Principal Identity Solutions Engineer TS/SCI Polygraph

Via Logic LLC; Hanover (MD); On-site; USD 131,300 - 237,350; Full time

Job summary

Leidos in the National Security Sector seeks a Principal Identity Solutions Engineer to lead enterprise ICAM STS/SSO initiatives across Linux, Windows and cloud environments.

You will guide a multidisciplinary team of developers, system integrators, and admins, architect and deploy COTS identity platforms, and ensure governance, SDLC, and change control in enterprise environments.

Active TS/SCI clearance with polygraph is required to join this elite team.

Qualifications

• Lead the architecture, implementation, and sustainment of enterprise STS and SSO solutions.
• Mentor a team of developers, system integrators, and system administrators.
• Gather customer requirements, develop implementation strategies, and estimate work efforts.

Responsibilities

• Lead the design, implementation, and sustainment of enterprise ICAM solutions focused on STS and SSO.
• Architect, deploy, and maintain COTS identity management platforms across Linux, Windows, and cloud environments.
• Design and support federation solutions utilizing SAML, OAuth, OIDC, PKI/TLS.
• Develop automation solutions and integrate modern and legacy tech while maintaining documentation in Confluence.
• Troubleshoot complex authentication and identity management issues while adhering to SDLC and change management processes.

Skills

Active TS/SCI clearance with polygraph

STS/SSO architecture

Team leadership & mentoring

Requirements gathering & estimation

Federation technologies (SAML, OAuth,

Automation & integration

Troubleshoot identity management

Education

Bachelor's Degree or higher in Computer Engineering or Computer Science

Tools

Confluence

Job description

Leidos has a new and exciting opportunity for a Principal Identity Solutions Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA).

Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.

*You must have an active TS/SCI Polygraph* No exceptions, unfortunately.

At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

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.

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. We look forward to learning more about you.

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

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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.