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Senior Windows System Engineer -VMware ,Azure AD 365

Actively Reviewing

UST

Mumbai Full-Time 4–8 yrs exp Posted 1 month ago · Apply by Jul 18, 2026

Job Description

Role Description

Infrastructure & Systems Administration

Design, deploy, configure, and maintain enterprise-grade on-premises infrastructure, including physical and virtual server environments.
Administer and optimize virtualization platforms such as VMware vSphere/ESXi and Microsoft Hyper-V, including clustering, HA, vMotion/live migration, and resource optimization.
Monitor infrastructure health, system performance, storage utilization, and capacity planning to ensure high availability and operational efficiency.
Manage server lifecycle activities including provisioning, patching, upgrades, firmware updates, and decommissioning.
Perform advanced troubleshooting for infrastructure, operating systems, and enterprise applications.
Collaborate with end users, developers, and application teams to support business-critical applications and resolve complex technical issues.

Azure Cloud & Microsoft 365 Administration

Design, implement, and manage Microsoft Azure infrastructure services including Virtual Machines, Storage Accounts, Networking, Backup, and Disaster Recovery solutions.
Support Azure-based workloads, cloud migrations, Azure Backup, and Azure Site Recovery (ASR).
Manage hybrid identity solutions integrating on-premises Active Directory with Microsoft Entra ID using Azure AD Connect.
Administer Microsoft Entra ID, including app registrations, enterprise applications, service principals, RBAC roles, permissions, and admin consent configurations.
Support and maintain Microsoft 365 services including Exchange Online, Teams, SharePoint Online, OneDrive, and licensing administration.
Monitor Microsoft 365 service health, security posture, usage analytics, and license consumption, providing regular operational reporting and recommendations.

Email & Security Infrastructure

Administer Microsoft Exchange environments (on-premises, hybrid, and Exchange Online), including mailbox management, connectors, transport rules, and mail flow troubleshooting.
Manage Proofpoint Email Protection platform including policy administration, threat management, quarantine handling, reporting, and email security optimization.
Partner with cybersecurity teams to identify, investigate, and remediate email-borne threats such as phishing, spoofing, and malware attacks.
Maintain and monitor email authentication standards including SPF, DKIM, and DMARC configurations.

Automation & Continuous Improvement

Develop and maintain automation scripts using PowerShell, Azure CLI, and/or Terraform to improve operational efficiency and reduce manual effort.
Contribute to Infrastructure-as-Code (IaC) initiatives and CI/CD pipeline integrations where applicable.
Create and maintain technical documentation, SOPs, architecture diagrams, runbooks, and knowledge base articles.
Evaluate emerging technologies and recommend solutions to improve infrastructure reliability, scalability, performance, and security.

Collaboration & Operational Support

Act as a Tier 3 escalation point for infrastructure-related incidents, service requests, and problem management activities.
Participate in an on-call rotation to support critical production systems outside business hours.
Work closely with Infrastructure, Security, Application, DevOps, and Vendor teams to deliver integrated enterprise solutions.
Support audit, compliance, and security initiatives by ensuring infrastructure adheres to organizational standards and best practices.

Required Qualifications Education

Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent hands-on professional experience.

Experience

5+ years of hands-on experience in Systems Engineering, Infrastructure Administration, or related enterprise IT roles.
Proven experience supporting hybrid infrastructure environments spanning on-premises data centers and cloud platforms.
Strong experience with enterprise virtualization technologies such as VMware vSphere or Microsoft Hyper-V.
Hands-on experience with Microsoft Azure infrastructure services and hybrid connectivity solutions.
Experience managing enterprise messaging and collaboration platforms in Microsoft 365 environments.

Technical Skills Infrastructure & Virtualization

VMware vSphere (ESXi, vCenter, vSAN), Microsoft Hyper-V, clustering technologies.
Windows Server administration (2016/2019/2022/2025).
Linux administration experience (RHEL/Ubuntu preferred).
Enterprise SAN/NAS storage administration, replication, snapshots, and backup technologies.

Cloud & Identity

Microsoft Azure IaaS, Azure Networking, Azure Monitor, Azure Backup, Azure Site Recovery.
Microsoft Entra ID (Azure AD), Azure AD Connect, Hybrid Identity Management.
Microsoft 365 administration including Exchange Online, Teams, OneDrive, and SharePoint Online.

Networking & Security

TCP/IP, DNS, DHCP, VLANs, routing/switching fundamentals, and firewall concepts.
Email security best practices including SPF, DKIM, and DMARC.
Familiarity with enterprise security and compliance standards.

Automation & Tools

PowerShell scripting and automation.
Azure CLI and/or Terraform.
Experience with monitoring and observability tools such as SCOM, SolarWinds, Datadog, or Azure Monitor.

Preferred Qualifications

Experience administering Microsoft Exchange Server (2016/2019) in hybrid environments.
Hands-on experience with Proofpoint Email Protection.
Knowledge of backup and disaster recovery solutions such as Veeam, Zerto, or Azure Site Recovery.
Familiarity with ITIL processes and ITSM tools such as ServiceNow.
Experience supporting Infrastructure-as-Code (IaC) and automation initiatives.
Relevant certifications such as: