Senior Linux Systems Engineer

JOB PURPOSE

The Senior Linux Systems Engineer will be involved in configuring, maintaining, and administrating the Linux estate including the Kubernetes and Docker solutions. The Senior Linux System Engineer will be involved with determining strategy and will also aid in the lifecycle management of all related technologies from incubation to end of life planning. The role is also responsible for ensuring security and configuration compliance and will work with other members of the IT System engineering Team. Vendor management and internal client expectation management is also core to the role. As part of the responsibilities, the role will be tasked to respond to requests from end users, managers, developers, and team members for specific IT system assistance, data, and information. Senior Linux System Engineer role collaborates with senior personnel in performing risk assessments to determine impact on customer business processes and systems downtime and proposes changes as needed. The Senior Linux System Engineer implements system changes across large, complex and diverse collaborative environments by using standardised defined methods and procedures; provides efficient and prompt handling of all changes to improve day-to-day operations.

RESPONSIBILITIES

Infrastructure and Network Development and Maintenance

Direct and oversee infrastructure developments and maintenance. Proactively maintain and develop all Linux infrastructure technology to maintain a 24x7x365 uptime service. Fault finding, analysis and of logging information for reporting of performance exceptions. Proactively monitoring system performance and capacity planning Create and modify scripts or applications to perform tasks. Plan and execute system fixes, updates, and enhancements. Ownership and execution of incident management and system maintenance.

Enterprise Infrastructure Modernisation

Drive advances in technologies and architectures to increase the value delivered by technology and digital capabilities, either through improvements to the efficiency of technology environment or through those that reduce the total cost of technology operations. Recommend and participate in activities related to the design, development and maintenance of the digital capabilities within the enterprise architecture.

Technical Developments Recommendation

Discuss and recommend more complex or innovative technical developments to improve quality of the website / portal / application software and supporting infrastructure to better meet business needs. Engineering of systems administration-related solutions for various project and operational needs.

Information Security

Lead in detecting and analysing security incidents including attacks, breaches, and identified vulnerabilities and remediate any security gaps in line with the security incident management procedure. Implement security procedures, as directed by security team.

Enterprise Architecture

Contribute to architecture viewpoints that articulate business requirements. Maintain best practices on managing systems and services across all environments. Provide input on ways to improve the stability, security, efficiency, and scalability of the environment. Optimise and maintain performance, housekeeping, availability, serviceability, and recovery. Ensure system availability, functionality, integrity, and efficiency, and maintain system configuration and documentation.

Analysis of "As Is" and "To Be"

Document complex "as is" and "to be" processes and describe the changes required to migrate to the "to be" capability to record accurately the change required. Collaborate with other teams and team members to develop automation strategies and deployment processes.

Horizon Scanning

Explore and develop a detailed understanding of external developments or emerging issues and evaluate their potential impact on, or usefulness to, the organisation.

Operational Compliance

Monitor and review performance and behaviours within area of responsibility to identify and resolve non-compliance with the organisation's policies and relevant regulatory codes and codes of conduct.

Requirements

GENERAL EDUCATION

Grade 12 / SAQA Accredited Equivalent (Essential)

Linux certifications (RHCT, RHCE and LPIC) (Essential)

Bachelor's degree in Computer Science, Information Systems, or similar relevant degree (Advantageous)

GENERAL EXPERIENCE

8 to 10 years’ experience in Linux technologies (Essential)

Previous working experience as a Linux Administrator for 3-5 years' (Essential)

Extensive Kubernetes and Docker experience (Advantageous)

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