Lead Virtualisation Engineer – Site Reliability Engineering

About the role

Mastercard’s Payments Network Site Reliability Engineering (SRE) team is looking for a Lead Virtualisation Engineer. In this role you will continuously assess and improve the service quality of the platform’s virtualization technologies, providing strategic insights on resource utilisation, capacity forecasting and performance trends to ensure high availability, scalability and resilience of critical payment applications.

Key responsibilities

• Lead ongoing health, performance and capacity assessments of VMware hypervisors and Pivotal Cloud Foundry clusters supporting Mastercard applications.
• Collaborate with product and development teams to forecast growth requirements and drive scalability initiatives.
• Conduct regular incident reviews, identify root causes and develop remediation or mitigation strategies for recurring failures or compatibility issues.
• Champion observability by identifying gaps in monitoring and alerting, designing and implementing solutions to integrate telemetry into a unified system.

Required profile

• Proven experience leading virtualization assessments and capacity planning in a large‑scale, high‑traffic environment.
• Strong analytical mindset with the ability to translate performance data into actionable recommendations.
• Excellent collaboration skills to work with cross‑functional product, development and support teams.

Required skills

• VMware hypervisor technology
• Pivotal Cloud Foundry
• Capacity forecasting and performance analysis
• Incident management and root‑cause analysis
• Observability, monitoring and alerting frameworks
• Telemetry integration