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Senior Software Engineer - Top Secret Clearance Required Security Clearance

Job in King of Prussia, Montgomery County, Pennsylvania, 19406, USA
Listing for: Lockheed Martin
Full Time position
Listed on 2026-01-14
Job specializations:
  • Engineering
    Software Engineer, Systems Engineer, Cybersecurity
Job Description & How to Apply Below
Position: Senior Software Engineer - Top Secret Clearance Required with Security Clearance
Job Number 706908

Description:

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.

Within LM Space, the Echo Program Area is looking for a highly motivated individual to join the program area as a Software Engineer. This exciting position will fill a critical need in the new and emerging area of protecting space assets.
• You will be working with a custom built software framework and its baseline while integrating into new industry standard and development pipeline tools.

• As part of an Agile team, you will have the opportunity to work on a variety of tasks in various areas across the mission and collaborate with the development teams, contractors, customers, and subject matter experts.
• You will work closely with the Product Owner and the Chief Engineer/Chief Architect to support Customer design reviews and various other milestone events. This position provides the opportunity to be a part of the entire engineering life-cycle, where the candidate will be able to apply their Software Engineering background at the lowest level all the way up through full system functionality.

The Echo Program Area provides a variety of development efforts and opportunities focused on meeting customer driven and operational needs. If you are looking for a new position in a fast-paced team environment, where every day brings a new challenge, and you want to support a critical space security mission, the Echo Program Area is the place for you. Applicants selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information, and must maintain the required security throughout the course of employment.

Basic Qualifications:

• Recent coding experience in one or more of the following: C#, Java or .NET (dotnet) core

• Strong software design, problem solving, and troubleshooting skills

• Final, active Top Secret security clearance required to start.

• Ability to obtain additional program accesses
Desired

Skills:

• Full development lifecycle experience

• Experience working on an Agile scrum team

• Experience with Dev Sec Ops  
• Experience with Cloud technologies and/or Software Factory

• Experience with automated testing

• Experience with CI/CD

• Outstanding teamwork and communications skills

• Experience with Git, JIRA, Confluence

• Experience producing quality documentation

• Experience with digital signal processing

• Domain knowledge of planning and scheduling antenna resources
• Domain knowledge of control and statusing antenna resources

• Security+ certification or CISSP

• Experience with LM's products Horizon, Astrolabe, and/or Chronos #LMSpace Software Eng
#Space Security
Security Clearance Statement:
This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: Top Secret
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…
Position Requirements
10+ Years work experience
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