7 of 7 Senior Systems Administrator Jobs in the UK

an organisation with a long-established reputation for providing the highest standards of products and service provision to a worldwide client base. The role - Senior IT Systems Administrator You will have a varied and challenging role supporting all stakeholder groups within a busy manufacturing environment and will be responsible for ensuring robust, secure, and … efficient IT systems are effectively maintained across manufacturing, warehousing and office functions. Your broad range of duties and responsibilities will include; Ensuring all IT systems and infrastructure are effectively developed and maintained to meet all organisational and operational requirements Manage and maintain all IT infrastructure across companywide manufacturing sites, including servers, industrial PCs and networked production equipment Support … ERP integrations Ensure high availability of systems supporting production lines, including real-time monitoring and rapid incident response Implement and manage highly effective cybersecurity measures across all IT and associated equipment infrastructure Lead system upgrades and patching with minimal disruption to production schedules Collaborate with engineering and operations teams to align IT systems with lean manufacturing goals Maintain More ❯

A well-established organisation with multiple UK sites is seeking a Senior IT Systems Administrator to take ownership of its IT infrastructure across a growing network of offices. This is a hands-on role ideal for someone who enjoys solving complex technical challenges and is looking for a genuinely supportive, value-driven culture. You … ll be responsible for maintaining servers, networks, and systems, supporting users, and driving improvements in performance, security, and efficiency. ?? Key Responsibilities: Manage and resolve support tickets across teams Administer Windows/Linux servers, virtual environments, and network components Maintain Active Directory, SQL Servers, and telephony systems Implement cybersecurity best practices and disaster recovery plans Collaborate with internal developers More ❯

A well-established organisation with multiple UK sites is seeking a Senior IT Systems Administrator to take ownership of its IT infrastructure across a growing network of offices. This is a hands-on role ideal for someone who enjoys solving complex technical challenges and is looking for a genuinely supportive, value-driven culture. You … ll be responsible for maintaining servers, networks, and systems, supporting users, and driving improvements in performance, security, and efficiency. Key Responsibilities: Manage and resolve support tickets across teams Administer Windows/Linux servers, virtual environments, and network components Maintain Active Directory, SQL Servers, and telephony systems Implement cybersecurity best practices and disaster recovery plans Collaborate with internal developers More ❯

This is an excellent opportunity forSenior Linux HPC Systems Administrator/Engineerprofessionals to be part of leading-edge technology projects. Cognizants Cloud, Infrastructure & Security Services Practice provides end-to-end solutions covering architecture, design, implementation, management, and on-going support across the entire enterprise technology infrastructure. Our services include a spectrum of management, consulting, and systems … understanding the impact of GPUs, networking, and other hardware components. Handle vendor relationships effectively, coordinating with external partners to resolve issues and optimize service delivery. Maintain familiarity with MacOS systems to provide assistance when necessary. Required Skills Good enterprise IT experience with extensive hands-on expertise in RedHat Enterprise Linux (RHEL), specifically RHEL 8 & 9. Proven experience with high More ❯

About the company: There are a select few Consulting firms strategically placed to advise and deliver on the largest, most complex EPM transformation projects in the country. This Practice takes full advantage of the infrastructure and brand name of a More ❯

of the electronic rostering and job planning systems. The postholder will provide an efficient and effective high quality data administration service supporting the use and maintenance of the electronic systems throughout the trust including integration with the temporary staffing system. This role is a specialised, confidential and sometimes challenging role. The postholder will need good all round administration skills … all levels, and deal appropriately with sometimes sensitive and confidential situations. Key to this role is the ability to support the development, implementation and maintenance of effective and robust systems and process. Main duties of the job The post holder will support the day-to-day operational requirements of the e-Rostering and e-Job Planning systems as … ESR (Electronic Staff Records) and MAPS Healthroster databases are synchronised using the ESR Gateway tool in MAPS Healthroster in conjunction with ESR. Be an expert user of the Workforce systems, ensuring a good level of understanding and accuracy to actively promote E-Job Planning and E-Rostering throughout the Trust. Maintain accurate records of staff training. Respond to user More ❯

Empower transformation. Elevate your career. Be part of the best. Step into a Senior Expert role in SAP SuccessFactors where you’ll design next-generation HR solutions, drive large-scale business transformation, and help shape the future of an award-winning global practice. As the top global SuccessFactors partner, you’ll have the opportunity to deliver high … and a collaborative culture that values creativity, initiative, and ambition. ** Candidates must be able to work in the UK without restrictions ** The Role at a Glance: SAP SuccessFactors Senior Expert – Talent Management Home Working/Occasional Visits to Office and Client Sites as Required Up to £105,000 per annum Plus Benefits Permanent - Full Time Product/… to-Day Responsibilities will include: • Own end-to-end delivery of complex, multi-stream SuccessFactors programmes, ensuring flawless execution, strategic alignment, and exceptional client outcomes. • Act as the senior SuccessFactors SME, steering engagements from discovery and design through to deployment, adoption, and post-go-live excellence. • Deliver strategic advisory and roadmap leadership, driving best practices, solution optimisation More ❯