Linux System Administrator

Overview

Job Description for a Linux Administrator Profile

Job Summary

As a Linux System Administrator, you will be responsible for designing, implementing, managing, and maintaining Linux-based systems and servers. Your role is critical in ensuring the security, reliability, and performance of the organization’s IT infrastructure. You will work collaboratively with cross-functional teams to support applications, resolve issues, and optimize system performance.

Skills & Qualifications

• Strong knowledge of Linux distributions (Ubuntu, Red Hat Enterprise Linux, CentOS, SUSE, etc.).
• Experience with system monitoring tools (Nagios, Zabbix, Prometheus).
• Expertise in configuring and managing web servers (Apache, Nginx).
• Solid understanding of networking concepts (TCP/IP, DNS, VPNs, etc.).
• Knowledge of virtualization and cloud platforms (VMware, AWS, Azure).
• Familiarity with security practices (firewalls, SELinux, intrusion detection).
• Problem-solving skills for diagnosing and resolving system issues.
• Proficiency in scripting for task automation (Bash, Python, Perl, etc.).
• Excellent documentation and communication abilities.

Key Responsibilities

System Management

· Install, configure, and maintain Linux servers (e.g., Ubuntu, Red Hat, CentOS) in virtualized, cloud-based, or on-premise environments.

· Manage storage solutions such as LVM (Logical Volume Manager), SAN (Storage Area Network), and NAS (Network-Attached Storage).

· Ensure uptime and reliability through active performance monitoring and preventative maintenance.

· Manage server environments, ensuring stability, availability, and scalability.

· Troubleshoot hardware and software issues across Linux environments.

· Support end-users with system-related inquiries and provide training on Linux tools and utilities.

Security & Compliance

· Regularly review and implement security updates, patches, and configurations following best practices.

· Manage access control policies, including SELinux, permissions, and firewalls like iptables.

· Conduct vulnerability scans and remediation with tools like OpenVAS, Nessus, or Qualys.

· Support compliance with industry regulations (ISO 27001, GDPR, HIPAA, etc.).

Automation and Scripting

· Basic knowledge of scripts (Bash, Python, or Perl) for system automation.

· Automate deployments using configuration management tools like Ansible, Puppet, or Chef.

· Schedule jobs and system tasks using cron and other automation solutions.

Networking

· Configure and troubleshoot networking services such as DNS, DHCP, NFS, and FTP.

· Work with VPNs, VLANs, load balancers, and proxy servers to ensure secure and efficient connectivity.

· Analyze and optimize network performance using Linux-based tools like tcpdump or iperf.

Cloud & Virtualization

· Deploy and manage Linux systems on cloud platforms (AWS, Azure, GCP).

· Maintain virtualized environments using KVM, VMware, or VirtualBox.

· Leverage container technologies such as Docker and orchestration with Kubernetes for application management.

Backup and Recovery

· Implement and manage backup solutions (rsync, Bacula, Amanda) to protect data integrity.

· Test disaster recovery processes to ensure business continuity in case of failure.

Monitoring

· Monitor system performance using tools like Nagios, Zabbix, or Prometheus

Education & Certifications

· Bachelor’s degree .

· Professional certifications:

o Red Hat Certified System Administrator (RHCSA)

o Red Hat Certified Engineer (RHCE)

Interested candidates can share their resume at khushboo.chouhan@netforchoice.com

Job Type: Full-time

Pay: ₹15,000.00 - ₹30,000.00 per month

Benefits:

• Health insurance
• Provident Fund

Work Location: In person