Cloud Principal Engineer

Ref: BBBH67778_1786017004

Cloud Principal Engineer

Whitehall Resources are currently looking for a Cloud Principal Engineer.

This role will be Inside of IR35, so you will be required to use an FCSA Accredited Umbrella Company.

Key Requirements:

– As a Principal Engineer in Private Cloud, you’ll provide hands-on technical leadership across a private cloud platform, shaping and improving our virtualisation, container and Kubernetes capabilities, and enabling resilient, secure, high-performing services (including Kafka-based event streaming and microservices platforms).
– Reporting to the Head of Private Cloud, you’ll partner closely with Product Owners, architects and engineering teams across CTO to turn strategy into practical, well-engineered outcomes.

Key Responsibilities:

– Set engineering direction for private cloud capabilities spanning virtualisation, containers, Kubernetes, Kafka/event streaming, and microservices enablement.
– Act as a senior technical authority, review designs, challenge assumptions, and ensure solutions are supportable, secure, and cost-effective.
– Define and promote engineering standards, reference architectures, patterns and guardrails (think: “paved roads”, not “speed bumps”).
– Lead the end-to-end design and evolution of private cloud platform components (compute, storage, networking, orchestration, platform services).
– Drive consistent platform capabilities across environments (dev/test/prod), improving reliability, scalability, performance and operability.
– Influence platform roadmaps with Product Owners; translate business and technology needs into actionable engineering plans.
– Own key decisions around Kubernetes platform design: cluster architecture, multi-tenancy, ingress, service mesh (where applicable), policy, secrets, observability, upgrade strategies, and workload onboarding.
– Establish repeatable deployment patterns using GitOps/CI/CD, configuration management, and automation-first approaches.
– Provide technical leadership on Kafka platform usage and enablement (topic design patterns, partitioning strategy, resiliency, schema governance, security, monitoring and capacity planning).
– Partner with architects and service teams to adopt event-driven patterns safely and consistently.
– Coach teams on microservices design, domain boundaries, API/event contracts, resiliency patterns, and operational readiness.
– Improve developer experience through templates, golden paths, self-service capabilities, and clear documentation.
– Embed security-by-design and operational excellence: hardening, vulnerability management, identity and access controls, data protection, and auditability.
– Work as a bridge between Product, Architecture and Engineering-getting alignment without boiling the ocean.
– Communicate complex technical topics clearly to mixed audiences; write crisp design docs and influence decision forums.

Key Experience:

– Proven experience as a Principal Engineer / Lead Engineer / Senior Staff Engineer (or equivalent) in large-scale, regulated, enterprise environments.
– Strong background in private cloud / platform engineering, including solid depth in at least two of: Virtualisation technologies (e.g., VMware or equivalent), Containers & Kubernetes (cluster operations, upgrades, networking, multi-tenancy, policy), Kafka/event streaming platforms (architecture, operations, governance).
– Strong engineering fundamentals: distributed systems, networking concepts, performance tuning, fault tolerance and capacity planning.
– Automation mindset with experience in Infrastructure as Code and CI/CD practices (tooling can vary).
– Strong operational and risk awareness: security controls, change management, and production readiness practices.

Desirable skills:

– Service mesh, API gateways, secrets management, policy-as-code.
– Observability platforms (metrics/logs/traces) and practical incident leadership.
– Experience building “platform as a product” capabilities (service catalogue, self-service, developer portals).
– Experience with multi-region / active-active design considerations and resilience testing.

All of our opportunities require that applicants are eligible to work in the specified country/location, unless otherwise stated in the job description.

Whitehall Resources are an equal opportunities employer who value a diverse and inclusive working environment. All qualified applicants will receive consideration for employment without regard to race, religion, gender identity or expression, sexual orientation, national origin, pregnancy, disability, age, veteran status, or other characteristics.

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