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Software Engineer Sr Security Clearance

Job in Littleton, Arapahoe County, Colorado, 80120, USA
Listing for: Lockheed Martin
Full Time position
Listed on 2025-12-10
Job specializations:
  • Engineering
    Systems Engineer, Software Engineer
Job Description & How to Apply Below
Position: Software Engineer Sr with Security Clearance
Job Number 712642

Description:

WHO WE ARE
Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering. LM SPACE: WHAT WE'RE DOING
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. THE WORK
The Lockheed Martin Space Mission Processing team is seeking a highly skilled and motivated Software Engineer to join our development team in Littleton, CO. As a Software Engineer, you will work with a team of developers to design, develop, test, and deploy a novel satellite payload simulator, driving a new generation of satellite mission processing capabilities. This is a unique opportunity to contribute to innovative, forward-leaning programs while working alongside some of the brightest minds in the industry.

This is an EARLY-MID CAREER (level
3) ROLE where candidates typically require 3+ years of professional experience.

Responsibilities include:

• Planning and conducting software development activities

• Designing, developing, documenting, testing, & debugging software for a system performing complex calculations including orbital projection and satellite payload behavior and performance

• Applying the appropriate standards, processes, procedures, and tools throughout the development life cycle. This will include working within an Agile workflow and supporting major program milestone events (e.g., SRR, PDR, CDR) from initial design through final delivery of a product

• Correcting program errors, preparing operating instructions, compiling documentation of program development, and analyzing system capabilities, output requirements, input data acquisition, programming techniques and controls

• Ensures software standards are met in conjunction with team leadership If you think this describes you and you are looking for an opportunity to grow and challenge yourself, we would love for you to apply! WHY JOIN US
Opportunity for Impact:
Join a team that is at the forefront of innovation in the aerospace and defense industry and make a significant impact on the success of our organization. Professional Development:
Take advantage of unparalleled opportunities for growth and advancement within Lockheed Martin, with access to world-class training and development programs. Collaborative Culture:
Work alongside some of the brightest minds in the industry who share your passion for excellence and who are committed to supporting each other's success. Competitive Benefits:
Lockheed Martin employees play an active role in strengthening the quality of life where we live and work by volunteering more than 850,000 hours annually. Here are some of the benefits you can enjoy:
• Medical

• Dental

• 401k

• Paid time off

• Work/life balance

Career development

Mentorship opportunities

• Rewards & recognition We care about our employees and offer a generous benefits package : 401K, PTO, and work/life balance and more.

Basic Qualifications:

• 3+ years of related experience working on software development projects

• Ability to interact with peer-developers to facilitate interoperability with other subsystems

• Demonstrated understanding of software development practices

• Experience with computationally…
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