Senior Linux Admin / System Admin - Navi Mumbai

Aarav Global Products & Services; Mumbai, Thane, Navi Mumbai; On-site; INR 1,400,000 - 2,000,000; Full time

Job summary

Aarav Global Products & Services is seeking a Linux Administrator (L2/L3/SME) to work on a Nationalized Bank project in CBD Belapur, Navi Mumbai. Day 1 work from office with 24/7 rotational shifts.

The role covers Linux (RHEL) and Windows server administration, patching, hardening, automation via shell scripts, and DR/audit support to ensure high availability of the bank's IT infrastructure.

Responsibilities

• Provide 24x7x365 administration and maintenance for Linux (RHEL) and Windows servers.
• Manage user/group permissions, access controls, GPO, print services, event logs, and security configurations.
• Monitor OS logs, CPU/memory/disk usage, backups and health to maintain uptime.
• Perform OS installation, configuration, upgrades, patch management, hardening and compliance activities.
• Develop shell scripts and automation to reduce manual work and improve efficiency.
• Coordinate with OEMs, VM teams, and support teams via ticketing systems for issue resolution.
• Support DNS, NTP, network configurations and related troubleshooting.
• Assist with DR drills, audits (VAPT/CSR) and closure per bank policies.
• Prepare technical documentation, SOPs and IT policies.

Job description

Position: LinuxAdmin L2/L3/SME

Client: Nationalized Bank

Location CBD Belapur, Navi Mumbai (Work from office from Day 1)

Shift Timing: Rotational (24/7 support-6 days working)

Job Responsibilities :

• Provide 24x7x365 administration and maintenance support for Linux (RHEL) and Windows servers deployed in private, hybrid, and public cloud environments.
• Perform server administration including user/group management, access permissions, GPO, print services, event logs, security controls, and resource monitoring.
• Monitor OS logs, CPU, memory, storage, file systems, backups, and system health; troubleshoot and resolve issues proactively to maintain server uptime.
• Perform OS installation, configuration, upgrades, patch management, hardening, performance tuning, and security compliance activities.
• Manage storage, file systems, mount points, LVM, SFTP, NFS, antivirus, backups, and server capacity.
• Develop shell scripts and automation solutions to improve operational efficiency and reduce manual activities.
• Monitor and manage servers and technology tools, including integration with performance monitoring, SIEM, ITAM, DAM, SCD, and other Bank systems.
• Coordinate with OEMs, VM teams, RHEL/Windows support teams, and other technical stakeholders through ticketing systems for issue resolution.
• Support DNS, Proxy, NTP, network, and other infrastructure-related configurations and troubleshooting.
• Handle VAPT, IS Audit, CSR, SCD, and other audit/security observations, ensuring timely compliance and closure as per Bank policies.
• Support cluster administration including cluster start/stop, resource configuration, parameter changes, and cluster log monitoring.
• Perform DR drill activities and support actual DR failover/switchover during disaster situations.
• Manage OS-related incidents, service requests, changes, and maintenance activities in coordination with relevant teams and required approvals.
• Prepare and maintain technical documentation, SOPs, manuals, operational procedures, and IT policies.
• Ensure continuous compliance, system availability, security, performance, and reliability of the Bank's server infrastructure.