Windows Systems​/Security Administrator

Position Windows Systems / Security Administrator

Client Name Oakland County (Oak Cnty)

Requisition 494

Location Pontiac, MI

Duration 6+ months

Due Date 10/26/2026 or sooner

C2C Possible Yes. Rate depends on experience

Interview Method Webcam & Onsite (two rounds)

Local candidates only. Relocation not allowed. Hybrid position requiring two in-office days per week. We can accept H1b, H4, TN and other valid work visas for IT. However we cannot accept OPT or CPT visas at this time.

Our client is looking for a Windows Systems / Security Administrator to be responsible for administering, securing, maintaining, and optimizing enterprise infrastructure across on-premises, virtualized, hybrid, and cloud environments. Candidate focuses on vulnerability management, remediation, patch compliance, and security across Windows, Linux, VMware, and cloud platforms.

Tasks

• Infrastructure Security:
  Administer Windows, Linux, VMware, and cloud infrastructure. Implement security baselines, access controls, and hardening standards.
• Vulnerability Management:
  Identify, prioritize, track, and remediate vulnerabilities across servers, virtual machines, and cloud resources. Validate fixes and coordinate remediation timelines.
• Patching:
  Coordinate OS and infrastructure patching, validate deployments, maintain compliance, and minimize disruption.
• Security & Compliance:
  Assess configurations against security standards, correct weaknesses, and support audits and compliance reporting.
• Cloud & Virtualization:
  Secure and maintain VMware, virtual machines, cloud services, configurations, and access controls across hybrid environments.
• Security Tools:
  Support asset discovery, endpoint management, vulnerability assessment, patching, and remediation using Tanium or similar platforms.
• Automation:
  Develop Power Shell, Bash, or Python scripts and workflows to automate patching, remediation, security validation, and reporting.
• Troubleshooting:
  Resolve infrastructure, configuration, patching, and security issues. Maintain incident and change records in the IT service management system.
• Documentation &
  
  Collaboration:
  
  Document configurations, security standards, patching, and remediation procedures.
  
  Work Schedule:
  
  County business hours required; flex time optional. Occasional after-hours work for maintenance, patching, and security remediation.

Environment:
Works in a hybrid enterprise environment spanning on-premises, virtualization, and cloud infrastructure, focusing on vulnerability management, security, hardening, and remediation

5 years of experience in the following:

• Experience with Windows Server
• Experience with Linux
• Experience with troubleshooting
• Experience with access management
• Experience with storage
• Experience with Networking
• Experience with Identity and endpoint systems
• Experience with Vulnerability scanning, remediation tracking, patching, risk prioritization, and configuration compliance
• Experience with VMware vSphere
• Experience with virtual machines
• Experience with cloud platforms
• Experience with Endpoint management & asset discovery
• Experience with Power Shell, Bash, Python, Ansible, and Terraform
• Experience with Incident/change management, documentation, reporting, and cross-team collaboration.