Mainframe Datacom Engineer

Experis IT; United Kingdom; Remote; GBP 101,000 - 105,000; Full time

Job summary

Experis IT seeks an experienced Mainframe Datacom Engineer to support a large-scale Datacom environment. You will manage Broadcom Datacom/CA Datacom databases on IBM z/OS, perform performance tuning and troubleshooting, and ensure reliable BAU operations.

The role requires strong Datacom experience, hands-on patching and maintenance, and Spanish language skills. Remote work aligns with Mexico-aligned hours and enterprise-scale operations.

Qualifications

• Broadcom Datacom/CA Datacom experience essential.
• Datacom DBA and/or System Programmer background required.
• IBM z/OS and JCL knowledge is necessary.
• Spanish language skills are essential for this position.
• Experience supporting enterprise Mainframe environments preferred.
• Datacom patching, maintenance and system support experience.

Responsibilities

• Administer and maintain Broadcom Datacom databases within IBM z/OS environments.
• Diagnose, troubleshoot, and resolve Datacom issues.
• Perform backup, recovery, restore and administration activities.
• Analyse and optimise database and query performance.
• Support Datacom patching, maintenance, upgrades, and validation.
• Provide technical consultancy to application and infrastructure teams.
• Conduct root cause analysis and implement fixes.
• Maintain runbooks and technical documentation.
• Ensure service stability across production environments.

Skills

Spanish language

Troubleshooting

Production systems

Datacom DBA

Performance tuning

Backup & Recovery

Query optimisation

JCL

IBM z/OS

Patching maintenance

Mexico hours

Tools

Broadcom Datacom/CA Datacom

IBM z/OS

JCL

IBM Db2

Job description

Mainframe Datacom Engineer

Rate: £550.00 - £570.00 per day (Inside IR35)
Location: Remote
Clearance Required: Eligible for BPSS

The Opportunity

We're looking for an experienced Mainframe Datacom Engineer with strong Broadcom Datacom (CA Datacom) expertise to provide hands-on support for a large-scale enterprise Mainframe environment.

This is a specialist DBA/System Programming role focused on the ongoing support, maintenance, performance optimisation, and administration of an existing Datacom platform. The successful candidate will be expected to quickly assume ownership of BAU activities and operate with minimal supervision.

Spanish language skills are essential for this position.

Key Responsibilities

• Administer and maintain Broadcom Datacom databases within IBM z/OS environments.
• Diagnose, troubleshoot, and resolve Datacom database and platform issues.
• Perform database backup, recovery, restore, and administration activities.
• Analyse and optimise database and query performance.
• Support Datacom patching, maintenance, upgrades, and validation activities.
• Provide technical consultancy and support to application and infrastructure teams.
• Conduct root cause analysis and implement permanent fixes.
• Maintain operational procedures and technical documentation.
• Ensure service stability across critical production environments.

Essential Skills & Experience

• Strong hands-on experience with Broadcom Datacom/CA Datacom.
• Proven experience as a Datacom DBA and/or System Programmer.
• Extensive experience with:
  • Database Administration
  • Backup & Recovery
  • Performance Tuning
  • Database Restoration
  • Query Optimisation
• Hands-on Datacom patching, maintenance, and system support experience.
• Strong knowledge of IBM z/OS and JCL.
• Ability to independently troubleshoot and resolve complex technical issues.
• Experience supporting enterprise-scale production environments.
• Spanish language skills.
• Ability to work Mexico-aligned business hours.

Desirable Skills

• IBM Db2 knowledge.
• Experience supporting large-scale financial services or enterprise Mainframe estates.
• Experience working within highly regulated environments.

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