Senior Systems Administrator

Senior Systems Administrator l No Sponsorship Available

Senior Systems Administrator

Role Overview

Compensation

$120,000 – $140,000

Bonus: Discretionary

Work Environment

Hybrid (4 Days onsite)

Office Location: Chicago, IL (Rosemont area)

Benefits

Medical, Dental, Vision, 401(k), PTO

Key Responsibilities – Senior Systems Administrator

• Administer, maintain, and optimize Microsoft Azure cloud infrastructure, including virtual machines, virtual networks, storage, subscriptions, resource groups, and related cloud services.
• Manage Microsoft Entra ID (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.

Qualifications – Senior Systems Administrator

• 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 ExpressRoute.
• Strong experience with Microsoft 365 E5 security tools, Microsoft Entra ID, 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.

Build a rewarding long-term career with us at CFS—when we knock, doors open.

Timing is everything. Whether you are aggressively in a job search or simply passive and looking for the ideal position, we would like to have the chance to share our opportunities with you. We specialize in placement of IT professionals. Please contact me for more information about this role as well as other opportunities.

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EB-9409207653