Support core Linux services and integrations including DNS, NTP, SMTP relay, certificates, authentication, directory integration, and network configuration.
Respond to incidents and service requests within agreed service levels, escalating complex issues with clear diagnostics and impact details.
Execute Linux patching, vulnerability remediation, OS hardening, access reviews, certificate renewals, and configuration changes in accordance with change-management procedures.
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Enhance and optimize housekeeping jobs to accommodate new system objects and improve operational efficiency.
Perform system performance analysis and tuning; identify and fine-tune jobs or services to improve throughput.
Plan and execute patch management activities for critical IBM products such as IBM i (PTF), VIOS, Copy Services Manager, Connect:Direct, and Security Guardium Key Lifecycle Manager.
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