Lead Performance Test Engineer

Scrumconnect Limited; Greater London; On-site; GBP 85,000 - 120,000; Full time

Job summary

Scrumconnect Consulting is seeking a Lead Performance Tester / Performance Engineering Lead to own performance testing and assurance across complex digital services.

You will define strategy, lead testing activities, and provide recommendations on production readiness in a multi-cloud, governed environment.

Qualifications

• Extensive experience leading performance testing for large-scale systems.
• Strong background in performance engineering, not just tool execution.
• Proven ability to make design and architectural recommendations.

Responsibilities

• Own the performance testing strategy for assigned services or programmes.
• Lead volumetric analysis, performance risk assessment, and test scoping.
• Define entry/exit criteria, success measures, and acceptance recommendations.
• Provide performance engineering expertise, including architectural input.
• Lead and coordinate load, stress, soak, and scalability testing activities.
• Oversee integration of performance testing into CI/CD pipelines.
• Analyse results and lead root-cause analysis of systemic performance issues.
• Produce and sign off Test Completion Reports and readiness assessments.
• Engage with senior stakeholders, architects, and governance forums.
• Support Operational Acceptance Testing (OAT) and live readiness.
• Drive continuous improvement, innovation, and best practices in performance

Skills

Performance testing

Performance engineering

AWS

Distributed systems

Microservices

Stakeholder engagement

Governed environments

Leadership

CI/CD

Job description

About Scrumconnect Consulting

Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens. With a strong commitment to user-centred design and agile delivery, and more to deliver innovative digital services that matter.

Role Overview

We are seeking a Lead Performance Tester / Performance Engineering Lead to provide end-to-end ownership of performance testing and performance assurance across complex digital services.

This role acts as the performance authority , accountable for defining strategy, leading delivery, and providing formal recommendations on production readiness.

Key Responsibilities

• Own the performance testing strategy for assigned services or programmes
• Lead volumetric analysis, performance risk assessment, and test scoping
• Define entry/exit criteria, success measures, and acceptance recommendations
• Provide performance engineering expertise , including architectural input
• Lead and coordinate load, stress, soak, and scalability testing activities
• Oversee integration of performance testing into CI/CD pipelines
• Analyse results and lead root-cause analysis of systemic performance issues
• Produce and sign off Test Completion Reports and readiness assessments
• Engage with senior stakeholders, architects, and governance forums
• Support Operational Acceptance Testing (OAT) and live readiness
• Drive continuous improvement, innovation, and best practices in performance

Essential Skills & Experience

• Extensive experience leading performance testing for large-scale systems
• Strong background in performance engineering , not just tool execution
• Proven ability to make design and architectural recommendations
• Experience with cloud platforms (especially AWS )
• Deep understanding of:
  • Distributed systems
  • Microservice architecture
  • Scalability, resilience, and capacity planning
• Confident stakeholder engagement at technical and leadership levels
• Experience operating in governed or regulated environments

Desirable

• Public-sector or government programme experience
• Experience with APM, monitoring, observability, or AI-assisted analysis
• Familiarity with GDS or enterprise assurance frameworks

Scope & Accountability

• Accountable for end-to-end performance testing outcomes
• Owns performance risk, strategy, and assurance for assigned services
• Provides formal recommendations on test exit and production readiness
• Leads and mentors performance testers across engagements
• Acts as the senior escalation point for performance-related issues
• Represents performance capability in governance and assurance forums

Our Commitment to Diversity & Inclusion

At Scrumconnect Consulting, we believe that diversity drives innovation . We are committed to creating an inclusive environment where everyone is respected, valued, and supported. We actively encourage applications from women, people with disabilities, individuals from underrepresented communities , and those seeking flexible working arrangements .

As a Disability Confident Level 1 employer , we provide reasonable adjustments throughout the recruitment process and employment to ensure equal opportunity for all.