Senior Systems Administrator

Senior Systems Administrator l No Sponsorship Available

Senior Systems Administrator

Compensation: $110,000 – $130,000
Bonus:
Discretionary
Work Environment:
Hybrid (4 Days onsite)
Office

Location:

Chicago, IL (Rosemont area)
Benefits:
Medical, Dental, Vision, 401(k), PTO

• Administer, maintain, and optimize Microsoft Azure cloud infrastructure, including virtual machines, virtual networks, storage, subscriptions, resource groups, and related cloud services.
• Manage Microsoft Entra  (Azure AD), including user and group administration, role-based access control, Conditional Access, MFA, SSO, and identity governance.
• Monitor cloud performance, availability, and security while implementing Azure best practices, Zero Trust principles, and governance standards.
• Support and maintain Microsoft security technologies, including Microsoft Defender, Sentinel, Purview/DLP, and related compliance and audit initiatives.
• Manage hybrid cloud environments integrating Azure with on-premises infrastructure, Windows Server, Active Directory, Microsoft 365, backup, disaster recovery, and business continuity solutions.
• Plan and execute cloud deployments, upgrades, migrations, patching, and lifecycle management activities.
• Provide Tier III support, troubleshoot complex infrastructure issues, and collaborate with security, networking, application, and support teams to deliver scalable and secure technology solutions.
• Contribute to process improvements, cloud modernization efforts, documentation, and mentoring of junior IT team members.

• 7+ years of systems administration, cloud administration, or infrastructure administration experience, preferably in enterprise environments.
• Hands-on experience administering Microsoft Azure environments and cloud services.
• Experience with hybrid connectivity solutions, including VPN and Express Route.
• Strong experience with Microsoft 365 E5 security tools, Microsoft Entra , Microsoft Defender, and Microsoft Sentinel.
• Deep understanding of cloud security frameworks and Zero Trust architecture.
• Experience supporting hybrid cloud and distributed enterprise environments.
• Strong troubleshooting, automation, and problem-solving skills.
• VMware and/or Hyper-V experience preferred.
• Azure certifications such as AZ-104, AZ-305, or equivalent are highly desirable.
• Collaborative, service-oriented mindset with a passion for continuous improvement.