Leidos' Defense Systems Land Systems is seeking a
Modeling and Simulation Software Developer to join our team...with the ability and experience to work missile defense projects within the BMD Simulations and Analysis Portfolio. As a Software Developer, you'll directly support the Agile Software Development in achieving specific program objectives in support of our nation's defense. In this role, you will also develop, create, and modify general computer applications software or specialized utility programs. Also, analyze user needs and develop software solutions for our customer. The ideal candidate will possess excellent analytical and problem-solving skills, be a strong team player, and can establish solid working relationships with peers and technical staff members within the program.
Primary Responsibilities- Perform high-level software development functions using C++, Java or similar languages including design, development, troubleshooting, and debugging software programs.
- Collaborate with other experts within the program and in the user community to design, develop, and debug existing software, and to design and develop enhancements that incorporate new capabilities into various components of the existing systems.
- Responsible for using sound software engineering principles to ensure that developed code is modifiable, efficient, reliable, understandable, fault tolerant, and reusable, including providing software process management and control throughout the coding portion of the software development process.
- Creating and running automated software builds and pipelines in a Continuous Integration/Continuous Deployment (CI/CD) environment
- Contribute to software development activities as a member of an agile team and actively participate in program increment planning, Feature and Story development, Sprint Planning, Demos, Iteration Retrospectives and related team activities.
Basic Qualifications- Bachelor's degree with 4-8 years of prior relevant experience or Masters with 2-6 years of prior relevant experience
- Proficient in C++
- Experience with Red Hat Enterprise Linux OS
- Experience programming network connections (message generation, formatting, UDP and TCP/IP interfaces)
- Creating and running unit test
- Developing software documentation
- Creating and running automated software builds and pipelines in a Continuous Integration/Continuous Deployment (CI/CD) environment
- Collaborating with Stakeholders and Government customers
- Working within an Agile team environment, to include Program Increment Planning, Iteration Planning, Feature and Story development, Sprint Planning, and Iteration Retrospectives.
- Participating in demos for the team and program Sprint reviews
- Must be a US citizen possess and be able to maintain an active secret clearance
- Full time onsite support
- Must be a resident of the North Alabama area.
Preferred Qualifications- Knowledge of Agile methodologies, such as the Scaled Agile Framework (SAFe), and application of the Agile methodologies within a technical/engineering environment
- Experience developing and/or supporting CI/CD pipelines (Ansible, Jenkins)
- Experience with Python or Java and user interfaces
- Familiarity with Jira - issue tracking and agile project management, or similar tool
- Experience with Multi-core and multi-threaded programming
- Relevant DoD and/or Industry work experience in Missile Defense
Original Posting:May 28, 2026
Pay Range:Pay Range $87,100.00 - $157,450.00
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.
