Senior IT Systems Administrator (Azure Windows Admin)

Job description

Job responsibilities

• Architect, administer, and maintain Windows Server environments (physical and virtual), including provisioning, configuration, patching, monitoring, and lifecycle management.
• Design, deploy, and manage Azure cloud resources, including virtual machines, networking, storage, identity, and monitoring, in commercial and government cloud environments, using templates and infrastructure as code.
• Administer and improve Active Directory, Microsoft Entra ID, Group Policy, DNS, DHCP, and certificate services, including identity lifecycle, privileged access, MFA, and conditional access policies.
• Serve as technical lead and final escalation point for complex incidents; perform root-cause analysis and drive permanent fixes.
• Mentor and coach junior systems administrators and service desk staff, and set technical standards, best practices, and peer review for the team.
• Lead infrastructure projects from planning through delivery, including site buildouts, server and cloud migrations, and the integration of newly acquired environments.
• Design and maintain automation with PowerShell and other scripting tools to streamline provisioning, patching, reporting, and routine administration.
• Own backup, disaster recovery, and business continuity design, including regular restore testing and recovery objectives.

Job requirements

• Minimum education: Bachelor’s degree in Information Technology, Computer Science, Information Systems, or another related field or equivalent work experience
• 7+ years of progressive experience administering enterprise Windows Server and Microsoft Azure environments.
• Deep expertise with Active Directory, Group Policy, DNS, and DHCP, and with Microsoft Entra ID identity and access management, including MFA and conditional access.
• Experience designing and implementing Azure solutions, including virtual machines, virtual networking, storage, role-based access control, and hybrid connectivity.
• Advanced PowerShell scripting to automate administration, patching, and reporting at scale.
• Experience owning patch management, monitoring, and backup and disaster recovery, including testing restores and meeting recovery objectives.
• Experience hardening systems and remediating vulnerabilities in a regulated environment (such as NIST SP 800-171 or CMMC).
• Track record of leading infrastructure projects and mentoring other engineers, with strong troubleshooting, documentation, and communication skills.