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Java Software Engineer - Level 3 with Security Clearance
Lockheed MartinKing of Prussia, PA🇺🇸United StatesPosted 13 Jul 2026
Quick Overview
Work Type
On Site
Schedule
Employee
Level
Mid Senior
Job Description
Job Number 730120BR Description: Protecting what matters most is the mission that matters most. 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. 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. And we're reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. We are looking for talented Software Engineers with a passion for developing creative solutions spanning Space Domain Awareness, Space Battle Management Command/Contr ol, Modeling/Simulation, Wargaming and Test/Training. If you are a team-oriented, full stack, Java/JavaScript software developer with a background in orbital mechanics, mathematics, gaming and optimization strategies, come join us. Our team leverages industry standard open-source software solutions such as GitLab, Kubernetes, Docker, and Rancher. Our automation-first and "everything as code" mindset allows our software engineers to focus their time and efforts on what is most important - building cutting edge functionality for our end users. As a Software Engineer on an Agile Scrum Team, you will have the opportunity to rapidly develop and deploy solutions for a complex space system following core engineering principles, ultimately enabling the delivery of fully functioning mission capability to end users securely and continuously. You will be working side by side with extraordinarily talented and experienced engineers, while having the opportunity to lead and mentor less experienced individual Summary of Key Duties for this position: • Performance of all phases of software development (user interface and software services) including design, implementation, integration, testing and verification • Developing services that solve optimization problems (dynamic programming, non-linear optimization, over-constrained planning, etc. ) • Dynamically optimizing both terrestrial and space-based systems to support prioritized mission needs • Work collaboratively in small, fast paced agile teams, focused on product delivery to program customers This position will sit in King of Prussia, PA . King of Prussia, PA Basic Qualifications: • Extensive experience in Java and/or JavaScript. • Experience with application containerization (Kubernetes, Helm, Docker, Containerd) in a cloud environment (AWS, Azure, OpenStack, OpenShift) • Experience working in an Agile development environment, using tools such as JIRA and Confluence • Experience with CI/CD - Deployment pipelines, automated build, and configuration tools (Gitlab, ArgoCD) • Must be a US Citizen and eligible to obtain TS/SCI clearances. Desired Skills: • Bachelors degree from an accredited college in a related discipline, such as Math, Physics, Aerospace Engineering, Systems Engineering, Software Engineering or other engineering disciplines • Familiarity with the Space Domain • Knowledge of Orbital dynamics and Astro Standards math li braries • Experience designing and implementing algorithms • Experience working as a member of an Agile Scrum or Kanban team To promote the sharing of ideas, Lockheed Martin fosters a work environment that encourages big-picture thinking. Our employees play an active role in strengthening the quality of life where we live and work by volunteering more than 850,000 hours annually. Benefits you can enjoy include: • Medical {many choices of plans; some LM locations have on-site medical} • Dental • 401k {with generous matching} • Generous Paid time off • Work/life balance, family-friendly environment • Career development, career-growth, and lots of learning opportunities for aspiring minds • Fun, talented, and witty teammates • Knowledgeable, supportive, and engaged leadership • Community-minded organization • Mentorship opportunities • Rewards && recognition • Generous Tuition Reimbursement We are committed to enabling transitioning veterans to connect with their communities and find new purpose as they reintegrate into civilian life. By clicking on the link, you can find out more on how we proudly support Hiring Our Heroes. #SpaceSBD 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 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 tr uly 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: SPACE Relocation Available: Possible Career Area: Software Engineering Type: Full-Time Shift: First
Skills
Docker
OpenStack
AWS
Linear
Scrum
Agile
ArgoCD
Astro
Azure
Confluence
Helm
Java
JavaScript
Jira
Kanban
Kubernetes
LESS
SAFe
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