IT - Administration jobs in the United Kingdom

Join Arriva Rail Services as a Digital & Innovation Graduate in Crewe. Help drive digital transformation and improve rail operations using AI, BI and data analytics on a two-year programme.

Senior Salesforce Administrator (RevTech) role in the UK, owning Sales Cloud and RevOps tools like Gong and QuotaPath. Requires strong Flow, integration and stakeholder skills to optimise scalable revenue systems.

Join a dynamic InfoSec team in London as a Red Team Security Specialist. Conduct offensive penetration testing on cloud and on-prem infrastructure, APIs, and IoT. Hybrid working, formal training, and growth opportunities offered.

Lead the SAP Basis function at our London office as a hands-on SAP Basis Lead. Oversee HANA, BTP, Cloud ALM and ECC landscapes, manage an offshore team, and drive upgrades, migrations and disaster recovery.

Delinea seeks a Technical Support Engineer II in Belfast to deliver world-class support for cybersecurity customers. Requires 1-2 years of support experience, strong IT and networking knowledge, and excellent English communication skills.

Lead Unity's AI adoption as AI Enablement Lead in London. Drive practical upskilling, build automation and prototypes, and turn AI capability into real productivity gains across the business.

Join our London team as an IT Operations Specialist I, providing hands-on macOS, Windows and Linux support in a Google Workspace environment. Manage hire-to-retire IT lifecycle, AV systems and AI-driven workflows. 1-2 years help-desk experience required.

Join Trainline as a Data Analyst in London, turning complex B2B data into actionable insights using SQL, Python and Tableau. Hybrid role with strong benefits, learning budgets and clear career paths.

Join Anaplan as a Security Engineer III in London. Investigate security alerts, lead incident response and DFIR, and tune SIEM detections across cloud-native environments. Apply forensic skills to protect Fortune 50 customers.

Join Bottomline as a Technical Support Engineer in Theale, UK. Troubleshoot financial messaging platforms, resolve complex technical issues, and work with Linux, SQL, and monitoring tools. Strong customer focus required.

Senior II DevOps Engineer role in Theale, UK, focused on Azure-based SaaS platform operations, incident management and automation. Requires strong Azure, Kubernetes, Terraform and scripting skills with hybrid Linux/Windows experience.

Experienced Scrum Master needed in London to drive agile delivery across applications and network squads on a major transformation programme. Facilitate ceremonies, manage backlogs and dependencies, and coach technical teams. Flexible working and growth opportunities offered.

Join Prefect as a Developer Success Engineer (UK-based, remote-first) supporting Prefect and Dagster. Requires Python debugging, cloud/Kubernetes, and workflow orchestration skills. Enjoy equity, 401(k) match, and unlimited PTO.

Senior InfraOps Engineer role in the UK managing on-prem and Azure infrastructure, including Active Directory, Entra ID, Windows Server and SQL databases. Hybrid working, 5 weeks annual leave and profit share scheme offered.

Lead NESO's security governance, risk and compliance function as Head of GRC, reporting to the CISO. Drive threat-led risk frameworks, NIS and CAF compliance across critical national infrastructure. Hybrid role based in Wokingham or Warwick with strong benefits.

WRITER seeks a Security Engineer in London to build AI-specific threat detection and automated response systems. Requires 3-5+ years in SecOps and 3+ years securing AI/ML infrastructure with Python or KQL skills.

Culina seeks a Senior Project Manager to lead complex logistics and warehouse projects in Warrington. Requires WMS/TMS expertise, strong stakeholder management, and full project lifecycle delivery. Includes bonus and private medical cover.

Join NEC Software Solutions as a Networks Cyber Security Engineer in Hemel Hempstead (hybrid). Work with Cisco ASA/Firepower and Palo Alto, manage vulnerabilities, and respond to incidents. SC/NPPV clearance required.

Harvey seeks a GTM Systems Administrator in London to own Salesforce, Zendesk, and Clay workflows across lead routing, enrichment, and support automation. Requires 4-8+ years in RevOps or GTM Systems with strong AI fluency.

Join Clay as an IT Support Engineer in London, owning helpdesk operations, onboarding/offboarding, and SaaS administration across Google Workspace, Slack, and Okta. 3-5 years IT support experience required.