Principal Applications & Data Platform Lead

The Principal Applications & Data Platform Lead is the technical authority for enterprise application architecture, integration strategy, and operational data platforms across SEUK. You will define the target architecture, govern standards, drive cloud native modernisation on Azure, and lead multiteam delivery to simplify and secure the application estate while unlocking high-quality, governed data for the business. This role combines hands on technical leadership with strategic ownership of application, integration, and data platform roadmaps across Flex and Wilton.

Key Roles and Responsibilities:

Strategy, Architecture & Standards

• Own and evolve the enterprise application and data architecture (principles, patterns, roadmaps, reference designs) spanning Flex and Wilton; set standards for API first design, integration, quality, security, and lifecycle management.

• Chair/participate in technical steering and design reviews; make platform/tooling decisions that balance cost, risk, scalability, and delivery speed.

• Govern change control for applications and integrations to ensure traceability, compliance, and minimal business risk.

Modernisation & Cloud (Azure)

• Lead the transformation and support of on-premises and legacy applications into modern, cloud native solutions on Azure, retiring redundant systems, simplifying the estate. The role incorporated maintaining and resolving bugs/issues with legacy applications aligned with the business strategy and to ensure business continuity.

• Embed DevOps/CICD, containerisation (Docker/Kubernetes/AKS), "Infrastructure as code "and automated testing

• Introduce performance, reliability, and coast guardrails (SLAs and budgets) for all platforms.

Data Platforms, Historian & Governance

• Own the operational data strategy: consolidate repositories/historians, define metadata, lineage, retention, and access controls; ensure data quality and trustworthy analytics across Flex & Wilton.

• Architect secure data pipelines and reusable APIs for realtime and historical access; standardise patterns for ingestion, validation, cataloguing, and reporting.

Leadership, Delivery & Ways of Working

• Lead multidisciplinary resource (technical, engineering, support, QA) using Agile/Scrum; plan sprints, unblock delivery, manage risk, and drive continuous improvement.

• Mentor developers, run peer reviews, enforce coding standards and secure by design practices

Reliability, Security & Operations

• Establish organisation wide monitoring, alerting, and incident response with Azure Monitor/App Insights; act as escalation for production issues.

• Manage platform SLAs, vendor relationships, and corporately brokered contracts; ensure compliance with internal standards and audit requirements.

• Proven success leading complex application modernisation and data platform initiatives, including Azure migrations and portfolio rationalisation.

• Experience defining and enforcing engineering standards, secure coding practices, and API governance across multiple teams.

• Excellent problem-solving, communication, and leadership skills. Track record of technical leadership (mentoring, code reviews, architecture decisions) and cross-functional delivery using Agile methods.

• Strong proficiency in Angular and .NET.

• Strong proficiency with cloud platforms (Azure) and DevOps practices.

• Solid understanding of software architecture, design patterns, and system integration.

• Senior escalation for production incidents; ownership of SLAs, reliability engineering practices, and change control governance.

Degree: Computer Science, Software Engineering, Information Systems, or closely related field.

Languages: VB.NET, C# and SQL/TSQL (must have hands-on experience across all listed languages).

Frameworks: .NET Framework & .NET (Core/8+), ASP.NET, Angular, React.

Cloud (Azure): App Services, AKS, Functions, Storage, Azure SQL, Key Vault, API Management, Monitor/App Insights.

APIs & Integration: REST/JSON, OAuth/OIDC, OpenAPI/Swagger; event driven and microservices patterns.

DevOps & Automation: Azure DevOps (Repos, Pipelines, Boards), Git branching strategies, automated testing, quality gates, build/release orchestration, artifact/version management.

Containers & IaC: Docker, Kubernetes/AKS; Bicep/ARM/Terraform (preferred).

Observability & Quality: Azure Monitor, Application Insights, log/metric dashboards, alert policies, performance profiling.

Data & Tooling: SQL Server SSMS, Azure Data Studio, Postman/Insomnia, Visual Studio .NET, Visual Studio Code.

Salary: Negotiable - Whilst all salaries are graded, Sembcorp are keen to attract, retain and develop the highest calibre of colleague. The company also offer a market leading benefits package and annual bonus.

Imperial Recruitment Group is committed to being an equal opportunities employer. We celebrate diversity and are dedicated to creating an inclusive environment for all employees. We welcome applications from individuals of all backgrounds, experiences, and abilities, ensuring fair treatment throughout the recruitment process