45 Linux/Windows Administrator jobs in United Kingdom
- Linux Administrator
Infotree Global SolutionsLondon, England£34k - £54k (Glassdoor Est.)Linux Administration with 3 years of minimum work experience. Services : Apache, Mysql, iptables, Shell scripting ,DNS,DHCP,haproxy and keepalived and proxy.…30d+ - Network AdministratorNexgen Communication ltdLondon, England£32k - £38k (Employer provided)\* Manage user accounts, permissions and access controls using Microsoft 365 and Active Directory. \* Bachelor’s degree or equivalent qualification in Computer……2d
- Senior Cloud Systems Administrator(Night Shift)
NiCERemoteBy managing operating systems, applying updates, and optimizing infrastructure, they safeguard business continuity and enable seamless operations.…30d+ - Senior Database Administrator
BullhornRemoteThe ideal candidate will have proven technical experience with a solid foundation of database administration skills, along with a positive attitude.…30d+ - Systems Administrator Industry Placement Year (London)
D. E. Shaw & Co. - Investment FirmLondon, EnglandThe D. E. Shaw group may collect, use, hold, transfer, and process candidates’ resumes and associated information (including personal information contained……30d+ - IT Systems Administrator
MaintelLondon, EnglandITIL qualified or have relevant demonstrable practical experience. Maintel, founded in 1991 by Tim Mason and Angus McCaffery, started as a small operation……6d - Systems Administrator (Corporate IT)
VoleonLondon, England£37k - £59k (Glassdoor Est.)3-5+ years in IT systems administration, platform operations, and user support. Manage SaaS platforms (Microsoft 365/Entra ID, Slack, Zoom) including user……30d+ - System Administrator
vServicesLondon, England£40k - £61k (Glassdoor Est.)Interface within OPS, engineering, PMO and CS management as well as external customers and vendors on project/operational matters.…30d+ - Network Administrator
BoeingBristol, England£28k - £41k (Glassdoor Est.)You will be involved in project activities, hardware and software installation, daily support, configuration and disposition of servers and networks.…11d - Infrastructure Engineer – London
smartTrade TechnologiesLondon, England£38k - £71k (Glassdoor Est.)Provide level-3 incident response for infrastructure issues (systems, containers, network paths, storage), restoring service within SLAs and driving post-……30d+ - SRE DevOps Engineer
WTWReigate, England£35k - £65k (Glassdoor Est.)Champion and implement best practice solutions for reliable, performant and observable SaaS products. Collaborate with the product and engineering teams on the……30d+ - Systems, Networks and Security Administrator
AngokaBelfast, Northern Ireland£24k - £31k (Glassdoor Est.)3-5 years’ commercial IT/System and Network administration experience. Demonstrable Tier 1 and Tier 2 IT support experience.…30d+ - Infrastructure Operations Analyst
UK Civil Aviation AuthorityGatwick, England£45k (Employer provided)Ensure that all calls and changes are dealt with and within agreed SLA’s. Azure technologies inc. configuring, supporting, maintaining and administering Intune……30d+ - Senior Site Reliability Engineer
SS&CLondon, England£55k - £97k (Glassdoor Est.)They will have proven experience in using infrastructure as code and familiarity with AI-driven operational tooling. Support, mentor and train SRE Engineers.…30d+ - Senior Red Team Operator
G-ResearchLondon, England£150k (Glassdoor Est.)Lunch provided (via Just Eat for Business) and dedicated barista bar. Providing subject matter expertise on emerging cyber threats and offensive security……2d - Sr. Engineer, Systems
AbacusRemoteOperational Excellence: Manage VM-specific "Day 2" operations, including Live Migration, node maintenance/draining, and high-availability (HA) scheduling.…30d+ - Sr Administrator (Support & Operations)
HCLTechBasildon, East of England, EnglandTo provide support for complex incidents, escalated by analysts, perform root cause analysis, and implement solutions to resolve technical & security issues.…13d - Client Services Engineer - Bloomberg Broadway
BloombergLondon, England£45k - £80k (Glassdoor Est.)Best Places to WorkBloomberg provides reasonable adjustment/accommodation to individuals with disabilities. Knowledge of a financial trading businesses, preferably fixed income.…30d+ - IT Desktop Support
Axiom TechnologiesFakenham, EnglandCollaborate with other IT teams on escalated issues or project-related tasks. Follow security protocols and assist with antivirus, patching, and data protection……30d+ - Senior Infrastructure EngineerMetropolitan GamingLondon, England£38k - £61k (Glassdoor Est.)Discounts and perks across travel, retail, hospitality and wellbeing. Ability to challenge suppliers constructively and hold them accountable.…5d
- Azure DevOps EngineerUBDS GroupLondon, England£65k - £95k (Glassdoor Est.)Due to the nature of our client work, you must currently hold Security Check (SC) clearance or be eligible to obtain SC clearance as part of your employment……30d+
- Infrastructure Engineer
Blinx TechnologyUnited KingdomTechnologies in use at Blinx and/or our customers. Experience dealing with physical data centre infrastructure such as room-scale UPSs, fire suppression.…6d - Red Team Operations ManagerG-ResearchLondon, England£150k (Glassdoor Est.)Lunch provided (via Just Eat for Business) and dedicated barista bar. Highly competitive compensation plus annual discretionary bonus.…2d
- Cloud EngineerCOPPER CLICK LTDChelmsford, England£78k - £88k (Employer provided)Strong understanding of cloud security, networking, and system administration. Design, implement, and maintain cloud infrastructure across public and hybrid……12d
- Servicenow Technical ArchitectManagement ConsultingLondon, EnglandWork with Architect and customers for the technical requirements, document them, play back and baseline. Estimate effort, work with the product sponsor to……16d
- Technical Account Manager
DelineaBracknell, England£54k - £64k (Glassdoor Est.)Engage with customers to quickly resolve high priority issues impacting their service delivery. Deliver remote services to new and existing customers including……30d+ - Platform Engineer
AOUnited KingdomOur customers rate us 4.9 on Trustpilot from nearly ONE MILLION reviews and more 5-star ratings than any other UK electrical retailer, because they know they……30d+ - Systems Administrator
Random42Saint Marylebone, England£40k - £54k (Glassdoor Est.)Hybrid Working (2 days per week from home after successful completion of probation period). Proven experience in problem-solving and driving solutions.…30d+ - Senior Infrastructure & Platform Engineer
Plessey SemiconductorsPlymouth, England£41k - £60k (Glassdoor Est.)Solid Linux administration experience (RHEL, Ubuntu, or equivalent). Participate in on-call and incident response activities as required.…30d+ - Senior Cybersecurity Forensic Administrator
Enghouse SystemsReading, England£55k - £65k (Employer provided)This is a hybrid opportunity, that requires an in-office presence 1 to 2 days a week. Partner with security operations, IT, privacy, compliance, HR, and legal……6d
Infotree Global Solutions
Linux Administrator
London, England
£34k - £54k (Glassdoor Est.)