Python Software Engineer

Company: Leidos
Location: Annapolis Junction
Posted on: April 1, 2026

Job Description:

Leidos has a new and exciting opportunity for a Software Engineer in our Intelligence Sector's Cyber & Analytics Business Area (CABA) . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos , we offer competitive benefits , including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! Leidos is seeking a Software Engineer (SWE) with deep , hands on expertise in Python, Docker, Git, MongoDB, and GitLab/GitHub. The ideal candidate will drive the design, development, deployment, and ongoing optimization of scalable software solutions. This role will provide software development support, set engineering best practices, and ensure high quality delivery of mission critical systems. Primary Responsibilities Develop and maintain applications using Python Build, deploy, and manage containerized applications with Docker. Design and optimize database solutions with MongoDB. Collaborate with team members using Git for version control and code reviews. Ensure smooth CI/CD processes and participate in the full software development lifecycle. Participate in code reviews and provide feedback. Provide on-site technical support, including diagnosing and resolving issues with hardware, applications, and user environments. Perform system administration tasks as needed to maintain operational stability across multiple locations. Manage and execute deployments to all production sites, including pushing new software versions, validating successful rollouts, and ensuring minimal disruption to business operations. Collaborate with cross functional teams to troubleshoot complex issues and maintain high system availability. Basic Qualifications Bachelor’s Degree in Computer Science or related discipline from an accredited college or university and Seven (7) years’ experience as a SWE, in programs and contracts of similar scope, type, and complexity. Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor’s degree and will be considered on a case by case basis. Proficiency in Python, Docker, and MongoDB. Strong understanding of Git and collaborative workflows. Experience with Javascript (Angular2 and/or React) for UI development. Familiarity with CI/CD tools and Agile methodologies. Excellent problem-solving and communication skills. Exposure to tools such as Ansible, JIRA, Bitbucket, and Terraform is a plus. Familiarity with Kubernetes is desired. Security Clearance Requirement:: Must possess active TS/SCI with polygraph to be considered for this role. At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today conmd kqw 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: January 20, 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: Pay Range $107,900.00 - $195,050.00 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.

Keywords: Leidos, Dale City , Python Software Engineer, IT / Software / Systems , Annapolis Junction, Virginia