About the role We’re on the hunt for a tech-savvy, proactive problem-solver with a passion for IT infrastructure, systems management and cybersecurity to join our dynamic team. You’ll have hands-on experience with Microsoft environments, including managing Active Directory, Exchange Server (on-premises and cloud), and Office 365. Your skills in PowerShell scripting, troubleshooting and … securing enterprise systems will make you an invaluable member of our IT team. We’re particularly keen on candidates with experience in Azure AD, Office 365 and hybrid setups. A strong understanding of cybersecurity tools and practices, Windows domain environments, networking concepts and experience in help desk ticketing and troubleshooting will help you thrive in this role. While not … grow with us as we migrate to Office 365 and strengthen our security posture. Reports to: IT Manager Key duties and responsibilities As a Senior IT Systems and Security Administrator , you’ll be at the heart of maintaining and improving our IT infrastructure, ensuring seamless operations across the organisation. From managing day-to-day More ❯
Burton Upon Trent, England, United Kingdom Hybrid / WFH Options
PHD Communications
Job Role Working within a small systems team supporting the business across 2 sites supporting all departments and users, you will report to the head of department and provide support for systems and infrastructure. You will be responsible for effective provisioning, installation/configuration, operation, and maintenance of systems hardware and software and related infrastructure. This role … requires the individual to participate in technical research and development to enable continuing innovation within the infrastructure. This individual ensures that system hardware, operating systems, software systems, and related procedures are in line with the organisations requirements and strategic direction. The scope of the role includes responsibility for internal infrastructure hardware and software as well as operational infrastructure … including online systems, extending to cloud-based services where appropriate. Where required there will need to be involvement in new project work, where a hardware or software solution is needed to deliver the project, this may include suggestions for solution delivery both in terms of hardware/software and appropriate proof of concept work and testing. The role requires More ❯
NEW FTC ROLE – SENIOR IT SYSTEMSADMINISTRATOR (WINDOWS) Southeast England | Hybrid (40% on-site) 6 month FTC | Salary TBC Full-Time | Interviews via Teams/On-site A leading institution in the Southeast is seeking a Senior IT SystemsAdministrator to join its dynamic and collaborative IT infrastructure … For: Strong experience administering Microsoft 365 , Exchange/Exchange Online , and Windows Server Solid understanding of Active Directory and Azure AD Proven ability to manage backup and disaster recovery systems Hands-on knowledge of patching processes and systems Familiarity with the ITIL framework and service desk environments Experience in the public sector or higher education is desirable, but More ❯
London, England, United Kingdom Hybrid / WFH Options
Idox plc
Hosting Service - SeniorSystemAdministrator Hosting Service - SeniorSystemAdministrator 1 week ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Idox plc Home based with occasional travel to Idox offices. About the role We … are seeking a skilled SeniorSystemAdministrator to support and enhance our hosted solutions across both private and public cloud environments. This role is essential in ensuring the availability, security, performance and compliance of hosted services against our published service levels and descriptions. The ideal candidate will bring deep expertise in managing complex IT environments … Industries IT Services and IT Consulting, Software Development, and IT System Data Services Referrals increase your chances of interviewing at Idox plc by 2x Get notified about new SystemAdministrator jobs in England, United Kingdom . Oxford, England, United Kingdom 1 day ago Abingdon-On-Thames, England, United Kingdom 6 hours ago London, England, United Kingdom 2 weeks More ❯
Burton upon Trent, Staffordshire, United Kingdom Hybrid / WFH Options
PHD Mail Limited
SeniorSystemsAdministrator Prerequisites IT Systems and Infrastructure experience & knowledge (4-5+ years) A self-motivated individual with excellent problem-solving skills A trustworthy team player with good communication skills Working within a small systems team supporting the business across 2 sites supporting all departments and users, you will report to … the head of department and provide support for systems and infrastructure. You will be responsible for effective provisioning, installation/configuration, operation, and maintenance of systems hardware and software and related infrastructure. This role requires the individual to participate in technical research and development to enable continuing innovation within the infrastructure. This individual ensures that system hardware, operating … systems, software systems, and related procedures are in line with the organisations requirements and strategic direction. The scope of the role includes responsibility for internal infrastructure hardware and software as well as operational infrastructure including online systems, extending to cloud-based services where appropriate. Where required there will need to be involvement in new project work, where More ❯
London, England, United Kingdom Hybrid / WFH Options
PHD Mail Limited
SeniorSystemsAdministrator Prerequisites IT Systems and Infrastructure experience & knowledge (4-5+ years) A self-motivated individual with excellent problem-solving skills A trustworthy team player with good communication skills Working within a small systems team supporting the business across 2 sites supporting all departments and users, you will report to … the head of department and provide support for systems and infrastructure. You will be responsible for effective provisioning, installation/configuration, operation, and maintenance of systems hardware and software and related infrastructure. This role requires the individual to participate in technical research and development to enable continuing innovation within the infrastructure. This individual ensures that system hardware, operating … systems, software systems, and related procedures are in line with the organisations requirements and strategic direction. The scope of the role includes responsibility for internal infrastructure hardware and software as well as operational infrastructure including online systems, extending to cloud-based services where appropriate. Where required there will need to be involvement in new project work, where More ❯
Burton-on-Trent, England, United Kingdom Hybrid / WFH Options
PHD Communications
Working within a small systems team supporting the business across 2 sites supporting all departments and users, you will report to the head of department and provide support for systems and infrastructure. You will be responsible for effective provisioning, installation/configuration, operation, and maintenance of systems hardware and software and related infrastructure. This role requires the … individual to participate in technical research and development to enable continuing innovation within the infrastructure. This individual ensures that system hardware, operating systems, software systems, and related procedures are in line with the organisations requirements and strategic direction. The scope of the role includes responsibility for internal infrastructure hardware and software as well as operational infrastructure including online … systems, extending to cloud-based services where appropriate. Where required there will need to be involvement in new project work, where a hardware or software solution is needed to deliver the project, this may include suggestions for solution delivery both in terms of hardware/software and appropriate proof of concept work and testing. The role requires the creation More ❯
London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Hosting Service - SeniorSystemAdministrator, england col-narrow-left Client: Idox plc Location: england, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 10.06.2025 Expiry Date: 25.07.2025 col-wide Job Description: Hosting SeniorSystemAdministrator Public Sector Hosting Home based with occasional travel to Idox offices. About the role We are seeking a skilled SeniorSystemAdministrator to support and enhance our hosted solutions across both private and public cloud environments. This role is essential in ensuring the availability, security, performance and compliance of hosted services against our … hosted services in order to meet SLAs. Implement redundancy, disaster recovery, and failover mechanisms to minimize downtime. Deploy and maintain monitoring solutions for both private and public cloud-hosted systems to identify and resolve issues proactively. Analyse performance metrics and implement optimizations to ensure alignment with SLA requirements. Manage and maintain Citrix NetScaler for load balancing, secure access, and More ❯
Hosting SeniorSystemAdministrator Public Sector Hosting Home based with occasional travel to Idox offices. About the role We are seeking a skilled SeniorSystemAdministrator to support and enhance our hosted solutions across both private and public cloud environments. This role is essential in ensuring the availability, security, performance … hosted services in order to meet SLAs. Implement redundancy, disaster recovery, and failover mechanisms to minimize downtime. Deploy and maintain monitoring solutions for both private and public cloud-hosted systems to identify and resolve issues proactively. Analyse performance metrics and implement optimizations to ensure alignment with SLA requirements. Presentation Tier Administration: Manage and maintain Citrix NetScaler for load balancing … Virtual Apps, Remote Desktop Services and Azure Virtual Desktop to deliver hosted applications and ensure a seamless end-user experience. Windows Server Administration: Deploy, configure, and manage Windows Server systems in private and public cloud-hosted setups. Configure and troubleshoot Group Policy Objects (GPOs) to enforce security and operational policies. Perform advanced troubleshooting to quickly resolve issues affecting hosted More ❯
Senior IT SystemsAdministrator Location: Near Bolton, Greater Manchester (On-site, Full-time with Flexitime) Salary: Negotiable depending on experience. Help Shape the Future of a Growing IT Function Are you a skilled infrastructure professional looking for a role where your ideas are valued and your technical input genuinely shapes the future of IT … operations? We’re working with a progressive organisation based near Bolton, Greater Manchester, to recruit a Senior IT SystemsAdministrator who will take a hands-on role in supporting, enhancing, and developing their IT infrastructure. You’ll be joining a close-knit, collaborative team that’s passionate about doing things properly balancing operational reliability … Creating technical documentation and playbooks What Success Looks Like - Timely delivery of infrastructure and project work - Reduction in repeat incidents through proactive solutions - Clearly visible performance improvements - Smart monitoring systems and forward-thinking change implementation The Technology You’ll Work With - Windows Server - VMware (vSphere/ESXi) - Microsoft 365 & Intune - Firewalls (e.g. Sophos, Fortinet, Cisco) - VoIP systems - Linux More ❯
the backbone of innovative IT solutions and a trusted partner in technical leadership? Our client is seeking a SystemAdministrator III who thrives on designing cutting-edge systems, solving complex challenges, and mentoring future IT leaders. If you're passionate about aligning technology with business goals and making a tangible impact, this is your opportunity! Benefits & Extras More ❯
We’re Hiring: SeniorSystemsAdministrator | London Permanent | Full-Time | Immediate Start Available A small, high-performing team of researchers and developers working at the forefront of financial and market analysis is looking for a SeniorSystemsAdministrator to help manage and scale their technology infrastructure. This is … tech stack, contribute directly to the operational success of a dynamic environment, and be part of a tight-knit, collaborative team. About the Role As SeniorSystemsAdministrator, you'll play a critical role in maintaining and improving infrastructure that supports 24/7 operations. You'll be responsible for systems administration, monitoring … of on-site and off-site servers Monitoring internal applications and system performance Managing Microsoft Windows environments, including Active Directory and Group Policy Overseeing NAS, iSCSI, and other storage systems Supporting and improving network infrastructure Writing and maintaining scripts for automation and system optimisation Supporting virtualisation platforms (Hyper-V) Collaborating closely with developers and operational teams What You Bring More ❯
We’re Hiring: SeniorSystemsAdministrator | London Permanent | Full-Time | Immediate Start Available A small, high-performing team of researchers and developers working at the forefront of financial and market analysis is looking for a SeniorSystemsAdministrator to help manage and scale their technology infrastructure. This is … tech stack, contribute directly to the operational success of a dynamic environment, and be part of a tight-knit, collaborative team. About the Role As SeniorSystemsAdministrator, you'll play a critical role in maintaining and improving infrastructure that supports 24/7 operations. You'll be responsible for systems administration, monitoring … of on-site and off-site servers Monitoring internal applications and system performance Managing Microsoft Windows environments, including Active Directory and Group Policy Overseeing NAS, iSCSI, and other storage systems Supporting and improving network infrastructure Writing and maintaining scripts for automation and system optimisation Supporting virtualisation platforms (Hyper-V) Collaborating closely with developers and operational teams What You Bring More ❯
Exchange (EXPN), we employ 22,500 people across 32 countries, with our headquarters in Dublin, Ireland. Learn more at Job Description We are seeking a SeniorSystemsAdministrator to support and diagnose incidents within the Colleague Technology Support group, adhering to established service levels. The role covers server, desktop, laptop, mobile device support, domain More ❯
Join to apply for the Senior Cloud SystemsAdministrator role at DXC Technology 4 days ago Be among the first 25 applicants Join to apply for the Senior Cloud SystemsAdministrator role at DXC Technology Job Description At DXC Technology, delivering excellence for our customers and colleagues is … function Information Technology Industries IT Services and IT Consulting Referrals increase your chances of interviewing at DXC Technology by 2x Get notified about new SeniorSystemAdministrator jobs in Gloucester, England, United Kingdom . Gloucestershire, England, United Kingdom 2 weeks ago Gloucester, England, United Kingdom 5 days ago Gloucestershire, England, United Kingdom 6 days ago … SystemsAdministrator - Revenues, BRIDGEND COUNTY BOROUGH COUNCIL Stonehouse, England, United Kingdom 2 weeks ago Gloucester, England, United Kingdom 1 month ago Gloucester, England, United Kingdom 4 days ago Tewkesbury, England, United Kingdom 1 year ago Gloucester, England, United Kingdom 2 weeks ago Hereford, England, United Kingdom 8 hours ago Cambridge, England, United Kingdom 3 weeks ago Gloucester More ❯
collaborative environment that inspires the cross-fertilization of ideas necessary for true innovation. For more information about Draper, visit www.draper.com. Job Description Summary: The Senior Classified SystemsAdministrator supports the day-to-day activities of users, perform system maintenance, and upkeep of Information Technology and the design, development, documentation and deployment of IT solutions. … Duties include data administration, knowledge management, customer service, technical support, network services, system administration and systems security analysis. Installs, configures, troubleshoots, and maintains server configurations (hardware and software) to ensure their confidentiality, integrity, and availability. Also manages accounts, firewalls, and patches. Responsible for implementing access control, resetting passwords, account creation, and general administration. Job Description: Duties/Responsibilities * Install … test plans, change requests, and communication to users. * Conduct reviews and technical inspections to identify and mitigate potential security weaknesses, and ensure security compliance is implemented and all necessary systems are functional. * Provide resolutions to an assortment of customer defined problems of moderately complex scope. using knowledge and resources to diagnose and resolve basic technical issues. * Escalate issues that More ❯
includes furthering the skills of our colleagues. At DXC, building a better you, builds a better us. At DXC, one of our platinum accounts has opening for a Senior Cloud System Admin at a high skill level. The successful candidate will work within multiple teams and will be innovative and analytical with a good eye for detail. More ❯
includes furthering the skills of our colleagues. At DXC, building a better you, builds a better us. At DXC, one of our platinum accounts has opening for a Senior Cloud System Admin at a high skill level. The successful candidate will work within multiple teams and will be innovative and analytical with a good eye for detail. More ❯
Job Description Job Title: Senior Cloud SystemsAdministrator Job Description Job Title: Senior Cloud SystemsAdministrator Location: Gloucestershire Employment Type: Permanent Salary: Competitive About DXC Technology DXC Technology is a global leader in IT services, helping organizations modernize their IT infrastructure, optimize business operations, and drive digital transformation. … We work closely with our clients to maximize efficiency, improve security, and accelerate innovation through cutting-edge technology solutions. We are currently seeking a Senior Cloud SystemsAdministrator to join our team and play a key role in designing, managing, and maintaining enterprise cloud environments. Role Overview As a Senior Cloud … Industries IT Services and IT Consulting Referrals increase your chances of interviewing at DXC Technology by 2x Sign in to set job alerts for “SeniorSystemAdministrator” roles. Associate Manager Virtualisation Engineer London, England, United Kingdom 1 day ago Walton-On-Thames, England, United Kingdom 2 weeks ago Heanor, England, United Kingdom 1 week ago More ❯
Job Description: Job Title: Senior Cloud SystemsAdministrator Location: Gloucestershire Employment Type: Permanent Salary: Competitive About DXC Technology DXC Technology is a global leader in IT services, helping organizations modernize their IT infrastructure, optimize business operations, and drive digital transformation. With a presence in over 70 countries, DXC delivers mission-critical IT services across … We work closely with our clients to maximize efficiency, improve security, and accelerate innovation through cutting-edge technology solutions. We are currently seeking a Senior Cloud SystemsAdministrator to join our team and play a key role in designing, managing, and maintaining enterprise cloud environments. Role Overview As a Senior Cloud … SystemsAdministrator, you will be responsible for the design, deployment, migration, management, and continuous improvement of cloud-based and on-premises infrastructure services. You will work with a variety of technologies, including public and private clouds, virtualization platforms, storage, networks, and security solutions. This role will require strong technical expertise, problem-solving skills, and the ability to More ❯
Cambridge, England, United Kingdom Hybrid / WFH Options
SoCode Recruitment
provided by SoCode Recruitment. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range SeniorSystemsAdministrator | £55,000 to £65,000 | Cambridge, Hybrid Working We’re hiring on behalf of a tech-driven client based in Cambridge, who is seeking a seasoned … Linux and Windows expert. If you're passionate about Systems Administration, thrive in high-performance environments, and want to work with a company that truly values technical excellence, this is the opportunity for you. As a SeniorSystemsAdministrator, you will be a key player in managing and optimising Linux and Windows operating … systems. You'll be responsible for ensuring system reliability, performance, and security across a wide array of critical services. Key Skills: Strong knowledge of Windows Server systems administration Strong knowledge of Linux systems administration (Ubuntu, Exim, DoveCot, Samba, Apache2, OpenSSL, PAM, SELinux) Strong networking skills (e.g. TCP/IP, DNS, ports and protocols, routers, bridges, latency, packet loss More ❯
Oxford, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: SeniorSystemAdministrator, oxford district col-narrow-left Client: Burman Recruitment Location: oxford district, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 27.06.2025 Expiry Date: 11.08.2025 col-wide Job Description: Overview We are seeking an experienced and … technically skilled SystemsAdministrator and IT Support Specialist to join a highly collaborative digital learning and support team based in Oxford. This is a key role responsible for maintaining a robust and secure infrastructure that supports large-scale online course delivery, including the administration of a Moodle Virtual Learning Environment (VLE) and related systems. You will lead … on the technical administration of Linux-based systems and be the senior technical contact for IT support queries, including tier 3 support for staff and students. In addition to infrastructure responsibilities, you’ll supervise a small IT helpdesk team and play a strategic role in enhancing support operations and researching emerging tools and technologies to drive More ❯
Banbury, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: We are seeking an experienced and technically skilled SystemsAdministrator and IT Support Specialist to join a highly collaborative digital learning and support team based in Oxford. This is a key role responsible for maintaining a robust and secure infrastructure that supports large-scale online course delivery, including … the administration of a Moodle Virtual Learning Environment (VLE) and related systems. You will lead on the technical administration of Linux-based systems and be the senior technical contact for IT support queries, including tier 3 support for staff and students. In addition to infrastructure responsibilities, you’ll supervise a small IT helpdesk team and play … and researching emerging tools and technologies to drive innovation in online learning delivery. Some remote working is possible, but regular on-site work in Oxford is essential. Key Responsibilities Systems Administration Manage and maintain Linux (Debian) servers in a virtualised environment, supporting applications such as Moodle, WordPress, and Puppet Oversee the administration of a Moodle VLE including user account More ❯
Social network you want to login/join with: Senior Linux System Engineer/Administrator - Trading, London Client: East End Resources Location: London, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 3 Posted: 08.05.2025 Expiry Date: 22.06.2025 Job Description: Our client is a mid-size financial services firm which is a … strictly necessary. We interact directly with users and communicate frequently, so good communication skills are important. About the Role We are seeking a hands-on professional for our growing systems administration team. Systems Administrators are responsible for workstations and servers in our expanding trading operations. This role involves working on desktops and data centers, with frequent interaction across More ❯
Linux SystemAdministrator Our client is a mid-size financial services firm which is a L inux shop both on the server side and the trader desktops. Multiple locations - the London office is small and you will be the single Linux administrator. Some Windows administration skills are a plus but not strictly … necessary. We face our users directly and interact with them frequently. Good communication skills are important. About the Role We are seeking a hands-on professional for our growing systems administration team. Systems Administrators are responsible for the workstations and servers of our rapidly expanding trading operations. In addition to all systems work both on the desktops … and in the datacenters, Systems Administrators frequently interact with users at various levels all across our organization. Skills & Attributes: Fluency in Linux administration is a must Experience in Debian/Ubuntu preferred Strong communication skills A demonstrated ability to work tasks to completion and tolerate frequent context switches Experience scripting in bash and python is preferred, SQL and Perl More ❯