Network & Systems Administrator / Tier III

Washington, DC Location: Washington, DC (On-site, 5 days/week, 8:30 AM - 5:30 PM) Employment Type: Contract-to-Hire Hourly rate: 45-50/hr. Overview We are seeking a highly skilled Network & Systems Administrator (Tier III) to support and maintain a hybrid Microsoft-based IT environment. This role bridges advanced end-user support and systems administration , requiring a hands-on professional who can operate across both infrastructure and user-facing responsibilities. The ideal candidate will have strong experience in Microsoft 365 administration, hybrid Active Directory environments, and PowerShell scripting , with the ability to manage and automate large-scale system changes. Key Responsibilities Administer and configure Microsoft 365 (M365) environment, including user management and service optimization Manage hybrid Active Directory (on-premises and Azure AD/Entra ID) environments Support and maintain Azure cloud infrastructure , including Azure resource management Administer tools such as Microsoft Defender, SCCM, Intune, and Azure Management services Network & Infrastructure Support Support LAN/WAN network infrastructure across corporate and field offices (Phoenix, Los Angeles, and remote users) Perform system patching, upgrades, and maintenance across servers and endpoints Assist with light infrastructure management across cloud and on-premises servers Provide advanced (Tier III) technical support for complex system and user issues Act as an escalation point between help desk/end-user support and engineering teams Support a distributed workforce with both on-site and remote users Automation & Scripting Develop and maintain PowerShell scripts to automate administrative tasks Perform bulk user and system management tasks (e.g., account provisioning, deprovisioning, updates) Execute large-scale changes such as bulk account disabling, cleanup, and device wiping Provisioning & User Lifecycle Management Manage user onboarding and offboarding processes within AD/M365 Provision devices and user accounts in accordance with company policies Ensure secure and efficient access management across systems Required Qualifications Bachelor’s degree in Information Technology, Computer Science, or related field 5+ years of experience in systems and network administration Strong experience in Microsoft 365 administration and configuration Hands-on experience with: Active Directory (on-prem and hybrid environments) Azure (cloud services and management) Entra ID (Azure AD) Microsoft Defender, SCCM, and Intune Advanced PowerShell scripting experience (automation, bulk actions, reporting) Experience supporting LAN/WAN environments Ability to operate at a Tier III support level Preferred Qualifications Experience working in hybrid cloud environments transitioning from on-prem to cloud Familiarity with endpoint management in cloud-based environments Strong troubleshooting and problem-solving skills across both systems and networks Experience supporting multi-site organizations with remote users Key Traits for Success Ability to work across both end-user support and infrastructure management Strong attention to detail with a focus on automation and efficiency Proactive mindset in identifying and resolving system issues Excellent communication skills for cross-functional collaboration #J-18808-Ljbffr HRB