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Systems Administrator-Endpoint Operations & Security @ COM

Hampshire, Illinois, USOnsiteFull-time
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About this role

Key Responsibilities

Endpoint Management & Administration

• Administer endpoint management platforms including Microsoft Intune, Windows Update for Business, RMM tools, and endpoint security solutions.

• Manage device enrollment, compliance policies, software deployment, and endpoint standards.

• Maintain workstation lifecycle processes including provisioning, deployment, refresh, and retirement.

• Support endpoint configuration baselines, security policies, and hardening initiatives.

Patch Management

• Own patch management processes for Windows servers and workstations.

• Coordinate testing, deployment, validation, and reporting of operating system and application updates.

• Monitor patch compliance against defined SLAs.

• Schedule and execute maintenance windows with minimal business disruption.

• Support emergency and out-of-band patching for critical vulnerabilities.

Vulnerability Management

• Monitor vulnerability scanning platforms and remediation dashboards.

• Triage vulnerabilities based on severity, exploitability, and business risk.

• Coordinate remediation activities with infrastructure, networking, application owners, and vendors.

• Track remediation progress and maintain exception documentation.

• Produce vulnerability and remediation metrics for leadership and compliance reporting.

RMM & Monitoring

• Administer Remote Monitoring and Management (RMM) platforms.

• Develop monitoring standards and alerting thresholds.

• Investigate recurring alerts and eliminate noise through automation and process improvements.

• Create automated remediation workflows where appropriate.

• Monitor endpoint health, software inventory, disk utilization, service status, and system performance.

Security Operations Support

• Assist with endpoint security tools including Microsoft Defender, SentinelOne, FortiClient, and related technologies.

• Investigate endpoint security alerts and coordinate escalation when required.

• Support audits, compliance initiatives, and security assessments.

• Maintain endpoint security baselines and enforce remediation activities.

Asset & CMDB Management

• Maintain accurate endpoint inventory and asset records.

• Reconcile data across Intune, Active Directory, Entra ID, RMM, vulnerability scanners, and CMDB platforms.

• Ensure endpoint ownership, lifecycle status, and configuration data remain current.

• Identify and resolve discrepancies in asset records.

Documentation & Process Improvement

• Develop and maintain operational runbooks and support documentation.

• Identify opportunities for automation using PowerShell and other scripting tools.

• Create dashboards and reporting to improve visibility into endpoint health and compliance.

• Continuously improve endpoint management processes and operational efficiency.

Required Qualifications

• 5+ years of experience in systems administration, endpoint administration, or infrastructure operations within a Windows-based enterprise environment.

• Experience managing Windows desktop environments.

• Experience with Microsoft Intune and Entra ID.

• Experience with patch management platforms and methodologies.

• Experience administering or supporting vulnerability management programs.

• Familiarity with endpoint security platforms.

• Strong troubleshooting and root-cause analysis skills.

• Experience with PowerShell scripting and automation.

• Strong documentation and organizational skills.

Preferred Qualifications

• Experience with endpoint management, RMM, and vulnerability management platforms such as Microsoft Intune, NinjaOne, ConnectWise RMM, Tenable, Rapid7, Microsoft Defender Vulnerability Management, or similar solutions.

• Experience with Microsoft Defender for Endpoint, SentinelOne, FortiClient EMS, Windows Autopilot, and Freshservice CMDB.

• Experience working in manufacturing or multi-site enterprise environments.

• Experience supporting cybersecurity initiatives aligned with CMMC, NIST, CIS Controls, or similar frameworks.

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