1 to 25 of 51 Mainframe Jobs in the UK excluding London

Contract Role - Mainframe Assembler Developer – Contract – Leeds/Halifax/Edinburgh/Hybrid – 06 Months Initial We are currently seeking a skilled and proactive Mainframe Assembler Developer to join a leading financial institution. You will play a key role in supporting and enhancing legacy systems critical to banking operations. The ideal candidate will have strong technical expertise in Assembler and … related mainframe technologies, combined with solid experience in high-volume, regulated environments. Role Overview: Job Title: Mainframe Assembler Developer Location: Leeds/Halifax/Edinburgh/Hybrid (2 days per week onsite) Contract Type: Contract Duration: 06 months initially Sector: Banking Required Skills & Experience: Proven experience with IBM Mainframe Assembler (HLASM) development. Strong understanding of z/OS , JCL , TSO … written and verbal. Nice to Have: Knowledge of regulatory and compliance requirements in the banking domain. Exposure to system modernization or migration projects. Experience with automated testing tools for mainframe environments. Please feel free to contact myself – Daisy Nguyen at Gibbs Consulting for a confidential chat to know more details about the role. Please also note: Due to the volume More ❯

Mandatory Skills Description: 8+ years in enterprise application architecture, with at least 3 years in modernization. Proven ability to assess legacy estates and define future-state architectures. Proficiency in mainframe tech (COBOL, DB2, CICS) and modern stacks (Java, Spring, microservices). Exposure to GenAI use cases in application engineering and code conversion. Strong client communication, technical documentation, and stakeholder alignment More ❯

Mandatory Skills Description: 8+ years in enterprise application architecture, with at least 3 years in modernization. Proven ability to assess legacy estates and define future-state architectures. Proficiency in mainframe tech (COBOL, DB2, CICS) and modern stacks (Java, Spring, microservices). Exposure to GenAI use cases in application engineering and code conversion. Strong client communication, technical documentation, and stakeholder alignment More ❯

Mandatory Skills Description: 8+ years in enterprise application architecture, with at least 3 years in modernization. Proven ability to assess legacy estates and define future-state architectures. Proficiency in mainframe tech (COBOL, DB2, CICS) and modern stacks (Java, Spring, microservices). Exposure to GenAI use cases in application engineering and code conversion. Strong client communication, technical documentation, and stakeholder alignment More ❯

analyse, and document business and technical requirements, transforming them into actionable deliverables. Develop and maintain the benefits realisation profile, ensuring traceability of business value and ownership. Provide expertise on Mainframe LAM processes, data, and roles. Define clear and testable acceptance criteria to validate delivery outcomes. Analyse the Target Operating Model (TOM) and migration strategy to refine scope, identify changes, and More ❯

has already delivered millions of pounds of benefits. Our future plans are no less ambitious. Over the next 3-5 years we will simplify our Group Finance technology, removing mainframes, increasing integrations and upgrading systems, enabling Tesco to benefit from the latest innovations in the market, including AI. We are looking for an experienced Senior Technical Programme Manager to join More ❯

has already delivered millions of pounds of benefits. Our future plans are no less ambitious. Over the next 3-5 years we will simplify our Group Finance technology, removing mainframes, increasing integrations and upgrading systems, enabling Tesco to benefit from the latest innovations in the market, including AI. We are looking for an experienced Senior Technical Programme Manager to join More ❯

has already delivered millions of pounds of benefits. Our future plans are no less ambitious. Over the next 3-5 years we will simplify our Group Finance technology, removing mainframes, increasing integrations and upgrading systems, enabling Tesco to benefit from the latest innovations in the market, including AI. We are looking for an experienced Senior Technical Programme Manager to join More ❯

level knowledge and experience with technical deployments of exposure/vulnerability management systems for large enterprises, across a diverse technology stack (IaaS/PaaS/SaaS/physical/mainframe/hybrid-cloud) and delivery lifecycles (Project/COTS applications, DevOps) Expertise with Qualys and other vulnerability and exposure management technologies Expertise in the full vulnerability management lifecycle Vendor and More ❯

level knowledge and experience with technical deployments of exposure/vulnerability management systems for large enterprises, across a diverse technology stack (IaaS/PaaS/SaaS/physical/mainframe/hybrid-cloud) and delivery lifecycles (Project/COTS applications, DevOps) Expertise with Qualys and other vulnerability and exposure management technologies Expertise in the full vulnerability management lifecycle Vendor and More ❯

requirements. Essential Skills and Experience: Strong experience with COBOL development. Hands-on experience with ICL VME and PL/SQL . Knowledge of structured programming and batch processing in mainframe environments. Ability to work effectively in a remote UK-based team. BPSS minimum security clearance (SC preferred). This is an excellent opportunity for a skilled COBOL developer to contribute More ❯

key business stakeholders. Manage complex, high-risk implementations requiring integration across multiple parties for safe delivery. Coordinate the integration process and implementation events across shared infrastructure (e.g., Upgrading the Mainframe). Provide governance expertise for changes across multiple labs, supporting the Product Owner as needed. Your Agile Mindset: You will be a key player in our agile team, utilising agile More ❯

key business stakeholders. Manage complex, high-risk implementations requiring integration across multiple parties for safe delivery. Coordinate the integration process and implementation events across shared infrastructure (e.g., Upgrading the Mainframe). Provide governance expertise for changes across multiple labs, supporting the Product Owner as needed. Your Agile Mindset: You will be a key player in our agile team, utilising agile More ❯

key business stakeholders. Manage complex, high-risk implementations requiring integration across multiple parties for safe delivery. Coordinate the integration process and implementation events across shared infrastructure (e.g., Upgrading the Mainframe). Provide governance expertise for changes across multiple labs, supporting the Product Owner as needed. Your Agile Mindset: You will be a key player in our agile team, utilising agile More ❯

IBM Mainframe Cobol Senior Developer - East Midlands to £54K + bonus + pension + other great corporate benefits inc relocation package Excellent opportunity to join one of the UK's most successful FTSE100 companies as an IBM Cobol Senior Developer. You will need to have a minimum of 8 years experience as an IBM Cobol Developer and the ability to … be advantageous. Key skills: Cobol/CICS Cobol Adabas (training will be given) Natural (training will be given) DB2 SQL JCL Desirable: zOS connect Websphere MQ XML JSON IBM Mainframe Cobol Senior Developer - East Midlands More ❯

at the heart of Bank Chief Technology Office (CTO) – operating, maintaining & transforming the technology infrastructure used by the rest of the bank to run applications & services (servers, storage, databases, mainframe, middleware, internal cloud & automation technologies amongst others). In this role, you will: • Support financial management activities for Enterprise Infrastructure – across both expenses & internal customer charges: o Annual planning/ More ❯

at the heart of Bank Chief Technology Office (CTO) – operating, maintaining & transforming the technology infrastructure used by the rest of the bank to run applications & services (servers, storage, databases, mainframe, middleware, internal cloud & automation technologies amongst others). In this role, you will: • Support financial management activities for Enterprise Infrastructure – across both expenses & internal customer charges: o Annual planning/ More ❯

NEW CONTRACT ROLE - ENDEVOR ADMINISTRATOR (MAINFRAME SUPPORT) UK-Based Candidates Only | 6-Month Contract | Hybrid - 2 Days Onsite (Manchester) To apply, email: THE OPPORTUNITY We're looking for an experienced Endevor Administrator to join a leading financial services organisation on a 6-month contract. This role will be responsible for managing and maintaining mainframe source code management environments using CA … Endevor , ensuring smooth release, version control, and deployment processes across multiple environments. This position is ideal for candidates with strong mainframe administration and Endevor configuration experience, who thrive in collaborative development and release management environments. THE ROLE Administer and maintain CA Endevor environments across multiple LPARs. Manage version control and change management processes for mainframe applications. Create and maintain processor … production deployments. Maintain accurate documentation for procedures, configurations, and troubleshooting. Ensure compliance with internal security and regulatory standards. TECHNICAL SKILLS/REQUIREMENTS 8+ years' experience in Endevor administration or mainframe application support . Strong working knowledge of JCL, TSO/ISPF, REXX, and CLIST . Experience with ACF2 or RACF for security administration. Familiarity with backup and storage management tools More ❯

Rate: £350 per day Inside IR35 Sector: Banking/Financial Services Overview: A prominent organisation within the banking sector requires an experienced Endevor Administrator to support and enhance their Mainframe source code management systems. This position will be integral in maintaining Endevor environments, supporting development teams, and ensuring robust deployment and release processes. Key Responsibilities: Administer and maintain CA Endevor … environments across multiple LPARs. Manage version control and change management processes for Mainframe applications. Configure and maintain processor groups, element types, and Endevor exits. Perform installations, upgrades, and Endevor software configuration. Automate deployment, shipment, and archiving processes. Provide technical support, troubleshooting, and user training. Monitor performance, capacity, and backup procedures. Collaborate with release management for production deployments. Ensure compliance with … internal controls and industry standards. Required Skills & Experience: 8+ years' experience in Endevor administration or Mainframe support. Strong proficiency in JCL, TSO/ISPF, REXX, and CLIST . Knowledge of ACF2 or RACF security administration. Experience with Tivoli Storage Manager or similar backup tools. Familiarity with Cobol and JCL . Excellent problem-solving, automation, and communication skills. More ❯

Role – Senior Consultant Technology – Card & payment, VisionPlus, Mainframe Business Unit – FSDCG Compensation – Competitive (including bonus) The role requires the employee to be working fulltime onsite in Basildon. Job Description Today, the corporate landscape is dynamic and the world ahead is full of possibilities! None of the amazing things we do at Infosys would be possible without an equally amazing culture … knowledge of VisionPLUS product. • Strong hands-on working knowledge in one of the CMS, TRAMS, FAS VMx applications • Strong knowledge of COBOL JCL, VSAM and CICS • Well versed with Mainframe technologies such as Endeavor, Changeman • Experience in design and development of medium complex problems • Strong interpersonal and communications skills Personal Besides the professional qualifications of the candidates we place great More ❯

Role – Senior Consultant Technology – Card & payment, VisionPlus, Mainframe Business Unit – FSDCG Compensation – Competitive (including bonus) The role requires the employee to be working fulltime onsite in Basildon. Job Description Today, the corporate landscape is dynamic and the world ahead is full of possibilities! None of the amazing things we do at Infosys would be possible without an equally amazing culture … knowledge of VisionPLUS product. • Strong hands-on working knowledge in one of the CMS, TRAMS, FAS VMx applications • Strong knowledge of COBOL JCL, VSAM and CICS • Well versed with Mainframe technologies such as Endeavor, Changeman • Experience in design and development of medium complex problems • Strong interpersonal and communications skills Personal Besides the professional qualifications of the candidates we place great More ❯

Role – Senior Consultant Technology – Card & payment, VisionPlus, Mainframe Business Unit – FSDCG Compensation – Competitive (including bonus) The role requires the employee to be working fulltime onsite in Basildon. Job Description Today, the corporate landscape is dynamic and the world ahead is full of possibilities! None of the amazing things we do at Infosys would be possible without an equally amazing culture … knowledge of VisionPLUS product. • Strong hands-on working knowledge in one of the CMS, TRAMS, FAS VMx applications • Strong knowledge of COBOL JCL, VSAM and CICS • Well versed with Mainframe technologies such as Endeavor, Changeman • Experience in design and development of medium complex problems • Strong interpersonal and communications skills Personal Besides the professional qualifications of the candidates we place great More ❯

Paladign/Mainframe Developer Duration: initial 1 year contract Workload: Full time hours Setup: Contractor inside IR35 Location: Hybrid – 3 days/week onsite, 2 days remote We’re urgently seeking a seasoned Paladign/Mainframe Developer to support and enhance a core wealth management system used by our client in the financial services sector. Key Responsibilities: Analyse business requirements More ❯

Paladign/Mainframe Developer Duration: initial 1 year contract Workload: Full time hours Setup: Contractor inside IR35 Location: Hybrid – 3 days/week onsite, 2 days remote We’re urgently seeking a seasoned Paladign/Mainframe Developer to support and enhance a core wealth management system used by our client in the financial services sector. Key Responsibilities: Analyse business requirements More ❯

Paladign/Mainframe Developer Duration: initial 1 year contract Workload: Full time hours Setup: Contractor inside IR35 Location: Hybrid – 3 days/week onsite, 2 days remote We’re urgently seeking a seasoned Paladign/Mainframe Developer to support and enhance a core wealth management system used by our client in the financial services sector. Key Responsibilities: Analyse business requirements More ❯