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.

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 Power Shell scripting
, with the ability to manage and automate large-scale system changes.

• Administer and configure
  Microsoft 365 (M365)environment, including user management and service optimization
• Manage hybrid
  Active Directory (on-premises and Azure AD/Entra )environments
• Support and maintain
  Azure cloud infrastructure
  , including Azure resource management
• Administer tools such as
  Microsoft Defender, SCCM, Intune, and Azure Management services

• 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

• Develop and maintain
  Power Shell 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

• 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

• 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  (Azure AD)
  • Microsoft Defender, SCCM, and Intune
• Advanced
  Power Shell scripting experience
  (automation, bulk actions, reporting)
• Experience supporting
  LAN/WAN environments
• Ability to operate at a
  Tier III support level

• 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

• 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