Server Administrator – L2/L3
1 day ago
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) About ZL Technologies ZL offers today's leading organizations the ability to comprehensively manage the entirety of their digital assets. One seamless and scalable solution can manage billions of documents and other unstructured data from a consolidated point of control.The ZL Tech platform leverages a unified architecture that enables large enterprise organizations to solve the challenges of compliance, privacy, e-discovery, and records management, while harnessing their data for enterprise analytics and AI. ZL Tech is an Equal Opportunity Employer and does not discriminate against any employee or applicant for employment because of race, color, sex, age, national origin, religion, sexual orientation, gender identity and/or expression, status as a veteran, and basis of disability or any other federal, state or local protected class.
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