Company overview:
was created in June 2019 by the merger of the regional leading hosting
providers Combell Group, Register Group and TransIP Group.
is the most trusted digital enabler and an ecosystem of successful brands working together across regions to provide customers with everything they need to succeed online.
is a leading digital enabler for companies and entrepreneurs. It serves over 3.3 million customers in Europe, and UK, and has more than 3,000 experts to support them. It's goal is to shape technology and to empower businesses with innovative digital services.
Come as you are
Everyone is welcome here. Diversity & Inclusion are at our core. Far above any technical competence, we value respect, openness, and trusted collaboration. We do not tolerate intolerance.
Sustainability
At, our commitment to caring for the environment and each other is at the heart of everything we do. Our latest impact report showcases our ongoing ESG efforts and ambitious sustainability goals. Interested in learning more about our dedication to making a positive impact? Check it out on our website.
Why choose Internet Services UK Limited?
We want every member of our team to achieve more than they thought possible so that we can keep supporting our customers to succeed. We do this with:
* A diverse and inclusive culture
* A relaxed, collaborative atmosphere
* Motivational, coach-style leadership
* Employee perks, including an enhanced holiday scheme and a birthday bonus.
What we do
We make succeeding online as easy as it can be for our customers. We:
* Provide 5-star rated web hosting services
* Keep our products accessible and industry-leading
* Offer a diverse range of products to allow customers to grow
* Are customer-obsessed, offering multi-channel exceptional support
Our values
The five characteristics that drive our behaviours and the heart of our business culture;
* We put our customers at the heart of everything we do
* We're stronger together and we trust each other to do the right thing
* We tell it like it is, and keep doors and mind open
* We treat each other with respect and regard
* We're always thinking 'what's next?'
Job Description
The System Administrator will manage and support our hosting infrastructure with a primary focus on Linux-based servers along with a smaller set of Windows hosting environments, ensuring high availability, performance, and security for all customer services. The ideal candidate has hands-on experience in web hosting environments, excellent problem-solving skills, and a passion for delivering outstanding technical support. Based in Waterford or Galway.
Key responsibilities
* Manage, maintain, and optimize cPanel/WHM servers for shared and VPS hosting environments.
* Deploy, configure, and troubleshoot CentOS/AlmaLinux/RHEL servers and related hosting software.
* Monitor server health, performance, and resource usage; respond to alerts proactively.
* Diagnose and resolve issues related to Apache/Nginx, PHP, MySQL/MariaDB, email services, DNS, and firewall configurations.
* Perform cPanel migrations, backups, restorations, and account-level troubleshooting.
* Implement and maintain security best practices and hardening standards.
* Basic troubleshooting for Windows-based servers & services.
* Manage virtualisation environments (KVM or similar).
* Perform routine updates, patches, and server maintenance tasks.
* Troubleshoot basic network issues firewalls, DNS, and connectivity.
* Document procedures, system configurations, and internal processes.
* Collaborate with support and remote teams to resolve escalated technical issues.
* Participate in an on-call rotation for after-hours support and emergency coverage.
* Build and use automation technologies to manage server fleet.
Required skills & Qualifications
* 3+ years of experience managing Linux servers in a hosting or production environment.
* Strong knowledge of DNS, Apache/Nginx, MySQL/MariaDB, and mail servers
* Proficiency with command-line tools, shell scripting, and server administration.
* Experience with firewalls.
* Familiarity with virtualization technologies (KVM or similar).
* Familiarity with basic PHP.
* Understanding of TCP/IP networking concepts and troubleshooting methods.
* Ability to diagnose performance issues and security incidents.
* Strong documentation, communication, and teamwork skills.
Preferred Qualifications
* Experience with cPanel, CloudLinux, LiteSpeed, Acronis, Imunify360, or other hosting-centric tools.
* Knowledge of automation tools (Rundeck, Ansible, Bash scripting, Python).
* Windows Server Administration (basic to intermediate).
* IIS administration (basic to intermediate).
* MS SQL Server administration (basic to intermediate).
* Familiarity with Jira/Confluence
* Familiarity with Git & Gitlab
Working Hours:
The normal hours of the business are 9:00 a.m. to 5:30 p.m. Monday to Friday inclusive.
Right to work
At any stage please be prepared to provide proof of eligibility to work in the UK/EU.
Unfortunately, we are unable to support Sponsorship Visas.