Senior System Engineer - Linux

Key Responsibilities

• Administer, maintain, monitor, and optimize RHEL and Amazon Linux servers across on-premises, VMware, AWS, and private cloud environments
• Manage OS installation, configuration, upgrades, patching, repositories, services, filesystems, storage, and server lifecycle activities
• Support Linux services, including DNS, NTP, SMTP relay, certificates, SSH, authentication, and directory service integrations
• Monitor system performance, capacity, availability, and health, and troubleshoot infrastructure and application issues
• Maintain Linux-based application platforms, including Apache Tomcat and related middleware components
• Implement Linux security hardening, vulnerability remediation, access reviews, certificate renewals, and compliance controls
• Develop and maintain automation scripts using Bash, Python, Ansible, AWS Systems Manager, or similar tools
• Operate and monitor Linux storage, filesystems, EBS volumes, backup agents, and recovery processes across relevant environments
• Perform backup verification, restoration testing, disaster recovery exercises, and support high availability and business continuity initiatives
• Maintain infrastructure documentation, operational procedures, configuration records, and audit evidence
• Identify opportunities for automation, performance optimization, capacity planning, and continuous service improvement
• Prepare operational reports, incident updates, root cause analysis inputs, and technical recommendations while collaborating with relevant technology teams

Person Specifications

• Bachelor's degree or diploma in Computer Science, Information Technology, Engineering, or a related field
• 4+ years of hands-on experience in Linux Systems Administration, Systems Engineering, or Infrastructure Operations
• Strong practical experience administering and troubleshooting Red Hat Enterprise Linux (RHEL) and Amazon Linux
• Experience supporting hybrid infrastructure across on-premises data centers, VMware, AWS, and private cloud environments
• Working knowledge of TCP/IP, DNS, NTP, SMTP, certificates, storage, backup, high availability, disaster recovery, and monitoring tools
• Practical scripting and automation skills using Bash, Python, Ansible, AWS Systems Manager, or equivalent tools
• Understanding of Linux security, access control, authentication, OS hardening, vulnerability management, and IT service management practices
• Familiarity with ITIL, ISO 27001, and relevant regulatory or governance requirements is an advantage
• Certifications such as RHCSA, RHCE, AWS, VMware, or ITIL are desirable
• Strong troubleshooting, analytical, documentation, and communication skills
• Ability to work independently, prioritize tasks, collaborate across teams, and participate in after-hours support when required

Vendor submissions - 12 months