Software Engineer, Sr - GMD Weapons Systems (GWS)

This Software Engineer Sr role is crucial for the Ground Missile Defense (GMD) program, a core component of the Missile Defense System. Responsibilities include developing and supporting the GMD Weapon System (GWS) software, implementing updates, and collaborating within an agile scrum team. The engineer will design, develop, test, and debug applications, ensuring software standards are met and applying systems thinking for scalable and maintainable products. The position requires strong technical principles and effective communication in a fast-paced environment.

Must Have

• Software development and support for Missile Defense Agency’s (MDA’s) Ground-Based Mid-course Defense (GMD) program
• Developing and implementing software updates for new and existing features
• Collaborating with team members in a cross-functional agile scrum team
• Designing, developing, documenting, testing, and debugging applications software and systems
• Ensuring software standards are met
• Thorough understanding and wide application of software development technical principles, theories, and concepts
• Supporting advanced portions of the software development lifecycle (requirements definition, integration, deployment)
• Prioritizing and adjusting tasks with limited oversight and direction
• Applying 'systems thinking' to ensure developed products are scalable, maintainable, and meet end-user needs
• Communicating openly and effectively with teammates and customer representatives
• Bachelor’s degree in a Science, Technology, Engineering or Mathematics (STEM) discipline
• Ability to acquire a DOD 8570 IAT Level II certification within 60 days (e.g., Security + CE)
• Experience developing object-oriented software in C++, Java, Python
• Experience with CI/CD best practices, automated builds and tests, quality gates, software quality, and CI tools and pipelines
• Familiarity with security coding standard best practices, static and dynamic scanning tools (e.g., SonarQube, Coverity)
• Recent experience working with cloud technologies and platforms (e.g., Microsoft Azure, Amazon Web Services (AWS), Google Cloud)
• US Citizenship with an active DoD Secret clearance

Good to Have

• Prior experience working on Missile Defense programs
• Prior experience using DOORS
• Prior experience using Atlassian Tools
• Familiarity with Agile terminology and best practices
• Prior experience as a Product Owner
• Familiarity with Model Based Systems Engineering (MBSE) and Cameo
• Familiarity with automated software requirements testing and analysis
• Ability to support an in-person, closed-area work environment 100% of the time
• Recent experience with Agile practices and principles to deliver high quality products and services
• Effective communication, both internally and externally to the team

Perks & Benefits

• Medical, Dental and Vision coverage
• 401(k) plan with generous matching and company contributions
• Professional development through mentoring, internal & external educational programs, networking, and career-building programs
• Generous maternity and paternity leave policies, with mother's rooms at facilities
• Paid Time Off (PTO), paid holidays, paid time off for jury duty and military obligations
• Flexible work schedules (Flex-time), dependent on position

Job Responsibilities

Job ID: 711950BR Date posted: Dec. 01, 2025

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 nation’s 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 Sr responsibilities include software development and support of the Missile Defense Agency’s (MDA’s) 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:

• Bachelor’s degree in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university and 5 Years with Bachelors in Science; 4 Years with Masters; 2 Years with PhD
• Must be able to acquire a DOD 8570 IAT Level II certification within 60 days from the start date (ex: Security + CE)
• Experience developing object oriented software in C++, Java, Python
• Experience with CI/CD best practices, automated builds and tests, quality gates, software quality, and CI tools and pipelines
• Familiarity with security coding standard best practices, static and dynamic scanning tools, i.e., SonarQube, Coverity, etc.
• Recent Experience working with cloud technologies and platforms such as Microsoft Azure, Amazon Web Services (AWS), and Google Cloud
• US Citizenship, with a active DoD Secret clearance

Desired Skills:

• Prior experience working on Missile Defense programs
• Prior experience using DOORS
• Prior experience using Atlassian Tools
• Familiar with Agile terminology and best practices
• Prior experience as a Product Owner
• Familiar with Model Based Systems Engineering (MBSE) and Cameo
• Familiar with automated software requirements testing and analysis
• Must be able to support an in-person, closed-area work environment 100% of the time
• Recent Experience with Agile practices and principles to deliver high quality products and services
• Communicates effectively, both internally and externally to team

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, you’re 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

About

At Lockheed Martin, we apply our passion for purposeful innovation to keep people safe and solve the world's most complex challenges.

Pioneering Defense Technology: From aerospace to outer space to cyber space, you can innovate mission solutions alongside the best minds in the business.

United By Culture: Excellence, integrity, and collaboration define us. We accelerate change and embrace one another’s perspectives to win for our customers.

Real Impact, Real Growth: Grow your career and skills for life. Our wide array of opportunities and technology-driven learning programs enable your development and agility.

Your Health, Your Wealth, Your Life: Competitive pay, comprehensive benefits and flexible schedules designed so you thrive — at work and beyond.

Empowered to Be Your Best: Use your strengths to make a difference in the lives of one another, our customers, our communities, and our planet.

Here, the possibilities are endless because we offer:

• Flexible Schedules, dependent on role
• Levels: Student, Entry, Mid, Senior, Management
• Locations: Nationwide & OCONUS Positions

Qualifications

See what it takes to be a successful Lockheed Martin employee.

• Collaborative

There is no innovation without imagination. You bring new, different and exciting ideas to the table every day. You are committed to the success of your team.

• Curious

The ability to explore and drive new ideas. You think innovatively to come up with creative solutions to complex challenges.

• Goal-oriented

From planning and organizing to decision making, goal orientation produces impactful results. You set goals and strive to make things happen quickly and efficiently.

• Proactive

The ability to anticipate, plan and prepare for what lies ahead. You act rather than react to potential situations.

• Problem Solver

You work to tackle tough problems with complex solutions.

• Strategic

You observe, reflect and analyze processes to make more informed decisions.

Benefits

• ### Healthcare

Medical, Dental and Vision coverage is available for employees who opt-in.

• ### 401(k)/Retirement Plans

Our 401(k) plan features generous matching and company contributions.

• ### Professional Development

We support our employees through mentoring, internal & external educational programs, networking, skills enhancement and career-building programs.

• ### Maternity and Paternity Leave

Our generous parental leave policies support your journey into parenthood. When you return to work, our facilities offer mother's rooms to support your transition and work/life balance.

• ### Paid Time Off

We offer PTO, paid holidays and paid time off for jury duty and military obligations.

• ### Flex-time

Depending on the position, we offer flexible work schedules.