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High-performance Computer
2 weeks ago
UP Professional and Support:
DEPARTMENT OF INFORMATION TECHNOLOGY SERVICES
HIGH-PERFORMANCE COMPUTER (HPC) SYSTEM ADMINISTRATOR
PEROMNES POST LEVEL 7- The University of Pretoria's commitment to quality makes us one of the top research Universities in the country and gives us a competitive advantage in international science and technology development.
JOB PURPOSE:
The purpose of the High-Performance Computer Cluster Administrator is to facilitate and advance cutting-edge research by providing robust, reliable, and high-performance computing infrastructure, along with expert support and guidance to researchers across various disciplines.
- Central high-performance computational cluster;
- Natural and Agricultural Science (NAS) cluster;
- RedCap database server for clinical research.
RESPONSIBILITIES:
- Operating system installation and maintenance:
- Install, configure, and maintain operating systems (e.g., Linux) on the HPC cluster nodes;
- Troubleshoot and resolve operating systemrelated issues;
- Cluster management, system installation and maintenance:
- Deploy, configure, and manage cluster management software (e.g., Slurm, PBS Pro) to allocate computing resources efficiently;
- Monitor system performance and optimise cluster utilisation;
- Implement and maintain job scheduling policies to meet the diverse needs of researchers;
- Cluster internal network management:
- Configure and manage internal network infrastructure for optimal performance and reliability;
- Troubleshoot network connectivity issues, and implement solutions as necessary;
- Ensure effective communication between cluster nodes and storage systems;
- Cluster storage management:
- Administer storage solutions (e.g., Lustre, BeeGFS) for highperformance data access and storage;
- Allocate and manage storage resources according to research requirements;
- Implement backup and disaster recovery strategies to safeguard research data;
- User management:
- Provide user support and assistance in accessing and utilising HPC resources;
- Manage user accounts, permissions, and quotas;
- Offer guidance on best practices for efficient utilisation of HPC resources;
- Documentation development and training:
- Develop and maintain comprehensive documentation for HPC system configuration, usage, and troubleshooting procedures;
- Conduct training sessions and workshops to educate researchers on HPC best practices and utilisation techniques;
- Liaison with stakeholders:
- Collaborate with faculty members, researchers, and other stakeholders to understand their computational needs and requirements;
- Communicate technical information to both technical and nontechnical audiences;
- Act as a liaison between research teams and the IT department to address infrastructurerelated issues;
- Application support:
- Stay updated on emerging technologies and trends in HPC and scientific computing.
MINIMUM REQUIREMENTS:
- Relevant Bachelors/BTech degree; with
- A total of four years' experience in:
- Administering and managing HPC clusters in a research or academic environment;
- Linux system administration and shell scripting.
- Cluster management systems (e.g. Slurm, PBS Pro) and parallel file systems (e.g., Lustre, BeeGFS);
- Relevant three years National Diploma; with
- A total of six years' experience in:
- Administering and managing HPC clusters in a research or academic environment.
- Linux system administration and shell scripting.
- Cluster management systems (e.g. Slurm, PBS Pro) and parallel file systems (e.g., Lustre, BeeGFS).
REQUIRED COMPETENCIES (SKILLS, KNOWLEDGE AND BEHAVIOURAL ATTRIBUTES):
- Knowledge of:
- Linux operating structure architecture;
- Cluster computing concepts;
- Highperformance storage;
- Advanced storage design;
- Understanding of networking concepts and protocols;
- Technical competencies:
- Linux system administration and shell scripting;
- Cluster computing management;
- Network administration;
- Highperformance storage management;
- Behavioural competencies:
- Problemsolving skills, calm in a crisis, good communication skills with users and managers, logical, meticulous, good judgement skills;
- Ability to work independently and collaboratively in a dynamic research environment;
- Ability to perform faultfinding and implement solutions.
ADDED ADVANTAGES AND PREFERENCES:
- Relevant postgraduate qualification;
- Two years' experience with:
- Network design;
- IT Infrastructural library (ITIL) and change control;
- Userdirected documentation development and training;
- Certification as a:
- Linux server administrator;
- Server administrator;
- Network administrator;
- Cluster administrator.
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