Server Administrator – L2/L3

4 weeks ago

Hyderabad, India ZL Technologies Full time

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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