We’re hiring Software Developers at multiple levels.
Leidos Defense Sensors is seeking multiple Software Developers across various experience levels to join our Sensor Research and Analysis Division and support critical missile defense programs. We are hiring for several types of software development roles, including positions focused on feature and enabler development within Agile teams, as well as roles dedicated to defect resolution and rapid‑response support during major test events.
As a Software Developer, you will develop, create, and modify general computer application software and specialized utility programs. You will also analyze user needs and translate them into effective software solutions for our customers. Depending on the specific role, you may work directly on an Agile Software Development team to help achieve key program objectives in support of our national defense.
Ideal candidates bring strong analytical and problem‑solving skills, work effectively in a collaborative team environment, and build strong working relationships with peers and technical staff across the program. In all of these roles, you will play a vital part in enhancing system performance and advancing mission‑critical objectives in support of our national defense.
Perform high‑level software development using C++, Java, or similar languages, including design, development, troubleshooting, and debugging of software components.
Collaborate with program experts and user‑community stakeholders to design, enhance, and debug existing software, and to develop new capabilities for integration into existing systems.
Apply sound software engineering principles to ensure code is modifiable, efficient, reliable, understandable, fault‑tolerant, and reusable; support software process management and control throughout the development lifecycle.
Create and maintain automated software builds and pipelines within a Continuous Integration/Continuous Deployment (CI/CD) environment.
Contribute to software development activities as part of an Agile team, including Program Increment (PI) Planning, Feature and Story development, Sprint Planning, Iteration Retrospectives, and related team ceremonies.
Participate in team and program‑level demos, including Sprint Reviews, to showcase completed work and support continuous improvement.
Maintain a positive, proactive, and collaborative attitude, contributing to a productive team culture and demonstrating enthusiasm for solving complex challenges.
This posting is for multiple opportunities ranging in years of experience. Level of opportunity, including compensation, will be matched to a candidate's experience. If you’re excited about the work but your experience level differs – PLEASE APPLY!
Bachelor of Science in Computer Science, Software Engineering, or a related technical field from an ABET‑accredited institution and 2–4 years of experience in the design, development, and testing of real‑time software applications and simulations; or a Master’s degree in Computer Science, Software Engineering, or a related technical field from an ABET‑accredited institution with less than 2 years of relevant experience simulations
Proficiency in C++
Experience with Java and user interface development
Experience with GitLab/Git for version control
Experience with Red Hat Enterprise Linux (RHEL) environments
Knowledge of Agile methodologies, such as the Scaled Agile Framework (SAFe), and application of the Agile methodologies within a technical/engineering environment.
Strong written and verbal communication skills with the ability to create and deliver presentations
Must be a US citizen possess and maintain an active DoD Secret clearance
Candidate must be a resident of the North Alabama area to provide full time onsite support
Relevant DoD or industry experience in missile defense
Agile Scrum experience and familiarity with Agile methodologies such as the Scaled Agile Framework (SAFe)
Experience with Jira, VersionOne, or similar Agile project‑management and issue‑tracking tools
Experience developing and maintaining CI/CD pipelines (e.g., Ansible, Jenkins)
Experience with Python
Familiarity with modeling and simulation tools
Experience with multi‑core and multi‑threaded programming
Understanding of systems engineering concepts (not required to be a systems engineer)
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.
July 8, 2026
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 $69,550.00 - $125,725.00
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.
Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health. The company's global workforce of 48,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $15.4 billion for the fiscal year ended December 29, 2023.
Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.
Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.
Your most important work is ahead, visit careers.leidos.com for our latest opportunities.
