Senior Infrastructure Support Engineer(email system)

Responsibilities

Linux System Administration

• Provide day-to-day administration, monitoring, and maintenance of Linux server environments (Red Hat Enterprise Linux, SUSE, or equivalent).

• Manage system installation, configuration, patching, performance tuning, and capacity planning.

• Perform troubleshooting and incident resolution for Linux-based infrastructure, ensuring high availability and minimising downtime.

Cloud Platform Support

• Support the deployment, configuration, and management of cloud infrastructure (e.g., AWS, Azure, or private cloud platforms).

• Assist in cloud migration activities, including workload assessment, provisioning, and post-migration validation.

• Monitor cloud resources, cost utilisation, and security configurations, escalating anomalies as appropriate.

BAU Operations & Project Support

• Participate in infrastructure-related project workstreams, including OS upgrades, server refreshes, and cloud adoption initiatives.

• Contribute to automation efforts using scripting (e.g., shell, Python, Ansible) to streamline repetitive operational tasks.

• Maintain accurate infrastructure documentation, including system diagrams, runbooks, and standard operating procedures.

Required Qualifications & Experience

• Bachelor's degree in Computer Science, Information Technology, or related field.

• Minimum 5 years of experience in Linux system administration in an enterprise environment.

• Hands-on experience with at least one major cloud platform (AWS, Azure, or GCP).

• Must possess strong hands-on experience and solid technical knowledge in Red Hat Enterprise Linux (RHEL).

• Proven competency in cloud administration across both AWS and Azure platforms is strictly required.

• Solid experience in supporting and administering email servers/systems, specifically Lotus Notes and Coremail.

• Familiarity with infrastructure-as-code tools (Terraform, Ansible) and container technologies (Docker, Kubernetes) is a plus.

• ITIL Foundation certification is preferred.