Windows & azure systems administrator in infrastructure

We are seeking a skilled Windows & Azure Systems Administrator to join our infrastructure team. In this role, you will take ownership of day-to-day Windows administration, critical patch management, and user support layers. You will manage a hybrid environment (primarily Microsoft Azure with some on-premise VMware infrastructure) and collaborate closely with US-based leadership and global engineering teams.

• Start the day by monitoring emergency channels and resolving IT support tickets in Jira.
• Maintain and update system documentation in Confluence.
• Execute strict patching schedules based on Microsoft "Patch Tuesday" cycles.
• Strictly enforce change control policies.
• Ensure production changes have an approved Jira ticket (including explicit chat approval from leadership, description, implementation steps, and a rollback sequence).
• Coordinate non-prod reboots with offshore Dev/QA contractors via MS Teams.
• Participate in an on-call rotation using PagerDuty to handle P1/P2/P3 incidents.
• Adhere to a strict 15-minute SLA response time before escalation paths are triggered.
• Manage Azure VMs, SQL instances, Firewalls, Application Gateways, Log Launchers, and basic AKS clusters.
• Support active directory domains and assist in domain consolidation efforts.
• Administer Azure Virtual Desktop (AVD) environments, including both multi-user pools (terminal servers) and personal (one-to-one) AVDs.

• Robust experience in Windows Server Administration and enterprise Patch Management.
• Hands-on experience with Microsoft Azure (VMs, Networking, AVD) and VMware infrastructure.
• Production-level experience with Jira, Confluence, and PagerDuty (or similar on-call alerting tools).
• Disciplined approach to ITIL/Change Control processes (writing roll-back plans, seeking explicit approvals).
• Strong English communication skills.
• Ability to effectively collaborate across time zones (US) and coordinate with offshore teams.
• This position requires high accountability, strict adherence to change control processes, and the flexibility to support scheduled maintenance windows outside of standard business hours.
• Будет плюсом: Familiarity with Azure DevOps pipelines and Terraform for VM deployment; Experience with Active Directory domain migration or deprecation; Basic understanding of Kubernetes/AKS

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