Systems Linux Engineer

The Systems Linux Engineer is responsible for the administration, maintenance, and optimization of Linux-based systems across the organization. This role ensures system stability, performance, and security through proactive monitoring, patching, automation, and operational support, while adhering to organizational and industry standards.

• Install, configure, and maintain Linux servers (e.g., Red Hat, CentOS, Ubuntu).

• Manage system resources, user accounts, file systems, and permissions.

• Ensure system availability, reliability, and optimal performance.

• Plan and execute OS patching, upgrades, and vulnerability remediation.

• Ensure systems are up to date with security patches and compliance requirements.

• Perform impact analysis and rollback planning for updates.

• Monitor system performance (CPU, memory, disk, network).

• Identify bottlenecks and optimize system performance.

• Implement capacity planning and resource optimization strategies.

• Implement system hardening in line with security best practices (CIS benchmarks).

• Manage access controls, SSH configurations, firewall rules, and auditing.

• Work closely with security teams to remediate vulnerabilities.

• Develop and maintain scripts for automation of routine tasks (Shell, Python).

• Implement configuration management and automation tools (Ansible, Puppet, Chef).

• Drive infrastructure-as-code practices where applicable.

• Manage system backups and ensure data integrity.

• Perform regular backup testing and recovery drills.

• Support disaster recovery (DR) and business continuity planning (BCP).

• Troubleshoot and resolve system-related incidents and outages.

• Perform root cause analysis (RCA) for recurring issues.

• Provide L2/L3 support for Linux-related escalations.

• Configure and maintain monitoring and alerting tools.

• Analyze logs and system events to detect issues proactively.

• Ensure integration with enterprise monitoring solutions.

• Maintain system documentation, configurations, and SOPs.

• Ensure compliance with internal policies and regulatory requirements.

• Support audits by providing required system and security documentation.

• Expertise in Linux OS (RHEL, CentOS, Ubuntu, SUSE).

• Strong command-line and shell scripting skills.

• Experience with configuration management tools (Ansible, Puppet, Chef).

• Familiarity with virtualization (VMware, KVM) and cloud platforms (AWS, Azure, GCP).

• Knowledge of networking concepts (TCP/IP, DNS, NFS, SSH).

• Experience with monitoring tools (Nagios, Zabbix, Prometheus).

• Understanding of containers (Docker, Kubernetes) is a plus.

• Strong troubleshooting and analytical skills.

• Good communication and collaboration abilities.

• Ability to work in a fast-paced, operations-driven environment.

• Attention to detail and proactive mindset.

• Red Hat Certified System Administrator (RHCSA) / RHCE

• Linux Professional Institute Certification (LPIC)

• Cloud certifications (AWS/Azure – optional)