Linux Systems Engineer II at The Shoprite Group of Companies

Job Objectives    
To administer and support the Linux environments

•  Resolve Incidents and fulfil Service Requests using a service management ticket queue and Change Management processes
•  Maintaining service configurations as and when they change or are deployed

To build and maintain Linux server environments

•  Develop and maintain documentation for standards, processes, policies and procedures
•  Work within established configuration and change management policies to ensure awareness, approval, and success of changes made to the infrastructure

To assist with System Availability, Performance and Monitoring

•  Ensuring the correct metrics are being monitored for system availability
•  Ensure the overall health and performance of production environment

To ensure information security and regulatory compliance

•  Manage server security remediation activities which will include conducting vulnerability scans and patching
•  Assist with information security practices, policies, least privilege, RBAC, encryption (GPG, SSL/TLS, PKI)

To assist with Disaster recovery management, procedures & documentation

•  Keep DR environment in sync with production environment
•  Assist with creation of DR plan and recovery procedures for Linux systems and applications

To perform Linux application administration and support

•  Perform administration on DNS Bind and Squid Proxy Servers
•  Perform administration on services and applications such as LDAP, SNMP, SMTP, Apache Web Server, Apache Tomcat, JBOSS and MySQL

Qualifications    
Essential:

• Grade 12
• Industry Certification: LPIC (Linux Professional Institute Certification)

Desirable:

• Industry Certification: RHCE (Red Hat Certified Engineer)
• Industry Certification: SUSE CLP (SUSE Certified Linux Professional)

Experience    
Essential:

• Extensive System Administration experience with Red Hat Linux and SUSE enterprise Linux (35 years)
• Proven history of incident response, diagnostic activities, Root Cause Analysis (RCA), Corrective Action Plans, and advanced troubleshooting (35 years)
• Experience with RDS databases like MySQL, LDAP, Bind DNS service and Apache Web service (35 years)

Desirable:

• Experience working with virtualisation technologies (12 years)
• Experience in documenting environment and processes (12 years)

Knowledge and Skills    
Essential:

• Understanding of UNIX/Linux Fundamentals and concepts
• Understanding of network and storage principles
• Knowledge of industry security principles and server vulnerability remediation practices
• Indepth knowledge of Redhat and SUSE Enterprise Linux
• Scripting experience, specifically with Ruby/Perl and shell scripting language to automate existing and workloads and routine system admin tasks
• Indepth knowledge of TCP/IP, BIND, LDAP and other common LAMP stack components (Linux OS, DNS, SNMP, SMTP, Apache Web Server, Apache Tomcat, JBOSS, MySQL)
• Experience with Squid Cache

Desirable:

• IBM hardware knowledge
• Disaster Recovery Planning knowledge
• Exposure to the concepts of "cloud"
• Experience with FTP daemons such as ProFTPD
• Virtual environments knowledge including VMWARE, HyperV and KVM