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Systems Administrator (infrastructure security)

Date: 24-Dec-2020

Location: Oxford, GB, OX4 4DQ

Company: Nominet



Maybe you know us, maybe you don't. Even though you probably use our services every day. So

we'd like to share more about what we do at Nominet, and why we do it, so that you can help us to

build the right team.


We're proudly at the heart of the UK's critical internet infrastructure. Leading the charge in cyber

security, as we explore and pioneer new tech.

We do this to enable connectivity, inclusivity and security for our world - and create a vibrant digital



That's what drives us - and the kind of people we want to work with.




Competitive salary depending on experience, plus excellent benefits including a 10% bonus, 30 days holidays, Healthcare, Pension Scheme, Life Assurance, Wellbeing allowance, Flex benefits.

Main Job Purpose:


We are looking for an additional team member in our Systems Administration Team who would relish the opportunity to work on technology that's at the heart of the internet. This role is focussed on applying continuous improvement to infrastructure and tools, working within the System admin team and working closely with Information Security and the Security Architect.


This role is a great opportunity for the right candidate to gain exposure to a wide range of technologies that underpin the critical national infrastructure for the UK registry services and Nominet's cyber security solutions. Working in a team responsible for supporting and managing the on-premise, hybrid and cloud IT Infrastructure services and systems for Nominet and its customers


Job Summary:

  • Ensures infrastructure security requirements are clearly defined and adhered to 
  • Accountabilities In the context of Infrastructure Security and Compliance.
  • Evaluate infrastructure deployed in the current environment to ensure they adhere to security architectural requirements 
  • Ensure all infrastructure is regularly patched and up to date
  • Knowledge of infrastructure-based vulnerabilities (e.g. issues in OSWAP) and proactively addressing them


  • Proactively manage both the hardware and software to provide excellent technical support 
  • Work with the wider infrastructure team to deliver infrastructure projects in line with the technical roadmap across multiple technologies and platforms 

  • Management of infrastructure to provide high quality support 

  • Support project activity and balance this with support and administrative tasks 

  • Manage datacentre visits, audits, server install and removal 

  • Server builds/decomission 

  • Build tools/scripts and support previously developed tools and improve automation  

  • Provide support dealing with incidents, daily checks, upgrades, changes, backups & monitoring 

  • Understand and improve/support monitoring infrastructure 

  • Work within an ITIL/ISO 20000 framework to preserve vital production services and produce appropriate documentation 

  • Work to Service Level Agreements to manage uptime and performance of both systems and services 

  • Required for on-call 


Key Requirements:


  • Experience working in System Administration, Server Administation or DevOps role and have proven experience of: 

  • Working within service level agreements 

  • Delivering infrastructure projects 

  • Understanding of a broad range of infrastructure technologies 


Must have good knowledge and experience with: 

  • Linux – Redhat RHEL6/7/8 

  • VMWare 

  • Cloud 

  • AWS 

  • Azure 

  • HP/3PAR SAN 

  • HP & Dell Hardware 

  • Ansible & Terraform 

  • Scripting 

  • Perl 

  • Ruby 

  • Python 

  • Bash 

  • PHP 


The following experience is desirable but not essential: 

  • Kafka / Cassandra 

  • Docker 

  • Bitbucket or similar 

  • VMWare Horizons 

  • Service Now administration 

  • Zabbix configuration 

  • SQL 

  • DNS 

  • Networking 





Please note: As part of the job application, you will be asked to complete a brief online application form and profile.

Job Segment: System Administrator, Developer, Linux, SQL, Database, Technology