Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret/SCIClearance Level Must Be Able to Obtain:Top Secret/SCIPublic Trust/Other Required:NoneJob Family:IT Infrastructure and OperationsJob Qualifications:Skills:Active Directory Management, Identity Management (IdM), Multi-Factor Authentication (MFA), Zero TrustCertifications:NoneExperience:5 + years of related experienceUS Citizenship Required:YesJob Description:Serves as a senior operational leader and Team Lead overseeing enterprise Domain Services and Identity, Credential, and Access Management (ICAM) for the US BICES/US BICES X mission. Provides hand-on leadership across Active Directory (AD), DNS/DHPC, group policy infrastructure, and core access control pillars within a mission critical, 24/7 globally distributed environment. Acts as an operational integrator among Domain Infrastructure, Cybersecurity, Operations, and Government partners to drive identity governance and transition legacy systems toward full Zero Trust compliance. Role requires proactive operational support, emergency coordination, and a presence to resolve critical identity or authentication support when outages or emergency situations arise.Key Responsibilities Domain Services & ICAM Operations:Direct operations, engineering, and security hardening of enterprise Active Directory Domain Services (AD DS), core network infrastructure (DNS/DHCP), and Group Policy Architectures.Spearhead Identity lifecycle management, business continuity/disaster recover planning, and continuous compliance auditing to ensure system resilience. Drive the modernization of legacy directory structures into a Zero Trust framework, implementing Tiered Administration and secure micro segmentation boundary integrations.Oversee global authentication protocol lifecycles, leading deprecation of insecure legacy protocols with integration to replace with Multi-Factor Authentication and continuous adaptive access controls.Manage user, administrative, and service accounts to adhere to security requirements and industry best practices.Provides direction and drives collaborative team troubleshooting during directory related incidents, authentication outages, and emergency response actives affecting mission services, including after-house support.Ensure the administrative and technical workforce adheres to identity governance processes, Attribute-Based Access Control (ABAC) baselines, and program requirement guidance.Guides operational oversight for project plans, vendors, communication to stakeholders, and issue escalation for issue mitigation as related to technologies and responsibilities.Develops, documents, implements, and reviews technical training and supporting operational procedures and processes for all assigned position task sets, providing oversight of robust onboarding training process.Participates in special projects as required.Cybersecurity & Zero Trust Governance ComplianceEnforce infrastructure and directory compliance with NIST SP 800-207 Zero Trust Architecture standards.Enforce compliance with RMF, DISA STIGs, and Cybersecurity directives.Partner with security teams on continuous monitoring, audit readiness, and rapid vulnerability remediation.Manages a small team of admins and engineersRequired Qualifications:Must possess and maintain a TS/SCI Security Clearance.5 Years supporting enterprise operations in mission-critical DOW/IC environments.5+ Years leadership experience in identity management, Active Directory, or core domain services operations.Experience supporting globally distributed classified environments with DoW, IC, or coalition networks.Technical proficiency: Windows Server Administration, Active Directory Domain Services, Group Policy Management, DNSSEC, DHCP network access controls, and identity architecture.DOW 8140/8570 Compliance: IAT Level Baseline CertificationCISSP, CASP+/SecurityX, CCNP, CySA+, Security+Industry Certifications:GCWN (GIAC Certified Windows Security AdministratorMicrosoft Identity CertificationsPreferred Qualifications:PMP, ITIL V4, or Agile.Experience with US BICES/BICES X, Privileged Access management (PAM) tools, and automation.Operational Focus AreasDaily Active Directory & Group Policy AdministrationAccount Management and System PermissionsEnterprise DNS & DHCP Network Scope ManagementTeam Leadership, Task Delegation, & Incident EscalationSystems Hardening, Windows Security Log Monitoring, & STIG ComplianceThe likely salary range for this position is $112,840 - $132,250. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:Less than 10%Telecommuting Options:OnsiteWork Location:USA FL MacDill AFBAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most. Our Identity Verification Process:As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes. About Our Work:We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans