cobol mainframe developer jobs in United Kingdom

You will be required to attend our client’s site three days per week.

You will see yourself: Identifying problems and potential resolutions to support end users

You will be successful in this role if you have:

You will be expected to participate in an out-of-hours on-call rota to provide 24x7 support of the applications

A technology services provider is seeking an experienced Mainframe Project Manager in Sheffield to lead complex projects like COBOL/CICS/DB2 modernization. The ideal candidate will demonstrate hands-on experience in z/OS environments and a solid track record of delivering projects within scope and budget, employing effective governance and risk management. This full-time position requires...

Role Details - Role/Job Title: Mainframe Automation Administrator - Work Location: Bracknell - Role Type: Contracting - Mode of Working: Office Based The Role This role is responsible for implementing, and maintaining automated operations within IBM mainframe environments using CA OPS/MVS. The role focuses on developing automation policies, scripts, and REXX-based solutions to monitor system...

Role Details Role/Job Title: Mainframe Automation Administrator Work Location: Bracknell Role Type: Contracting Mode of Working: Office Based The Role This role is responsible for implementing, and maintaining automated operations within IBM mainframe environments using CA OPS/MVS. Apply promptly! A high volume of applicants is expected for the role as detailed below, do not wait to send your...

A recruitment agency is seeking an experienced Lead RPG Developer for a permanent position in the UK. The role involves leading a team of iSeries Developers and requires expertise in RPG, Cobol, SQL, and AS400 systems. The successful candidate will oversee project delivery while fostering team growth. A competitive salary of up to £62,500 per annum is offered. This is an excellent opportunity for...

You will be a part of a global IT service leader and will work on large-scale projects for our clients.

Job Title: Mainframe Developer – CICS Web Services Location: Edinburgh (Hybrid) Employment Type: Contract Role Overview We are seeking an experienced Mainframe Developer with strong expertise in CICS Web Services to design, develop, implement, and maintain mission-critical applications. The ideal candidate will have in-depth knowledge of COBOL, CICS, JCL, DB2, and Web Services (SOAP/REST),...

The Applications Development Senior Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities. Responsibilities: Conduct tasks...

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You will enjoy a comprehensive, locally competitive benefits package.

Mainframe Cyber Security Engineer - RACF Join to apply for the Mainframe Cyber Security Engineer - RACF role at Tesco About the role We are seeking a skilled Mainframe Security Engineer to join our team. As part of the Mainframe RACF Security team, the ideal candidate will help ensure the security and integrity of our mainframe systems and will implement security measures, monitor and remediate...

The Amazon Web Services Professional Services (ProServe) team is seeking a skilled Delivery Consultant – Mainframe Migration to join our team at Amazon Web Services (AWS). In this role, you'll work closely with customers to design, implement, and manage AWS solutions that meet their technical requirements and business objectives. You'll be a key player in driving customer success through their...

You will be supporting applications that underpin our Retail and SME customer product suite, as well as functionality which is fundamental to the running of the Bank. In this role, you will be responsible for providing day-to-day support and development to our Command-and-Control services, with a specific focus on the mainframe element of the solution.

Sr. Project Manager with Mainframe expertise to manage the delivery of large-scale projects involving legacy systems modernization, infrastructure upgrades, and application migrations for our banking client Location: Scarborough, ON (Hybrid) - 1 to 2 days in office Duration: 12 Months Hours: 37.5 hours /week Summary We are seeking a seasoned Senior Project Manager with expertise in mainframe...

Mainframe Cyber Security Engineer - RACF About the role Help design, implement, and maintain security policies and procedures for mainframe systems. Monitoring mainframe security logs and alerts to detect and respond to potential security incidents. Recommend remediation strategies and remediate vulnerabilities. Participate in incident response activities, including investigation and...

You will enjoy a comprehensive, locally competitive benefits package.

You will bring deep expertise in mainframe technologiesand enterprise IT systems, combining hands-on technical capability with strategic thinking. Whether you focus on designing architectures, leading transformation projects, or implementing and optimising critical systems, your work will make a real difference.

A global ICT consultancy is seeking a Senior Software Engineer for a 6-month contract. Working mostly remote with two days onsite each week in either Glasgow, London, or Newcastle, the ideal candidate should have extensive experience in COBOL development and hands-on expertise with FIS Systematics. This role involves designing and supporting core banking applications while collaborating with...

A leading technology company is seeking a Senior Mainframe Project Manager for a hybrid role based in the UK, combining remote work and onsite in Sheffield or London. The ideal candidate will manage large-scale mainframe projects, oversee planning and execution, and ensure alignment with business goals. Strong expertise in mainframe technologies such as COBOL and DB2, along with exceptional...

We are seeking an experienced Mainframe Project Manager to lead and deliver complex mainframe initiatives on a contract basis. The ideal candidate will have hands‐on experience with z/OS environments, IBM Z tooling, and a proven track record of delivering on‐time, within‐scope, and within‐budget projects through effective governance, risk management, and stakeholder engagement. Key...