Senior System Administrator
CDW
Senior Systems Administrator
Oak Brook, IL – Onsite
CDW Contract Coworker – 6 months
CDW is seeking a Senior Systems Administrator to support a cloud-first, hybrid infrastructure environment. This hands-on role focuses on Microsoft Azure, Microsoft 365, VMware, endpoint management, network infrastructure, incident escalation, automation, and operational continuity across a distributed multi-site organization.
Responsibilities
- Administer and optimize Azure, Microsoft 365, VMware, Active Directory/Entra ID, domains, certificates, backup/recovery, and monitoring.
- Lead escalations for complex infrastructure incidents, including restoration, root-cause analysis, corrective actions, upgrades, and cutovers.
- Support Intune, Delinea / Secret Server, Fortinet, Cisco Meraki, Samsung Knox, Cradlepoint, PaperCut, and related infrastructure services.
- Use PowerShell, infrastructure-as-code, templates, and automation to improve consistency and repeatability.
- Mentor administrators, maintain runbooks/documentation, and coordinate technical vendors and managed-service providers.
Required Qualifications
- 10 years of experience with significant hands-on Microsoft Azure infrastructure management experience.
- Microsoft 365 administration experience, including SharePoint, Exchange, Entra ID, Purview, and Copilot.
- Microsoft Intune and Broadcom VMware administration experience.
- Experience with Delinea / Secret Server, Fortinet, Cisco Meraki, Samsung Knox, and Cradlepoint.
- Experience with domain/certificate management and PaperCut/cloud printing.
- Ability to lead complex troubleshooting, root-cause analysis, incident mitigation, and technical coordination.
- Understanding of Data/AI with an AI-minded approach to process management, generative AI, and system monitoring.
Preferred Qualifications
- Experience with Seagull BarTender Cloud label software.
Bring your Azure depth, broad Microsoft infrastructure experience, and hands-on leadership to a senior engineering role.
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