Senior Platform Engineer

Pepper Advantage Group; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

Pepper Advantage Group is seeking a Senior Platform Engineer to ensure the reliability, scalability and performance of Prism products and Azure-backed infrastructure. This hands-on role designs and optimizes platform services, CI/CD pipelines and deployment processes for enterprise apps.

The ideal candidate has deep cloud experience, strong collaboration skills and a passion for automation, governance, and measurable improvements in delivery, security and efficiency across multi-tenant Azure

Qualifications

• 8+ years of experience delivering fast-paced, agile system engineering, preferably in regulated FinTech/payments/banking domains.
• Proven experience mentoring engineering teams and guiding multi-product lines.
• Strong track record implementing IaC, CI/CD, and cloud-native architectures (Azure/AWS/GCP).
• Deep knowledge of security, governance, and incident management in cloud platforms.

Responsibilities

• Develop and maintain Azure infrastructure with appropriate tooling.
• Design and configure CI/CD pipelines, containers, networks, and dashboards.
• Implement Infrastructure as Code for multi-tenant Azure environments.
• Optimize performance and cost of Azure resources.
• Apply governance policies (Azure AD, security, networking).
• Collaborate with development, QA, and Product teams to ensure quality and timely delivery.
• Contribute to scalable, secure, observable architectures (APIs, microservices, event-driven).
• Embed DevSecOps and SRE principles into platform practices (SLOs, error budgets, incident management).
• Drive continuous improvement using metrics-led approaches (DORA).
• Demonstrated leadership, team management, and strong communication with execs, engineers, auditors.

Skills

Team leadership

Cloud-native

DevSecOps

SRE principles

Observability

Automation

Azure DevOps

CI/CD

Tools

Terraform

Argo CD

Flux

Kubernetes

OpenTelemetry

Job description

As a Senior Platform Engineer, you will play a key role in ensuring the reliability, scalability, and performance of Prism products and supporting infrastructure in Azure. This is a hands-on role where you’ll design and optimize platform services, CI/CD pipelines, and deployment processes for enterprise-grade applications.

This person should be a can-do, high-achieving individual with strong product and domain expertise, who thrives on collaboration and has experience building secure, resilient cloud infrastructure. You’ll champion engineering excellence and automation, foster best practices, and bring a genuine passion for technology and continuous improvement to everything you do.

Location: Uxbridge, Skipton or London (England, UK)

Your responsibilities

• Develop and maintain Azure infrastructure using the appropriate tooling required.
• Design and configure CI/CD pipelines, containers, virtual networks, and monitoring dashboards.
• Implement Infrastructure as Code (IaC) for multi-tenant setups in Azure.
• Optimize performance and cost of Azure resources.
• Apply governance policies (Azure AD, security, networking).
• Collaborate with development, QA, and Product teams to ensure quality and timely delivery.
• Contribute to evolving scalable, secure, observable architectures (APIs, microservices, event-driven).
• Embed DevSecOps and SRE principles into platform engineering practices (SLOs, error budgets, incident management).
• Drive continuous improvement using metrics-led approaches (e.g., DORA).
• Demonstrated leadership ability, team management, and interpersonal skills.
• Change leadership—drives adoption of new ways of working, collaboration, continuous improvement with high levels of trust and autonomy.
• Excellent communication and influencing skills, including the capability and gravitas to operate execs, engineers, and regulators/auditors.
• Client/Customer-centric mindset; measurable impact on revenue, activation, retention, and cost-to-serve.-centric mindset; measurable impact on revenue, activation, retention, and cost-to-serve.
• Ability to create a positive and collaborative climate in which people want to do their best by providing appropriate challenge, support and direction.
• 8+ years of experience in delivering fast paced and agile system Engineering ideally in regulated FinTech or payments/banking/wealth.
• Mentored engineering teams of 10+ across multiple parallel product lines, guiding developers working within microservices architectures and Cloud‑native environments (AWS/Azure/GCP).
• Engineering excellence leader with deep SDLC mastery with a pragmatic implementation approach to architecture, platform and tooling.
• Embedded DevSecOps and automated policy and quality controls in delivery pipelines, ideally with Azure DevOps.
• Extensive change management experience and evidential metrics-based delivery capability.
• Standardised logging/metrics/tracing (OpenTelemetry, Prometheus/Grafana); built comprehensive dashboards and runbooks.
• Owned Service reliability: SLOs/SLIs, error budgets, chaos experiments, game days, incident command.

Nice to haves

• Mortgage origination and servicing, Payments, core banking, or lending domain expertise.
• Production experience with Kubernetes, IaC (Terraform), service meshes, and GitOps (Argo CD/Flux).
• Navigated PCI DSS, SOC 2, ISO 27001, GDPR; partnered with Risk/Compliance and auditors and delivered audit-ready evidence.

Success Metrics (what you will be measured on)

• DORA: Lead time, Deployment frequency, Change failure rate, MTTR.
• Reliability: SLO attainment (%), incident rate and severity mix, mean time to detect (MTTD).
• Quality: Escaped defects, defect density, automated test coverage, flaky test rate.
• Security/Compliance: Vulnerability SLA adherence, audit/control pass rate.
• Delivery & Product: Roadmap predictability, value throughput (e.g., OKR progress), time-to-market.
• People & Culture: eNPS, attrition of regrettable talent, internal mobility, DEI indicators.
• Cost & Efficiency: Cloud unit economics, cost-to-serve, build time, onboarding time to first PR.

Pepper Advantage’s values and culture

Our mission is to help people succeed. Our clients, our customers, our employees. Our Values are ‘Can do’, ‘Balanced’ and ‘Real’.

Pepper Advantage’s values support our vision, shape our culture and define how we interact with other employees and the attitudes we adopt towards our customers and clients. The values of Pepper Advantage support the organisation’s mission statement.

Pepper Advantage’s unique outcome focused corporate culture aims to deliver fairness and value for clients and customers, consistently exceeding expectations in all measurable performance areas.

Pepper Advantage is an equal opportunities employer.

Role profiles are subject to change in line with business needs.