Windows Server and Microsoft Exchange server Admin

1 week ago


Hyderabad, India cloudztec.com Full time

Senior Systems Administrator (Windows / Exchange / Azure)Location: Hybrid/On-siteType: Full-time • ExemptReports to: IT Infrastructure ManagerRole SummaryOwn the reliability, security, and lifecycle of our Microsoft stack across on-prem and Azure. You’ll administer Windows Server and Microsoft Exchange, manage Azure resources, handle light SQL administration for line-of-business apps, and drive vulnerability remediation end-to-end.Key ResponsibilitiesWindows Server & Core Services- Administer Windows Server 2016–2022 (AD DS, DNS, DHCP, DFS/DFSR, File/Print, GPOs).- Implement RBAC/AGDLP, ABE, FSRM quotas/screens, and NTFS/share permissions hygiene.- Patch management, OS hardening, baseline configuration (CIS/SCM), and certificate services (PKI).Microsoft Exchange (On-prem & Online)- Operate and maintain Exchange (on-prem and/or Exchange Online): mailbox databases, DAGs, transport rules, connectors, journaling, retention, and eDiscovery.- Manage hybrid identity and mail flow (MX, SPF/DKIM/DMARC, accepted domains, safe-senders/blocked senders).- Troubleshoot queues, performance, client connectivity (Outlook/ActiveSync/Mobile).Azure Administration- Manage Azure AD/Entra ID, Conditional Access, PIM, SSPR/MFA, Azure AD Connect / Cloud Sync.- Provision and govern Azure resources (VMs, storage, VNets, NSGs, load balancers, backup/recovery).- Implement Azure security controls: Defender for Cloud, Update Management, RBAC, Key Vault, logging (Log Analytics / Sentinel).SQL (Light DBA Support)- Basic SQL Server administration: install/patch, backups/restores, jobs/agents, permissions, and performance triage (indexes, blocking basics).- Partner with DBAs/app owners on upgrades and schema changes; ensure HA/DR runbooks are current.Vulnerability & Compliance- Own the vuln remediation cycle: ingest findings (Tenable/Nessus, Defender, Qualys, etc.), prioritize, patch or mitigate, and validate closure.- Track exceptions/compensating controls, maintain dashboards/SLA metrics, and support audits (HIPAA, SOC 2, PCI, etc.).- Group Policy/Intune hardening for servers; TLS/cipher suites, secure baseline drift detection.Operations & Automation- Write PowerShell for provisioning, reporting, and remediation at scale; maintain source-controlled scripts.- Create runbooks, DR plans, and knowledge articles; participate in an on-call rotation.Required Qualifications- 8+ years administering Windows Server in enterprise environments.- 8+ years with Exchange (on-prem and/or Exchange Online) including hybrid mail flow.- 5+ years Azure administration (AAD/Entra, VM/storage/networking, security).- Practical PowerShell expertise (modules: ActiveDirectory, ExchangeOnline, Az, Graph).- Experience with vulnerability scanners and patching workflows (WSUS/SCCM/Intune/Azure Update Mgt).- Solid understanding of networking (TCP/IP, DNS, SMTP, TLS, certs) and identity (Kerberos/NTLM, OAuth).Nice-to-Have- SQL Server Admin Associate-level skills (backup/restore, security, job maintenance, performance basics).- Experience with M365 (SharePoint, Teams, OneDrive), Intune, and Autopatch.- Scripting beyond PowerShell (Python) and Infrastructure as Code (Bicep/Terraform).- Monitoring/observability: SCOM, Nagios, Datadog, Sentinel, Splunk.- Backup & recovery tooling (Veeam/Azure Backup) and DR testing in hybrid setups.Certifications (preferred, not required)- Microsoft: AZ-104, AZ-500, MS-102, Exchange (legacy), SC-200/SC-300.- Security: CompTIA Security+, CISSP (plus).- SQL: DP-900 or DP-300 (nice to have).Soft Skills- Strong ownership and prioritization; communicates clearly with technical and non-technical stakeholders.- Documentation-first mindset; able to create concise runbooks and change plans.- Collaboration across security, networking, apps, and support teams.KPIs / How success is measured- Patch/vulnerability SLA compliance and mean-time-to-remediate (MTTR).- Service uptime and incident reduction for Exchange and core services.- Audit readiness: clean access/permissions posture and documented controls.- Automation coverage: percentage of routine tasks scripted/runbooked.



  • Hyderabad, India Cloudztec.com Full time

    Senior Systems Administrator (Windows / Exchange / Azure) Location: Hybrid/On-site Type: Full-time • Exempt Reports to: IT Infrastructure Manager Role Summary Own the reliability, security, and lifecycle of our Microsoft stack across on-prem and Azure. You’ll administer Windows Server and Microsoft Exchange, manage Azure resources, handle light...


  • Hyderabad, India cloudztec.com Full time

    Senior Systems Administrator (Windows / Exchange / Azure) Location: Hybrid/On-siteType: Full-time • ExemptReports to: IT Infrastructure ManagerRole Summary Own the reliability, security, and lifecycle of our Microsoft stack across on-prem and Azure. You’ll administer Windows Server and Microsoft Exchange, manage Azure resources, handle light SQL...


  • Hyderabad, India cloudztec.com Full time

    Senior Systems Administrator (Windows / Exchange / Azure) Location: Hybrid/On-site Type: Full-time • Exempt Reports to: IT Infrastructure Manager Role Summary Own the reliability, security, and lifecycle of our Microsoft stack across on-prem and Azure. You’ll administer Windows Server and Microsoft Exchange, manage Azure resources, handle light SQL...


  • Hyderabad, India cloudztec.com Full time

    Senior Systems Administrator (Windows / Exchange / Azure) Location: Hybrid/On-siteType: Full-time • ExemptReports to: IT Infrastructure ManagerRole Summary Own the reliability, security, and lifecycle of our Microsoft stack across on-prem and Azure. You’ll administer Windows Server and Microsoft Exchange, manage Azure resources, handle light SQL...


  • hyderabad, India cloudztec.com Full time

    Senior Systems Administrator (Windows / Exchange / Azure)Location: Hybrid/On-site Type: Full-time • Exempt Reports to: IT Infrastructure ManagerRole SummaryOwn the reliability, security, and lifecycle of our Microsoft stack across on-prem and Azure. You’ll administer Windows Server and Microsoft Exchange, manage Azure resources, handle light SQL...


  • Hyderabad, India cloudztec.com Full time

    Senior Systems Administrator (Windows / Exchange / Azure)Location: Hybrid/On-site Type: Full-time • Exempt Reports to: IT Infrastructure ManagerRole SummaryOwn the reliability, security, and lifecycle of our Microsoft stack across on-prem and Azure. You’ll administer Windows Server and Microsoft Exchange, manage Azure resources, handle light SQL...


  • Hyderabad, India cloudztec.com Full time

    Senior Systems Administrator (Windows / Exchange / Azure)Location: Hybrid/On-site Type: Full-time • Exempt Reports to: IT Infrastructure Manager Role SummaryOwn the reliability, security, and lifecycle of our Microsoft stack across on-prem and Azure. You’ll administer Windows Server and Microsoft Exchange, manage Azure resources, handle light SQL...


  • Hyderabad, India cloudztec.com Full time

    Senior Systems Administrator (Windows / Exchange / Azure)Location: Hybrid/On-site Type: Full-time • Exempt Reports to: IT Infrastructure ManagerRole SummaryOwn the reliability, security, and lifecycle of our Microsoft stack across on-prem and Azure. You’ll administer Windows Server and Microsoft Exchange, manage Azure resources, handle light SQL...


  • Hyderabad, India cloudztec.com Full time

    Senior Systems Administrator (Windows / Exchange / Azure) Location: Hybrid/On-site Type: Full-time • Exempt Reports to: IT Infrastructure Manager Role Summary Own the reliability, security, and lifecycle of our Microsoft stack across on-prem and Azure. You’ll administer Windows Server and Microsoft Exchange, manage Azure resources, handle...


  • Hyderabad, India cloudztec.com Full time

    Senior Systems Administrator (Windows / Exchange / Azure)Location: Hybrid/On-site Type: Full-time • Exempt Reports to: IT Infrastructure Manager Role SummaryOwn the reliability, security, and lifecycle of our Microsoft stack across on-prem and Azure. You’ll administer Windows Server and Microsoft Exchange, manage Azure resources, handle light SQL...