System Administrator

System Administrator

Location: Borivali, Mumbai
Work Mode: Remote (Initial) Hybrid
Experience: 2-5 Years

Job Summary

We are looking for a skilled System Administrator with strong expertise in Linux Administration, Virtualization, Infrastructure Management, Databases, Networking, and Customer Support. The ideal candidate should have hands-on experience in managing production environments, troubleshooting critical issues, handling customer escalations, and maintaining secure, high-availability infrastructure.

Key Responsibilities

• Install, configure, and maintain Linux and Windows servers.
• Manage virtualization platforms (VMware ESXi/vCenter and Proxmox) Mandatory.
• Configure and manage databases including PostgreSQL, MySQL/MariaDB, TimescaleDB, and StarRocks.
• Install, configure, and troubleshoot Nginx, Apache, and Microsoft IIS.
• Administer storage technologies (SAN, NAS, RAID, LVM).
• Manage and troubleshoot Microsoft 365 and Google Workspace environments.
• Configure and maintain Docker and Docker Swarm.
• Configure and manage SonicWall hardware firewalls and network security.
• Configure and troubleshoot Cisco and other network switches, VLANs, trunking, DNS, DHCP, and TCP/IP.
• Monitor infrastructure using Nagios, OpManager, or similar tools.
• Perform incident management, Root Cause Analysis (RCA), and proactive monitoring.
• Automate routine tasks using Bash and Python.
• Handle customer support queries, technical issues, and critical customer escalations.
• Maintain documentation, SOPs, system reports, and operational records.
• Plan and execute daily, weekly, and monthly infrastructure maintenance activities.
• Coordinate with internal teams and contribute to continuous improvement initiatives.

Preferred Skills / Willingness to Learn

• Strong hands-on experience with Linux Administration.
• Experience with VMware (ESXi/vCenter) and Proxmox Virtualization.
• Knowledge of Microsoft 365 and Google Workspace administration & troubleshooting.
• Working knowledge of Docker and Docker Swarm.
• Experience with PostgreSQL, MySQL/MariaDB, and exposure to TimescaleDB & StarRocks.
• Hands-on experience with Nginx, Apache, and Microsoft IIS.
• Knowledge of SonicWall hardware firewalls and Cisco switches.
• Good understanding of TCP/IP, DNS, DHCP, VLANs, Trunking, and network configuration.
• Experience with SAN, NAS, RAID, and LVM.
• Knowledge of Bash and/or Python scripting.
• Familiarity with monitoring tools such as Nagios and OpManager.
• Exposure to AWS/Cloud Infrastructure, SMTP/Email Infrastructure, and Git/SVN.
• Experience working in high-availability, production environments or a willingness to learn these technologies.

Desired Candidate Profile

• 2-5 years of relevant System Administration experience.
• Strong troubleshooting and analytical skills.
• Experience handling production environments independently.
• Good documentation, planning, and reporting skills.
• Ability to coordinate with teams and manage customer escalations.
• Excellent communication and customer-facing skills.
• Proactive, accountable, and ownership-driven approach.
• Mumbai-based candidates preferred.
• Immediate joiners or candidates with a short notice period preferred.