8 of 8 Senior Systems Administrator Jobs in the UK excluding London

delighted to be partnering with Beonic, a global SaaS leader transforming how people interact with physical spaces—from airports to stadiums. We are hiring a Senior Systems Administrator to join their team in Belfast. About Beonic Beonic helps marketing, operations, and IT teams measure, predict, and influence customer behaviour across the physical and digital … Beonic IO , brings data together to help venues make smarter, more connected decisions. Learn more at beonic.com The Role We’re looking for an experienced Senior Systems Administrator to join our international team. You’ll manage Linux environments, optimize network infrastructure, and support clients across NORAM, EMEA, and APAC. This role combines technical leadership … secure remote access (SSH, VPNs, firewalls) Implement and improve server monitoring, maintenance, and automation Troubleshoot system and network performance issues Collaborate with DevOps and IT teams to support critical systems Document infrastructure and mentor team members Participate in on-call rotation for system support What You’ll Bring Advanced Linux administration skills Intermediate to advanced network administration experience Strong More ❯

delighted to be partnering with Beonic, a global SaaS leader transforming how people interact with physical spaces—from airports to stadiums. We are hiring a Senior Systems Administrator to join their team in Belfast. About Beonic Beonic helps marketing, operations, and IT teams measure, predict, and influence customer behaviour across the physical and digital … Beonic IO , brings data together to help venues make smarter, more connected decisions. Learn more at beonic.com The Role We’re looking for an experienced Senior Systems Administrator to join our international team. You’ll manage Linux environments, optimize network infrastructure, and support clients across NORAM, EMEA, and APAC. This role combines technical leadership … secure remote access (SSH, VPNs, firewalls) Implement and improve server monitoring, maintenance, and automation Troubleshoot system and network performance issues Collaborate with DevOps and IT teams to support critical systems Document infrastructure and mentor team members Participate in on-call rotation for system support What You’ll Bring Advanced Linux administration skills Intermediate to advanced network administration experience Strong More ❯

delighted to be partnering with Beonic, a global SaaS leader transforming how people interact with physical spaces—from airports to stadiums. We are hiring a Senior Systems Administrator to join their team in Belfast. About Beonic Beonic helps marketing, operations, and IT teams measure, predict, and influence customer behaviour across the physical and digital … Beonic IO , brings data together to help venues make smarter, more connected decisions. Learn more at beonic.com The Role We’re looking for an experienced Senior Systems Administrator to join our international team. You’ll manage Linux environments, optimize network infrastructure, and support clients across NORAM, EMEA, and APAC. This role combines technical leadership … secure remote access (SSH, VPNs, firewalls) Implement and improve server monitoring, maintenance, and automation Troubleshoot system and network performance issues Collaborate with DevOps and IT teams to support critical systems Document infrastructure and mentor team members Participate in on-call rotation for system support What You’ll Bring Advanced Linux administration skills Intermediate to advanced network administration experience Strong 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 for Senior Linux HPC Systems Administrator/Engineer professionals to be part of leading-edge technology projects. Cognizant’s 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 integration services to help our clients maximize value in their infrastructure resources, while optimizing infrastructure performance and cost. Key Responsibilities Administer, configure, and maintain RHEL environments (specifically RHEL 8 & 9) ensuring stability, performance, and security. Provide hands-on support with high-end workstation hardware for scientists, promptly addressing hardware and software issues. Offer technical … 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 ❯

This is an excellent opportunity for Senior Linux HPC Systems Administrator/Engineer professionals to be part of leading-edge technology projects. Cognizant’s 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 integration services to help our clients maximize value in their infrastructure resources, while optimizing infrastructure performance and cost. Key Responsibilities Administer, configure, and maintain RHEL environments (specifically RHEL 8 & 9) ensuring stability, performance, and security. Provide hands-on support with high-end workstation hardware for scientists, promptly addressing hardware and software issues. Offer technical … 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 ❯

This is an excellent opportunity for Senior Linux HPC Systems Administrator/Engineer professionals to be part of leading-edge technology projects. Cognizant’s 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 integration services to help our clients maximize value in their infrastructure resources, while optimizing infrastructure performance and cost. Key Responsibilities Administer, configure, and maintain RHEL environments (specifically RHEL 8 & 9) ensuring stability, performance, and security. Provide hands-on support with high-end workstation hardware for scientists, promptly addressing hardware and software issues. Offer technical … 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 ❯

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 ❯