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Principal Software Engineer

Leidos

$148,850 - $269,075
Sep 3, 2025
Aurora, CO, USA
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Leidos is seeking a Software Engineer to support a complex program within the National Security Sector's Cyber & Analytics Business Area, focusing on new design and prototyping in a fast-paced Agile environment.

Requirements

  • 20 years’ experience as a SWE in programs and contracts of similar scope, type, and complexity.
  • Must have Java development experience
  • Proficiency with Git, Linux, Jira, Confluence, Eclipse.
  • Experience with React or similar libraries (Vue, Angular).
  • Experience in complex database or data repository interfaces/queries.
  • Proven ability to ensure quality control of developed and modified software.

Responsibilities

  • Analyze user requirements to derive software design and performance requirements.
  • Debug existing software and correct defects.
  • Design and code new software or modify existing software to add new features.
  • Integrate existing software into new or modified systems or operating environments.
  • Develop simple data queries for existing or proposed databases or data repositories.
  • Write or review software and system documentation.
  • Develop or implement algorithms to meet or exceed system performance and functional standards.

Other

  • Must have TS/SCI with Polygraph
  • Familiarity with Agile Scrum methodologies.
  • Strong problem-solving skills.
  • Ability to lead technical teams.