Software Engineer - Level 4

Company: Northrop Grumman
Location: Huntsville
Posted on: April 1, 2026

Job Description:

RELOCATION ASSISTANCE: No relocation assistance available 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 – Launch and Missile Defense Systems has an exciting career opportunity for a Sr. Principal Software Engineer to join our team of qualified, diverse individuals. This position will be in Huntsville, AL. Description As a software developer on the GMD Weapon System (GWS) Fire Control (GFC) Battle Manager software team, you will be part of the team that writes the software (currently ~1.5million lines of code) that controls the missile defense system that protects the US. You will work in a collaborative environment to understand, implement, and test existing and new capabilities and algorithms and may participate in code modernization and translating Ada code to C++. Many of the algorithms and capabilities implemented by the GFC team are mathematics and physics based complex solutions that will be highly visible to the GWS customer, Missile Defense Agency (MDA). In addition to software development, you will also be expected to support reviews of requirements and test cases that are developed in support of the GFC software team. Basic Qualifications: 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 and 6 years of related experience, or 4 years of experience with a PhD. Strong background in math and physics is required Recent and extensive experience developing software in Ada or C++ or Java Willingness to become highly proficient with Ada software development Quick to learn and able to absorb new concepts and information Recent MATLAB and Python Experience Unix/Linux Operating System Experience Must be able to support an in-person / closed-area work environment Ability and willingness to travel up-to 10% to support business needs. Applicants must have a current active in-scope DoD-issued Secret security clearance at the time of application, which is required to start Preferred Qualifications: Advanced degree in Mathematics or Physics Highly experienced with Linux, scripting, and operations Experience with automated software requirements testing and analysis Experience with the MDA GMD program. Experience with Agile Project Management tools (Jira/Confluence) and DevSecOps tools and methods (Jenkins, Ansible, Git/Gitlab) of continuous integration/continuous delivery and deployment (CI/CD) automation Primary Level Salary Range: $131,100.00 - $196,700.00 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. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

Keywords: Northrop Grumman, Murfreesboro , Software Engineer - Level 4, IT / Software / Systems , Huntsville, Tennessee