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Mainframe Expertise Jobs in London
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Active Mainframe Expertise 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.
Développeur Mainframe COBOL H/F
Inetum
Saint-Ouen, France Hybrid not-applicable Direct
Développeur Mainframe COBOL H/F
Inetum
Saint-Ouen, France Hybrid not-applicable Direct
Principal Mainframe z/OS Engineer
Arthur Grand Technologies
Jersey City, NJ, United States mid Direct
MEL Specialist – Qualitative Expertise
Busara
Kampala Remote Direct
Samlink Mainframe Developer
Kyndryl
Espoo (KFI51644) Quartetto Fuuga Hybrid Direct
Samlink Senior Mainframe Developer
Kyndryl
Espoo (KFI51644) Quartetto Fuuga Flexible Senior Direct
Sr. Mainframe Software Engineer (Cobol)
Ingram Content Group
La Vergne, TN, United States Hybrid mid Direct
Sr. Mainframe Software Engineer (Cobol)
Ingram Content Group
La Vergne, TN, United States Hybrid mid Direct
Mainframe MVS / z/OS System Administrator
Kyndryl
Chennai, Tamil Nadu, India Hybrid Direct
Principal GTM Specialist, Agentic AI-Led Mainframe Transformation, AWS Transform, AWS WWSO
Amazon Web Services, Inc.
New York, New York, USA Onsite Senior Direct
Mainframe iSeries Operations Lead
Kyndryl
Bangalore, Karnataka, India Hybrid Lead Direct
Mainframe iSeries Operations Lead
Kyndryl
Bangalore, Karnataka, India Hybrid Lead Direct
Stage de Fin d'Etudes- Collaborateur Expertise comptable - Lyon - Janvier 2027 - H/F
MAZARS
Lyon, Auvergne-Rhône-Alpes, France Flexible internship Direct
Stage de Fin d'Etudes- Collaborateur Expertise comptable - Lyon - Janvier 2027 - H/F
MAZARS
Lyon, Auvergne-Rhône-Alpes, France Flexible internship Direct
Mainframe MVS / z/OS System Administrator
Kyndryl
Chennai, Tamil Nadu, India Hybrid Direct
Sales Manager (m/f/d) with Amazon expertise
Poland/Italy (100% remote) Remote Manager Direct
Senior Mainframe Developer (Cobol)
CI&T
Brazil Remote Senior Direct
Software Development Engineer, AWS Transform, AWS Mainframe Modernization (M2)
Amazon Development Center U.S., Inc.
Boston, Massachusetts, USA Onsite Direct
Mainframe QA Analyst
Natixis
Porto, Porto, PT Onsite mid Direct
Mainframe QA Analyst
Natixis
Porto, Porto, PT Onsite mid Direct
Mainframe Console & Batch Operations
Kyndryl
Chennai, Tamil Nadu, India Hybrid Direct
Mainframe Console & Batch Operations
Kyndryl
India Hybrid Direct
Lead Engineer – Partnerdata (Mainframe, Coordination & Projects) (f/m/x)
Deutsche Bank
Spain Onsite Lead Direct
Mainframe Batch and Console Operations
Kyndryl
Bangalore, Karnataka, India Hybrid Direct
Mainframe Batch and Console Operations
Kyndryl
Bangalore, Karnataka, India Hybrid Direct
Senior Automation QA Engineer (Manual expertise)
N-iX
LATAM Flexible Senior Direct
Senior Automation QA Engineer (Manual expertise)
N-iX
European Union Flexible Senior Direct
Sr. Product Manager, International - Content & Category Expertise, Amazon Rufus
Amazon UK Services Ltd.
London, England, GBR Onsite Senior Direct
Mainframe Batch and Console Operations expert
Kyndryl
Bangalore, Karnataka, India Remote Direct
Mainframe Batch and Console Operations expert
Kyndryl
Bangalore, Karnataka, India Remote Direct
Mainframe Batch and Console Operations expert
Kyndryl
Bangalore, Karnataka, India Remote Direct
Alternance Expertise Comptable - Rouen - Septembre 2026 H/F
MAZARS
Rouen, Normandie, France Onsite not-applicable Direct
Infrastructure Engineering Advisor - Mainframe z/OS Storage Administrator
The Cigna Group
Bloomfield, CT Onsite Senior Direct
Mainframe Specialist
Kyndryl
IT152236 Roma Fiera (IT152236) Hybrid Direct
Director, Mainframe Systems Programming
Ensono
Remote - United States Remote Director Direct
Senior Mainframe Security Engineer
Ensono
Chennai, India Onsite Senior Direct
Chargé d'Affaires Expertise Machines H/F
SOCOTEC
Bezannes, Grand Est, France Onsite mid Direct
Alternance Expertise Comptable - Rouen - Septembre 2026 H/F
MAZARS
Rouen, Normandie, France Onsite not-applicable Direct
Senior Mainframe Systems Programmer - zOS
Ensono
Remote - United States Remote Senior Direct
Mainframe Network Engineer
Kyndryl
Phoenix, AZ, USA Hybrid Direct
Mainframe Platform Engineer
Kyndryl
Mexico City, Distrito Federal, Mexico Hybrid Senior Direct
Senior Mainframe Systems Programmer - zOS
Ensono
Remote - United States Remote Senior Direct
Market Data Engineer (Domain Trading Expertise Required)
BHFT
Barcelona, CT, Spain Remote mid Direct
IT Solutions Consultant (with Pharma/Life Sciences expertise)
Viseven Group
Bucharest Flexible Mid Direct
Lead Data Steward (f/m/d) - Data & AI Governance Center of Expertise
Decathlon Digital
Paris, Paris, France Lead Direct
Senior Mainframe Modernization Engineer
Kyndryl
Tokyo (KJP51658) Roppongi Hills Hybrid Senior Direct
Mainframe Senior Storage Architect
Bank Of America
Chandler Onsite Senior Direct
Mainframe ZOS System Programmer
Kyndryl
Phoenix, AZ, USA Hybrid Direct
Mainframe CICS System Administrator
Kyndryl
Phoenix, AZ, USA Hybrid Direct
Pilotes avec expertise en déplacement de foreuse
Canadian Helicopters
Localisations variées à travers le Canada, Canada Onsite not-applicable Direct
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Get match scores →Common Questions
- How many mainframe expertise jobs in london are available?
- JobsGlitch lists active mainframe expertise jobs in london sourced directly from company ATS platforms — not reposted from LinkedIn.
- Are these Mainframe Expertise 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 Expertise 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 expertise 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.