Linux Server Administrator

iZOOlogic · Jaipur, India

We are looking for a Linux Server Administrator with 1–3 years of hands-on experience to manage, maintain, monitor, and troubleshoot Linux-based infrastructure and production servers.

The ideal candidate should have a strong foundation in Ubuntu/Linux system administration , networking, security, troubleshooting, and server management. Familiarity with Docker and Kubernetes is expected, but the primary focus of this role will be Linux server administration and infrastructure operations.

• Install, configure, maintain, and troubleshoot Ubuntu/Linux servers .
• Perform day-to-day Linux system administration, including user management, permissions, processes, services, packages, storage, and system resources.
• Monitor server health, CPU, memory, disk usage, network activity, and system performance.
• Troubleshoot Linux server, networking, storage, and application-related issues.
• Manage SSH, firewalls, users, groups, permissions, sudo access, and basic Linux security hardening .
• Configure and maintain Nginx and Apache web servers and reverse proxy configurations.
• Manage DNS, TCP/IP, ports, routing, and other basic networking components.
• Deploy and manage Docker containers , images, volumes, networks, and containerized applications.
• Perform basic Kubernetes administration and troubleshooting , including pods, deployments, services, namespaces, logs, and resource management.
• Monitor and analyze system and application logs to identify and resolve issues.
• Manage server backups, storage, disk space, and basic disaster recovery procedures.
• Automate repetitive administrative tasks using Bash scripting ; basic Python knowledge is a plus.
• Assist development and DevOps teams with server, deployment, and infrastructure-related issues.
• Follow established security, backup, monitoring, and maintenance procedures.
• Maintain documentation for server configurations, troubleshooting procedures, and standard operating procedures.
• Participate in production support and resolve infrastructure issues within defined timelines.

• 1–3 years of hands-on experience in Linux Server Administration .
• Strong working knowledge of Ubuntu Linux .
• Good understanding of Linux:
• Users, groups, permissions, and sudo
• Processes and services
• Package management
• File systems and disk management
• System logs
• SSH
• Cron/systemd
• Good understanding of Linux networking , including TCP/IP, DNS, ports, routing, and firewalls.
• Hands-on experience with Docker and basic container management.
• Basic to good understanding of Kubernetes concepts and troubleshooting.
• Experience with Nginx or Apache .
• Ability to troubleshoot server and application issues using Linux command-line tools.
• Basic Bash scripting and automation skills.
• Familiarity with monitoring tools such as Prometheus, Grafana, Zabbix, Nagios, or similar .
• Basic understanding of Git and deployment/CI/CD processes.
• Experience with backup management, storage, and log analysis.
• Good problem-solving and troubleshooting skills.

• Experience managing Linux servers in a production environment.
• Familiarity with docker /containerd and Linux container runtimes.
• Knowledge of centralized logging tools such as Loki, ELK/Elastic Stack , or similar.
• Understanding of SSL/TLS certificates and HTTPS configuration.
• Basic understanding of load balancing and reverse proxy concepts.
• Familiarity with virtualization technologies such as VMware, Proxmox, or KVM.
• Basic knowledge of Linux performance troubleshooting and optimization.

• Strong hands-on Linux troubleshooting ability.
• Someone comfortable working from the Linux command line .
• Ability to investigate problems independently rather than relying solely on documentation.
• Willingness to learn and work with Docker, Kubernetes, monitoring, and automation tools.
• Good attention to detail, especially when making changes to production systems.
• Ability to work effectively with developers and other infrastructure team members.