Network & Systems Administrator Tier III

Network & Systems Administrator / Tier III

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 skilledNetwork & Systems Administrator (Tier III)to support and maintain a hybrid Microsoft-based IT environment. This role bridgesadvanced 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 inMicrosoft 365 administration hybrid Active Directory environments and PowerShell scripting with the ability to manage and automate large-scale system changes.

Key Responsibilities

Systems & Cloud Administration

• Administer and configureMicrosoft 365 (M365)environment including user management and service optimization
• Manage hybridActive Directory (on-premises and Azure AD/Entra ID)environments
• Support and maintainAzure cloud infrastructure including Azure resource management
• Administer tools such asMicrosoft Defender SCCM Intune and Azure Management services

Network & Infrastructure Support

• SupportLAN/WAN network infrastructureacross corporate and field offices (Phoenix Los Angeles and remote users)
• Performsystem patching upgrades and maintenanceacross servers and endpoints
• Assist with light infrastructure management acrosscloud and on-premises servers

End-User & Tier III Support

• Provideadvanced (Tier III) technical supportfor 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 maintainPowerShell scriptsto automate administrative tasks
• Perform bulk user and system management tasks (e.g. account provisioning deprovisioning updates)
• Execute large-scale changes such asbulk account disabling cleanup and device wiping
• Generate automated reporting (e.g. AD user attributes system data extraction)

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

• Bachelors degree in Information Technology Computer Science or related field
• 5 years of experience insystems and network administration
• Strong experience inMicrosoft 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
• AdvancedPowerShell scripting experience(automation bulk actions reporting)
• Experience supportingLAN/WAN environments
• Ability to operate at aTier III support level

Preferred Qualifications

• Experience working inhybrid cloud environmentstransitioning from on-prem to cloud
• Familiarity withendpoint management in cloud-based environments
• Strong troubleshooting and problem-solving skills across both systems and networks
• Experience supportingmulti-site organizations with remote users

Key Traits for Success

• Ability to work across bothend-user support and infrastructure management
• Strong attention to detail with a focus onautomation and efficiency
• Proactive mindset in identifying and resolving system issues
• Excellent communication skills for cross-functional collaboration