1 to 25 of 30 Systems Administrator Jobs in the South East

Robert Half Technology with a global leader in the data-centre lifecycle and operations space to recruit a Sage Intacct Systems Administrator on a contract basis. The Sage Intacct Systems Administrator to take ownership of our Sage Intacct environment, ensuring it operates effectively, securely, and in line with the evolving needs of the business. … You'll be responsible for maintaining system integrity, resolving configuration and data issues, improving efficiencies, and driving continuous improvement across our financial systems and processes. Role System Administration: The Sage Intacct Systems Administrator will manage, configure, and maintain Sage Intacct modules and integrations. Troubleshoot system errors, data contamination, and user issues. Maintain data accuracy, consistency, and … implement system enhancements to improve workflows and reporting. Collaborate with Finance, IT, and Operations teams to optimise data flow and system usage. Technical Management: Manage integrations with third-party systems (e.g. Expensify, Salesforce, Bill.com, ADP). Administer user roles, permissions, and access controls. Support API connections, data migrations, and system development projects. Reporting & Analytics: Develop and optimise dashboards, reports More ❯

Systems Administrator (Cloud & Linux) | Oxford-based Medtech | Hybrid SciPro are partnering with a Series C-funded (£14M) Oxford medtech leader specializing in medical imaging AI biomarkers that improve clinical decision-making worldwide. We're seeking a hands-on Systems Administrator to maintain their cloud platform and support mission-critical clinical deployments. What you'll … do: Maintain production systems on AWS (some Windows/Azure) Respond to monitoring alerts and client escalations Support deployments using Docker, Terraform and basic scripting Collaborate with developers on testing and backend improvements Progress from operations to product-focused work within 6 months You have: 2-3 years in systems/support roles AWS experience (EC2, S3, IAM … Linux fundamentals and basic scripting (Bash/Python) Troubleshooting skills for networking and deployments What's in it for you: Clear progression path into senior systems/platform engineering Work that directly impacts patient care in hospitals worldwide Broad tech exposure across cloud, containers and automation Supportive team that values learning and knowledge sharing Hybrid working (3 days office More ❯

Systems Administrator (Cloud & Linux) | Oxford-based Medtech | Hybrid SciPro are partnering with a Series C-funded (£14M) Oxford medtech leader specializing in medical imaging AI biomarkers that improve clinical decision-making worldwide. We're seeking a hands-on Systems Administrator to maintain their cloud platform and support mission-critical clinical deployments. What you'll … do: Maintain production systems on AWS (some Windows/Azure) Respond to monitoring alerts and client escalations Support deployments using Docker, Terraform and basic scripting Collaborate with developers on testing and backend improvements Progress from operations to product-focused work within 6 months You have: 2-3 years in systems/support roles AWS experience (EC2, S3, IAM … Linux fundamentals and basic scripting (Bash/Python) Troubleshooting skills for networking and deployments What's in it for you: Clear progression path into senior systems/platform engineering Work that directly impacts patient care in hospitals worldwide Broad tech exposure across cloud, containers and automation Supportive team that values learning and knowledge sharing Hybrid working (3 days office More ❯

Systems Administrator Location: Maidenhead Hybrid: 3 days in the office We’re looking for an experienced Systems Administrator to join our growing team. In this role, you’ll manage and support both internal and external hosted systems, ensuring high availability, security, and performance across hardware and software infrastructure. You’ll collaborate across technical … . Drive continuous improvement by reviewing and enhancing operations. Stay current with best practices and emerging technologies through training and certifications. Qualifications & Skills 4+ years of experience as a Systems Administrator (or equivalent). Strong background in Windows Server, Active Directory, and SQL troubleshooting. Hands-on experience with Hyper-V virtualisation (including clustering). Knowledge of SAN More ❯

Systems Administrator Location: Maidenhead Hybrid: 3 days in the office We’re looking for an experienced Systems Administrator to join our growing team. In this role, you’ll manage and support both internal and external hosted systems, ensuring high availability, security, and performance across hardware and software infrastructure. You’ll collaborate across technical … . Drive continuous improvement by reviewing and enhancing operations. Stay current with best practices and emerging technologies through training and certifications. Qualifications & Skills 4+ years of experience as a Systems Administrator (or equivalent). Strong background in Windows Server, Active Directory, and SQL troubleshooting. Hands-on experience with Hyper-V virtualisation (including clustering). Knowledge of SAN More ❯

IT Systems Administrator - London City of London | On-site, Monday to Friday Salary: £30,000 – £55,000 (Dependent on experience) Ref: J13007 We’re partnering with a global leader in sports trading , a fast-paced and data-driven organisation, in search of a proactive, hands-on IT Systems Administrator to help support and enhance … their mission-critical infrastructure. This is an exciting opportunity to join a collaborative, IT team , where you’ll play a key role in maintaining, optimising, and scaling the systems that power a technology-led business at the forefront of its industry. Key Responsibilities As an integral member of the IT function, you’ll ensure the stability, security, and performance … will include: Managing and maintaining on-site and off-site servers. Monitoring and supporting in-house software applications. Administering Active Directory and Group Policy . Managing and troubleshooting storage systems (NAS and iSCSI). Providing support across the Microsoft Windows environment. Technical Experience To succeed in this role, you’ll bring strong, hands-on experience in: System administration in More ❯

IT Systems Administrator - London City of London | On-site, Monday to Friday Salary: £30,000 – £55,000 (Dependent on experience) Ref: J13007 We’re partnering with a global leader in sports trading , a fast-paced and data-driven organisation, in search of a proactive, hands-on IT Systems Administrator to help support and enhance … their mission-critical infrastructure. This is an exciting opportunity to join a collaborative, IT team , where you’ll play a key role in maintaining, optimising, and scaling the systems that power a technology-led business at the forefront of its industry. Key Responsibilities As an integral member of the IT function, you’ll ensure the stability, security, and performance … will include: Managing and maintaining on-site and off-site servers. Monitoring and supporting in-house software applications. Administering Active Directory and Group Policy . Managing and troubleshooting storage systems (NAS and iSCSI). Providing support across the Microsoft Windows environment. Technical Experience To succeed in this role, you’ll bring strong, hands-on experience in: System administration in More ❯

IT Systems Administrator - London City of London | On-site, Monday to Friday Salary: £30,000 – £55,000 (Dependent on experience) Ref: J13007 We’re partnering with a global leader in sports trading , a fast-paced and data-driven organisation, in search of a proactive, hands-on IT Systems Administrator to help support and enhance … their mission-critical infrastructure. This is an exciting opportunity to join a collaborative, IT team , where you’ll play a key role in maintaining, optimising, and scaling the systems that power a technology-led business at the forefront of its industry. Key Responsibilities As an integral member of the IT function, you’ll ensure the stability, security, and performance … will include: Managing and maintaining on-site and off-site servers. Monitoring and supporting in-house software applications. Administering Active Directory and Group Policy . Managing and troubleshooting storage systems (NAS and iSCSI). Providing support across the Microsoft Windows environment. Technical Experience To succeed in this role, you’ll bring strong, hands-on experience in: System administration in More ❯

fields of land use planning and sustainable infrastructure construction. Bouygues Travaux Publics is committed to diversity and is open to all talents. We are currently recruiting for an experienced Systems Administrator to join the Project Controls function within the Civil Works Alliance (CWA) , supporting one of the most significant infrastructure programmes in the UK: Sizewell C . … supplying clean, reliable electricity for at least 60 years. This is an exciting opportunity for someone ready to lead the configuration and day-to-day administration of PMO software systems across a complex, multi-stakeholder programme. Initially based in London , this role will eventually move to site-based operations . About the Role You'll be responsible for making … sure our PMO systems – including Primavera Unifier, PRISM, P6, SharePoint, and ARM – are secure, properly configured, and effectively used by the right people across the alliance. You'll work with functional and operational leads to align system setup with real-world business outcomes. Whether you're managing user access, coordinating updates with software vendors, or supporting users to get More ❯

A well-established and highly progressive law firm is seeking a CAFM Facilities Systems Administrator to support the management and optimisation of its workplace systems. This is a fantastic opportunity for someone with strong technical skills to play a key role in ensuring data accuracy, system efficiency, and smooth operations across facilities services. Key Responsibilities: Administer and … processes. Generate reports on space utilisation, asset performance, maintenance, and costs. Use data insights to support strategic planning and improve operational efficiency. Skills & Experience: Experience with CAFM or booking systems (e.g. ServiceNow, Concept FSI, Maximo, Condeco). Strong Excel skills including advanced formulas, pivot tables, and data manipulation. Familiarity with reporting tools such as Power BI or Tableau is More ❯

A well-established and highly progressive law firm is seeking a CAFM Facilities Systems Administrator to support the management and optimisation of its workplace systems. This is a fantastic opportunity for someone with strong technical skills to play a key role in ensuring data accuracy, system efficiency, and smooth operations across facilities services. Key Responsibilities: Administer and … processes. Generate reports on space utilisation, asset performance, maintenance, and costs. Use data insights to support strategic planning and improve operational efficiency. Skills & Experience: Experience with CAFM or booking systems (e.g. ServiceNow, Concept FSI, Maximo, Condeco). Strong Excel skills including advanced formulas, pivot tables, and data manipulation. Familiarity with reporting tools such as Power BI or Tableau is More ❯

A well-established and highly progressive law firm is seeking a CAFM Facilities Systems Administrator to support the management and optimisation of its workplace systems. This is a fantastic opportunity for someone with strong technical skills to play a key role in ensuring data accuracy, system efficiency, and smooth operations across facilities services. Key Responsibilities: Administer and … processes. Generate reports on space utilisation, asset performance, maintenance, and costs. Use data insights to support strategic planning and improve operational efficiency. Skills & Experience: Experience with CAFM or booking systems (e.g. ServiceNow, Concept FSI, Maximo, Condeco). Strong Excel skills including advanced formulas, pivot tables, and data manipulation. Familiarity with reporting tools such as Power BI or Tableau is More ❯

you looking for an exciting opportunity to grow your career in cybersecurity while contributing to a collaborative and inclusive environment? Proclinical is seeking a proactive and skilled Cyber Security Systems Administrator to join a dynamic IT Security team. In this role, you will focus on maintaining and enhancing the security of systems and infrastructure, ensuring protection … against internal and external threats. Responsibilities: Monitor, maintain, and improve security systems, including firewalls, intrusion detection/prevention systems, and endpoint protection. Conduct regular vulnerability assessments and manage system patches. Investigate and respond to security incidents and breaches. Oversee identity and access controls across various systems and applications. Collaborate with IT and DevOps teams to implement secure More ❯

you looking for an exciting opportunity to grow your career in cybersecurity while contributing to a collaborative and inclusive environment? Proclinical is seeking a proactive and skilled Cyber Security Systems Administrator to join a dynamic IT Security team. In this role, you will focus on maintaining and enhancing the security of systems and infrastructure, ensuring protection … against internal and external threats. Responsibilities: Monitor, maintain, and improve security systems, including firewalls, intrusion detection/prevention systems, and endpoint protection. Conduct regular vulnerability assessments and manage system patches. Investigate and respond to security incidents and breaches. Oversee identity and access controls across various systems and applications. Collaborate with IT and DevOps teams to implement secure More ❯

IT Systems & Security Administrator to support and manage a secure MS digital infrastructure environment. This role requires active SC clearance and experience in Microsoft 365 and Azure environments. Outside IR35. London with hybrid working. Key Responsibilities: Administer and configure Microsoft digital infrastructure, including security components. Build, issue, and support IT hardware across Windows, macOS, and iOS. Triage … Manager. Liaise with internal and external stakeholders on IT services and security matters. Review and enhance IT Service Management processes. Essential Skills & Experience: 2+ years in IT support or systems administration (M365 & Azure). Strong knowledge of Microsoft Entra, Intune, Apple Business Manager, and MS Defender. Proven experience with cyber incident response and user device troubleshooting. Advanced use of More ❯

Excellent Customer Service experience Great Attention to detail Information Systems (IS) Administrator- We are currently recruiting for a Information Systems (IS) Administrator to 20th November for 3 Months The role is Hybrid- 2 days in the office and 3 days from home and working on a full-time basis and is paying a competitive … and to handle requests for new hardware, software or services from College members and staff. Support the administrative process to onboard and offboard users and groups from the College systems to maintain their security and maintain the quality of staff directory information. Under the instruction of the Operations Manager, support the procurement of all hardware, software and any consumables. More ❯

Oracle EPBCS Senior Administrator - London, Hybrid Our current client is a global leading services provider, where people are at the heart of their values - their mission is to improve the lives of the public! They are currently on the lookout for a Senior EPBCS Administrator to lead their support team, managing all BAU tasks and system … addition to their strong working culture, they encourage cross team collaboration through company wide social initiatives such as fundraisers, charity challenges and social events! The successful Senior EPBCS Administrator will bring in depth technical experience and financial knowledge. They will solely implement system upgrades and change requests, and will have a previous exposure to groovy/calc scripts. More ❯

Oracle EPBCS Senior Administrator - London, Hybrid Our current client is a global leading services provider, where people are at the heart of their values - their mission is to improve the lives of the public! They are currently on the lookout for a Senior EPBCS Administrator to lead their support team, managing all BAU tasks and system … addition to their strong working culture, they encourage cross team collaboration through company wide social initiatives such as fundraisers, charity challenges and social events! The successful Senior EPBCS Administrator will bring in depth technical experience and financial knowledge. They will solely implement system upgrades and change requests, and will have a previous exposure to groovy/calc scripts. More ❯

Oracle EPBCS Senior Administrator - London, Hybrid Our current client is a global leading services provider, where people are at the heart of their values - their mission is to improve the lives of the public! They are currently on the lookout for a Senior EPBCS Administrator to lead their support team, managing all BAU tasks and system … addition to their strong working culture, they encourage cross team collaboration through company wide social initiatives such as fundraisers, charity challenges and social events! The successful Senior EPBCS Administrator will bring in depth technical experience and financial knowledge. They will solely implement system upgrades and change requests, and will have a previous exposure to groovy/calc scripts. More ❯

A well-established and highly progressive law firm is seeking a CAFM Facilities Systems Administrator to support the management and optimisation of its workplace systems. This is a fantastic opportunity for someone with strong technical skills to play a key role in ensuring data accuracy, system efficiency, and smooth operations across facilities services. Key Responsibilities: Administer and … processes. Generate reports on space utilisation, asset performance, maintenance, and costs. Use data insights to support strategic planning and improve operational efficiency. Skills & Experience: Experience with CAFM or booking systems (e.g. ServiceNow, Concept FSI, Maximo, Condeco). Strong Excel skills including advanced formulas, pivot tables, and data manipulation. Familiarity with reporting tools such as Power BI or Tableau is More ❯

OT Working Hours: 8 per day/40 per week Role Overview: We are seeking an experienced IT Administrator to support and maintain the IT and OT systems and infrastructure at our Pangbourne site. This is a standalone role where you will be the primary point of contact for all IT and OT-related activities on-site. … You will ensure the smooth operation of critical systems to Laboratory workflows and data integrity, provide technical support, and maintain compliance with organizational standards. What you will do: Manage and maintain IT and OT infrastructure, including servers, networks, and end-user devices. Provide first-line and second-line support for hardware, software, and connectivity issues. Monitor system performance and … reliability and security. Coordinate with remote IT and OT teams for escalations and project delivery. Ensure compliance with cybersecurity policies and data integrity & protection standards. Maintain accurate documentation of systems, configurations, and procedures. Support site operations by troubleshooting and resolving technical issues promptly. What you will have: Proven experience in IT administration, preferably in environments with OT systems. Strong More ❯

OT Working Hours: 8 per day/40 per week Role Overview: We are seeking an experienced IT Administrator to support and maintain the IT and OT systems and infrastructure at our Pangbourne site. This is a standalone role where you will be the primary point of contact for all IT and OT-related activities on-site. … You will ensure the smooth operation of critical systems to Laboratory workflows and data integrity, provide technical support, and maintain compliance with organizational standards. What you will do: Manage and maintain IT and OT infrastructure, including servers, networks, and end-user devices. Provide first-line and second-line support for hardware, software, and connectivity issues. Monitor system performance and … reliability and security. Coordinate with remote IT and OT teams for escalations and project delivery. Ensure compliance with cybersecurity policies and data integrity & protection standards. Maintain accurate documentation of systems, configurations, and procedures. Support site operations by troubleshooting and resolving technical issues promptly. What you will have: Proven experience in IT administration, preferably in environments with OT systems. Strong More ❯

Job Summary: System Administrator is responsible for supporting day-to-day server operations, installations, maintenance, and troubleshooting within large-scale data center environments. This role involves managing hardware deployments, ensuring optimal server performance, and providing first-level technical support for server-related incidents. Key Responsibilities: Server Deployment & Capacity Planning Plan and organize server installations onto racks, ensuring proper … for large-scale data centers to optimize resource utilization. Gather server requirements and ensure adequate provision of space, power, and rack capacity. Server Installation & Configuration Install and configure operating systems for newly mounted servers. Reinstall server operating systems and resolve related abnormalities. Maintenance & Troubleshooting Perform daily server maintenance, troubleshooting, and repair activities. Follow up on break-fix incidents … remote vendors or other technical teams to resolve hardware batch failures and issues. Conduct server network troubleshooting and general system diagnostics. Asset & Lifecycle Management Maintain accurate data on internal systems including asset management, ticketing, and rack-related records. Collect, verify, and monitor online asset status and issues. Manage server lifecycle activities including drive erasure, hardware retirement, and relocation. Submit More ❯

Job Summary: System Administrator is responsible for supporting day-to-day server operations, installations, maintenance, and troubleshooting within large-scale data center environments. This role involves managing hardware deployments, ensuring optimal server performance, and providing first-level technical support for server-related incidents. Key Responsibilities: Server Deployment & Capacity Planning Plan and organize server installations onto racks, ensuring proper … for large-scale data centers to optimize resource utilization. Gather server requirements and ensure adequate provision of space, power, and rack capacity. Server Installation & Configuration Install and configure operating systems for newly mounted servers. Reinstall server operating systems and resolve related abnormalities. Maintenance & Troubleshooting Perform daily server maintenance, troubleshooting, and repair activities. Follow up on break-fix incidents … remote vendors or other technical teams to resolve hardware batch failures and issues. Conduct server network troubleshooting and general system diagnostics. Asset & Lifecycle Management Maintain accurate data on internal systems including asset management, ticketing, and rack-related records. Collect, verify, and monitor online asset status and issues. Manage server lifecycle activities including drive erasure, hardware retirement, and relocation. Submit More ❯

Job Summary: System Administrator is responsible for supporting day-to-day server operations, installations, maintenance, and troubleshooting within large-scale data center environments. This role involves managing hardware deployments, ensuring optimal server performance, and providing first-level technical support for server-related incidents. Key Responsibilities: Server Deployment & Capacity Planning Plan and organize server installations onto racks, ensuring proper … for large-scale data centers to optimize resource utilization. Gather server requirements and ensure adequate provision of space, power, and rack capacity. Server Installation & Configuration Install and configure operating systems for newly mounted servers. Reinstall server operating systems and resolve related abnormalities. Maintenance & Troubleshooting Perform daily server maintenance, troubleshooting, and repair activities. Follow up on break-fix incidents … remote vendors or other technical teams to resolve hardware batch failures and issues. Conduct server network troubleshooting and general system diagnostics. Asset & Lifecycle Management Maintain accurate data on internal systems including asset management, ticketing, and rack-related records. Collect, verify, and monitor online asset status and issues. Manage server lifecycle activities including drive erasure, hardware retirement, and relocation. Submit More ❯