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Linux Systems Administrator

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Job Description - Linux Systems Administrator

Linux systems administrator

We are looking for a dedicated, proactive system administrator with strong Oracle linux and RDBMS support to help support our development team.

Hybrid working (Kent head office / WFH)

Responsibilities

  • Support our development team with server provisioning, testing, configuration, monitoring and maintenance.
  • Manage and maintain our Linux-based hosting infrastructure (VmWare on prem / Vmware backed private hybrid cloud)
  • Instantiate a patch management regime to proactively deal with security, updates and configuration changes in line with best practice and operating system (not server) hardening best practice.
  • System performance monitoring, alert management, and proactive issue management.
  • Provide support for RDBMS solutions in use Postgres/Mysql (including configuration, troubleshooting and backup/restore processes).
  • Perform ad hoc and routine tasks including server provisioning using scripting and standard tools (BASH, sed/awk, Ansible etc)
  • Work with developers and others to improve continuous integration, system performance and reporting.
  • Maintain concise documentation for infrastructure, process, and system recovery procedures.
  • Rationalise, administer, test and maintain our backup services in line with BC and DR models.

Essentials:

  • 5+ years’ experience in Linux systems administration, ideally Oracle Linux 7-9.
  • Solid demonstrable understanding of networking including Firewall admin, DNS, network tools and troubleshooting.
  • Extensive experience with patch management and system management tools and processes (Ksplice, Cockpit, Systemd)
  • In depth experience of package management tools and Linux security objects including SELinux, firewalld, iptables, DNF/YUM
  • Practical knowledge of automation tools and system management tools (Ansible, Bash etc)
  • Knowledge of web server configuration, troubleshooting and management (Nginx, Apache) including load balance solutions.
  • Knowledge of monitoring tools (Netdata, Prometheus, New Relic, Grafana)
  • Hands experience of provisioning and managing Vmware
  • A proactive problem solving mindset aimed at continuous improvement.

Desirable:

  • Experience with AWS hosting and related services (EC2, Amplifiy, Route53)
  • Experience with VMware cloud, Oracle VM, Podman or Docker.
  • Previous experience with system/platform migration projects

What We Can Offer

  • Hybrid working (2-3 days remote per week)
  • 20 (+ Birthday off) days annual leave + bank holidays
  • Very friendly, collaborative team
  • An environment of continuous improvement and excitement
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