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Aptonet · 4 hours ago

AD/ICAM Systems Administrator III

Washington, DC

Contract

Onsite

Senior Level

5+ years exp

Aptonet is seeking an experienced AD/ICAM Systems Administrator III to support identity and access management operations. This fully on-site role in Washington, DC focuses on administering, integrating, and securing enterprise identity platforms including Active Directory, Azure AD, and Okta, with a direct impact on operational outcomes.

Enterprise SoftwareInformation TechnologyStaffing AgencyTraining

Growth Opportunities

No H1B

U.S. Citizen Only

Hiring Manager

Veer Singh

Responsibilities

Administer and manage on-premises Active Directory environments, ensuring security, high availability, and proper configuration

Oversee Group Policy Objects (GPOs), Trusts, DNS, AD Sites and Services, and AD replication

Perform user provisioning and de-provisioning, applying Active Directory security best practices (least privilege, permissions, password policies)

Implement and manage Active Directory Federation Services (ADFS) for authentication and federation with cloud and external resources

Manage Azure Active Directory (Azure AD) for cloud-based identity management

Integrate on-premises AD with Azure AD using Azure AD Connect, including synchronization, troubleshooting, and identity lifecycle management

Administer Azure AD Conditional Access policies to ensure secure and compliant access

Implement and configure Azure AD B2C for external-facing application authentication

Oversee administration and integration of Okta for identity management, including SSO, MFA, Universal Directory, Lifecycle Management, and API Access Management

Ensure seamless integration of Okta with internal and third-party applications (e.g., Office 365, Salesforce, Google Workspace)

Monitor health, performance, and security of AD, Azure AD, and Okta environments and proactively resolve issues

Develop and maintain PowerShell scripts to automate IAM-related tasks

Create and maintain technical documentation for identity systems and processes

Collaborate with security, network, and application teams to resolve IAM challenges

Communicate technical issues and solutions clearly to both technical and non-technical stakeholders

Qualification

Active DirectoryAzure Active DirectoryOktaPowerShellIAM protocolsIdentity GovernanceIAM certificationsCommunication skillsCollaboration skills

Required

Hands-on administration of Active Directory, including GPOs, ADFS, trusts, DNS, and AD sites/replication

Strong experience with Azure Active Directory, including Azure AD Connect, Conditional Access, Azure AD B2C

Expertise with Okta, including Single Sign-On (SSO), Multi-Factor Authentication (MFA), Universal Directory, Lifecycle Management, API Access Management

Proficiency in PowerShell for automation and system management

Working knowledge of IAM protocols: SAML, OAuth, OpenID Connect, LDAP

Strong understanding of identity security best practices, including MFA and RBAC

Ability to troubleshoot complex authentication, access, and security issues

Bachelor's degree in Computer Science, Information Technology, Cybersecurity, Engineering, or a related field (or equivalent work experience)

5+ years of hands-on experience in Identity and Access Management (IAM)

Strong verbal and written communication skills

Ability to work independently and collaborate across technical teams

U.S. Citizenship/GC required

Willingness to complete personal disclosure and soft credit check

Willing to work on-site in Washington, DC, five days per week