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Principal Software Engineer

Leidos

$126,100 - $227,950
Aug 20, 2025
Bethesda, MD, USA
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Leidos is seeking a Principal Software Engineer to build strong systems, software, and cloud environments while providing operations and maintenance for critical systems within the National Security Sector's Cyber & Analytics Business Area.

Requirements

  • In-depth use and experience in common Agile practices, service-orientated environments, and development practices
  • In-depth experience with Java, Spring, C2S and the software development lifecycle, delivering within DevOps toolsets/practices
  • Direct experience utilizing software testing performance tools, such as Junit/Katalon and scripting languages, such as Python and Bash, while working in an Agile development environment
  • In-depth experience with development in Commercial Cloud Platforms (ex, AWS, Google Cloud, Azure) and leveraging cloud data services (ex: S3, RDS, EFS)
  • In-depth experience using version control systems and issue/problem tracking systems
  • Experience with structured analysis and design methodologies
  • Understanding of the customer's system development policies.

Responsibilities

  • Participates in and/or directs software programming initiatives using Java, JavaScript, Python, SpringBoot, and Hibernate.
  • Develops software system validation and testing methods using Junit and Katalon and uses integrated custom developed software solutions to leverage automated deployment technologies
  • Develop, prototype and deploy solutions within Commercial Cloud Solutions leveraging infrastructure platform services
  • Coordinate closely with team members, Product Owners and Scrum Masters to ensure User Story alignment and implementation to customer use cases
  • Support the Agile software development lifecycle following SAFe practices, using industry leading DevOps tools like GitHub, Jenkins, Unix bash scripting and leveraging tools such as JIRA and Confluence to track activities
  • Analyze (though proof of concept, performance, and end-to-end testing) and effectively coordinate Infrastructure needs driven by developed software to meet customer mission needs.
  • Apply and identify best practices and standard operating procedures creating innovative solutions to meet the technical needs of customers.

Other

  • Bachelor’s degree with 12+ years of prior relevant experience or Master’s with 10+ years of relevant experience.
  • To be considered must have an active TS/SCI with polygraph security clearance