Mainframe Developer
| Posting date: | 01 September 2025 |
|---|---|
| Salary: | £55,000 to £65,000 per year |
| Hours: | Full time |
| Closing date: | 01 October 2025 |
| Location: | Leicester, Leicestershire |
| Remote working: | Fully remote |
| Company: | TESTQ TECHNOLOGIES LTD |
| Job type: | Permanent |
| Job reference: | TQ2425_2134_442 |
Summary
Reference: TQ2425_2134_442
Vacancy: 1
Job title: Mainframe Developer
Location: Leicester
Job Purpose:
TESTQ Technologies is an IT services and Solutions Company whose offerings span over a variety of industry sectors with strong technical, domain, and process expertise helping clients grow their businesses and decrease operational costs on a continuous basis in an ever-changing business environment.
This opportunity is in the solution design and development arena for Mainframe Developer who will be responsible for analyzing, designing, and implementing technical solutions to enhance business operations. To collaborate closely with various stakeholders including business users, project managers, and IT teams to gather requirements, propose solutions, and ensure successful implementation. It will involve troubleshooting technical issues, optimizing systems and processes, and supporting project lifecycles from inception to completion.
Job Description (Main Duties and Responsibilities):
Design, code, test, and debug mainframe applications using technologies such as COBOL, JCL, DB2, CICS, VSAM, and IMS
Analyze user requirements and convert them into technical specifications
Perform code reviews, system analysis, and performance tuning
Modify existing software to correct errors, adapt to new hardware, or improve performance
Collaborate with cross-functional teams for application integration and deployment
Maintain comprehensive documentation of programs and systems
Provide production support and troubleshoot issues as needed
Ensure adherence to coding standards, compliance, and quality assurance policies
Key Skills, Qualifications and Experience Needed [The candidate must demonstrate these in all stages of assessment]
3 years of experience in a related field.
Strong programming experience in COBOL, with working knowledge of Assembler, PL/I, and REXX.
Hands-on expertise in writing and debugging JCL (Job Control Language) for batch processing and job scheduling.
In-depth knowledge of mainframe databases such as DB2, IMS, VSAM, and IDMS, including data manipulation, performance tuning, and data modeling.
Experience with CICS for online transaction processing and MQ Series (WebSphere MQ) for message-based integration between applications.
Proficient in using File-AID, SPUFI, QMF, and DFSORT/SYNCSORT for data management, extraction, and reporting.
Skilled in debugging tools such as XPEDITER, Abend-AID, and IBM Debug Tool for efficient issue resolution and troubleshooting.
Experience with version control and configuration management tools like Endevor, Changeman, Panvalet, or Librarian.
Familiar with job scheduling tools such as CA-7, Control-M, or OPC/Tivoli Workload Scheduler.
Exposure to mainframe modernization technologies, including working with REST APIs, SOAP/XML, and JSON parsing in COBOL.
Understanding of z/OS Connect for API enablement on mainframe environments.
Familiarity with DevOps and CI/CD practices on mainframe platforms using tools like Jenkins, UrbanCode Deploy, Git, and SonarQube.
Basic knowledge of containerization (Docker, Kubernetes) and IBM Zowe CLI or z/OSMF is a plus.
Experience working in Agile or SAFe environments, with a good grasp of SDLC and version control processes.
Prior exposure to incident/change management systems like ServiceNow or BMC Remedy.
Understanding of regulatory compliance requirements (e.g., SOX, GDPR) especially in BFSI or other regulated industries.
Other Key skills:
Good analytical and Problem-solving skills
Good communication skills
A thorough approach and Self starter
Focus on quality and delivery
Working together in teams.
Leadership and effective decision making.
Flexible Attitude
Excellent customer service
Qualifications: Bachelor's degree or above in the UK or Equivalent.
Salary: GBP 55000 to 65000 per annum
Published Date: 01 September 2025
Closing Date: 30 September 2025
Evaluation: CV Review, Technical Test, Personal and Technical Interview and References
Job Type: Full-time, Permanent [Part time and Fixed Term option is available]
Vacancy: 1
Job title: Mainframe Developer
Location: Leicester
Job Purpose:
TESTQ Technologies is an IT services and Solutions Company whose offerings span over a variety of industry sectors with strong technical, domain, and process expertise helping clients grow their businesses and decrease operational costs on a continuous basis in an ever-changing business environment.
This opportunity is in the solution design and development arena for Mainframe Developer who will be responsible for analyzing, designing, and implementing technical solutions to enhance business operations. To collaborate closely with various stakeholders including business users, project managers, and IT teams to gather requirements, propose solutions, and ensure successful implementation. It will involve troubleshooting technical issues, optimizing systems and processes, and supporting project lifecycles from inception to completion.
Job Description (Main Duties and Responsibilities):
Design, code, test, and debug mainframe applications using technologies such as COBOL, JCL, DB2, CICS, VSAM, and IMS
Analyze user requirements and convert them into technical specifications
Perform code reviews, system analysis, and performance tuning
Modify existing software to correct errors, adapt to new hardware, or improve performance
Collaborate with cross-functional teams for application integration and deployment
Maintain comprehensive documentation of programs and systems
Provide production support and troubleshoot issues as needed
Ensure adherence to coding standards, compliance, and quality assurance policies
Key Skills, Qualifications and Experience Needed [The candidate must demonstrate these in all stages of assessment]
3 years of experience in a related field.
Strong programming experience in COBOL, with working knowledge of Assembler, PL/I, and REXX.
Hands-on expertise in writing and debugging JCL (Job Control Language) for batch processing and job scheduling.
In-depth knowledge of mainframe databases such as DB2, IMS, VSAM, and IDMS, including data manipulation, performance tuning, and data modeling.
Experience with CICS for online transaction processing and MQ Series (WebSphere MQ) for message-based integration between applications.
Proficient in using File-AID, SPUFI, QMF, and DFSORT/SYNCSORT for data management, extraction, and reporting.
Skilled in debugging tools such as XPEDITER, Abend-AID, and IBM Debug Tool for efficient issue resolution and troubleshooting.
Experience with version control and configuration management tools like Endevor, Changeman, Panvalet, or Librarian.
Familiar with job scheduling tools such as CA-7, Control-M, or OPC/Tivoli Workload Scheduler.
Exposure to mainframe modernization technologies, including working with REST APIs, SOAP/XML, and JSON parsing in COBOL.
Understanding of z/OS Connect for API enablement on mainframe environments.
Familiarity with DevOps and CI/CD practices on mainframe platforms using tools like Jenkins, UrbanCode Deploy, Git, and SonarQube.
Basic knowledge of containerization (Docker, Kubernetes) and IBM Zowe CLI or z/OSMF is a plus.
Experience working in Agile or SAFe environments, with a good grasp of SDLC and version control processes.
Prior exposure to incident/change management systems like ServiceNow or BMC Remedy.
Understanding of regulatory compliance requirements (e.g., SOX, GDPR) especially in BFSI or other regulated industries.
Other Key skills:
Good analytical and Problem-solving skills
Good communication skills
A thorough approach and Self starter
Focus on quality and delivery
Working together in teams.
Leadership and effective decision making.
Flexible Attitude
Excellent customer service
Qualifications: Bachelor's degree or above in the UK or Equivalent.
Salary: GBP 55000 to 65000 per annum
Published Date: 01 September 2025
Closing Date: 30 September 2025
Evaluation: CV Review, Technical Test, Personal and Technical Interview and References
Job Type: Full-time, Permanent [Part time and Fixed Term option is available]