Lead Performance Tester (SC Eligible/Cleared)

scrumconnect ltd; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

Scrumconnect Consulting is seeking a Lead Performance Tester/Performance Engineering Lead to own performance testing strategy across complex digital services. You will act as the performance authority, defining strategy, leading delivery, and advising on production readiness.

We expect extensive experience in performance testing for large-scale systems, a strong engineering background, and the ability to make architectural recommendations. AWS experience and stakeholder engagement are essential.

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.
• 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.

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.
• Analyze 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 leadership

Performance engineering

Design/architectural recommendations

AWS

Distributed systems

Microservice architecture

Scalability & capacity planning

Stakeholder engagement

Governed environments

Job description

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.