IT Systems Administrator

My client, a fast-growing AI company based near Cambridge, is seeking an IT Systems Administrator to maintain, upgrade, and support the organisation’s software, hardware, and network infrastructure. This is a hands-on, business-critical role ensuring all IT systems operate smoothly, securely, and efficiently across the company.

You will work closely with technical and non-technical teams, taking ownership of day-to-day IT operations while helping to strengthen and scale the company’s infrastructure as it continues to grow.

• Installing, configuring, and maintaining company software, hardware, and devices
• Managing network servers, storage systems, and internal technology tools
• Setting up user accounts, provisioning workstations, and managing access controls
• Monitoring system performance and ensuring uptime across all platforms
• Troubleshooting IT issues, diagnosing failures, and resolving outages promptly
• Implementing and maintaining cybersecurity protocols, including firewalls, backups, and security policies
• Upgrading systems with new releases, updates, and hardware improvements
• Producing and maintaining documentation, IT policies, and training materials
• Training employees on company software tools (e.g., password managers, internal systems)
• Establishing and maintaining a documented IT security policy
• Ensuring CCTV and digital security infrastructure is properly configured and operational

• Experience in IT support, systems administration, or IT management
• Strong understanding of hardware, software, and networking fundamentals
• Ability to independently diagnose and resolve technical issues
• Knowledge of cybersecurity best practices
• Strong organisational skills and attention to detail
• Good communication skills, including the ability to support and train non-technical staff
• Proactive mindset with the ability to manage a varied workload across multiple systems

• Interest or experience in web development
• Experience with computational or electronics hardware
• Familiarity with CCTV, access-control systems, or digital security infrastructure
• Knowledge of Linux, cloud platforms, or virtualisation technologies
• Previous experience in a start-up or fast-paced technical environment
• Ability to produce and maintain technical IT documentation and policies

• Location: near Cambridge
• Working Pattern: Onsite, 5 days a week
• Scope: Broad role supporting all company-wide IT infrastructure
• Opportunity: Help shape and strengthen IT systems as the company continues to scale