Principal Identity Solutions Engineer TS/SCI Polygraph

Leidos Holding$131K — $237K *
Technical Services
11 - 15 years of experience
Job Overview by Ladders

Qualifications

  • Active TS/SCI clearance with polygraph.
  • Bachelor's or higher degree in computer engineering or related field.
  • 15 years of experience in Systems Engineering or related technical roles in enterprise IT.
  • Deep technical knowledge of federation technologies, authentication protocols, and enterprise security architectures.
  • Experience with Linux, Windows, and cloud environments.

Responsibilities

  • Lead the design and implementation of Secure Token Service (STS) and Single Sign-On (SSO) solutions.
  • Manage a multidisciplinary team of developers and system administrators, focusing on mentoring and technical oversight.
  • Gather customer requirements and estimate work efforts for new capabilities and feature enhancements.
  • Install, configure, and maintain commercial identity management platforms in diverse environments.
  • Design federation solutions using modern authentication frameworks such as SAML and OAuth.
  • Develop automation solutions to enhance operational efficiency and maintain documentation in Confluence.
  • Troubleshoot complex identity management and networking issues while adhering to standard SDLC processes.

Benefits

  • Access to continuous training and certification opportunities.
  • Opportunities for career advancement within a leading technology company.
  • Work in a collaborative, multidisciplinary team environment.
  • Engagement in cutting-edge technology projects and solutions.
Full Job Description
Job Summary: The Secure Token Service (STS) Team Lead is responsible for leading the design, implementation, and sustainment of enterprise Identity, Credential, and Access Management (ICAM) solutions focused on Secure Token Services (STS) and Single Sign-On (SSO) capabilities. This role leads a multidisciplinary team of developers, system integrators, and system administrators to architect, deploy, and maintain commercial off-the-shelf (COTS) identity management solutions across enterprise environments. The ideal candidate possesses deep technical expertise in federation technologies, PKI, authentication protocols, cloud environments, and enterprise security architectures while serving as the technical lead for planning, implementation, and customer engagement.

Desired Skills
  • Lead the architecture, implementation, and sustainment of enterprise Secure Token Service (STS) and Single Sign-On (SSO) solutions.
  • Manage and mentor a team of developers, system integrators, and system administrators, including onboarding, training, and technical oversight.
  • Gather customer requirements, develop implementation strategies, and estimate work efforts for new capabilities and enhancements.
  • Install, configure, integrate, and maintain COTS identity management platforms across Linux, Windows, and cloud environments.
  • Design and support federation solutions utilizing SAML, OAuth, OpenID Connect (OIDC), PKI/TLS, and modern authentication technologies.
  • Develop automation solutions and integrate modern and legacy technologies to improve operational efficiency while maintaining technical documentation in Confluence.
  • Troubleshoot complex authentication, networking, and identity management issues while ensuring adherence to software development lifecycle (SDLC) and change management processes.

Required Qualifications
  • Active TS/SCI clearance with polygraph.
  • Bachelor's Degree or higher in computer engineering or in a field related to computer engineering or computer science disciplines.
  • Minimum 15 years of Systems Engineering or related technical experience supporting enterprise IT environments.


Original Posting:
July 20, 2026

Pay Range:
Pay Range $131,300.00 - $237,350.00

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.

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