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Java Software Engineer III

Job in King of Prussia, Montgomery County, Pennsylvania, 19406, USA
Listing for: Lockheed Martin
Full Time position
Listed on 2026-01-23
Job specializations:
  • Software Development
    Software Engineer, Java Developer
Salary/Wage Range or Industry Benchmark: 80000 - 120000 USD Yearly USD 80000.00 120000.00 YEAR
Job Description & How to Apply Below

Overview

Combat Effectiveness Core (CEC) team is building a space combat simulator to model space conflicts. The team builds on this foundation for our partners by creating Mission Applications spanning Space Domain Awareness, Battle Management Command/Control and Test/Training. We are looking for strong, team‑oriented full stack Java/JavaScript software developers with background in orbital mechanics, mathematics, gaming and optimization strategies a plus.

Key Duties
  • Performance of all phases of software development (user interface and software services) including design, implementation, testing and verification.
  • Developing services that model orbital mechanics (propagation, orbit determination, in‑view calculations, etc.).
  • Developing services that solve optimization problems (dynamic programming, non‑linear optimization, over‑constrained planning, etc.).
  • Detailed analysis and validation that algorithms are physically accurate and satisfy customers' mission.
  • Work collaboratively in small, fast paced agile teams, focused on product delivery to program customers.
Basic Qualifications
  • Extensive experience in Java and/or JavaScript.
  • Strong critical thinking and problem solving skills.
  • Ability to communicate effectively and work in a collaborative environment.
  • Must be eligible to obtain TS/SCI clearances.
Desired Skills
  • Bachelor's 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 libraries.
  • Experience designing and implementing algorithms.
  • Experience with databases (e.g., Postgre

    SQL).
  • Experience working as a member of an Agile Scrum or Kanban team.
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.
  • Ability to Work Remotely: Part‑time Remote Telework – the employee selected will work part of the schedule remotely and part at a designated Lockheed Martin facility.
  • Work Schedules:
    Lockheed Martin supports a range of alternate work schedules that provide additional flexibility. Schedules range from standard 40 hours over a five‑day week to condensed schedules that provide additional time away from the office.
  • Schedule for this Position: 9x80 every other Friday off.
Opportunity Details

Experience Level: Experienced Professional
Business Unit: SPACE
Relocation Available: Possible
Career Area: Software Engineering
Type: Full‑Time
Shift: First

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.

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