1 to 25 of 39 IT Systems Administrator Jobs

IT Systems Administrator

Location
Greater London, England, United Kingdom
IT Systems Administrator - London - ITSA IT Systems Administrator About the Role We are seeking an experienced and proactive IT Systems Administrator to join our IT Department. The successful candidate will be responsible … server environments and enterprise services. Manage users, permissions and security groups. Administer Hyper-V virtual infrastructure. Manage backups. Monitor performance, availability and reliability. Ensure systems remain secure through patch management. Perform server maintenance and upgrades. Troubleshoot and resolve complex infrastructure issues. Participate in infrastructure implementation and upgrade projects. Maintain ...

Senior IT Systems Administrator

Hiring Organisation
Twinstream Limited
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent
Salary
£60,000
Senior IT Systems Administrator/Bristol (3 days on-site)/£50,000–£60,000 | DV Clearance Eligibility Required Take ownership. Solve complex challenges. Make IT better. TwinStream is looking for an experienced Senior IT Systems Administrator to help keep our IT systems secure, resilient and performing at their best. This is a hands-on senior role offering the autonomy to tackle complex technical challenges, drive improvements, introduce automation and support colleagues across a growing business. About TwinStream Founded ...

IT Systems Administrator

Location
England, United Kingdom
continued investment, innovation and in-house development. As a result of this ongoing growth, we are looking to recruit an IT Systems Administrator to join our IT Team. This is an excellent opportunity to become part of an established and expanding business, where … will play a hands on role in keeping our systems secure, reliable and available. The Role The IT Systems Administrator is responsible for the day-to-day support, maintenance, security and performance of the organisation’s IT infrastructure. This role ensures ...

Senior IT Systems Administrator (Linux & HPC)

Location
Leatherhead, England, United Kingdom
Senior IT Systems Administrator (Linux & HPC)KBR is a global provider of differentiated, professional services and technologies delivered across a wide government, defense and industrial base. Drawing from its rich 100-year history and culture of innovation and mission focus, KBR creates sustainable value … term operations and maintenance services to ensure consistent delivery with predictable results. At KBR, We Deliver.KBR is looking for a Senior IT Systems Administrator (Linux & HPC).**The Opportunity:**The Senior IT Systems Administrator (Linux & HPC) is responsible ...

Senior IT Systems Administrator

Hiring Organisation
Twinstream Limited
Location
City, Bristol, United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 Annual
Senior IT Systems Administrator/Bristol (3 days on-site)/£50,000-£60,000 DV Clearance Eligibility Required Take ownership. Solve complex challenges. Make IT better. TwinStream is looking for an experienced Senior IT Systems Administrator to help keep our IT systems secure, resilient and performing at their best click apply for full job details ...

IT Systems Administrator

Hiring Organisation
BERING STRAITS NATIVE CORPORATION
Location
Anchorage, Alaska, United States
Employment Type
Permanent
Salary
USD Annual
state. Three distinct Native languages are spoken: St. Lawrence Island Yupik, Central Yup'ik, and Inupiaq. About this position: IT Systems Administrator in Anchorage, AK The Essential Duties and Responsibilities are intended to present a descriptive list of the range of duties performed for this … employee email accounts, groups and permissions in a hybrid on-prem and Entra ID Active Directory structure Install and configure software and security on systems/devices Maintain and integrate enterprise application systems Resolve performance issues and automate tasks as required Document all work/tasks preformed Collaborate ...

IT Systems & Network Administrator

Hiring Organisation
Parkside
Location
Heston, Heston West, Greater London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £80000/annum
IT Systems & Network Administrator ONSITE Heathrow/Heston £50,000 – £80,000 depending on experience We are recruiting for an experienced and hands-on IT Systems & Network Administrator to join our client’s IT team. This … requirements. Work with external IT suppliers and support infrastructure projects where required. About You 5+ years' experience in an IT Systems, Network Administration or Infrastructure role. Proven hands-on experience with SonicWall firewalls – this is essential. Strong knowledge of VMware ESXi/vSphere . Experience ...

IT Systems Administrator

Hiring Organisation
Sanderson Recruitment
Location
Oswestry, Shropshire, West Midlands, United Kingdom
Employment Type
Permanent, Part Time, Work From Home
Salary
£35,000
IT Systems Administrator Salary: £33,000 - £38,000 Contract Type: Permanent Location: Hybrid working (office based in Oswestry) - typically 2 days in the office per week Support Technology That Keeps Practice Plan Running Practice Plan, part of the Wesleyan Group, helps dental practices across … vital role in ensuring colleagues have secure, reliable and effective technology to support our customers and business operations. If you're an experienced Systems Administrator who enjoys infrastructure, project work and solving complex technical challenges, this is an exciting opportunity to join a collaborative team and play ...

Senior IT Systems Administrator

Hiring Organisation
Akkodis
Location
Middlesbrough, North Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£33000 - £38000/annum
Senior IT Systems Administrator £33,000 - £38,000 Middlesbrough Our client is a leading provider, and a massive name in the industrial sector. They are looking for an experienced 3rd line systems administrator to come in and hit the ground running … their growing in-house team in Middlesbrough. You will be responsible for the administration and optimisation of Microsoft-based infrastructure, cloud services and enterprise systems, providing third-line support and technical expertise across the organisation. You'll work closely with ICT teams and business stakeholders to ensure systems ...

IT Systems Administrator

Hiring Organisation
Rise Technical Recruitment
Location
Ross-On-Wye, Herefordshire, Ross on Wye, United Kingdom
Employment Type
Permanent
Salary
£35000 - £43000/annum
IT Systems Administrator £35,000 - £43,000 + Annual Bonus + Salary Reviews + Training + Progression + Pension + 32 Days Holiday + Benefits Ross-on-Wye Are you an IT professional with experience in Power Platform, Microsoft 365, general IT … experience Knowledge of SharePoint Online and Intune Excellent communication and problem-solving skills Experience supporting end users within an IT support or systems role Power BI, PowerShell, Microsoft Graph API or Dataverse experience advantageous Reference Number:BBBH(phone number removed) Rise Technical Recruitment Ltd acts an employment ...

Senior IT Systems Administrator

Location
West of England, England, United Kingdom
Location: Bristol (3 days a week) Security Clearance: Must be eligible for DV Clearance The Role As a Senior IT Systems Administrator, you’ll take senior operational responsibility for the performance, resilience, maintenance and continual improvement of TwinStream’s IT systems … ticks every box. If your experience aligns with many of the requirements below, we’d love to hear from you. Proven experience in systems administration, infrastructure engineering or a comparable hands‐on technical role, with responsibility for complex services or technical delivery A strong track record of managing business ...

IT System Administrator

Hiring Organisation
Noriker Power Ltd
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Part Time
Salary
£50,000
encouraged to take ownership, innovate, and directly influence the companys trajectory. Role Description We are seeking a skilled and proactive IT Systems Administrator to join our IT team. The successful candidate will be responsible for the maintenance, support, and continuous improvement … organisation's Operational Technology (OT) and Enterprise IT infrastructure, ensuring the availability, security, and optimal performance of all systems and networks. This is an excellent opportunity for an experienced IT professional who enjoys troubleshooting technical issues, managing infrastructure projects, and delivering exceptional support to users. ...

Senior IT Systems Administrator — Cloud & Security Lead

Location
West of England, England, United Kingdom
TwinStream is seeking a Senior IT Systems Administrator to take senior operational responsibility for the performance and resilience of our IT systems as the business grows. Working under the IT Technical Lead, you will lead complex deployments, manage cloud platforms ...

Senior IT Systems Administrator (DV Clearance Eligible)

Location
West of England, England, United Kingdom
TwinStream Limited is seeking a Senior IT Systems Administrator to take senior operational responsibility for the performance, resilience, maintenance and improvement of IT systems and services. You will work within the IT team to implement changes, lead complex technical implementations ...

IT Systems Administrator

Hiring Organisation
Sanderson Recruitment
Location
Weston Rhyn, Shropshire, United Kingdom
Employment Type
Permanent
Salary
GBP 38,000 Annual
IT Systems Administrator Salary: £33,000 - £38,000 Contract Type: Permanent Location: Hybrid working (office based in Oswestry) - typically 2 days in the office per week Support Technology That Keeps Practice Plan Running Practice Plan, part of the Wesleyan Group, helps dental practices across ...

IT Systems Administrator – Windows & Cloud

Location
England, United Kingdom
MYECF is recruiting an IT Systems Administrator to join the IT Team in Leicestershire. You will manage day-to-day IT operations, security, reliability, and availability of the IT infrastructure including servers, networks, cloud services and business applications. … will support 1st-line IT activities, assist in IT projects, and work with vendors to ensure secure, compliant systems. Prior experience with Microsoft 365, AD/Entra ID, and Windows Server is essential. #J-18808-Ljbffr ...

Global Systems Administrator for High-Performance IT

Location
Biggin Hill, England, United Kingdom
Formula One Management Limited is seeking a Systems Administrator to support IT systems across fixed sites, cloud and Grand Prix events. You will manage server infrastructure, documentation, and security, while driving improvements and providing user support. Reporting to the IT Systems ...

Senior IT Systems Administrator - Ship & Office Infra

Location
Greater London, England, United Kingdom
Lomar Shipping Limited is seeking an experienced IT Systems Administrator to join our IT Department in London. You will be responsible for administering, maintaining, and improving the company’s office and vessel IT infrastructure to ensure high availability, security, and reliability. ...

IT Systems Administrator — Flexible, 24x7 Support

Location
Greater London, England, United Kingdom
Side is seeking an IT Systems Administrator to join its global IT Support team in London. You will maintain corporate servers, network infrastructure, and desktops (Windows, Mac, Linux) and manage Active Directory, Office 365, Intune, and security controls. The role requires 5 years ...

OT & IT Systems Administrator: Linux, Cloud & Security

Location
Cheltenham, England, United Kingdom
Noriker Power Ltd is seeking a skilled IT Systems Administrator to maintain and improve the organisation's OT and Enterprise IT infrastructure. You will support Linux servers, Google Workspace, and cloud services while ensuring security and performance across systems and networks. … will troubleshoot complex issues, manage backups and disaster recovery, and contribute to IT projects. Strong Linux, networking, and communication skills are essential for delivering reliable user support and #J-18808-Ljbffr ...

Senior IT Systems Administrator

Location
Greater London, England, United Kingdom
underpins our vision to become the global leader in packaged holidays. We drive cutting-edge innovation and technical excellence to futureproof the business. Our systems process trillions of daily holiday offers, we deploy over a thousand times a month, serving thousands of requests per second. This is where … responsible for the strategic and high-level operational support necessary to ensure the smooth, day-to-day running of all IT systems for every user across all regions. This role acts as a key escalation point for both internal and external stakeholders. Your day-to-day: Support ...

Senior IT Systems Administrator – Cloud, Networking & AV Support

Location
Greater London, England, United Kingdom
loveholidays is seeking a Senior System Administrator to ensure the smooth operation of IT systems across the UK and Europe. You will report to the Senior Business IT Manager and support staff in our London HQ, Dusseldorf, and remote sites. You'll oversee ...

IT Systems Administrator - Cloud, Security & Automation

Location
Cambridge, England, United Kingdom
Cellular Origins is hiring an IT Administrator to partner with the Head of IT and design, run and improve our technology stack. You’ll own a growing set of Microsoft 365 services, manage Windows devices with Intune, and help migrate and maintain our cloud … premise tools. You’ll work across security-minded, scalable IT infrastructure in a fast-moving life sciences environment, with ownership of solutions and a path to influence IT strategy. #J-18808-Ljbffr ...

Hybrid Senior Systems Administrator — UK IT Lead

Location
Greater London, England, United Kingdom
Forge in London (Shepherd’s Bush) seeks a Senior Systems Administrator to own and optimize a world-class IT environment across the UK and South Africa. You will manage Windows and Mac, cloud platforms, and security, with hybrid work and frontline accountability. You’ll report … based IT manager, collaborate across teams, and drive automation and improvements while supporting acquisitions and integrations. A proactive, self-starting mindset is essential. #J-18808-Ljbffr ...

IT Systems Administrator

Hiring Organisation
Reed Technology
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent
Salary
£35,000
security, efficiency, and reliability of all IT systems. Day-to-Day of the Role: Infrastructure Operations & Maintenance: Maintain and administer servers, storage systems, and core infrastructure to ensure stability, availability, and performance. Server & Virtualisation Management: Manage virtual environments, configure virtual machines, and maintain host clusters. Networking & Connectivity … network upgrades. Cloud Infrastructure Management: Administer cloud platforms, manage cloud-based servers, and implement cloud governance policies. Backup, Storage & Disaster Recovery: Maintain backup systems, test disaster recovery procedures, and manage storage solutions. Security & Compliance: Implement security measures, monitor vulnerabilities, and support compliance audits. Automation & Scripting: Use PowerShell to automate ...