Remote Mainframe Datacom Engineer (IBM Z)

CBSbutler Holdings Limited trading as CBSbutler; United Kingdom; Remote; GBP 55,000 - 92,000; Part time

Job summary

CBSbutler is seeking an experienced Mainframe Datacom Engineer to support critical banking applications within a large-scale IBM Z / z/OS environment. You will administer Broadcom Datacom databases and collaborate with global teams across Spain and Latin America.

Ideal candidates will have extensive Datacom and IBM z/OS experience, with COBOL application support and strong problem-solving abilities. Spanish language skills are highly desirable for this role that is fully remote from the UK.

Qualifications

• Strong hands-on experience with Broadcom Datacom / CA Datacom.
• Extensive IBM z/OS experience and knowledge of JCL, TSO/ISPF, SDSF, CICS, VSAM, RACF.
• Experience supporting COBOL applications and performance tuning.
• Experience working in large-scale enterprise or regulated environments.

Responsibilities

• Administer and support Broadcom Datacom / CA Datacom databases on z/OS.
• Perform database provisioning, configuration, monitoring, capacity planning and performance tuning.
• Undertake backup, recovery, reorganisation and database maintenance using Datacom utilities.
• Monitor availability and proactively resolve database and application performance issues.
• Support incident, problem and change management processes.
• Support IBM Z infrastructure, batch processing and associated mainframe technologies.
• Work with JCL, TSO/ISPF, SDSF, CICS, VSAM and RACF.
• Support COBOL-based applications and troubleshoot database/application issues.
• Assist with application releases, technical design and performance optimisation.
• Participate in disaster recovery and business continuity exercises.
• Contribute to mainframe modernisation, automation, API enablement, CI/CD and DevOps initiatives.
• Identify opportunities to improve operational efficiency through scripting and automation.

Skills

Automation scripting

Spanish language skills

Problem-solving

Documentation

Stakeholder management

Tools

Broadcom Datacom / CA Datacom

IBM z/OS

JCL

TSO/ISPF

SDSF

CICS

VSAM

RACF

COBOL

Git

Jenkins

Ansible

UrbanCode

Job description

CBSbutler is seeking an experienced Mainframe Datacom Engineer to support critical banking applications within a large-scale IBM Z / z/OS environment. You will administer Broadcom Datacom databases and collaborate with global teams across Spain and Latin America.

Ideal candidates will have extensive Datacom and IBM z/OS experience, with COBOL application support and strong problem-solving abilities. Spanish language skills are highly desirable for this role that is fully remote from the UK.