Java Software Engineer - Level 3

This onsite role in King of Prussia, PA offers a stable, mission-driven environment with a strong emphasis on career growth and work‑life balance. You will join an experienced team delivering full‑stack Java and JavaScript software for space domain systems on an Agile Scrum framework.

Benefits and culture

• Medical plans with many options, with on‑site medical available at some Lockheed Martin locations
• Dental coverage
• 401k with generous matching
• Generous paid time off
• Work/life balance and a family‑friendly environment
• Career development with growth and learning opportunities for aspiring minds
• Fun, talented, and witty teammates
• Knowledgeable, supportive leadership
• Community-minded organization
• Mentorship opportunities
• Rewards and recognition
• Generous tuition reimbursement

Responsibilities

• Lead and perform all phases of software development for user interfaces and software services, including design, implementation, integration, testing and verification
• Develop services that solve optimization problems such as dynamic programming, non‑linear optimization and over‑constrained planning
• Dynamically optimize terrestrial and space‑based systems to support prioritized mission needs
• Collaborate in small, fast‑paced agile teams focused on delivering product to program customers

Requirements

• Extensive experience in Java and/or JavaScript
• Experience with application containerization (Kubernetes, Helm, Docker, Containerd) in a cloud environment (AWS, Azure, OpenStack, OpenShift)
• Experience in an Agile development environment using 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

Technologies

• Java
• JavaScript
• GitLab
• Kubernetes
• Docker
• Rancher
• Helm
• Containerd
• AWS
• Azure
• OpenStack
• OpenShift
• JIRA
• Confluence
• ArgoCD

Security and citizenship

• This position requires a government security clearance
• US Citizenship is required for consideration
• Clearance level: TS/SCI

Additional information

• Expression of Interest: By applying to this job, you express interest in this position and may be considered for other opportunities with similar skills and requirements
• Ability to Work Onsite: This is an onsite full‑time role performed at a Lockheed Martin facility
• Work schedules: Lockheed Martin offers various alternate schedules for additional flexibility; schedules may be standard five‑day weeks or condensed
• Schedule: 9x80 every other Friday off
• Equal opportunity employer: Qualified candidates will be considered without regard to legally protected characteristics
• Application window closes in 90 days; applying within 5–30 days of posting is recommended for optimal consideration