> Markdown version of [/jobs/ext/3904050-mainframes-developer](https://www.wearedevelopers.com/jobs/ext/3904050-mainframes-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mainframes Developer - **Company:** CGI Group Inc. - **Location:** UK - **Experience:** Expert - **Salary:** £64,883.0 - **Contract:** Permanent contract - **Skills:** Customer Information Control System (CICS), COBOL (Programming Language), IBM DB2, Software Debugging, Job Control Language (JCL), IBM Mainframe, Mainframes, SQL Databases, Virtual Storage Access Methods, Extensible Markup Language (XML), Z/OS, Tso/ispf, Information Technology - **Published:** October 24, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5210480121 ## About the Role We are looking for an experienced Mainframe Developer to join our team. The ideal candidate should be passionate about coding and developing scalable and high-performance applications. You will work closely with our front-end developers, designers, and other members of the team to deliver quality solutions that meet the needs of our clients. Qualification: Bachelor's degree in Computer Science or related field or higher with minimum 3 years of relevant experience. Your future duties and responsibilities * 6+ years relevant experience in Mainframe, COBOL, JCL, CICS, CA-7, VSAM. Experience with IMS / DB2 / CICS / MQ experience and anything with z/OZ connect * Experience in Coding, QA, Testing and ability to work in a high-volume capacity * Complete understanding and wide application of technical principles, theories and concepts in the field * Ability to provide and implement technical solutions to a wide range of difficult problems * Solutions are innovative, thorough, practical and consistent with organizational objectives * Ability to lead discussions with all levels of the organization and provide balanced information of an idea or communication of an issue regardless of written or verbal * Hands on experience in DB2 * Hands on experience with webservice integration is preferred. * Lead efforts to develop standard practices, components, guidelines for use of complex technology components. * Lead actions to determine root cause of problems and drive resolution. * Knowledge to use CICS analysis and performance tool like TMON is desirable. * Knowledge to use DB2 performance tool like BMC MAINVIEW is desirable * Technology: * IBM Mainframe System - COBOL, JCL, CICS, SQL, z/OS,CA7, VSAM, XML, TSO/ISPF, ROSCOE * Expertise in JCL, JES * IT Tools - IBM Debug tool for z/OS, IBM Fault Analyzer. Required Qualifications To Be Successful In This Role Skills Need : Primary Skill: COBOL, JCL, CICS, SQL, z/OS, CA7, VSAM Secondary Skill: IMS / DB2 / CICS / MQ Experience: 6 to 8 years