Senior UNIX Administrator

Join a team responsible for delivering and supporting enterprise Linux infrastructure in a modern DevOps environment at one of the world’s largest banks.

• 6+ years of hands-on experience administering enterprise Linux environments, primarily Red Hat Enterprise Linux (RHEL).
• Strong expertise in Linux system administration, including performance tuning, kernel parameter optimization, logical volume management, and multipathing.
• Experience with UNIX platforms such as Solaris and/or SUSE Linux Enterprise Server (SLES) is an advantage.
• Strong scripting and automation skills using Shell, Python, or Perl.
• Solid experience with Veritas Volume Manager and Veritas Cluster Server.
• Experience with virtualization platforms such as VMware, Hyper-V, or Citrix.
• Knowledge of SAN/NAS storage administration, filesystem configuration, clustering, and replication technologies.
• Good understanding of networking fundamentals, including TCP/IP, LAN/WAN, DNS, load balancers, VIPs, and firewalls.
• Hands-on experience with infrastructure automation and configuration management tools such as Ansible, Puppet, or Chef.
• Experience working in large-scale enterprise environments with high availability, security, and compliance requirements.
• Strong analytical and troubleshooting skills with a proactive approach to problem solving.
• Excellent communication skills and ability to collaborate effectively with cross-functional technical teams.
• Familiarity with ITIL processes and operational best practices is considered an advantage.

• Deploy, configure, and maintain Linux server environments, primarily Red Hat Enterprise Linux (RHEL), with exposure to UNIX platforms such as Solaris.
• Support infrastructure across development, testing, and production environments, ensuring high availability, performance, and reliability.
• Collaborate with application, infrastructure, and DevOps teams to deliver platform services and troubleshoot complex technical issues.
• Develop automation solutions using Shell, Python, or Perl to streamline operational processes and reduce manual effort.
• Perform incident troubleshooting, root cause analysis, and implement permanent solutions to improve platform stability.
• Participate in infrastructure design, implementation, upgrades, and optimization throughout the project lifecycle.
• Develop and maintain technical documentation, operational procedures, and capacity management standards.
• Analyse infrastructure change requests and translate business requirements into technical solutions.
• Configure and support enterprise storage, clustering, virtualization, and networking technologies.
• Drive continuous improvement initiatives by identifying opportunities to optimize performance, reliability, and operational efficiency.
• Participate in a rotating on-call support schedule approximately once every six weeks, providing 12-hour on-call coverage to ensure platform availability and timely incident response.