineer - Level 3 or Security Clearance

Job in Colorado Springs, El Paso County, Colorado, 80901, USA
Listing for: Northrop Grumman
Full Time position
Listed on 2026-03-06
Job specializations:
  • Software Development
    Software Engineer
Job Description & How to Apply Below
Position: Software Engineer - Level 3 or 4 with Security Clearance
RELOCATION ASSISTANCE:
No relocation assistance 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) has an exciting career opportunity for a Software Engineer - Level 3 or 4 to join our team of qualified, diverse individuals. This position will be in Colorado Springs, CO.

Position Overview:

The Principal / Sr. Principal Software Engineer - Level 3 or 4 will support a growing portfolio of programs and IRADs that focus on missile defense, space, and intelligence and will support various modeling, simulation, and analysis (MS&A) project teams performing software engineering tasks using languages like C++ and Python to support complex analysis of defense systems.

Essential Functions:

* Designs, develops, documents, tests and debugs applications software and systems that contain logical and mathematical solutions.

* Conducts multidisciplinary research and collaborates with equipment designers and/or hardware engineers in the planning, design and development of product software.

* Ensure software standards are met and meet customer requirements. 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 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:

* Basic Qualifications for Principal Software Engineer - Leve 3:
Bachelor's Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline preferred from an accredited university and 5 years of related work experience, or a Master's Degree and 3 years of related work experience, or 1 year of related work experience with a PhD.

* Basic Qualifications for 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 work experience, or a Master's Degree and 6 years of related work experience, or 4 years of related work experience with a PhD.

* Applicants must have a current, active in-scope DoD-issued Secret security clearance at the time of application, which is required to start

* Ability and willingness to travel up to 10% to support business needs

* Recent experience developing software in C/C++, Java, Python, or similar object-oriented languages

* Experience performing test-driven development

* Quick to learn and absorb new concepts and information

* Experience with git configuration management tools and collaboration products like Github, Bit Bucket, or Git Lab

Preferred Qualifications:

* Current active in-scope DoD Top Secret Clearance with SCI Eligibility

* Advanced degree in Mathematics, Physics, or Computer Science

* Highly experienced with Linux, scripting, and operations
* Experience implementing complex mathematical algorithms in code

* Experience with automated software requirements testing and analysis
* Experience developing software in an Model Based Systems Engineering (MBSE) environment. Primary Level Salary Range: $ - $ Secondary Level Salary Range: $ - $ 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…
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