Senior Mainframe Performance & Scalability SME

McGregor Boyall; Greater London; Hybride; GBP 129 000 - 203 000; Plein temps

Résumé du poste

McGregor Boyall in London is seeking a Senior Mainframe SME to conduct strategic assessments of a large IBM Mainframe environment, focusing on performance and scalability for pension administration services.

The role requires deep expertise across z/OS, Db2 for z/OS and CICS, RMF/SMF analysis, and capacity planning. You will work with architecture, engineering and operations, delivering data-driven recommendations and roadmaps within a hybrid, 6-month rolling contract environment.

Qualifications

• Extensive experience in IBM Mainframe performance engineering (z/OS, CICS, Db2).
• Strong RMF/SMF analysis and capacity planning skills.
• Expertise in analyzing MSU consumption and workload attribution.

Responsabilités

• Conduct end-to-end performance and scalability assessments across IBM Mainframe platforms.
• Analyse workload behaviour across z/OS, CICS, Db2 and batch processing environments.
• Identify current and future capacity constraints, utilisation trends and performance risks.
• Investigate increases in CPU and MSU consumption, including impacts from IBM Z16 upgrades and infrastructure changes.
• Assess workload attribution, licensing implications and optimisation opportunities.
• Lead technical workshops and challenge assumptions through data-driven analysis.
• Produce clear recommendations and prioritised remediation roadmaps.

Connaissances

IBM Mainframe Performance Engineering

z/OS Performance Analysis

Db2 for z/OS Performance & Scalability

CICS Performance Tuning

RMF / SMF Analysis

WLM Policy & Capacity Management

MSU Consumption Analysis

Capacity Planning & Forecasting

Batch Workload Optimisation

Application & Database PerformanceTrou

Outils

OMEGAMON

BMC MainView / AMI

Dynatrace

Datadog

Description du poste

McGregor Boyall in London is seeking a Senior Mainframe SME to conduct strategic assessments of a large IBM Mainframe environment, focusing on performance and scalability for pension administration services.

The role requires deep expertise across z/OS, Db2 for z/OS and CICS, RMF/SMF analysis, and capacity planning. You will work with architecture, engineering and operations, delivering data-driven recommendations and roadmaps within a hybrid, 6-month rolling contract environment.