Public Cloud Senior Infrastructure Engineer
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This role has a base pay range of £70,929 – £78,810, based on skills and experience. Locations: Halifax or Leeds. Hours: Full time. Working pattern: hybrid, with at least 40% of time at one of the sites.
About this Opportunity
We are modernising with cloud, a platform that is quick, secure and resilient for customers and easy, modern and green for developers. Our core technology focus is on Microsoft Azure and Google Cloud Platform. We are on a mission to build the bank of the future, redefining what a bank is from the inside out.
This role requires taking part in an on‑call rotation.
Key Responsibilities
* Collaborate across cross‑functional teams to architect, implement, and maintain a highly resilient and scalable Kubernetes environment in the cloud.
* Engineer and optimise Kubernetes infrastructure to support multitenant workloads, ensuring strong isolation, resource efficiency, and operational scalability.
* Implement and manage robust security controls, including OPA gatekeeper policies and fine‑grained RBAC policies, to safeguard infrastructure and enforce least‑privilege access across environments.
* Build and manage CI/CD pipelines to enable automated testing, seamless deployment, and continuous integration across environments.
* Diagnose and resolve complex system‑level issues related to scalability, performance, and automation, ensuring optimal infrastructure health.
Essential Skills & Experience
* Extensive experience in a DevOps or Site Reliability Engineering role, ideally across both consumer and SaaS technology landscapes.
* Proven expertise in deploying and maintaining production‑grade Kubernetes clusters and services.
* Hands‑on experience with Kubernetes (k8s) and containers in live environments.
* Strong background in designing and implementing CI/CD pipelines for automated build, test, and deployment workflows.
* Proficient in programming with Python, Go, and Bash for automation and tooling.
* Demonstrated ability to take ownership of projects and drive them to successful delivery.
* Skilled in writing and managing Infrastructure as Code (IaC) using tools such as Terraform.
* Experience in curating and managing the full product lifecycle of cloud‑native core services.
* Comprehensive knowledge of Cloud Security, Key Management Service (KMS), Public Key Infrastructure (PKI), encryption, and the principles of least privilege.
* Deep understanding of Linux operating systems, including system internals, networking, and performance tuning.
* Exposure to high‑throughput environments with experience implementing observability stacks such as Prometheus, Dynatrace, and OpenTelemetry for logging, metrics, and distributed tracing.
* Strong security mindset with a track record of designing and implementing secure, resilient systems.
* Excellent verbal, written, and interpersonal communication skills, with the ability to convey complex technical concepts clearly.
* Comfortable operating in fast‑paced, dynamic environments – able to adapt quickly, embrace ambiguity, and remain effective through change.
* Understanding of shared services such as CoreDNS, cert‑manager, Dynatrace, Cloudability, and Infoblox.
* Familiarity with Aqua Security for container runtime protection, OPA Gatekeeper, and Harness CI/CD pipelines for secure and scalable deployments.
* Experience with Backstage GitOps workflows, Anthos Config Management, and Istio service mesh for observability and mTLS enforcement.
Desirable Skills
* Hands‑on experience with cloud infrastructure and services across Google Cloud Platform (GCP) / Azure.
* Proficient in writing Infrastructure as Code (IaC) using Terraform, with a strong understanding of modular and reusable code practices.
* Experience with Service Mesh technologies such as Istio and Anthos for managing microservices communication and observability.
* Deep understanding of networking concepts in the cloud, including Hybrid Connectivity, VPN, NAT, IPAM, DNS, and routing.
* Exposure to Backstage GitOps workflows and Anthos Config Management for GitOps‑driven provisioning.
What We Offer
We offer a dynamic, inclusive, and supportive environment that fosters equal opportunity and real career progression. We are committed to your personal and professional development, empowering you to make a meaningful impact throughout your career with us. Together we make it possible.
Benefits
* A performance share bonus
* A generous pension contribution
* A flex cash pot you can adjust to suit your lifestyle
* Private health cover
* 30 days holiday plus bank holidays
* Various share schemes including free shares
We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.
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