IT Systems Administrator
Role details
Job location
Tech stack
Job description
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.
Key Responsibilities
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
Requirements
Essential
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
Desirable
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
