17 of 17 Remote Mainframe Jobs in the UK

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 (dnguyen@gibbsconsulting.com) at Gibbs Consulting for a confidential chat to know more details about the role. Please also note: Due to More ❯

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 ❯

acquire the remainder on the job. TAL, pTAL, COBOL85, SCOBOL, TACL, C/C++. Guardian, OSS, EMS, DDL, Escribe, FUP, TS/MP (Pathway), Inspect, TMF. Experience of IBM mainframe systems would be beneficial. Benefits Competitive salary based on demonstrated skills. Flexible working hours and location. Multicultural and friendly working environment. The opportunity to be a key member of our 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 ❯

Mainframe Engineer - OPSMVS - CA - REXX - 6 months - UK based remote I have an immediate opportunity for a Mainframe Engineer to join an ongoing migration project moving from Broadcom to BMC products. This is a 6-month contract role, offering fully remote working, but applicants must be based in the UK. I am keen to speak with candidate who have: Strong … knowledge of Mainframe systems, including: OPSMVS CA-View and CA-Deliver REXX General Mainframe operations (JCL, ISPF, JES2, z/OS) Proven experience with Mainframe System Automation software administration. Desirable Skills Familiarity with: BMC AMI Ops Automation and Control-M Output Management I-Dash for CA7 administration SAS, REST APIs, and Windows Server ServiceNow and ITIL processes Agile methodologies Basic 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 ❯

Contract Role: Endevor Administrator (Mainframe) Location: Hybrid - Manchester (2 days onsite per week) Duration: 6 months initial contract Rate: £350/day (Inside IR35) Eligibility: BPSS clearance required We are seeking an experienced Endevor Administrator to manage and support Mainframe source code management using CA Endevor. The successful candidate will be responsible for maintaining environments, supporting development teams, and ensuring … smooth release and deployment processes across multiple LPARs. This role offers the opportunity to work within a collaborative technical environment, contributing to essential Mainframe and release management operations. Key Responsibilities Administer and maintain CA Endevor environments across multiple LPARs. Manage version control and change management processes for Mainframe applications. Create and maintain processor groups, element types, and Endevor exits. Perform … production deployments. Document procedures, configurations, and troubleshooting steps. Ensure compliance with internal controls and regulatory standards. Required Skills and Experience Minimum of 8 years' experience in Endevor administration or Mainframe system support. Strong working knowledge of JCL, TSO/ISPF, REXX, and CLIST. Experience with ACF2 or RACF for security administration. Familiarity with Tivoli Storage Manager or similar backup tools. More ❯

Contract Role: Endevor Administrator (Mainframe) Location: Hybrid - Manchester (2 days onsite per week) Duration: 6 months initial contract Rate: £350/day (Inside IR35) Eligibility: BPSS clearance required We are seeking an experienced Endevor Administrator to manage and support mainframe source code management using CA Endevor. The successful candidate will be responsible for maintaining environments, supporting development teams, and ensuring … smooth release and deployment processes across multiple LPARs. This role offers the opportunity to work within a collaborative technical environment, contributing to essential mainframe and release management operations. Key Responsibilities Administer and maintain CA Endevor environments across multiple LPARs. Manage version control and change management processes for mainframe applications. Create and maintain processor groups, element types, and Endevor exits. Perform … production deployments. Document procedures, configurations, and troubleshooting steps. Ensure compliance with internal controls and regulatory standards. Required Skills and Experience Minimum of 8 years’ experience in Endevor administration or mainframe system support. Strong working knowledge of JCL, TSO/ISPF, REXX, and CLIST. Experience with ACF2 or RACF for security administration. Familiarity with Tivoli Storage Manager or similar backup tools. More ❯

Mainframe System Automation Engineer Start: 11/24/2025 End: 05/29/2026 Inside IR35 Nottingham Mainframe System Automation Engineer (OPSMVS) required for an initial 12 - 18-month role with our blue-chip Financial Services client. The right candidate must have demonstrable experience in Mainframe Automation & Operations, OPSMVS, REXX and ideally some experience in CA-View & CA … company, and the role can be worked fully remotely. There may be a requirement to be on-call at certain points, but the role is Monday - Friday. Essential Skills: Mainframe Automation OPSMVS REXX Mainframe Operations (ISPF, JCL, z/OS etc.) Desirable Skills: CA-View/CA-Deliver I-Dash Administration Splunk (nice to have) This is a long-term More ❯

Mainframe System Automation Engineer Start: 11/24/2025 End: 05/29/2026 Inside IR35 Nottingham Mainframe System Automation Engineer (OPSMVS) required for an initial 12 - 18-month role with our blue-chip Financial Services client. The right candidate must have demonstrable experience in Mainframe Automation & Operations, OPSMVS, REXX and ideally some experience in CA-View & CA … company, and the role can be worked fully remotely. There may be a requirement to be on-call at certain points, but the role is Monday - Friday. Essential Skills: Mainframe Automation OPSMVS REXX Mainframe Operations (ISPF, JCL, z/OS etc.) Desirable Skills: CA-View/CA-Deliver I-Dash Administration Splunk (nice to have) This is a long-term More ❯

Security Analyst - Mainframe RACF Location: Welwyn Garden City (Shire Park) - Hybrid Working Function: Technology Security and Capability Duration- fixed term contract - 6 months About the role We're seeking a skilled Mainframe Security Analyst to join a Security Operations & Detections team at one of the UK's leading retail organisations. You'll play a key role in protecting their mainframe … environments by supporting security initiatives, maintaining access controls, and responding to security alerts. Working closely with colleagues across Technology and the wider business, you'll help ensure their mainframe platforms remain secure, resilient, and well-controlled. This is a fantastic opportunity to contribute to large-scale enterprise security in a complex, high-impact environment. What you'll be doing Responding … to user requests and incidents in the RACF ticketing system. Reviewing and processing change requests for RACF access. Monitoring daily tasks and controls to maintain operational efficiency. Responding to mainframe security alerts. Administering RACF Role-Based Access Control (RBAC) and Privileged Access Management (PAM) systems. Managing access recertification with data owners. Creating and maintaining internal documentation, including runbooks, processes, and More ❯

Security Analyst – Mainframe RACF Location: Welwyn Garden City (Shire Park) – Hybrid Working Function: Technology Security and Capability Duration- fixed term contract – 6 months About the role We’re seeking a skilled Mainframe Security Analyst to join a Security Operations & Detections team at one of the UK’s leading retail organisations. You’ll play a key role in protecting their mainframe … environments by supporting security initiatives, maintaining access controls, and responding to security alerts. Working closely with colleagues across Technology and the wider business, you’ll help ensure their mainframe platforms remain secure, resilient, and well-controlled. This is a fantastic opportunity to contribute to large-scale enterprise security in a complex, high-impact environment. What you’ll be doing Responding … to user requests and incidents in the RACF ticketing system. Reviewing and processing change requests for RACF access. Monitoring daily tasks and controls to maintain operational efficiency. Responding to mainframe security alerts. Administering RACF Role-Based Access Control (RBAC) and Privileged Access Management (PAM) systems. Managing access recertification with data owners. Creating and maintaining internal documentation, including runbooks, processes, and 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 ❯

Mainframe Engineer - OPSMVS - CA - REXX - 6 months - UK based remote I have an immediate opportunity for a Mainframe Engineer to join an ongoing migration project moving from Broadcom to BMC products. This is a 6-month contract role, offering fully remote working, but applicants must be based in the UK click apply for full job details More ❯

Mainframe Systems Automation Engineer - Migration Project Contract: 6 months (likely extension) Location: Primarily remote working (occasional office visits in Nottingham) Start: ASAP We're looking for an experienced Systems Automation Engineer to support a major Mainframe migration project. You'll be joining during a critical phase of the project, helping to deliver through UAT, testing and decommissioning stages. Most of … software. Collaborate with internal stakeholders to ensure delivery milestones are met. Work flexibly, including occasional Sunday evening support during critical cutovers. What We're Looking For: Strong knowledge of Mainframe systems. Experience with OPSMVS, CA-View, CA-Deliver or Control-M. REXX experience highly desirable. Background in system automation, migrations or output management. Excellent communication and problem-solving skills. Splunk More ❯

Mainframe System Automation Engineer – Remote (UK) – 6 month contract (Inside ir35) - £500-£525 per day Meraki Talent have partnered with one of their global financial as they look to add support to their mainframe team. They are in the process of migrating their core Broadcom software to an AMI Ops Tool and need some additional support as this project progresses. … They are looking for a Mainframe System Automation Engineer who has experience of system migrations and automation. This is an initial 6 month contract which may be extended, depending on the how the project goes in terms of time and budget. They need someone in asap so if you are immediately available that would be ideal. Experience Experience of AMI More ❯