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 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
Systems & Cloud Administration
- 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
End-User & Tier III Support
- 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
- 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
- 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