MS365 & Azure Administrator (Secret Cleared)

RIVA Solutions Inc.•Washington, DC

6d•$150,000•Onsite

About The Position

RIVA Solutions is supporting the National Telecommunications and Information Administration (NTIA) under the ISCOM Division to deliver mission-critical IT modernization and cybersecurity services. This effort focuses on enhancing the security, reliability, and efficiency of NTIA’s enterprise infrastructure, enabling secure communications, data-driven policymaking, and expanded broadband initiatives. RIVA’s support helps modernize cloud and hybrid environments, strengthen identity and access management, and ensure compliance with federal cybersecurity and operational standards, while supporting NTIA’s mission through resilient, secure, and scalable digital platforms. RIVA Solutions is seeking a Microsoft 365 & Azure Administrator/Engineer to support a secure federal enterprise environment. This role is primarily responsible for Microsoft 365 and Exchange Online administration and migrations, identity and access management (Microsoft Entra ID/Azure AD), Windows Server services, Azure Virtual Desktop (AVD), and PowerShell automation. The ideal candidate is hands-on, operationally strong, and comfortable leading and executing tenants, server, and hybrid migration activities while maintaining system reliability, security, and compliance in an onsite environment.

Requirements

Bachelor’s degree in Computer Science, Information Systems, or a related field
Minimum of 4 years of experience in systems administration / cloud administration / messaging & identity engineering role
Demonstrated hands-on experience with: Microsoft 365 administration and Exchange Online operations Microsoft 365 / Exchange migrations (hybrid, cutover, staged) Microsoft Entra ID (Azure AD) administration, including Conditional Access and MFA PowerShell scripting for automation and operational support Supporting cloud/ hybrid migration activities (tenant and/or server)
U.S. Citizenship required
Active Secret or Top Secret clearance required

Nice To Haves

Manage Windows Server environments, including Active Directory, DNS, DHCP, and Group Policy
Support and maintain Azure Virtual Desktop (AVD) environments
Azure infrastructure administration support as needed (VM concepts, resource groups, networking/security fundamentals)
Exposure to DevOps collaboration and/or Kubernetes/AKS (helpful, not required)
Federal/higher-regulated environmental experience

Responsibilities

Manage and support Microsoft 365 and Exchange Online environments, including mailbox administration and tenant operations
Lead end-to-end Microsoft 365 and Exchange migrations, including hybrid, cutover, and staged migration approaches (planning, execution, validation, stabilization)
Administer Microsoft Entra ID (Azure AD), including identity synchronization, Conditional Access, and Multi-Factor Authentication (MFA)
Develop and maintain PowerShell scripts to automate administration, migrations, reporting, and operational tasks (repeatable runbooks, scheduled automation, audit outputs)
Support hybrid cloud, server, and tenant migration activities, ensuring minimal downtime and alignment to security/compliance requirements
Troubleshoot and resolve complex identity, authentication, and messaging issues in a secure environment
Document configurations and production of operational runbooks; support change management and compliance requirements