Server Administrator – L2/L3

19 hours ago

Hyderabad, Telangana, India ZL Tech Full time ₹ 1,04,000 - ₹ 1,30,878 per year

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.


• Willing to work in rotational shift (shift & cab allowances are provided).


• Prefer male candidates only.

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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