Sr. Principal Software Engineer - GWS
Company: Northrop Grumman
Location: Huntsville
Posted on: April 2, 2026
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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. Position Overview: As a
software developer on the GMD Weapon System (GWS) Fire Control
(GFC) software team, you will be part of the team that writes the
software (currently ~1.5 million lines of code) that evaluates and
manages the threat scene for 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
translation of 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, 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. Recent and extensive Experience Developing Software in Ada,
C++ or Java Willingness to become highly proficient with Ada
software development Extremely Strong Math and Physics background
required Quick to learn and absorb new concepts and information
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 Missile Defense Agency (MDA) Ground-based Midcourse
Defense (GMD) program. Experience with Agile Project Management
tools (Jira/Confluence) and DevSecOps tools and methods (Jenkins,
Ansible, Git/Bitbucket) of continuous integration/continuous
delivery and deployment (CI/CD) automation Recent MATLAB and Python
Experience Experience with processing multi-sensor, multi-spectrum
sensor tracks with multiple biases 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, Smyrna , Sr. Principal Software Engineer - GWS, IT / Software / Systems , Huntsville, Tennessee
