Identity & Access Management Lead - TS/SCI with Polygraph

Public Trust: None

Requisition Type: Regular

Your Impact

Own your opportunity to serve as a critical component of our nation’s safety and security. Make an impact by using your expertise to protect our country from threats.

Job Description

The Identity & Access Management Lead serves as the lead engineer and technical authority for a complex privileged access management ecosystem supporting password vaulting, just‑in‑time administration, and hardened identity operations. This role requires deep expertise in Active Directory engineering, enterprise identity security, and automation, combined with strong leadership capabilities to guide a small team of engineers delivering mission‑critical authentication and access services.

The ideal candidate brings extensive experience designing, securing, and modernizing Windows‑based identity platforms across large, multi‑domain environments. They demonstrate exceptional problem‑solving skills, clear communication, and a proven ability to operate independently or collaboratively within cross‑functional teams.

• Lead Identity Architecture for a privileged access management solution, including password vaulting, JIT access workflows, and Tier‑0 protection aligned to Zero Trust principles.
• Design, secure, and maintain Windows‑based Active Directory forests and domains, including Group Policy, DNS, DHCP, PKI, MFA and hybrid identity integrations
• Develop automation and tooling using PowerShell to standardize operations, reduce manual effort, and improve reliability across identity services.
• Oversee engineering lifecycle delivery—requirements refinement, architecture documentation, installation instructions, deployment plans, and O&M support.
• Engineer solutions for geographically dispersed environments, hybrid cloud integrations, and automated deployment via configuration management platforms.
• Harden identity infrastructure to meet STIG, SCAP, and enterprise security compliance requirements.
• Perform advanced systems engineering, including modeling, simulation, analysis, and architectural enhancements.
• Plan and direct OS upgrades, directory modernization efforts, and enterprise‑wide identity improvements.
• Develop technical documentation for new and existing systems, ensuring clarity, repeatability, and operational readiness.
• Identify, analyze, and resolve complex system issues, including authentication failures, directory inconsistencies, and privileged access anomalies.
• Provide training and technical guidance to engineers and operational support staff.
• Serve as a client‑facing liaison, ensuring requirements are met and technical solutions align with mission needs.
• Maintain current knowledge of identity security, Windows infrastructure, and emerging directory technologies.
• Manage and mentor a small engineering team, providing leadership, direction, and professional development.
• Tier 0 & Cloud Identity plane governance: Serves as the primary authority for Tier 0 Access Plane Management across Azure and Microsoft Entra ID. Responsible for designing and enforcing strict identity boundary controls, privileged access management (PAM), and Directory-level security architectures, while overseeing secure application registration and single sign-on (SSO) integrations using SAML 2.0, OpenID Connect (OIDC), and OAuth.

• Directory Services: Active Directory, Group Policy, LDAP, DNS, ADCS, OCSP, DHCP, DFS, ADFS, Entra ID, hybrid identity
• Security & Identity: PKI, MFA, privileged access controls, STIG compliance, ACAS, vulnerability mitigation
• Automation & Systems: PowerShell, Windows Server, SCCM/MCM, SCOM, Splunk, Dynatrace
• Cloud & Virtualization: Azure, AWS, VMware ESX, Citrix Xen Desktop/App
• Leadership: Technical leadership, identity operations management, cross‑functional coordination

GDIT IS YOUR PLACE
At GDIT, the mission is our purpose, and our people are at the center of everything we do.

• Growth: AI-powered career tool that identifies career steps and learning opportunities
• Support: An internal mobility team focused on helping you achieve your career goals
• Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
• Community: Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY
Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

Work Requirements

Years of Experience

5 + years of related experience

* may vary based on technical training, certification(s), or degree

Certification

Travel Required

None

Citizenship

U.S. Citizenship Required