12 of 12 IT Systems Administrator Jobs in London

IT Systems Administrator

Location
Greater London, England, United Kingdom
IT Systems Administrator - London - ITSA IT Systems Administrator About the Role We are seeking an experienced and proactive IT Systems Administrator to join our IT Department. The successful candidate will be responsible … server environments and enterprise services. Manage users, permissions and security groups. Administer Hyper-V virtual infrastructure. Manage backups. Monitor performance, availability and reliability. Ensure systems remain secure through patch management. Perform server maintenance and upgrades. Troubleshoot and resolve complex infrastructure issues. Participate in infrastructure implementation and upgrade projects. Maintain ...

IT Systems & Network Administrator

Hiring Organisation
Parkside
Location
Heston, Heston West, Greater London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £80000/annum
IT Systems & Network Administrator ONSITE Heathrow/Heston £50,000 – £80,000 depending on experience We are recruiting for an experienced and hands-on IT Systems & Network Administrator to join our client’s IT team. This … requirements. Work with external IT suppliers and support infrastructure projects where required. About You 5+ years' experience in an IT Systems, Network Administration or Infrastructure role. Proven hands-on experience with SonicWall firewalls – this is essential. Strong knowledge of VMware ESXi/vSphere . Experience ...

Senior IT Systems Administrator - Ship & Office Infra

Location
Greater London, England, United Kingdom
Lomar Shipping Limited is seeking an experienced IT Systems Administrator to join our IT Department in London. You will be responsible for administering, maintaining, and improving the company’s office and vessel IT infrastructure to ensure high availability, security, and reliability. ...

IT Systems Administrator — Flexible, 24x7 Support

Location
Greater London, England, United Kingdom
Side is seeking an IT Systems Administrator to join its global IT Support team in London. You will maintain corporate servers, network infrastructure, and desktops (Windows, Mac, Linux) and manage Active Directory, Office 365, Intune, and security controls. The role requires 5 years ...

Senior IT Systems Administrator

Location
Greater London, England, United Kingdom
underpins our vision to become the global leader in packaged holidays. We drive cutting-edge innovation and technical excellence to futureproof the business. Our systems process trillions of daily holiday offers, we deploy over a thousand times a month, serving thousands of requests per second. This is where … responsible for the strategic and high-level operational support necessary to ensure the smooth, day-to-day running of all IT systems for every user across all regions. This role acts as a key escalation point for both internal and external stakeholders. Your day-to-day: Support ...

Senior IT Systems Administrator – Cloud, Networking & AV Support

Location
Greater London, England, United Kingdom
loveholidays is seeking a Senior System Administrator to ensure the smooth operation of IT systems across the UK and Europe. You will report to the Senior Business IT Manager and support staff in our London HQ, Dusseldorf, and remote sites. You'll oversee ...

Hybrid Senior Systems Administrator — UK IT Lead

Location
Greater London, England, United Kingdom
Forge in London (Shepherd’s Bush) seeks a Senior Systems Administrator to own and optimize a world-class IT environment across the UK and South Africa. You will manage Windows and Mac, cloud platforms, and security, with hybrid work and frontline accountability. You’ll report … based IT manager, collaborate across teams, and drive automation and improvements while supporting acquisitions and integrations. A proactive, self-starting mindset is essential. #J-18808-Ljbffr ...

Systems Administrator for Research IT

Location
Greater London, England, United Kingdom
About the Role The primary duty of this role is to provide support for the operating systems, applications and services running on the ITS Research facilities. This covers the HPC cluster, various Research services (e.g. GitHub Enterprise) and virtual machines. Most of these servers run Rocky Linux. The post … supporting large installations of Linux servers and open-source software in an academic or enterprise environment according to best practice. About You The Systems Administrator for ITS Research will primarily be utilising advanced technical skills in Linux, HPC, puppet, Git workflows, and scripting, as part ...

HPC Linux Systems Administrator – Research IT

Location
Greater London, England, United Kingdom
Queen Mary University of London is seeking a Systems Administrator for ITS Research to support the Linux-based HPC cluster, Research services (e.g., GitHub Enterprise) and virtual machines. The role requires strong Linux skills, HPC expertise and DevOps experience including Puppet and Git workflows. The post holder ...

IT Support Engineer: Path to Systems Administrator (Hybrid)

Location
Greater London, England, United Kingdom
Abtrace Ltd. in London is seeking an IT Support Engineer to own internal IT across the company, supporting users … managing access, devices, and day-to-day troubleshooting. The role is hands-on within a small team, with a clear path toward a Systems Administrator position and involvement in our security and audit programme. Based in Paddington, the company operates under high security and compliance standards, including ...

Information Technology System Administrator

Location
Greater London, England, United Kingdom
fast-paced mobile indie titles, we empower studios to bring multiplayer experiences to life. We are looking for an organised, proactive IT Systems and Compliance Administrator to help maintain our internal IT infrastructure and support our information security and compliance activities. … work across on-premises and cloud environments, including AWS, Microsoft Azure and Microsoft 365, helping to ensure systems are secure, reliable and well maintained. You’ll also coordinate day-to-day ISO 27001 compliance activities, maintain evidence and documentation, support audits and help complete security assessments from clients ...

Linux SysAdmin - Flexible Working & Impactful Academic IT

Location
Greater London, England, United Kingdom
Imperial College London is seeking a dedicated IT professional to join the Computing Support Group within the Department of Computing. You will maintain reliable Linux services, drive automation and collaborate across staff, researchers and students to support teaching and research. You will help maintain labs and development environments ...