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Operating System Administration Jobs In UK - 1,387 Job Positions Available

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G MASS Consulting jobs

G MASS is a specialist management consultancy and resource augmentation firm focused on financial services. We partner with some of the most prominent names in the London Market — syndicates, managing agents, MGAs, and brokers —

G MASS Consulting  27 days ago
RTX jobs

Date Posted:2026-06-19 Country:United States of America Location:US-MA-ANDOVER-AN1 ~ 350 Lowell St ~ AN1 ESSEX BLDG Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued

RTX  2 days ago
Anduril jobs

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century’s most innovative companies to

Anduril  28 days ago
State Street jobs

Company Profile: Charles River provides an end-to-end solution to automate front and middle office investment management functions across asset classes on a single platform. Delivered as a hosted service, the solution improves data quality and investment

State Street  27 days ago
F5 jobs

At F5, we strive to bring a better digital world to life. Our teams empower organizations across the globe to create, secure, and run applications that enhance how we experience our evolving digital world. We are

F5  27 days ago
Fonoa jobs

Senior GTM Systems Engineer Build the Revenue Infrastructure Behind Autonomous Tax Fonoa is the Tax Operating System for autonomous tax. AI that tracks every rule, acts on every obligation, and proves every decision, built on modular infrastructure. Fonoas modules

Fonoa  25 days ago
The Weir Group PLC jobs

Internal Administration Representative (Sales) Fixed-term contract Location - Todmorden Work Arrangement - Hybrid (5 days onsite initially, then 3 days onsite after 3 months) What we do at Weir We are a global leader in mining technology

The Weir Group PLC  23 days ago
LegalAndGeneral jobs

Company Description Legal & General (L&G) is a leading UK financial services group and major global investor. We’ve been safeguarding people’s financial futures since 1836, and strive to build a better society, while improving the lives

LegalAndGeneral  22 days ago
SEI jobs

SEI is seeking to hire an Account Administration and AML Supervisor to provide a high‑quality level of operational service across the UK and Guernsey businesses. This role entails leading and directing these first‑line operations teams, establishing clear

SEI  22 days ago
MUFG Investor Services jobs

Company Description About MUFG Investor Services: MUFG Investor Services is a trusted partner to many of the world’s largest public and private funds, providing asset servicing and operational solutions built for alternatives. With over $1 trillion

MUFG Investor Services  21 days ago
Hypersonica jobs

Help Build Europes Hypersonic Capability At Hypersonica, we’re redefining what’s possible in European defence technology. We exist to deliver speed, resilience, and technological independence at a pace that sets a new standard. We are a small,

Hypersonica  21 days ago
Kering jobs

Summary Job Description Alexander McQueen is a British luxury fashion house founded by Lee Alexander McQueen in 1992. In 2001, the house joined the Kering Group and, since December 2023, is under the creative direction of

Kering  19 days ago
Oxford Nanopore jobs

Quality Systems Coordinator Location: Oxford, UK Position Type: Full-time Sector: Biotech / Genomics About Us Oxford Nanopore Technologies develops ground-breaking nanopore-based sequencing technologies transforming global research, biopharma, and diagnostics. Operating under ISO 13485 and ISO 9001, we ensure

Oxford Nanopore  18 days ago
Swift jobs

ABOUT US We’re the world’s leading provider of secure financial messaging services, headquartered in Belgium. We are the way the world moves value – across borders, through cities and overseas. No other organisation can address the

Swift  16 days ago
State Street jobs

Company Profile: Charles River provides an end-to-end solution to automate front and middle office investment management functions across asset classes on a single platform. Delivered as a hosted service, the solution improves data quality and investment

State Street  15 days ago
Airbus jobs

Job Description: CAFM Lead - (ERP System) SECURITY CLEARANCE: You will be subject to BPSS and Export Control checks (including a criminal record check) TRAVEL REQUIRED: Frequent travel within UK LOCATION: Broughton TYPE: Full time WHATS IN

Airbus  15 days ago
Ramsay Health Care jobs

Job Advert Bank Administration Assistant Clifton Park Hospital The role: We are looking for a Bank Administrative Assistant to join our team at Clifton Park Hospital. You will be an integral part of a team who are

Ramsay Health Care  13 days ago
CACI International Inc jobs

Job Title: Enterprise Systems Engineer UK-TS/SCI with Poly Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular-Long Term Assignment Percentage of Travel Required: Up to 10% Type of

CACI International Inc  13 days ago
Gearset jobs

Gearsets IT team supports 350+ employees across multiple offices and a growing remote workforce. As we pursue an enterprise market, the expectation for a robust, secure, and highly available infrastructure has never been higher. We’re looking

Gearset  11 days ago
Iberdrola Renewables jobs

PLEASE NOTE THIS ADVERT CLOSES THE DAY BEFORE ANY AUTOMATED DATE SHOWN – PLEASE REFER TO THE CLOSING DATE IN THE BODY OF THE ADVERT Senior Infrastructure Systems Engineer x 6 Location: Glasgow SPHQ or Prenton Salary

Iberdrola Renewables  12 days ago

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