Salary: £45,000 - 55,000 per year Requirements: Extensive experience in Linux systems administration Strong understanding of infrastructure, networking, and systems operations Experience with VMware or similar virtualisation platforms Strong knowledge of TCP/IP, DNS, DHCP, VPNs, firewalls, and networking fundamentals Experience administering Microsoft 365 and Azure Experience with cloud infrastructure and SaaS platforms Experience with backup, monitoring, and endpoint management solutions Ability to work independently and manage priorities effectively Experience with scripting or automation such as Bash, Python, or PowerShell is desirable Experience with Cyber Essentials or security compliance is desirable Familiarity with ITIL principles or ticketing systems is desirable Experience with VoIP systems or conferencing technologies is desirable Knowledge of GDPR and IT compliance standards is desirable Full UK driving licence and own transport are required Responsibilities: Provide day-to-day administration, support, maintenance, and ongoing development of our IT infrastructure and systems Administer and support Linux server environments Manage virtualised and cloud-based infrastructure Maintain servers, networking, VPNs, firewalls, Wi-Fi, and related infrastructure Manage cloud platforms and SaaS systems including Microsoft 365 and Azure Monitor system performance, availability, backups, and disaster recovery Manage patching, endpoint security, antivirus, and access controls Provide first- and second-line support for hardware, software, and networking issues Manage onboarding and offboarding processes for staff Provision laptops, devices, accounts, and software access Support users across multiple sites when required Automate systems administration and deployment tasks where possible Identify opportunities for process and infrastructure improvements Lead infrastructure upgrades, migrations, and IT improvement projects Support compliance, security best practices, and audit readiness Technologies: Azure Bash Cloud Hardware Support ITIL Linux Microsoft 365 PowerShell Python Security TCP/IP VMware Office 365 More: We are seeking an experienced and self-sufficient Senior Linux Systems Administrator to join our team in Hull. This is a hands-on senior role for someone who thrives in an autonomous environment, enjoys solving complex technical challenges, and is confident managing critical Linux infrastructure with minimal supervision. The role is primarily based in Hull, with occasional travel to other UK sites as required. You will play a key part in supporting and improving our infrastructure across Linux, cloud, networking, security, and user support, while contributing to ongoing projects, automation, and compliance initiatives. last updated 21 week of 2026