Environment. Extensive development experience using 64-bit Assembler and 31-bit Assembler programming languages. Experience with C, REXX, Python is a plus Experience with Mainframe environment (TSO/ISPF, JCL etc) , IBM Mainframe z/OS internals (JES2, SMS, HSM); z/OS communications TCP/IP and VTAM and IBM Utilities (IEBGENER, etc.) Working knowledge of mainframe debugging tools More ❯
scale financial services environments. - Strong hands-on development expertise in VisionPLUS, especially within modules such as CMS, FAS, VMX, TRAMS, and IAS. - Proficiency in mainframe technologies including Cobol, CICS, JCL, IAM, VSAM, EZT, and File-Aid/Manager. - Demonstrated experience managing technical teams and liaising with a variety of stakeholders. - Familiarity with governance and reporting structures in a regulated environment. More ❯
Sheffield, Yorkshire, United Kingdom Hybrid / WFH Options
Stott and May
scale financial services environments. - Strong hands-on development expertise in VisionPLUS, especially within modules such as CMS, FAS, VMX, TRAMS, and IAS. - Proficiency in Mainframe technologies including Cobol, CICS, JCL, IAM, VSAM, EZT, and File-Aid/Manager. - Demonstrated experience managing technical teams and liaising with a variety of stakeholders. - Familiarity with governance and reporting structures in a regulated environment. More ❯
Blackpool, Lancashire, United Kingdom Hybrid / WFH Options
Montash
as needed Active participation in daily stand-up calls with client Skills & Experience Required: Proven, recent development experience using these IBM mainframe technologies: PL1 & SYNCSORT DB2 & IMS DB MVS JCL, TSO JobTrac, ENDEVOR, File Manager Experienced interrogating mainframe applications to support data mapping & extraction Strong background in codebase development and legacy system interrogation History of successful, large-scale migration programmes More ❯
below experience and qualifications: Extensive experience of mainframe hardware support and configuration. This is essential to the role Knowledge of z/OS, HMC, HCD, TSO/ISPF, SDSF, JCL, CHPID Mapping tool, JES2 Knowledge of the latest IBM z processor generations z14, z15, z16 Sysplex and Coupling Facility knowledge Experience troubleshooting day-to-day incidents and problems Excellent problem More ❯
languages. Coding experience in a multitasking, reentrant and/or sysplex environment. Experienced creating functional designs/specifications from business requirements. Experience with IBM Mainframe environment (TSO/ISPF, JCL etc.). Excellent knowledge of z/OS structure and logic including knowledge of z/OS operating system internals. Experience in developing working code utilizing low-level operating system More ❯
performance tuning , monitoring, and system stability Desirable Skills: Experience with IDAA , CDC Replication , or DB2 replication tooling Exposure to 24/7 banking production environments Familiarity with parallel Sysplex, JCL, SDSF, and automation tools Working Model & Compliance: UK-based contractors : Fully remote. Must work via umbrella (inside IR35) Denmark-based contractors : Hybrid model, 10 days/month onsite Background checks More ❯
above, the role requires to identify the application regression test cases associated to the below subsystems, hence a deep understanding of the Mainframe systems i.e. DB2, IMS, MQ, COBOL, JCL are essential. Key Responsibilities: Lead end-to-end testing efforts for mainframe applications and APIs. Design and implement testing approach, Test plan, and Review Test cases for mainframe systems involving … data. Identify, document, and track defects using tools like JIRA or HP ALM. Ensure compliance with quality standards and best practices. Required Skills: Strong experience in mainframe testing (COBOL, JCL, DB2). Hands-on experience with IMS/CICS and IBM MQ . Proficiency in API testing using tools like Postman , SoapUI , or ReadyAPI . Experience with test management tools More ❯
