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!
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. For us, helping you grow your career is good business. We look forward to learning more about you – apply today.
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.
July 20, 2026
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
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.
Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health. The company's global workforce of 48,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $15.4 billion for the fiscal year ended December 29, 2023.
Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.
Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.
Your most important work is ahead, visit careers.leidos.com for our latest opportunities.
