Linux Engineer

Responsibilities:

• Administer, maintain, and optimize Red Hat Enterprise Linux (RHEL) servers across development, testing, and production environments.
• Perform hardware diagnostics, troubleshooting, and resolution for physical and virtual servers.
• Monitor system performance, identify bottlenecks, and implement performance tuning solutions.
• Manage system patches, updates, and security configurations in compliance with organizational standards.
• Troubleshoot complex OS-level issues including kernel panics, file system corruption, and network connectivity problems.
• Configure and maintain system services, daemons, and application stacks such as Apache, Nginx, and databases.
• Implement and maintain backup and disaster recovery procedures.
• Manage user accounts, permissions, and security policies using PAM, SELinux, and firewall configurations.
• Document system configurations, procedures, and troubleshooting guides.
• Collaborate with development and DevOps teams to support application deployments and infrastructure automation.

Required Skills & Experience:

• 3 5 years of hands-on experience administering RHEL (7/8/9) or CentOS environments.
• Strong knowledge of Linux system architecture, boot process, and kernel management.
• Expertise in hardware troubleshooting including servers, storage arrays, and network equipment.
• Proficiency with system diagnostics tools and root cause analysis methodologies.
• Experience with package management tools such as RPM, YUM, and DNF.
• Solid understanding of networking concepts including TCP/IP, DNS, DHCP, routing, and VLANs.
• Knowledge of storage technologies including LVM, RAID configurations, and file systems such as ext4 and XFS.
• Experience with virtualization platforms such as KVM or VMware.
• Strong analytical and problem-solving skills with the ability to handle production issues under pressure.

Preferred Qualifications:

• Scripting experience in Bash, Python, or Perl for automation.
• Familiarity with configuration management tools such as Ansible, Puppet, or Chef.
• Understanding of DevOps practices and CI/CD pipelines using tools like Jenkins, GitLab CI, or GitHub Actions.
• Experience with cloud platforms such as AWS, Azure, or Google Cloud.
• Knowledge of containerization technologies such as Docker, Podman, or Kubernetes.
• Experience with infrastructure as code tools such as Terraform or CloudFormation.
• Familiarity with monitoring and logging tools such as Nagios, Prometheus, Grafana, or ELK stack.
• Knowledge of version control systems such as Git.
• Relevant certifications such as RHCSA, RHCE, or CompTIA Linux+.

Soft Skills:

• Strong communication skills with the ability to explain technical concepts to non-technical stakeholders.
• Excellent documentation and knowledge-sharing abilities.
• Collaborative team player with a proactive mindset.
• Self-motivated with the ability to work independently.
• Commitment to continuous learning and staying current with emerging technologies.