Windows Systems / Security Administrator - OakCnty

IO Datasphere, Inc.; Pontiac (MI); Hybrid; USD 90,000 - 110,000; Full time

Job summary

Oakland County is seeking a Windows Systems / Security Administrator to manage enterprise infrastructure across on-prem, virtualized, hybrid, and cloud environments. You will prioritize vulnerability management, remediation, patching, and security across Windows, Linux, VMware, and cloud platforms.

The role requires experience with Windows Server, Linux, VMware vSphere, cloud services, and scripting (PowerShell, Bash, Python).

Qualifications

• Five years of experience in Windows/Linux environments.
• Experience with vulnerability management, patching, and security baselines.
• Experience with VMware vSphere and cloud platforms.
• Proficient scripting in PowerShell, Bash, or Python; familiarity with Ansible/Terraform is a plus.

Responsibilities

• Administer Windows, Linux, VMware, and cloud infrastructure, applying security baselines and hardening.
• Identify, track, and remediate vulnerabilities across servers and cloud resources.
• Coordinate OS and infrastructure patching and ensure compliance.
• Assess configurations against security standards and support audits.
• Secure and maintain hybrid cloud environments and access controls.
• Develop automation scripts to streamline patching and remediation.
• Document configurations and procedures; maintain ITSM records.

Skills

Windows Server

Linux

Troubleshooting

Access management

Storage

Networking

Identity and endpoint systems

Vulnerability scanning

VMware vSphere

Virtual machines

Cloud platforms

Endpoint management

PowerShell

Bash

Python

Ansible

Terraform

Incident management

Documentation

Cross-team collaboration

Tools

Tanium

Job description

Position Windows Systems / Security Administrator

Client Name Oakland County (OakCnty)

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.

Description:

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 PowerShell, 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

Skills Required

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 PowerShell, Bash, Python, Ansible, and Terraform
• Experience with Incident/change management, documentation, reporting, and cross-team collaboration.