Job Title: Systems Administrator - IT Security

Location: Pontiac, Michigan
Duration: 6 Months
Experience Required: 5+ Years
Work Arrangement: Hybrid - 2 days onsite per week
Openings: 1

Job Description

We are seeking an experienced Systems Administrator - IT Security to manage, secure, and optimize enterprise infrastructure across on-premises, virtualized, hybrid, and cloud environments. The ideal candidate will have strong expertise in vulnerability management, security remediation, patch management, and infrastructure hardening across Windows, Linux, VMware, and cloud platforms. Experience with Tanium or similar endpoint management and security tools is highly desirable.

Key Responsibilities

• Administer and secure Windows Server, Linux, VMware, virtual machines, and cloud infrastructure.

• Identify, assess, prioritize, track, and remediate infrastructure vulnerabilities.

• Coordinate operating system and infrastructure patching, validate deployments, and maintain patch compliance.

• Implement security baselines, configuration hardening, access controls, and infrastructure security standards.

• Monitor security configurations, address compliance gaps, and support audits and security reporting.

• Manage asset discovery, endpoint management, vulnerability assessment, and remediation using Tanium or similar tools.

• Develop automation scripts using PowerShell, Bash, or Python to streamline patching, remediation, validation, and reporting.

• Troubleshoot infrastructure, configuration, patching, and security-related issues.

• Maintain incident records, change requests, technical documentation, and remediation procedures.

• Collaborate with infrastructure, cloud, security, and operations teams to resolve issues and improve security posture.

Required Qualifications

• Minimum 5 years of relevant experience in systems administration, infrastructure operations, or IT security.

• Strong hands-on experience with Windows Server and Linux administration.

• Experience with vulnerability scanning, remediation tracking, risk prioritization, and patch management.

• Knowledge of VMware vSphere, virtualization, and cloud infrastructure.

• Understanding of access management, identity, networking, storage, and endpoint systems.

• Experience with infrastructure security hardening and configuration compliance.

• Familiarity with Tanium or similar endpoint management, asset discovery, patching, and security tools.

• Scripting and automation experience using PowerShell, Bash, or Python.

• Knowledge of incident management, change management, documentation, and compliance reporting.

Preferred Qualifications

• Experience with Ansible, Terraform, or infrastructure automation tools.

• Experience supporting hybrid enterprise infrastructure environments.

• Strong troubleshooting, analytical, and cross-functional collaboration skills.

Work Schedule

• Must be available during standard county business hours.

• Flexible scheduling may be available.

• Occasional after-hours work may be required for maintenance, patching, and security remediation.

• Hybrid work arrangement requiring two days per week in the office.