Senior System Administrator

Only candidates currently in Pune or Open to relocate to Pune, please apply: Job Description: We are seeking a skilled and detail-oriented Senior System Administrator to oversee, manage, and support on-premise servers and secure network infrastructure across multiple hospital sites and a central data centre. This is a critical, hands-on role focused on maintaining server uptime, ensuring secure and stable connectivity, managing reliable data backups, and supporting local IT teams to ensure seamless operations in a mission-critical healthcare environment. The ideal candidate will have strong Linux (Ubuntu) server administration skills, be highly responsive to system issues, and have a strong understanding of secure networking, backup integrity, and infrastructure compliance. This role requires technical depth, a proactive mindset, and a commitment to maintaining high system availability and security in environments where downtime is not an option. Key Responsibilities: 1) You will manage and maintain on-premise servers located at hospitals and central site 2) You will ensure secure connectivity between all sites using VPN and APN 3) You will monitor server performance, uptime, and resource utilization 4) You will perform daily backup operations and ensure data is stored reliably on NAS 5) You will validate backup integrity and troubleshoot failed backup jobs 6) You will respond to system issues and incidents reported by hospital staff 7) You will perform routine maintenance: software updates, patch management, and log reviews 8) You will configure and manage network settings, firewall rules, and remote access 9) You will maintain documentation for system configuration, incident resolution, and backups 10) You will coordinate with local IT staff for on-site troubleshooting or hardware issues 11) You will support new server deployments, configurations, and migrations as needed 12) You will ensure compliance with IT policies, security standards, and audit readiness 13) You will prepare periodic reports on server health, backup status, and incident logs Candidate Profile: Required Qualifications: Strong hands-on experience with Ubuntu Server administration Proficient in VPN and APN setup and troubleshooting across distributed locations Deep understanding of Linux CLI tools, systemd, cron, and shell scripting Experience with rsync, rclone, or similar tools for backup and NAS integration Skilled in managing firewall (UFW/iptables), SSH hardening, and basic security configurations Ability to troubleshoot network, disk, and service-level issues on Ubuntu Familiarity with automated updates, patching, and system monitoring (manual/log-based) Knowledge of LVM, RAID configurations, and disk performance tuning Proficient in documenting server setup, changes, and incident handling Able to manage remote server environments without centralized monitoring tools Excellent problem-solving skills and responsiveness to live issues Prior experience in healthcare or mission-critical IT environments is an advantage Desired Qualifications: Experience with automation tools like Ansible or Bash scripting for repetitive tasks Familiarity with open-source monitoring tools (e.g., Zabbix, Prometheus, Grafana) for future implementation Knowledge of NAS management, especially with NFS or SMB protocols Understanding of basic MySQL/PostgreSQL server administration Experience in log management and analysis using tools like Logwatch, journalctl, or syslog Ability to design and implement disaster recovery plans Exposure to ITIL practices or structured ticketing/helpdesk environments Ability to train and mentor junior IT staff or hospital IT coordinators Awareness of cybersecurity best practices in handling patient data and medical systems Willingness to contribute to process improvement and documentation standardization