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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 2026-06-03
Job specializations:
  • Software Development
    Software Engineer, Java Developer, Full Stack Developer, DevOps
Job Description & How to Apply Below
Position: Software Engineer Sr. with Security Clearance
Job Number 728028

Description:

WHO WE ARE On the C2 Ground program, we are a dynamic and diverse team on a recurring multi-year, critical program. Our software products focus on key areas such as Tasking, Processing, Exploitation, and Dissemination (TPED), Communications, and Messaging. WHAT WE'RE DOING On C2 Ground, we harness advanced technologies to deliver and maintain mission-relevant capabilities for our customers. We utilize a range of innovative tools and methodologies to ensure consistent quality, effective collaboration, and security-centric development.

THE WORK As a member of our software development team, you will work within an Agile Product team focused on technical development, bug fixes, and enhancements of front-end and/or back-end portions of our Command and Control Systems supporting airborne platforms. You'll take an active part in the ownership of our software products, and support our ability to deploy high-quality solutions that meet the evolving needs of our customers.

In this role, you will:
• Design, develop, modify, document, test, and debug software for our system using agile methods.
• Write source code for new applications, and/or generate and enhance code for existing applications.
• Plan, conduct, and coordinate software development activities.
• Apply the appropriate standards, processes, procedures, and tools throughout the development life cycle.
• Apply knowledge of computer hardware and software, subject matter to be programmed in business/mission applications, information processing techniques used, and information gathered from system users to develop software.
• Correct program errors, prepare operating instructions, compile documentation of software development, and analyze system capabilities to resolve questions of program intent, output requirements, input data acquisition, programming techniques, and controls. WHO YOU ARE
• You are an experienced software engineer who enjoys working independently and as part of a team solving complicated problems using modern technical standards, principles, theories, concepts, and techniques. WHY JOIN US We believe that flexibility is the future of work. We are proud to offer a flexible 4X10 work schedule that supports our employees' diverse personal needs. Our competitive pay and comprehensive benefits enable you to live a healthy, fulfilling life at and outside of work.

Basic Qualifications:

• BS in Computer Science, Software Engineering, Computer Engineering, or equivalent STEM field
• 4+ years professional experience using C++ and/or Java
• Software design and testing experience in a professional environment
• Experience utilizing Agile software development methodologies and tools such as Git, Gitlab, JIRA Desired

Skills:

• C++ development and IDE experience especially MS Visual Studio
• Java development and IDE experience
• Experience with Atlassian or similar Agile tool suite
• Working knowledge of Qt software framework
• Experience with Active

MQ or similar messaging services
• Experience with SQL databases 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: 4x10 hour day, 3 days off per week Pay Rate:
The annual base salary range for…
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