Senior Mainframe Performance & Scalability Expert

Advanced Resource Managers Ltd; Greater London; Hybride; GBP 96 000 - 165 000; Plein temps

Résumé du poste

Advanced Resource Managers Ltd in London seeks a senior Mainframe Performance & Scalability SME to lead a focused assessment for a major UK financial services client. The role is a 6-month contract, Inside IR35, with hybrid working 2–3 days on site.

You will diagnose scalability risks from production evidence, focusing on Db2 for z/OS, CICS, and related components, and drive technical discussions with client architects and operations SMEs to define targeted improvements.

Qualifications

• Deep practical experience in Db2 for z/OS performance and scalability.
• Strong understanding of CICS workload behavior and Db2 integration.
• Experience with mainframe capacity planning and workload management.
• Familiarity with TLS/cryptography on IBM Z and hardware migrations.
• Proven observability and diagnostics skills using mainframe APM tools.

Responsabilités

• Lead a focused assessment for a major UK financial services client.
• Diagnose scalability risks from production evidence and architect discussions.
• Assess Db2, CICS, and batch processing for growth and capacity headroom.
• Recommend remediation steps before further infrastructure investments.
• Articulate evidence-based conclusions to client architects and operations SMEs.

Connaissances

Db2 for z/OS performance

CICS performance

Mainframe capacity planning

Observability & diagnostics

Outils

RMF

SMF

WLM

MSU analysis

Dynatrace

Datadog

MainView / BMC AMI

CICS monitoring

Description du poste

Advanced Resource Managers Ltd in London seeks a senior Mainframe Performance & Scalability SME to lead a focused assessment for a major UK financial services client. The role is a 6-month contract, Inside IR35, with hybrid working 2–3 days on site.

You will diagnose scalability risks from production evidence, focusing on Db2 for z/OS, CICS, and related components, and drive technical discussions with client architects and operations SMEs to define targeted improvements.