Unix OS/Virtualization resource

Next Level Business Services Inc.; Greater London; On-site; GBP 55,000 - 90,000; Full time

Job summary

Next Level Business Services Inc. is seeking a skilled Systems Administrator to install, configure, and maintain UNIX/Linux environments across multiple platforms. The role covers virtualization, clustering, automation, and infrastructure tooling, with a focus on reliability and performance.

You will work with Ansible, Puppet, GitHub, and various hardware platforms to keep systems secure and available. Strong scripting and Agile teamwork are expected.

Qualifications

• Administration of UNIX/Linux OS, system software, and hardware.
• Experience with RHEL/Oracle Linux 7–10 and Solaris 10/11.
• Hands-on with virtualization platforms (VMware, KVM, QEMU, etc.).
• Knowledge of clustering (Red Hat Cluster, VCS) environments.
• Proficient in Ansible Tower, Ansible, Puppet, and GitHub.
• Server hardware and infrastructure monitoring and troubleshooting.

Responsibilities

• Install, configure, test, and maintain UNIX/Linux OS, system software, and hardware.
• Work with virtualization platforms like QEMU, KVM, VMware, and Oracle VirtualBox.
• Administer Linux environments including RHEL/Oracle Linux 7–10 and Solaris 10–11.
• Support Red Hat Cluster and Veritas Cluster Server environments.
• Utilize Ansible Tower, Ansible, GitHub, and Puppet for automation.
• Manage Dell PowerEdge, SPARC, Oracle PCA, and HSM hardware.
• Monitor performance, resource usage, and network connectivity.
• Diagnose and resolve hardware, kernel, OS, and network issues.
• Assist patching teams with BAU activities.
• Develop shell, Python, or Perl scripts to automate tasks.
• Apply TCP/IP, DNS, DHCP, SSH, NFS, and LDAP knowledge.
• Work with Ansible and Puppet for configuration management.
• Engage in Agile practices and Jira for task management.

Skills

System administration

Linux administration

Virtualization

Clustering

Automation scripting

Monitoring

Troubleshooting

Patching BAU

Networking

Configuration management

Agile / Jira

Tools

Ansible Tower

Ansible

GitHub

Puppet

VMware

KVM

QEMU

Dell PowerEdge

SPARC systems

Oracle PCA

HSM

Job description

• System Management: Install, configure, test, and maintain UNIX/Linux operating systems, system software, and hardware components.
• Virtualization Platforms: Work with QEMU, KVM, Oracle VirtualBox, VxRail, VMware, OVM, OLVM, and related virtualization technologies.
• Operating Systems: Administer Linux environments, including RHEL and Oracle Linux versions 7, 8, 9, and 10, as well as Solaris 10 and 11.
• Clustering: Support Red Hat Cluster and Veritas Cluster Server (VCS) environments.
• Infrastructure Tools: Use Ansible Tower and GitHub for infrastructure management and automation activities.
• Hardware Management: Work with Dell PowerEdge M-series and R-series servers, SPARC M-series and T-series systems, Oracle PCA, and HSM.
• Monitoring and Performance: Monitor server performance, resource utilization, and network connectivity to maintain availability and performance.
• Troubleshooting: Diagnose and resolve hardware, software, kernel, operating system, and network issues.
• Patching Support: Support the patching team with business-as-usual (BAU) activities.
• Automation: Develop shell, Python, or Perl scripts to automate repetitive system administration and deployment tasks.
• Networking and Protocols: Apply knowledge of TCP/IP, DNS, DHCP, SSH, NFS, and LDAP.
• Configuration Management: Work with tools such as Ansible and Puppet, alongside virtualization technologies including VMware and KVM.
• Agile Ways of Working: Work with Scrum, Kanban, Agile practices, and Jira as part of process and task management.

Required Technical Skills

• RHEL and Oracle Linux versions 7, 8, 9, and 10.
• Solaris 10 and 11.
• Virtualization technologies: QEMU, KVM, Oracle VirtualBox, VxRail, VMware, OVM, and OLVM.
• Red Hat Cluster and Veritas Cluster Server (VCS).
• Ansible Tower, Ansible, GitHub, and Puppet.
• Dell PowerEdge servers, SPARC systems, Oracle PCA, and HSM.
• Server monitoring, performance management, and infrastructure troubleshooting.
• Shell scripting and automation using Python or Perl.
• Networking fundamentals: TCP/IP, DNS, DHCP, SSH, NFS, and LDAP.