Linux Server Administrator

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.