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Level 3 Software Engineer Security Clearance

Job in Longmont, Boulder County, Colorado, 80501, USA
Listing for: Lockheed Martin
Full Time position
Listed on 2026-05-29
Job specializations:
  • Software Development
    Software Engineer
Job Description & How to Apply Below
Position: Level 3 Software Engineer with Security Clearance
Job Number 730451

Description:

WHO WE ARE Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering. LM SPACE: WHAT WE'RE DOING Space is a critical domain, connecting our technologies, our security and our humanity.

While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. And we're reimagining how space can connect us, ensuring security and prosperity. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve.

We're creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We're erasing boundaries and forming partnerships across industries and around the world. We're advancing spacecraft and the workforce to fuel the next generation. THE WORK Ground Software team is seeking a Level 3 Software Engineer with a Secret clearance to support the FORGE C2 Mission Management team in translating a legacy product into a modern solution.

This position will work in a small (5-6 person) agile team in Longmont, CO to take the product from a designed solution to a delivered product. In this role you will:
• Design, develop, maintain, and test the Mission Management codebase.
• Interact across agile teams to ensure interface compatibility.
• Coordinate with the product owner, scrum master, and product manager to plan user stories and ensure successful completion of the tasks.
• Work through technical challenges to implement legacy capabilities in a modern architecture. This is an EARLY-MID CAREER (level
3) ROLE where candidates typically require 3+ years of professional experience and a BS degree. If you think this describes you and you are looking for an opportunity to grow and challenge yourself then we would love for you to apply! WHY JOIN US Opportunity for Impact:
Join a team that is at the forefront of innovation in the aerospace and defense industry and make a significant impact on the success of our organization. Professional Development:
Take advantage of unparalleled opportunities for growth and advancement within Lockheed Martin, with access to world-class training and development programs. Collaborative Culture:
Work alongside some of the brightest minds in the industry who share your passion for excellence and who are committed to supporting each other's success. Competitive Benefits:
Lockheed Martin employees play an active role in strengthening the quality of life where we live and work by volunteering more than 850,000 hours annually. Here are some of the benefits you can enjoy:
• Medical
• Dental
• 401k
• Paid time off
• Work/life balance
Career development
Mentorship opportunities
• Rewards & recognition We care about our employees and offer a generous benefits package : 401K, PTO, and work/life balance and more.

Basic Qualifications:

• An active Secret clearance is required for consideration
• Experience in software design and development
• 3+ years of Java programming experience in a professional environment
• Linux OS background/Experience developing in a Linux environment Desired

Skills:

• Previous experience with mission management.
• Demonstrated understanding of agile development within a scrum team.
• Strong mathematics background.
• Experience with CI/CD tools such as Jenkins, Git Lab CI, etc. Security Clearance Statement:
This position requires a government security clearance, you must be a US Citizen for consideration. Clearance Level: TS/SCI 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…
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