IT Security Specialist / Systems Administrator – Security

Job Title: IT Security Specialist / Systems Administrator – Security

Location: Pontiac, MI (Hybrid – 2 days/week on-site)

Job Type: Contract

Duration: 6+ months (with possible extension)

Experience: 5+ years

Job Overview

Our client is seeking an experienced IT Security Specialist / Systems Administrator to administer, secure, maintain, and optimize enterprise infrastructure spanning on-premises, virtualized, hybrid, and cloud environments. This role is central to vulnerability management, patch compliance, and security hardening across Windows, Linux, VMware, and cloud platforms.

Key Responsibilities

• 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, VMs, 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, and cloud services across hybrid environments.
• Automation: Develop PowerShell, Bash, or Python scripts to automate patching, remediation, security validation, and reporting.
• Troubleshooting: Resolve infrastructure, configuration, patching, and security issues; maintain incident and change records in ITSM system.
• Documentation & Collaboration: Document configurations, security standards, patching, and remediation procedures; collaborate cross-functionally.

Required Skills

• Windows Server administration and troubleshooting
• Linux system administration
• VMware vSphere / virtualization
• Vulnerability scanning and remediation tracking
• Patch management and compliance
• Access management, identity, and endpoint systems
• Networking and storage fundamentals
• Scripting: PowerShell, Bash, Python
• Automation tools: Ansible, Terraform
• Incident and change management (ITSM)

Preferred Skills

• Experience with Tanium or similar endpoint management and asset discovery platforms
• Cloud platform security experience (hybrid environments)
• Configuration compliance and risk prioritization

Location & Work Model

Hybrid – county business hours required with two in-office days per week at the Oakland County facility. Occasional after-hours work for maintenance, patching, and security remediation.