L2 Linux Windows System Admin

Responsibilities

• Monitor and manage Windows and Linux servers (physical/virtual)
• Perform OS-level troubleshooting, including service failures, boot issues, and system performance
• Manage Active Directory, DNS, DHCP, Group Policy, and basic user administration
• Handle Linux-based services: Apache/Nginx, SSH, cron jobs, system logs, and user/group management
• Patch systems, update firmware, and maintain compliance with security policies
• Coordinate with L1 support and take ownership of escalated incidents/tickets
• Perform regular backups, restore procedures, and support disaster recovery plans
• Assist with automation tasks using PowerShell, Bash, or Python
• Document SOPs, changes, and troubleshooting guides
• Ensure server and system health using tools like Nagios, Zabbix, or SolarWinds
• Participate in on-call rotation and respond to incidents within SLA

Requirements

• 3–5 years of experience in system administration roles
• Proficiency in Linux (Red Hat/CentOS/Ubuntu) and Windows Server (2016/2019/2022)
• Strong knowledge of command-line tools, shell scripting (Bash/PowerShell), and remote management tools
• Experience with virtualization platforms like VMware or Hyper-V
• Working knowledge of ITIL-based ticketing systems such as ServiceNow or Jira
• Familiarity with cloud platforms (AWS, Azure, or GCP) is a plus
• Ability to analyze logs and system reports for troubleshooting
• Good understanding of network protocols: TCP/IP, SSH, RDP, SMB, NFS

Preferred Qualifications

• Certifications such as RHCSA, Microsoft MCSA/MCSE, CompTIA Linux+/Server+, or ITIL Foundation
• Experience with configuration management tools like Ansible, Puppet, or SCCM
• Awareness of cybersecurity and patch management practices