Server Administrator

4 weeks ago

Hyderabad, India ZL Tech Full time

Role Overview:

As an L3 Server Administrator, you will be responsible for design, deployment, administration, optimization, and troubleshooting of enterprise server environments (Windows and/or Linux). This is a senior-level position handling escalations, advanced problem-solving, automation, and close collaboration with virtualization, storage, and networking teams to ensure high availability and security of server infrastructure.

Key Responsibilities:

· Provide L3 operational support for Windows and/or Linux server environments.

· Install, configure, and maintain Windows Server (2016/2019/2022) and/or Linux distributions (RHEL, CentOS, Ubuntu, SUSE).

· Manage Active Directory, DNS, DHCP, Group Policy, WSUS, Certificate Services (for Windows).

· Handle patching, OS upgrades, and vulnerability remediation.

· Troubleshoot escalated incidents (OS, hardware, cluster, and integration issues).

· Manage high availability and clustering solutions (Failover Clusters, Always-On, Pacemaker, Corosync, etc.).

· Administer file/print services, IIS/Apache, NFS/SMB, and other server roles.

· Integrate and support VMware, Hyper-V, and cloud-based servers (Azure/AWS/GCP).

· Implement and monitor backup/recovery, DR strategies.

· Automate server operations using PowerShell, Bash, or Python scripting.

· Perform capacity planning, performance tuning, and security hardening.

· Maintain runbooks, SOPs, and documentation in line with ITIL practices.

· Participate in on-call support rotation and provide RCA for major incidents.

Required Skills & Experience:

· 6–10+ years of experience in Windows/Linux server administration.

· Strong expertise in Active Directory, DNS, DHCP, Group Policy, clustering, and patch management (for Windows).

· Strong knowledge of Linux system services, package management, LVM, and SELinux/AppArmor.

· Familiarity with VMware/Hyper-V virtualization and integration with storage/SAN.

· Experience with monitoring and management tools (SCOM, Nagios, Zabbix, SolarWinds, etc.).

· Strong troubleshooting and root cause analysis skills.

· Knowledge of IT security standards (hardening, patch compliance, auditing).

· Scripting/automation experience with PowerShell, Ansible, Bash, or Python.

Preferred Qualifications:

· Microsoft Certified: Windows Server Hybrid Administrator Associate / MCSE.

· Red Hat Certified Engineer (RHCE) or Linux equivalent.

· Experience with cloud-based server administration (Azure/AWS/GCP).

· Familiarity with DevOps tools (Ansible, Puppet, Chef, Terraform).

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