Leidos’ Defense Sector is seeking a Journeyman Software Engineer to support an Army Program focused on delivering advanced capabilities for operational decision-making in complex and dynamic environments. We are looking for a Journeyman Software Engineer who supports the design, development, testing, and maintenance of software applications and systems. This role is ideal for an engineer with a solid technical foundation who is ready to take on moderately complex tasks, contribute to team-based development efforts, and grow toward greater technical independence. The engineer will collaborate with senior staff, participate in code reviews, and help ensure high-quality, maintainable software solutions.

Locations include Aberdeen Proving Ground, MD; Fort Belvoir, FL; Tampa, FL

This position is contingent upon program award, anticipated late March.

Primary Responsibilities:

• Develop, test, and maintain software components under the guidance of senior engineers.
• Assist in translating functional requirements into technical specifications and implementation plans.
• Participate in code reviews, contribute constructive feedback and learn best practices.
• Troubleshoot and debug software issues across development and test environments.
• Contribute documentation, including design notes, user guides, and technical specifications.
• Collaborate with cross‑functional teams, including QA, product management, and systems engineering.
• Support integration, deployment, and verification activities.
• Follow established development processes, coding standards, and configuration management practices.
• Participate in agile development such as sprint planning, standups, and retrospectives.
• Prepare and maintain detailed engineering documentation, including specifications, test reports, and design artifacts.

Basic Qualifications:

• Bachelor’s degree in computer science, Software Engineering, or related technical field with 4+ years of experience or a Master’s degree with 2+ years of experience. Additional experience may be considered in lieu of a degree.
• Active Secret clearance with the ability to obtain a TS/SCI.
• Professional software development experience.
• Proficiency in at least one modern programming language (e.g., Java, C#, Python, JavaScript/TypeScript).
• Experience with version control systems such as Git.
• Understanding of software engineering fundamentals, including data structures, algorithms, and design patterns.
• Familiarity with RESTful APIs, microservices, or distributed systems.
• Ability to work collaboratively and communicate effectively within a team environment.
• Strong analytical, troubleshooting, and communication skills.

Preferred Qualifications:

• Experience with cloud platforms (Azure, AWS, or GCP).
• Knowledge of CI/CD pipelines and automated testing frameworks.
• Exposure to containerization technologies such as Docker or Kubernetes.
• Experience with relational or NoSQL databases.
• Familiarity with front‑end frameworks (React, Angular, Vue) or back‑end frameworks (.NET, Spring, Django).

• Background in agile development environments.
• Strong analytical and problem‑solving skills with a desire for continuous learning.

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:

February 26, 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.