Software Engineer, Stf - GMD Weapons Systems (GWS)

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Software Engineer, Stf - GMD Weapons Systems (GWS)

Full Time

Huntsville AL 35899 USA

Posted 02/06/2026

Job Descriptionback to top

Description:What We're Doing
Become a part of something IMPACT-ful! Ground Missile Defense (GMD) is the heart of the Missile Defense System and a key element of our nations defense against ballistic missile attacks.

The GMD Weapon System (GWS) processes data from multiple sensors to identify and characterize the inbound ballistic missile threat, plans the best defensive solution, and launches the intercepting missiles to negate the threat.

The Work
The Software Engineer Stf responsibilities include software development and support of the Missile Defense Agencys (MDAs) Ground-Based Mid-course Defense (GMD) program. You will be responsible for developing and implementing software updates that best meet changing customer needs for new and existing features, collaborating with team members, and working in a cross-functional agile scrum team.


General activities :
Designs, develops, documents, tests and debugs applications software and systems that contain logical and mathematical solutions with ingenuity and creativity.
Collaborates with other software and systems engineers to determine computer user needs; analyzes system capabilities to resolve problems with program intent, output requirements, input data acquisition, programming techniques and controls; prepares operating instructions.
Ensure software standards are met.
Demonstrate a thorough understanding and wide application of software development related technical principles, theories, and concepts. Show general knowledge of other related disciplines.
Essential Functions:
Support advanced portions of the lifecycle of software development to include requirements definition, integration, and deployment.
Prioritize and adjust tasks to accomplish project results with limited oversight and direction.
Apply 'systems thinking' to ensure developed products are scalable, maintainable, and meet end-user needs.
Communicate openly and effectively with teammates and customer representatives.
The selected candidate should thrive in a fast-paced work environment with high expectations, significantly diverse assignments, and collaborations across disciplines.

Who We Are
Lockheed Martin is a global aerospace, defense, and security company dedicated to advancing scientific discovery and harnessing innovation to make the world a safer place. Our RMS business in Huntsville AL is a hub of talented engineers, scientists, and professionals committed to shaping the future of defense technology. We value collaboration, excellence, and integrity in everything we do. As a part of our team, you will work alongside like-minded individuals dedicated to pushing the boundaries of what's possible.

Why Join Us
Your Health, Your Wealth, Your Life
Our flexible schedules, competitive pay and comprehensive benefits enable you to live a healthy, fulfilling life at and outside of work.
Learn more about Lockheed Martin's comprehensive benefits package here!

#rmshotmiljobs
Basic Qualifications:
Bachelors Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline from an accredited university and 8 years of related experience, or a Master's STEM Degree and 6 years of related experience, or 4 years of experience with a PhD.
Extensive experience developing object oriented software in C#
Extensive experience with Embedded software development
Experience developing software in a Windows environment
Experience developing and maintaining unit tests in Windows/.NET environments using industry standard test frameworks and mocking techniques.
Applicants must have a current active in-scope U.S. Government DoD issued Secret security clearance at the time of application which is required to start.
Desired Skills:
Missile Defense domain knowledge
Security + Certification
A current active in-scope U.S. Government DoD Top Secret security clearance.
Familiarity with Atlassian and Agile software development practices.
Ability and willingness to travel 10% to support business needs.
Knowledge of SysUML
Experience using NUnit
Experience with Moq
Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: Secret
Other Important Information You Should Know
Expression of Interest: By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.
Ability to Work Remotely: Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility.
Work Schedules: Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.
Schedule for this Position: 9x80 every other Friday off
Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.
The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration.
At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work.


With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility.

If this sounds like a culture you connect with, youre invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs, and apply for roles that align with your qualifications.
Experience Level: Experienced Professional
Business Unit: RMS
Relocation Available: Possible
Career Area: Software Engineering
Type: Task Order/IDIQ
Shift: First

Job Requirementsback to top

Bachelors Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline from an accredited university and 8 years of related experience, or a Master's STEM Degree and 6 years of related experience, or 4 years of experience with a PhD.
Extensive experience developing object oriented software in C#
Extensive experience with Embedded software development
Experience developing software in a Windows environment
Experience developing and maintaining unit tests in Windows/.NET environments using industry standard test frameworks and mocking techniques.
Applicants must have a current active in-scope U.S. Government DoD issued Secret security clearance at the time of application which is required to start.

Job Detailsback to top

Location Huntsville, AL, 35899, United States

Categories Computer Software

Sec Clearances Secret

Pref Degree Bachelors

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Contact Informationback to top

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Job Code 713778BR

Software Engineer, Stf - GMD Weapons Systems (GWS)