Senior Software Engineer - Clearance Required

JOB ID: 724556BR

Date posted: Apr. 14, 2026

Description:

We are hosting A Lockheed Martin Space In-Person hiring event in the middle of June and is in the vicinity of King of Prussia, PA. This event will be by invitation only and the exact date and location will be disclosed at a later date. The Software Engineering roles do require a clearance to start. Please apply to be considered.
This hiring event is for experienced professionals and is for external candidates only. We are hiring levels 2-5. If you are interested in joining Lockheed Martin as a software engineer, please apply to this requisition.
Lockheed Martin Space is seeking full time Software Engineers. In this role, you will support the software engineering lifecycle following the program Software Development Plan (SDP) to include requirements analysis, object oriented analysis & design, code & unit test, integration, and support to formal test/delivery.
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.
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.

Basic Qualifications:

• Experienced in software development using programming and scripting languages such as C++, Java, JavaScript, C#, Python, etc.
• Experience working in an Agile development environment, including tools such as Jira and Confluence
• US citizenship is required to obtain a government security clearance
• Active Top Secret clearance with the ability to obtain and maintain SCI clearances
• Active/Final Secret Clearance or above to Start

Desired Skills:

• Experience in application containerization (e.g. Docker, Kubernetes, Helm, etc.) in a cloud environment (AWS/Azure/Openstack/Openshift)
• Experience with frameworks such as .NET Core, Angular, etc.
• Experience with GitLab CI/CD - Deployment pipelines, automated build, and/or configuration tools
• Experience with databases (PostgreSQL & Redis)
• Strong knowledge of modern technology frameworks, cloud platforms (AWS, Azure, GCP), microservices, APIs, DevOps, and data architecture.
• Experienced with Horizon software application providing command and control services for satellites, antennas, and ground hardware assets.
• Experience with modern engineering practices such as Cross-Functional Agile teams and Capability-based planning
• Active Top Secret clearance
• Bachelor's degree in a related discipline, such as Computer Science, Software Engineering or other engineering disciplines or equivalent experience,

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 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.

Experience Level:

Experienced Professional

Business Unit:

SPACE

Relocation Available:

Possible

Career Area:

Software Engineering

Type:

Full-Time

Shift:

First

At Lockheed Martin, we apply our passion for purposeful innovation to keep people safe and solve the world's most complex challenges.

Pioneering Defense Technology: From aerospace to outer space to cyber space, you can innovate mission solutions alongside the best minds in the business.

United By Culture: Excellence, integrity, and collaboration define us. We accelerate change and embrace one another’s perspectives to win for our customers.

Real Impact, Real Growth: Grow your career and skills for life. Our wide array of opportunities and technology-driven learning programs enable your development and agility.

Your Health, Your Wealth, Your Life: Competitive pay, comprehensive benefits and flexible schedules designed so you thrive — at work and beyond.

Empowered to Be Your Best: Use your strengths to make a difference in the lives of one another, our customers, our communities, and our planet.

Here, the possibilities are endless because we offer:

Flexible Schedules, dependent on role

Levels: Student, Entry, Mid, Senior, Management

Locations: Nationwide & OCONUS Positions