Software Engineer / Senior Software EngineerLocation: Bethesda, MarylandClearance and Citizenship: MUST Possess a TS/SCI Polygraph and MUST be a US Citizen as required by this customer. No Exceptions.We are seeking talented
Software Engineers and Senior Software Engineers to support the design, development, implementation, testing, operations, and maintenance of mission-critical systems, software, and cloud environments.
Working within a DevOps framework, successful candidates will contribute to major project deliverables throughout the software development lifecycle, including scope definition and work estimation, architecture and design, coding, and unit testing.
Candidates will be considered for the appropriate level based on their qualifications and relevant experience.
Primary Responsibilities- Software Development: Participate in and/or direct software programming initiatives using Java, JavaScript, Python, Spring Boot, and Hibernate.
- Software Testing and Validation: Develop software system validation and testing methods using JUnit and Katalon, integrating custom-developed solutions to support automated deployment technologies.
- Cloud-Based Development: Develop, prototype, and deploy solutions within Commercial Cloud Solutions, leveraging infrastructure platform services.
- Agile Collaboration: Coordinate closely with team members, Product Owners, and Scrum Masters to ensure User Story alignment and implementation in accordance with customer use cases.
- DevOps and Automation: Support the Agile software development lifecycle following SAFe practices, utilizing GitHub, Jenkins, Unix Bash scripting, JIRA, and Confluence.
- Infrastructure Analysis: Analyze infrastructure requirements through proof-of-concept development, performance testing, and end-to-end testing, and coordinate infrastructure needs driven by developed software to meet customer mission requirements.
- Continuous Improvement: Identify and apply software development best practices and standard operating procedures to create innovative solutions that address customer technical needs.
Security Clearance Requirement - All candidates MUST possess an active TS/SCI with polygraph security clearance.Required Skills and QualificationsCandidates must demonstrate the following qualifications at the level appropriate to the position:
- Agile Development: Strong experience (T3) or significant experience (T4) with common Agile practices, service-oriented environments, and software development practices.
- Software Development: Strong experience (T3) or significant experience (T4) with Java, Spring, C2S, and the software development lifecycle, including delivering solutions within DevOps toolsets and practices.
- Software Testing and Scripting: Direct experience utilizing software testing and performance tools, such as JUnit and Katalon, and scripting languages, including Python and Bash, within an Agile development environment.
- Cloud Technologies: Strong experience (T3) or significant experience (T4) developing solutions in commercial cloud platforms (e.g., AWS, Google Cloud, Azure) and leveraging cloud data services (e.g., S3, RDS, EFS).
- Version Control and Tracking: Strong experience (T3) or significant experience (T4) utilizing version control systems and issue/problem tracking systems.
Education and ExperienceSoftware Engineer - Bachelor's degree with 4 or more years of relevant experience; or
- Master's degree with 2 or more years of relevant experience.
- Additional years of experience may be substituted in lieu of a degree.
Senior Software Engineer- Bachelor's degree with 8 or more years of relevant experience; or
- Master's degree with 6 or more years of relevant experience.
Preferred Qualifications- Experience with structured analysis and design methodologies.
- Understanding of the customer's system development policies.
Original Posting:November 10, 2026
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.