1 to 25 of 167 Systems Administrator Jobs in London

Linux Systems Administrator – Hybrid working (2 days in office/3 days from home) Paying an attractive salary + fantastic benefits including bonus (averagely 20%), BUPA health insurance, 4 x salary life assurance, season ticket loan, excellent pension scheme, sponsorship for relevant qualifications, 25 days holiday plus ability to buy & sell, plus more This is an opportunity … on-year growth, is a genuine market leader in the financial services software industry and one who cares about the development of its staff. In this role of Linux Systems Administrator, you will have the chance to work with varied technology in a pro opensource organisation during a period of IT transformation. They are looking for an … experienced Systems Administrator with a strong Linux skill set to join an innovative and growing team, who also have a number of exciting projects upcoming as part of a wider business change programme. Main responsibilities: Helping the IT Operations Manager to maintain the operations of the company server systems, networking infrastructure and communications. Design, installation, upgrading More ❯

On: ️ Managing and maintaining servers, networks, and cloud infrastructure to ensure maximum uptime ️ Monitoring system performance, performing regular backups, and ensuring disaster recovery readiness ️ Installing, configuring, and troubleshooting operating systems (Linux, Windows, etc.) and hardware ️ Managing system security, applying patches, and handling firewalls and antivirus solutions ️ Supporting users with IT issues, system access, and other related technical problems ️ Automating … IT team to improve processes and implement system upgrades ️ Ensuring compliance with IT policies, security standards, and industry regulations What We’re Looking For: ️ Proven experience as a System Administrator or in a similar IT infrastructure role ️ Strong knowledge of server and network management (Windows, Linux, macOS) ️ Experience with cloud platforms (e.g., AWS, Azure, Google Cloud) and virtualization … Solid understanding of system security, backup solutions, and disaster recovery ️ Excellent problem-solving skills and the ability to work under pressure ️ Relevant certifications (e.g., CompTIA, Microsoft Certified: Azure Administrator, AWS Certified SysOps Administrator) are a plus ️ A degree in IT, Computer Science, or a related field is preferred #J-18808-Ljbffr More ❯

Hosting Service - Senior System Administrator Hosting Service - Senior System Administrator 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 Senior System … 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 System Administrator 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 … month ago Sale, England, United Kingdom 3 weeks ago Windows Systems Administrator - Night Shift Sheffield, England, United Kingdom 3 weeks ago Junior Technical Advisor | Junior System Administrator Greater London, England, United Kingdom 2 weeks ago Gloucestershire, England, United Kingdom 3 weeks ago Abingdon-On-Thames, England, United Kingdom 1 week ago Associate Administrator More ❯

Senior Systems Administrator 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 a hardware or More ❯

Social network you want to login/join with: Hosting Service - Senior System Administrator, 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 Senior System Administrator Public Sector Hosting Home … based with occasional travel to Idox offices. About the role We are seeking a skilled Senior System Administrator 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 … 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 ❯

Social network you want to login/join with: DevOps - System Administrator, County Antrim Client: Anson McCade Location: County Antrim, United Kingdom Job Category: Other - EU work permit required: Yes Job Reference: b70ae3eef948 Job Views: 5 Posted: 02.06.2025 Expiry Date: 17.07.2025 Job Description: We are seeking a DevOps Engineer to join our dynamic team and craft captivating, interactive … involving both development and IT teams. Lead new cloud projects to completion with the development and quality teams, ensuring system security, stability, scalability, measurability, and flexibility. Manage in-house systems to enhance productivity for development and quality teams in building, deploying, and testing new code. Manage monitoring and alerting infrastructure to resolve and prevent issues. Define and maintain production … and problem-solving skills. Strong written and verbal communication skills, with a focus on team collaboration. Proficient in scripting and automation using bash, Python, etc. Experience in securing production systems, including implementing access controls, auditing, and ensuring compliance. Proven experience managing large-scale, highly available production environments in a cloud setting. Familiarity with logging, monitoring, and alerting tools such More ❯

off and much more. This is a place that really wants to give back on the effort you put in. Right now, we’re looking to recruit an IT Systems Administrator. The IT Operations Team is responsible for ensuring that our IT infrastructure and business services are secure, fit-for-purpose, operational, reliable, resilient, and cost effective. The IT … fairly You must observe proper standards of market conduct You must act to deliver good outcomes for retail customers About you You’ll have proven experience as a System Administrator, Infrastructure Engineer or equivalent minimum 2nd line level experience in a different role. Your technical skills and analytical ability allow you to provide high level support across multiple … Job function Information Technology Industries Financial Services, Banking, and Insurance Referrals increase your chances of interviewing at London & Country Mortgages by 2x Get notified about new Information Technology System Administrator jobs in United Kingdom . Windows Systems Administrator - Night Shift Theale, England, United Kingdom 4 months ago Edinburgh, Scotland, United Kingdom 1 week ago Mainframe More ❯

Linux Systems Administrator 3 Months Remote Worker Market Rate via Umbrella Main Responsibilities: Co-ownership of the Linux based Production and QA environments including administration, configuration, maintenance and patching of all servers using industry best practices. Timely completion of multiple, concurrent tasks with careful organisation and planning. This includes both scheduled work (releases, service packs) and ad … hoc work (server patching, change requests, priority fixes, etc). Working closely within the Senior Linux Administrator and Software Development team to improve the deployment process, including the automation of software deployment and server build and configuration. Drive and action any external security alerts. Assist identifying and mitigating current security threats to comply with our security standards across … estate. Develop and improve operational practices and procedures. Produce or update detailed documentation where required. Ensure close collaboration with all members of the Software Development Team. Covering the Windows SysAdmin and internal IT support responsibilities during holidays and absences. Helping schedule infrastructure changes, software deployments, patching etc. out of normal business hours. Essential Skills: Proven experience of Linux server administration More ❯

live service, on managed service contracts Highlighting areas of service and technology for improvements Any other reasonable duties as required by the business Skills/Experience: Essential Active directory Systems & Tools: Microsoft Exchange, Windows Server (2019+), SharePoint (On-Premise), SQL Server, Microsoft Certificate Authority & Patch Management tools (e.g. ManageEngine Patch Manager) Infrastructure Management: Ideally VMWare Network & Security: LAN, WAN … ride2work, pension) Subsidised gym membership Employee referral scheme Role will be subject to an employment screening process and will require security clearance. Tagged as: hybrid, microsoft product support, system administrator More ❯

I'm working with a leading University in the South of England who are looking for a Senior IT Systems Administrator (Windows). The role is focused on managing and developing core IT services, with a strong emphasis on Windows Server Environments, Active Directory, Office 365, and backup/disaster recovery solutions. The position also plays a …/Exchange Online –must have proven experience of migrating Exchange on–premise to Exchange online Windows Server – strong hands–on experience Active Directory/Azure AD – configuration, support Backup systems and disaster recovery processes Experience working in or with the higher education sector ESSENTIALS: Strong communication & problem–solving skills Ability to explain technical concepts to non–technical users Collaborative … team player with a customer–focused mindset Experience documenting IT systems & procedures Degree in IT (or equivalent experience) or MCSE certification Hands–on with at least 3: Exchange, ADFS, Azure AD, Citrix, Office 365, patching, email security Familiarity with ITIL or structured service environments PLEASE DO NOT APPLY IF YOU DO NOT HAVE EXPERIENCE WORKING WITHIN HIGHER EDUCATION OR More ❯

Job Title: IT Administrator Location: Berkshire, United Kingdom Type: Permanent We are actively seeking an IT Administrator for the UK to cover our Reading/Northampton/Scotland offices. Responsibilities Responsible for maintaining the IT network, servers, and security systems. Management of active and passive network devices (protocol TCP/IP v4 or v6). Responsible More ❯

VE3 City Of London, England, United Kingdom Join or sign in to find your next job Join to apply for the AWS DevOps & System Administrator role at VE3 VE3 City Of London, England, United Kingdom 1 week ago Be among the first 25 applicants Join to apply for the AWS DevOps & System Administrator role at VE3 … Job Title: AWS DevOps & System Administrator Location : United Kingdom (Hybrid/Remote/In-Office) Experience : 5+ Years Employment Type : Full-Time Job Summary We are seeking an experienced Job Title: AWS DevOps & System Administrator Location : United Kingdom (Hybrid/Remote/In-Office) Experience : 5+ Years Employment Type : Full-Time Job Summary We are seeking … an experienced AWS DevOps & System Administrator to manage our cloud infrastructure, deployment pipelines, and system administration tasks. You will be responsible for maintaining high availability, scalability, and security of our systems hosted on AWS while streamlining DevOps practices across our teams. Requirements Key Responsibilities Design, implement, and manage AWS cloud infrastructure (EC2, VPC, IAM, RDS, S3, CloudWatch More ❯

Systems Administrator – Linux An established UK-based organisation is seeking a Mid-Range Systems Administrator to join their Technical Operations team. This is a fantastic opportunity to work within a dynamic infrastructure environment, supporting business-critical Linux platforms and contributing to major enterprise IT projects. Key Responsibilities Install, configure, and maintain Linux systems … or Prince2 methodologies. Experience supporting SAP HANA or similar enterprise workloads. Details £60,000 + 15% bonus Northampton (4 days a week) Excellent opportunity to work on high-impact systems and projects with a forward-thinking infrastructure team. If this sounds like yourself or someone you may know then please do get in touch by applying below or sending More ❯

Social network you want to login/join with: AWS DevOps & System Administrator, London col-narrow-left Client: VE3 Location: London, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: bb464544d87a Job Views: 8 Posted: 17.06.2025 Expiry Date: 01.08.2025 col-wide Job Description: Job Description Job Title: AWS DevOps & System Administrator Location : United Kingdom (Hybrid/Remote/In-Office) Experience : 5+ Years Employment Type : Full-Time Job Summary We are seeking an experienced AWS DevOps & System Administrator to manage our cloud infrastructure, deployment pipelines, and system administration tasks. You will be responsible for maintaining high availability, scalability, and security of our systems hosted on AWS … on cutting-edge technologies and impactful projects. Opportunities for career growth and development. Collaborative and inclusive work environment. Competitive salary and benefits package. Requirements Job Title: AWS DevOps & System Administrator Location: United Kingdom (Hybrid/Remote/In-Office) Experience: 5+ Years Employment Type: Full-Time Job Summary We are seeking an experienced AWS DevOps & System Administrator More ❯

IT Support & Systems Administrator Job Market - IT/Insurance IT Support & Systems Administrator - About the role We are a growing MGA operating within the London Market and seeking a hands-on, solutions-focused IT professional to support and enhance our internal technology landscape. This is a broad role suited to someone who enjoys variety … from day-to-day desktop support and systems admin to contributing to technology-driven business change. IT Support & Systems Administrator - Key duties (non-exhaustive) Set up and configure new user accounts, laptops, and associated hardware/software. Provide desktop and application support across the business. Maintain and support server infrastructure (on-premises and cloud-based). … onboarding and offboarding process from a tech perspective. Proactively troubleshoot and resolve IT-related issues as they arise. Participate in ongoing tech improvement projects and automation initiatives. IT Support & Systems Administrator - Key requirements Prior experience in an IT support or infrastructure role. Strong knowledge of Windows environments, Office 365, and networking fundamentals. Comfortable supporting a small-to More ❯

Base pay range Direct message the job poster from Premier Group I am currently working with an brilliant organisation based near Teddington who are looking for an experienced ' IT Systems Administrator ' to join them on a permanent basis. You'll be accountable for the daily operation, security, and reliability of the Trust's IT systems , ensuring … type Full-time Job function Job function Information Technology Industries Staffing and Recruiting Referrals increase your chances of interviewing at Premier Group by 2x Get notified about new System Administrator jobs in Teddington, England, United Kingdom . London, England, United Kingdom 5 months ago London, England, United Kingdom 3 days ago London, England, United Kingdom 1 month ago … London, England, United Kingdom 5 months ago London, England, United Kingdom 2 weeks ago Greater London, England, United Kingdom 1 week ago Junior Technical Advisor | Junior System Administrator Greater London, England, United Kingdom 2 weeks ago London, England, United Kingdom 1 month ago London, England, United Kingdom 3 days ago Army - Finance and Systems Administrator More ❯

Social network you want to login/join with: An opportunity for an experienced Linux System Administrator to join euNetworks' skilled IT team in Germany. In this role, you will support the IT team by administering Linux-based servers, firewalls, and switches. The position offers the chance to be part of an international, cross-functional team that ensures … effective network security, implementation, and optimization. What will you be doing? System administration of virtualized Linux servers: Operating Systems: Oracle Linux, CentOS, Red Hat, Ubuntu, Debian Server setup, system upgrades/patching, and customer support Application support: Nagios, Syslog, Network management systems, AAA protocols, VMWare vSphere Developing concepts and solutions based on internal customer requirements Capacity planning Testing … structure: You will provide guidance and support to colleagues You will receive guidance and support from senior team members What do we want from you? Relevant experience in IT systems administration Diploma or Master’s degree in Computer Science or proven years of experience in this field Good communication skills and customer service orientation Analytical and creative thinking skills More ❯

We are looking for a skilled Lead System Administrator to join our team. Responsibilities: Control all infrastructure (cloud, on-prem + ISPs + VPNs). Support all company processes in other departments. Support and develop internal company projects. Search for and solve problems in any locations of employees and offices. Collaborate with project managers on client projects, consulting More ❯

NEW FTC ROLE – SENIOR IT SYSTEMS ADMINISTRATOR (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 Systems Administrator to join its dynamic and collaborative IT infrastructure team. Key Essentials – Must-Haves Deep … 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 ❯

Linux Systems Administrator Technical Manager/Team Lead Candidates will come from a highly Technical Linux Systems Administrators Background and still be Hands On with at minimum of 3 years' experience as a Team Leader/Manager. You will be leading and managing the day-to-day operations of a mission-critical Linux infrastructure team, including …/Banking experience would be highly beneficial but not essential. Responsibilities and Duties The successful candidate will manage both the Linux internal support team as well as a senior sysadmin team of experienced professionals. These teams oversee the entire company's Linux estate including development, QA and multiple production trading systems including some belonging to third party clients. Collaborate … both teams. Required Skills/Experience 7+ years Linux system administration experience with at least 3 years in a managerial or team lead role. Strong expertise with RHEL-based systems, including installation, ongoing management, monitoring, performance tuning, system security hardening, etc. Proven track record of managing geographically distributed teams, including senior engineers and tier-1/2 support staff More ❯

IT Systems Administrator - Shipping Industry - City of London/Hybrid - up to £50k We’re on the hunt for a critical thinking and proactive problem-solving IT Systems Administrator to join a fabulous organisation based in the City of London on a full time, permanent basis. This is a great opportunity for an IT … Systems Administrator with c3+ years experience in system administration (or similar) and demonstrable experience in Microsoft Azure, networking technologies, Cloud Shell and Infrastructure as Code. The IT Systems Administrator will assist colleagues with any issues arising from IT hardware, communications software or computer applications. You will also be responsible for managing and maintaining the … cloud infrastructure on MS Azure. Key responsibilities as the IT Systems Administrator: Configuring and maintaining the cloud infrastructure Ensuring data is stored securely and regularly backed up Diagnosing and resolving hardware, software, networking and systems issues as required Replacing and upgrading defective or outdated components Monitoring system performance, ensuring everything runs smoothly and securely Providing technical More ❯

System Administrator (YSKEC5-2DD861B5) London, England Salary: £60,000 - £85,000 base with strong benefits/package Location: London Working environment: Hybrid - 3/4 days per week in the office Keywords: SaaS, Start-up/Scale-up, System Administration, IT Infrastructure, Network Systems, Cloud Environment, Project Management Minimum Requirements: 5 – 10 years’ experience with recent hands …/Scripting: Workato highly beneficial but Bash, PowerShell, Python, Ansible, Jenkins and Terraform also considered Our client is seeking a dedicated, service-oriented, and experienced Infrastructure Engineer/System Administrator to join their Global IT team. This role offers the opportunity to significantly impact the day-to-day productivity of the business by ensuring the integrity of and … access to vital company resources. The successful candidate will be responsible for managing IT system services and infrastructure, troubleshooting network systems, and overseeing project deployment from start to finish. This is an exciting opportunity to contribute to the formulation and execution of IT strategies aligned with organisational objectives in a challenging tech environment. What you'll do: Manage IT More ❯

Linux System Administrator Our client is a mid-size financial services firm which is a L inux shop both on the server side and the trader desktops. Client has multiple locations - the London office is smail 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 a plus Knowledge of More ❯

I am currently working with an brilliant organisation based near Teddington who are looking for an experienced ' IT Systems Administrator ' to join them on a permanent basis. You'll be accountable for the daily operation, security, and reliability of the Trust's IT systems , ensuring consistent service levels. Candidates should have a minimum of five years … wireless), and Veeam Backup . We're looking for an independent trouble-shooter who can effectively engage with stakeholders, including vendors and management, while also collaborating with the IT Systems Manager and Service Leads. Job Title: IT Systems Administrator Location: Near Teddington (Office Based 5 Days a Week) Salary: £50,000 - £60,000 Start: ASAP Experience … with: IT infrastructure management: Developing, managing, and supporting systems, networks, and infrastructure for a large user base (approx. 2000). Core IT services: Web access, data storage, email (local and cloud), networked printing, backups, and diverse software. Server environments: Virtual platforms (servers, storage, backups), multiple Windows Server versions, and SQL server support. Network & Security: Active Directory (including DHCP, DNS 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 Linux shop both … 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 ❯