Software Developer Security Clearance

Position: Software Developer with Security Clearance
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- Description Make an Impact with Leidos! Leidos National Security Sector has an opportunity in the Integrated Tactical Warning/Attack Assessment (ITW/AA) and Missile Defense mission areas. Your Greatest Work is Ahead! This Software Developer role includes trade studies, system engineering, model-based system engineering, portfolio analysis, software development demonstration and product testing and deployment to Cheyenne Mountain. Leidos is focused on finding the best people, processes, and tools that will provide solutions in data integration and fusion, data analytics, data mining, predictive analytics, data visualization, and decision support tools.

This position will report directly to the Program Manager.

Primary Responsibilities:

* Design and implement containerized environments for Java adn C++ applications.
* Develop mission-critical software supporting missile defense systems.
* Communicate and document technical solutions for integrated engineering teams in a fast-paced environment.
* Stay updated on state-of-the-art programming techniques and technologies.
* Conduct software design and code reviews to ensure product quality.
* Collaborate with System Engineering teams to synchronize, schedule, and demonstrate capabilities to customers.
* Manage regression coding and deployment delays with third-party contractors and stakeholders.

Required Qualifications:

* Bachelor’s degree in Software development or related discipline with 4+ years of relevant experience. (Additional related experience, training, and/or certifications may substitute degree requirements)
* US Citizen;
Currently possess an active DoD Secret security clearance.
* Expertise in C++ and Java programming.
* Experience in developing micro-services and containerized environments.
* Strong ability to work independently and collaboratively within engineering teams.
* Familiarity with Agile software development processes.

Preferred Qualifications:

* Master's degree in associated field
* Effective communication skills and experience managing multiple tasks.
* Experience in FORTRAN
* Experience with missile warning and missile defense
* Understanding of missile warning message types EIO
2024 If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting:
December 4, 2025 For U.S. Positions:
While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range:
Pay Range $87,100.00 - $ The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit  . Pay and Benefits Pay and benefits are fundamental to any career decision.

That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at  . Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application…