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Software Engineer, Senior (Level III) - TS/SCI w Poly

Lockheed Martin

King Of Prussia, PA
Full Time
Senior
1 day ago

Job Description

About the Role

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. This is an exciting software development position within the growing Space Security division within Mission Solutions! Join one of the Foxtrot Program Area's Software Development Teams.

Key Responsibilities

  • Software design, coding, and unit testing for mission-critical applications.
  • Investigation into ad-hoc issues and analysis to resolve complex mission problems.
  • Participation in Agile Scrum activities including daily scrums, sprint/release planning, demos, and retrospectives.

Requirements

  • Recent software development experience in C#, Python, and Java.
  • Ability to design software solutions to address complex problems.
  • Comfortable working in an Agile Scrum environment.
  • Typically possess 5 years of professional experience or equivalent education/experience.
  • Willing to provide consent and submit for a Polygraph Examination related to security clearance.
  • Must be a U.S. Citizen.
  • Current Top Secret security clearance with SCI Eligibility (adjudicated or ability to obtain SCI access).
  • Prior to employment, must possess Active Top Secret security clearance with adjudicated SCI Eligibility (TS/SCI) and a favorably adjudicated Polygraph.

Nice to Have

  • Proficiency with Git and/or similar Version Control Systems (VCS).
  • Experience with Jenkins and/or similar tools.
  • Familiarity with LM Products Horizon or Conductor.

Qualifications

  • Bachelor's Degree from an accredited college/university in a related discipline or equivalent experience/education.

Benefits & Perks

  • Support for a variety of alternate work schedules, including 9x80 schedule with every other Friday off.
  • Flexible schedules providing additional time away from the office.
  • Competitive pay and comprehensive benefits.
  • Opportunities for career development and diverse career opportunities.
  • Inclusive work environment built upon integrity and corporate responsibility.

Working at Lockheed Martin

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. We prioritize our employees by providing diverse career opportunities, flexible schedules, and fostering an inclusive environment built upon integrity and corporate responsibility.

Apply Now

Job Details

Posted AtJun 20, 2025
SalaryCompetitive salary
Job TypeFull Time
Work ModeOnsite
ExperienceSenior

About Lockheed Martin

Website

lockheedmartin.com

Company Size

10000+ employees

Location

King Of Prussia, PA

Industry

Aerospace Product and Parts Manufacturing

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