17 of 17 Contract Mainframe Jobs

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 ❯

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 ❯

Senior Site Reliability Coach 6 months Remote £Negotiable - INSIDE IR35 Tech Stack Multiple Platforms and Applications AWS and Azure - Cloud Mainframe skills would be handy Latest applications on Cloud Dev Ops skills would be helpful Attitude of being part of the team and owning the outcomes Advocate - to change the culture to SRE Disclaimer: This vacancy is being advertised by 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 ❯

the technical team on development and implementation journeys. The role is centered on enabling and securing data flows between various enterprise systems, including mobile applications, cloud services, and legacy mainframe systems click apply for full job details 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 ❯

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 ❯

for an experienced Endevor Administrator to join a leading organisation on a six-month contract. This role offers the chance to play a key part in maintaining and supporting Mainframe source code management systems within a collaborative and technically skilled environment. Key responsibilities include: Administering and maintaining CA Endevor environments across multiple LPARs. Managing version control and change management processes … for Mainframe applications. Creating and maintaining processor groups, element types, and Endevor exits. Performing installations, upgrades, and configuration of Endevor software. Automating deployment, shipment, and archiving processes. Providing technical support, guidance, and training to development teams and users. Monitoring system performance and ensuring appropriate backups and storage capacity. Collaborating with release management teams to support production deployments. Documenting configurations, procedures … and troubleshooting guides. Ensuring compliance with internal standards and regulatory requirements. Required Skills/Experience: Proven experience in Endevor administration or Mainframe 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 equivalent backup tools. Proven problem-solving and communication skills. Experience with automation More ❯

in Manchester. Please find some details below: MUST BE PAYE THROUGH UMBRELLA Role Description: We are seeking a skilled and detail-oriented Endevor Administrator to manage and support our Mainframe source code management system using CA Endevor. The ideal candidate will be responsible for maintaining environments, supporting development teams, and ensuring smooth release and deployment processes. 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 installations, upgrades, and configuration of Endevor software. Automate deployment, shipment, and archiving processes. Provide technical support and training to developers and users. Monitor system performance and ensure adequate space and backups. Collaborate … teams to support production deployments. Document procedures, configurations, and troubleshooting guides. Ensure compliance with internal policies and external regulations. Required Qualifications: 8+ years of experience in Endevor administration or Mainframe support. Strong 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. Excellent problem More ❯

z/OS Systems Programmer (Mainframe) - Fully Remote - Contract We are looking for an experienced z/OS Systems Programmer to join our team, supporting the migration, installation, maintenance, and performance optimisation of IBM z/OS environments. This role is critical to ensuring reliability, security, and efficiency across our Mainframe infrastructure, while contributing to modernisation and compliance initiatives. Responsibilities … Install, configure, and maintain z/OS, JES2, SMP/E, and RACF Manage system patches, upgrades, and performance tuning Troubleshoot and resolve complex Mainframe systems issues Support integrations, migrations, and deployments across the platform Ensure adherence to security policies and regulatory compliance Collaborate with technical teams to deliver efficient and secure solutions Key Skills & Experience Strong experience in z …/OS systems programming Proficiency with JCL, REXX, CLIST, and SMP/E Hands-on experience with RACF administration Demonstrable ability to manage and troubleshoot enterprise Mainframe environments Experience with ISV tools such as Broadcom, BMC, or equivalent (desirable) This is an urgent contract, please apply immediately if you are interested. More ❯

environment issues related to the Hermes project, focusing on DataPower appliances and related infrastructure.- Develop, configure, and maintain IBM DataPower Gateway services to meet project requirements.- Collaborate closely with mainframe teams to understand interdependencies and troubleshoot integration points where necessary.- Monitor AWS cloud resources including CloudWatch for logging and alerting, DynamoDB for database management, and AWS Lambda for serverless compute … automation using but not limited to Python, Shell scripting, Gitlab pipeline Required Skills and Qualifications: - Proven experience in IBM DataPower development, configuration, and troubleshooting within enterprise environments.- Familiarity with mainframe systems, integration with DataPower where applicable.- Good working knowledge of AWS services, particularly CloudWatch, DynamoDB, and Lambda, including monitoring, troubleshooting, and optimisation.- Excellent verbal and written communication skills to effectively More ❯

the technical team on development and implementation journeys. The role is centered on enabling and securing data flows between various enterprise systems, including mobile applications, cloud services, and legacy mainframe systems. Your Responsibilities: Provide expert support and timely resolution of environmental issues related to the project, focusing on DataPower appliances and related infrastructure. Develop, configure, and maintain IBM DataPower Gateway … services to meet project requirements. Collaborate closely with mainframe teams to understand interdependence and troubleshoot integration points where necessary. Monitor AWS cloud resources including CloudWatch for logging and alerting, DynamoDB for database management, and AWS Lambda for serverless compute tasks related to project workflows. Implement best practices for environment stability, performance tuning, and security compliance. Produce detailed technical documentation, status … limited to Python, Shell scripting, GitLab pipeline. Your Profile Essential Skills/Knowledge/Experience: Proven experience in IBM DataPower development, configuration, and troubleshooting within enterprise environments. Familiarity with mainframe systems and integration with DataPower where applicable. Good working knowledge of AWS services, particularly CloudWatch, DynamoDB, and Lambda, including monitoring, troubleshooting, and optimisation. Excellent verbal and written communication skills to More ❯