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Software Engineer - Level 3

Job in Boulder, Boulder County, Colorado, 80301, USA
Listing for: JSfirm.com
Full Time position
Listed on 2026-06-04
Job specializations:
  • Software Development
    Software Engineer
Salary/Wage Range or Industry Benchmark: 114000 - 171000 USD Yearly USD 114000.00 171000.00 YEAR
Job Description & How to Apply Below
Position: Software Engineer - Level 3 or 4

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 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 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, theyre 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 supporting an Internal Research and Development (IRAD) project to join our team of qualified, diverse, and innovative individuals located in Boulder, CO.

Position Overview

As a Software Engineer – Level 3 or Level 4, on an Internal Research and Development (IRAD) team, you will work in a collaborative environment to understand system requirements and create and implement new capabilities and algorithms. Many of the algorithms and capabilities implemented by the team will be mathematics and physics intensive complex solutions that will be highly critical to the system performance.

In addition to software development you will also be expected to support reviews of requirements and test cases that are developed for software capability. This IRAD effort is looking to staff over 100 new engineers and will be leveraging new and existing technologies to build fire control systems from the ground up.

Essential Functions
  • Write and test high performing code in an agile environment to support new features and products to support a Fire Control Mission.
  • Ensure the performance, security, and scalability of the application.
  • Collaborate with cross functional teams including frontend developers, Subject Matter Experts, and Systems Engineering teams.
  • Write well-documented, testable code following best practices.
  • Lead and perform code reviews.
  • Contribute to architectural decisions and the overall design of the system.

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 qualifications listed below.

Basic Qualifications
  • Software Engineer – Level 3: Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline preferred from an accredited university and5 years of related work experience, or a Masters Degree and 3 years of related work experience, or 1 year of related work experience with a PhD.
  • Software Engineer – Level 4: Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline preferred from an accredited university and8 years of related work experience, or a Masters 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 and extensive experience developingsoftware inC++.
  • Quick to learn and absorb new concepts and information.
  • Unix/Linux Operating System Experience.
  • Experience with Software Change Control, Change Management, Code Quality, Static Analysis, and CI/CD tools such as:
    Atlassian tool suite, Jira, Git Hub, Git Lab, Sonar Qube, Coverity, and Jenkins.
  • Must be able to support an in-person / closed-area work environment.
Preferred Qualifications
  • Highly experienced with Linux, scripting, and operations.
  • Very experienced implementing complex mathematical algorithms in code.
  • Expe…
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