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Mainframe Operating Systems Jobs in London
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Active Mainframe Operating Systems roles in London, indexed directly from company ATS systems — not reposted from LinkedIn, Indeed, or Glassdoor. Upload your resume to see your match score against open positions.
Samlink Mainframe Developer
Kyndryl
Espoo (KFI51644) Quartetto Fuuga Hybrid Direct
Senior Software Engineer, Operating Systems
Agility Robotics
Remote, Oregon, United States Hybrid Senior Direct
Samlink Senior Mainframe Developer
Kyndryl
Espoo (KFI51644) Quartetto Fuuga Flexible Senior Direct
Lead Systems Operations Engineer
Wells Fargo
Hyderabad, India Onsite Lead Direct
Director, Mainframe Systems Programming
Ensono
Remote - United States Remote Director Direct
Senior Mainframe Systems Programmer - zOS
Ensono
Remote - United States Remote Senior Direct
Senior Mainframe Systems Programmer - zOS
Ensono
Remote - United States Remote Senior Direct
Mainframe QA Analyst
Natixis
Porto, Porto, PT Onsite mid Direct
System Operator
Kyndryl
Hong Kong Hybrid Mid Direct
Lead Engineer – Partnerdata (Mainframe, Coordination & Projects) (f/m/x)
Deutsche Bank
Spain Onsite Lead Direct
Operating Engineer
Jll
Fairburn, GA Onsite Direct
Operating Engineer-1
Jll
Flushing, NY Onsite Direct
IT Systems & Operations Manager
Form Health
Remote Remote Manager Direct
Lead Operating Engineer
Jll
Redmond, WA Onsite Lead Direct
Infrastructure Engineering Advisor - Mainframe z/OS Storage Administrator
The Cigna Group
Bloomfield, CT Onsite Senior Direct
Systems Operations Manager
Wells Fargo
Hyderabad, India Onsite Manager Direct
Registered Nurse Operating Room
Vail Health Hospital
Dillon, Colorado, United States Onsite Direct
Operating Engineer
Jll
Fairburn, GA Onsite Direct
RN - Operating Room
Cleveland Clinic Health System
United States of America Onsite Direct
Operating Executive
Evergreen Services Group
San Francisco, California, United States Flexible Executive Direct
Senior Mainframe Security Engineer
Ensono
Chennai, India Onsite Senior Direct
Head of HR Operations and Systems
Ashby
Remote - US Remote Senior Direct
Critical Environments Operating Engineer
Jll
Salt Lake City, UT Onsite Direct
Head of Business Systems & Operations
Reachdesk Ltd
London, England, United Kingdom Remote Senior Direct
Systems Operations Engineer
Wells Fargo
Hyderabad, India Remote Direct
Sr. IT Systems Operations Manager
ExtraHop
United States Hybrid Manager Direct
Head of Business Systems & Operations
Reachdesk Ltd
London, England, United Kingdom Remote Direct
Sales Operations Systems Analyst
AssetWatch, Inc.
United States Remote Direct
Cardiac RN – Operating Room
Cleveland Clinic Health System
United States of America Onsite Direct
Head of Business Systems & Operations
Reachdesk Ltd
London, England, United Kingdom Remote Direct
Lead Operating Engineer
Jll
Madison, WI Onsite Lead Direct
Lead Systems Operations Engineer
Wells Fargo
CHARLOTTE, NC Hybrid Lead Direct
Mainframe Senior Storage Architect
Bank Of America
Chandler Onsite Senior Direct
Operations Systems Sr Engineer
Davita
United States of America Remote Senior Direct
Europe Operating Opportunities
Warburg Pincus LLC
Berlin; London Onsite Direct
Operating Executive - ANZ
Evergreen Services Group
San Francisco, California, United States Executive Direct
Unified Systems Operations
Kyndryl
Viseu (KPT51656) KYNTECH Hybrid Direct
Systems Engineer
Motorola Solutions Germany GmbH
Berlin, Germany (ZWG172) Onsite Experienced Direct
Critical Environment Operating Engineer
Jll
Tempe, AZ Onsite Direct
Senior Revenue Operations Systems Administrator
Canopy
South Jordan, Utah, United States Onsite Senior Direct
Critical Environment Operating Engineer
Jll
Tempe, AZ Onsite Direct
Chief Operating Officer
United States of America Onsite Executive Direct
Mainframe Engineering Lead
Syncreon Consulting
Lake Mary, FL, United States Onsite entry Direct
Manager, Computer Operator, Group Infrastructure & Platform Services
United Overseas Bank Ltd
Singapore Onsite Manager Direct
Registered Nurse Operating Room
Intermountain Health
United States of America Onsite Direct
Data Center Operating Engineer
Jll
Totowa, NJ Onsite Direct
Systems Operations Manager - Release Manager
Wells Fargo
Hyderabad, India Onsite Manager Direct
Systems Operations Senior Manager
Wells Fargo
IRVING, TX Remote Senior Direct
Systems Engineer Level III
SNS One, Inc.
Bowie, Maryland, United States Onsite Senior Direct
Unified Systems Operations
Kyndryl
Viseu (KPT51656) KYNTECH Hybrid Direct
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Get match scores →Common Questions
- How many mainframe operating systems jobs in london are available?
- JobsGlitch lists active mainframe operating systems jobs in london sourced directly from company ATS platforms — not reposted from LinkedIn.
- Are these Mainframe Operating Systems roles actually hiring in London?
- Yes — every listing is indexed directly from company career pages (Greenhouse, Lever, Workday, Ashby). These are not aggregated from other job boards, so they reflect live hiring intent.
- What skills do Mainframe Operating Systems jobs in London require?
- Required skills vary by employer and seniority. Browse the listings above to see the specific requirements for each open role.
- How do I apply for mainframe operating systems jobs in london?
- Click any job listing to view the full description and apply directly on the company's career page. Upload your resume on JobsGlitch first to see your match score before applying.