System Administrator

Job Description

• Manage, monitor, and maintain Linux servers to ensure high availability and optimal performance.
• Perform routine system administration tasks including patching, user management, resource monitoring, backup validation, and security hardening.
• Troubleshoot hardware, OS and assist in troubleshooting network, and application-level issues across physical and virtualized environments.
• Admin and maintain virtualization platforms including VM lifecycle management.
• Configure and maintain storage systems (SAN/NAS), including provisioning, zoning, multipathing, and performance analysis.
• Implement and enforce security policies, including access control, audit compliance, and vulnerability remediation.
• Monitor system health using tools such as Prometheus, Grafana, Nagios or similar monitoring platforms.
• Coordinate with development, networking, and security teams to support infrastructure for mission-critical applications.
• Participate in on-call rotations, incident response, root-cause analysis, and preventive actions.
• Maintain documentation for system configurations, SOPs, architecture designs, and operational workflows.

Qualifications

• Bachelor’s degree in computer science, Information Technology, Electrical Engineering, or a related field.
• Certifications such as RHCSA/RHCE or equivalent are a plus.

Experience

• 1–4 years of hands-on experience in Linux/Unix system administration (preferably RHEL / CentOS).
• Strong understanding of IT infrastructure, virtualization, storage, networking, and security fundamentals.
• Experience working in enterprise, fintech, or regulated environments is a plus.

Skills

• Expertise in Linux (RHEL/CentOS/Ubuntu) Server environments.
• Hands-on experience with VMware ESXi/vCenter, cluster management, snapshots, and VM performance tuning.
• Strong knowledge of SAN/NAS storage systems, Fibre Channel zoning, iSCSI, NFS/SMB, multipath configuration, and performance troubleshooting.
• Proficiency in configuration management and automation tools (Ansible, Terraform, Bash/Shell scripting).
• Experience with monitoring platforms (Nagios, Prometheus, Grafana), log management, and alert tuning.
• Familiarity with network fundamentals: TCP/IP, routing, DNS, DHCP, firewalls, VLANs, load balancers.
• Knowledge of backup and recovery solutions e.g. Veeam.
• Understanding of security hardening, patch management, identity management (FreeIPA/AD), and audit controls.
• Strong problem-solving and root-cause analysis capabilities.
• Excellent communication and documentation skills.
• Ability to work under pressure in fast-paced, high-availability environments.
• Ability to work in 24/7/365 rotational shifts.
• Strong sense of ownership, accountability, and attention to detail.
• Collaborative mindset with ability to work across cross-functional teams.
• Ability to plan, prioritize, and manage multiple tasks efficiently.