20 of 20 Systems Administrator Jobs in London

Cleared WINTEL Systems Administrator (Platform Manager) Location: London (On-Site) Type: Contractor Start Date: Jan 2026 End Date: TBC Must be eligible and willing to go through high level security clearance Our client, a reputable organisation supporting local government, is hiring for a dedicated WINTEL Systems … call support on a rotational basis (out of hours, 1 week in 3). What you'll bring: . Strong knowledge of Windows systems and network fundamentals. . Experience running and maintaining a monthly security patching process. . PKI knowledge to support secure communications. . Ability to work well ...

Linux Systems Administrator - Intermediate - Financial/Banking Working in a busy and vibrant Financial/Banking environment, candidates will have a minimum of 2+ years Red Hat Linux systems Administration with some Scripting - Bash/Python - and ideally some SQL/Database knowledge. Job Overview … will be providing 1st, 2nd & 3rd line Linux technical support, troubleshooting, and maintenance for Linux-based systems and requires excellent problem-solving abilities, and a customer-centric attitude. You will work closely with highly technical internal teams and end-users to ensure the smooth operation of Linux-based servers ...

looking for a proactive, detail-oriented and resilient Business Systems Administrator to join our IT Team located at our Head Office in Islington. £37,500.00 per annum, working 35 hours per week. Want to feel like you're making a difference? You'll feel at home here. … offer continual support, development, and improvements to our business systems and to provide insight into the organisation's data. The Business System Administrator (FTC) role is a support role focused on managing application support requests and providing routine application support, advice, and system administration for key business ...

Wintel Systems Administrator - Platform Manager - Must have an active DV Clearance Are you a technical expert with a strong background in Windows systems and network management ? Do you thrive in high-pressure environments , prioritising critical tasks and resolving incidents swiftly? If you're looking … inventory . Provide on-call technical support on a rotational basis (1 week in 3) . What You Need: Strong knowledge of Windows systems Good understanding of networks Experience running and maintaining a monthly security patching process PKI (Public Key Infrastructure) knowledge Bonus Skills (Desirable but Not Essential): Understanding ...

Robert Half are with a Global Financial Services Organisation to recruit for a Linux/Oracle Systems Administrator (Banking) based in London on an initial 24 Month Fixed Term Contract for a Global Financial services Organisation. Responsibilities: Administer and optimise Oracle databases for core banking applications, ensuring … tuning) Strong command of SQL and Oracle PL/SQL. 5+ years with Linux (RHEL/Oracle Linux) and AIX. Experience with IBM Power systems Shell scripting (Bash, Korn) and automation tools Monitoring tools (OEM, Nagios) and log analysis Banking and financial systems architecture. Experience with Flexcube environments. ...

Robert Half are with a Global Financial Services Organisation to recruit for a Linux/Oracle Systems Administrator (Banking) based in London on an initial 24 Month Fixed Term Contract for a Global Financial services Organisation. Responsibilities: Administer and optimise Oracle databases for core banking applications, ensuring … tuning) Strong command of SQL and Oracle PL/SQL. 5+ years with Linux (RHEL/Oracle Linux) and AIX. Experience with IBM Power systems Shell scripting (Bash, Korn) and automation tools Monitoring tools (OEM, Nagios) and log analysis Banking and financial systems architecture. Experience with Flexcube environments. ...

Junior Service Desk Analyst/Systems Administrator – London - 365, Azure AD Comp: £40K - £45K + Bonus + Bens Location: EC3 We're looking for a Junior Analyst/Sys Admin to join the enterprise InfraSec team of an asset manager in the city. From … support and maintain critical systems across a wide range of technologies, helping to ensure that their infrastructure remains secure, resilient and efficient. This is a junior role so experience wise, we're looking for someone with 1 - 2yrs experience, no more than that. Also, whilst technical ability is obviously ...

Junior Service Desk Analyst/Systems Administrator – London - 365, Azure AD Comp: £40K - £45K + Bonus + Bens Location: EC3 We’re looking for a Junior Analyst/Sys Admin to join the enterprise InfraSec team of an asset manager in the city. From … support and maintain critical systems across a wide range of technologies, helping to ensure that their infrastructure remains secure, resilient and efficient. This is a junior role so experience wise, we’re looking for someone with 1 - 2yrs experience , no more than that. Also, whilst technical ability is obviously ...

looking for a proactive, detail-oriented and resilient Business Systems Administrator to join our IT Team located at our Head Office in Islington. £37,500.00 per annum, working 35 hours per week. Want to feel like you're making a difference? You'll feel at home here. … offer continual support, development, and improvements to our business systems and to provide insight into the organisation's data. The Business System Administrator (FTC) role is a support role focused on managing application support requests and providing routine application support, advice, and system administration for key business ...

Robert Half are with a Global Financial Services Organisation to recruit for a Linux/Oracle Systems Administrator (Banking) based in London on an initial 24 Month Fixed Term Contract for a Global Financial services Organisation. Responsibilities: Administer and optimise Oracle databases for core banking applications, ensuring ...

well-established and highly progressive law firm is seeking a CAFM Facilities Systems Administrator to support the management and optimisation of its workplace systems. This is a fantastic opportunity for someone with strong technical skills to play a key role in ensuring data accuracy, system efficiency … utilisation, asset performance, maintenance, and costs. Use data insights to support strategic planning and improve operational efficiency. Skills & Experience: Experience with CAFM or booking systems (e.g. ServiceNow, Concept FSI, Maximo, Condeco). Strong Excel skills including advanced formulas, pivot tables, and data manipulation. Familiarity with reporting tools such ...

looking for a proactive, detail-oriented and resilient Business Systems Administrator to join our IT Team located at our Head Office in Islington. £37,500.00 per annum, working 35 hours per week. Want to feel like you're making a difference? You'll feel at home here. ...

DevOps Engineer/Systems Admin-Linux-LAMP- Higher Education Our Higher Education client, a global leader in delivering innovative online learning solutions is seeking a DevOps Engineer/Systems Administrator to join their Platform Services team. The DevOps Engineer/Systems Admin postholder will … Linux/LAMP environments, who enjoys improving processes and tooling and can help guide others as ways of working evolve. DevOps Engineer/Systems Admin-Linux-LAMP- Higher Education Essential Experience Hands-on experience with Linux and LAMP operations. Solid understanding of web technologies. Experience with configuration-as-code ...

System Administrator – Technology A UK media organisation is seeking a System Administrator to join its Technology team. This role supports the organisation’s IT infrastructure, which underpins both corporate services and broadcast systems delivering programme output. The role is primarily office based. There will … events. What you’ll be doing Delivering system scoping, research, design, implementation, documentation, and handover for assigned work Working with system suppliers to keep systems up to date and aligned with best practice Supporting and maintaining IT, broadcast, network, IPTV, and telephony systems Aiding in advanced troubleshooting ...

responsibility and variety, combining physical infrastructure management with modern cloud administration.You will support teams working on wind energy and climate projects globally, helping ensure systems remain reliable, scalable, and secure.Your Responsibilities In this System Admin role, you will: Administer and maintain a Microsoft Azure cloud environment Operate and support … maintain HP servers, high-performance workstations, Hitachi SAN, and networking equipment Set up and manage out-of-band access and patching for critical systems (iLO, AMT, etc.) Manage Windows and Apple devices and applications using Microsoft Intune Provide user and system administration across Microsoft 365 and Entra ID Support ...

Summary Working directly under the Projects Team Manager, and alongside a team of other IT engineers, administrators, specialists and technicians, this IT Systems/Network Administrator will fill a vital role in rolling out and implementing new project deployments for our clients. You will be implementing … technology systems – Computers, smart phones, tablets, servers, switches, firewalls, access points, applications, cloud deployments, etc. Qualifications & Skills Must possess a minimum of three years of customer service experience Five years’ experience administering business networks Advanced troubleshooting experience (networking, desktop, server/OS, & virtualization) Advanced Experience with TCP/ ...

Yardi Systems Owner – Yardi, Finance, Power BI (Contract) – London/Hybrid – Up to £600 per day A leading UK purpose-built student accommodation provider is looking for a Yardi Systems Owner to sit across Finance and IT. They operate high-end, “hotel-style” student assets across … specialist to own the system day to day, support c.300 users, and work closely with Finance on BAU, month-end and ongoing enhancements. Yardi Systems Owner – role overview: Own and administer Yardi across Finance and Operations (c.300 users). Act as primary contact for the Yardi vendor – tickets, issues ...

Yardi Systems Owner – Yardi, Finance, Power BI (Contract) – London/Hybrid – Up to £600 per day A leading UK purpose-built student accommodation provider is looking for a Yardi Systems Owner to sit across Finance and IT. They operate high-end, “hotel-style” student assets across … specialist to own the system day to day, support c.300 users, and work closely with Finance on BAU, month-end and ongoing enhancements. Yardi Systems Owner – role overview: Own and administer Yardi across Finance and Operations (c.300 users). Act as primary contact for the Yardi vendor – tickets, issues ...

Reside’s digital infrastructure to support, performance management and where appropriate regulatory compliance. Central to this role is the implementation and optimisation of digital systems - including performance dashboards, data platforms, and SharePoint - to enable accurate reporting, data integrity, and collaborative working across the organisation. Acting as a technical resource … effective use of digital platforms, manage system structures and permissions, and promote digital literacy across the organisation. This includes troubleshooting, training, and ensuring systems are configured to support operational, internal control, efficiency, regulatory reporting, and continuous improvement. The role will be responsible for designing and maintaining a robust ...

submissions) and ensuring individuals understand requirements and procedure to enable timely and appropriate reporting and ensure high quality data is shared with national reporting systems in an efficient manner. Produce high quality, accurate reports for Trust Committees, Groups and Forums on incidents and alerts, providing information in a variety … Trust to integrate data from Ulysses into the Data Warehouse (automatically and/or manually) to enable triangulation of data from other Trust systems to produce intelligent management reporting. Ensure the integrity and security of the system is always maintained including quality assuring data entry, auditing the system ...