Linux Systems Engineer
Progressive Edge
Cape Town, WC, South Africa
13h ago

Linux Systems Engineer

Purpose of the Job

A large enterprise based in Cape Town seeks a Linux Systems Engineer to assist the Team Lead in the Unix Team with rolling out new Linux systems, maintaining, upgrading, replacing, and improving the long-term performance of the systems.

The candidate will be responsible for the monitoring, maintenance and operation of the Linux based systems consisting of +- 460 SLES and Redhat Enterprise Linux VM's running Enterprise and Open Source Software that are key to daily business operations.

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
  • Requirements :

  • Industry Certification : LPIC (Linux Professional Institute Certification)
  • Industry Certification : RHCE (Red Hat Certified Engineer)
  • Industry Certification : SUSE CLP (SUSE Certified Linux Professional)
  • Extensive System Administration experience with Red Hat Linux and SUSE enterprise Linux (3-5 years)
  • Proven history of incident response, diagnostic activities, Root Cause Analysis (RCA), Corrective Action Plans, and advanced troubleshooting (3-5 years)
  • Experience with RDS databases like MySQL, LDAP, Bind DNS service and Apache Web service (3-5 years)
  • Desirable :

  • Experience working with virtualisation technologies (1-2 years)
  • Experience in documenting environment and processes (1-2 years)
  • Knowledge and Skills

  • Understanding of UNIX / Linux Fundamentals and concepts
  • Understanding of network and storage principles
  • Knowledge of industry security principles and server vulnerability remediation practices
  • In-depth 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
  • In-depth 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
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