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Chenega

Defense, intelligence, and federal staffing services

Senior Windows IAM Administrator - Active Directory / Entra ID

System AdministrationConfirmed live in the last 24 hours
Part-timeColorado, USA$60 /hr

About the Job

Requirements

  • A bachelor's degree in a technology field is required.
  • At least 15 years of experience designing, configuring, and supporting Microsoft Windows system environments is required.
  • Expertise with Active Directory, Active Directory Federated Services, Azure AD, and Entra ID is required.
  • Knowledge of Kerberos and single sign-on is required.
  • PowerShell automation experience is required.
  • Large enterprise experience is required.
  • Experience with strict change control is required.
  • Candidates must be authorized to work in the United States without sponsorship.
  • Candidates must be able to pass the Public Trust Government background investigation.
  • Strong written and oral communication skills are required.
  • Strong troubleshooting skills are required.
  • The candidate must be able to work closely with a small team and in a high-stress environment.

Responsibilities

  • Coordinate with the Project Manager and stakeholders on enterprise directory services, migration wave planning and communications, application-owner engagement and compatibility testing, cutover execution with next-day support, and foundational operations and maintenance of supported Windows-based services.
  • Perform technical migration from Active Directory to Entra ID and identity management.
  • Configure Entra ID identity synchronization and validate directory health to support migration.
  • Deploy automation pipelines and execute pilot migrations of approximately 200 test users before full-scale cutover.
  • Conduct controlled nightly migration batches Monday through Thursday, with no more than 150 users per night, and perform pre- and post-migration validation.
  • Implement Kerberos and single sign-on.
  • Perform workstation and domain re-joins.
  • Design and execute PowerShell automation, including automation for bulk updates and monitoring.
  • Provide Tier 3 escalation for permissions, Access Control List remediation, Kerberos and single-sign-on issues, and workstation and domain re-joins.
  • Execute identity cutovers and provide next-day support to resolve authentication, profile, and application-access issues, including troubleshooting PIV certificate login.
  • Monitor event and system logs and performance, and maintain operating-system and software patching baselines using WSUS or an equivalent tool.
  • Assist with infrastructure planning, design, and implementation, and develop project plans for transition, administration, and ongoing operations.
  • Prepare authoritative runbooks for Tier 1 and Tier 2 helpdesk support.
  • Perform performance monitoring, operating-system patching, backup and restore, configuration management and change control, disaster-recovery testing, documentation, and training.
  • Provide daily status updates before 12:00 PM Mountain Time and escalate urgent items to PDA within one hour of identification.
  • Perform other duties as assigned.

Desired Qualifications

  • Microsoft Certified: Windows Server Administrator Associate certification.
  • Microsoft Certified: Identity and Access Administrator Associate (SC-300) certification.
  • Azure Administrator Associate (AZ-104) certification.
  • Experience with DNS and DHCP.
  • Experience with Access Control Lists.
  • Experience with Group Policy and AGPM.
  • Experience with SCCM.
  • Experience with SCOM.
  • Experience with WSUS.

About the Company

Chenega

Defense, intelligence, and federal staffing services

Chenega is a government services contractor that supplies staffing and support services for defense, intelligence, and federal civilian customers, plus commercial clients. It operates across the United States, its territories, and several countries, tapping wide opportunities in government contracting. Its offerings center on staffing and mission support through various contracts, delivering qualified personnel and services to meet client needs. Unlike many industry players, Chenega is rooted in an Alaska Native village corporation, which shapes its ownership and community-focused approach while competing in a broad national market. The company’s goal is to help government and commercial customers execute their missions by providing reliable, professional personnel and services under contract.

Company size
1,001-5,000
Company stage
Not listed
Total funding
Not listed
Headquarters
Anchorage, AK
Founded
1974

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