Senior Infrastructure Engineer (GCP) - Engine by Starling

Starling Bank · London, United Kingdom

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Full-timeSeniorSept 2026 · checked today

At Engine by Starling, we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology.

Engine is Starling's software-as-a-service (SaaS) business, the technology that was built to power Starling Bank, and a year ago we split out as a separate business.

Starling has seen exceptional growth and success, and a large part of that is down to the fact that we have built our own modern technology from the ground up. The Engine technology platform is now available to banks and financial institutions all around the world, enabling them to benefit from the innovative digital features, and efficient back-office processes that has helped achieve Starling's success.

Our technologists are at the very heart of Engine and enjoy working in a fast-paced environment that is all about building things, creating new stuff, and disruptive technology that keeps us on the cutting edge of fintech. We operate a flat structure to empower you to make decisions regardless of what your primary responsibilities may be, innovation and collaboration will be at the core of everything you do. Help is never far away in our open culture, you will find support in your team and from across the business, we are in this together!

The way to thrive and shine within Engine is to be a self-driven individual and be able to take full ownership of everything around you: From building things, designing, and discovering to sharing knowledge with your colleagues and making sure all processes are efficient and productive to deliver the best possible results for our customers. Our purpose is underpinned by five values: Listen, Keep It Simple, Do The Right Thing, Own It, and Aim For Greatness.

Hybrid Working

We have a Hybrid approach to working here at Engine – our preference is that you're located within a commutable distance of one of our offices so that we're able to interact and collaborate in person.

About Engineering at Engine by Starling — https://enginebystarling.com/careers/engineering/

We're looking for a Senior Infrastructure Engineer to help us design, build and run the cloud foundations our first-in-class, cloud-native banking platform is deployed on — across multiple regions and cloud providers globally. You'll be an inquisitive engineer with an aptitude for finding clean and simple solutions to technical problems, passionate about building observable, reliable and secure systems that positively impact the wider engineering organisation.

Engine by Starling engineers are excited about helping us deliver new features, regardless of what their primary tech stack may be. Hear more from the team in our latest Blog or our case studies with Women in Tech.

As a Senior Infrastructure Engineer, you will

Design, document, build and maintain scalable infrastructure on GCP
Ensure the performance and reliability of cloud environments whilst measuring cost-effectiveness
Embrace automation and be reluctant for manual implementation
Build systems with security by design as a core foundation
Ensure platform compliance with standards such as ISO 27001, SOC 2, PCI DSS and 3DS
Design and operate key and secret management on GCP — Cloud KMS, Cloud External Key Manager (EKM) and Secret Manager — including support for cryptographic key ceremonies
Rapidly diagnose and fix client-reported infrastructure issues while maintaining peak security and performance
Write clear technical documentation and host training sessions for the team
Demonstrate knowledge of new technologies and changes in the industry
Lead complex infrastructure projects from inception through to run, and shape the future capabilities of Engine — our approach, tooling, automation and architecture
Lead by example in your contributions, setting a high technical bar for others to aim for

Requirements

We're open-minded when it comes to hiring and we care more about aptitude and attitude than specific experience or qualifications. If you care enough to find elegant solutions to difficult technical problems, we'd love to hear from you.

As a Senior Infrastructure Engineer you will bring the below experience or knowledge:

Proven GCP multi-region disaster recovery experience
Confident at bootstrapping Google Cloud Organisations, hardening with policies and structuring an enterprise’s resource hierarchy
Experience with Google Cloud Platform (GCP) services including GKE, Compute Engine, Network Connectivity Center, Cloud SQL, Identity and Access Management (IAM) and VPC Service Controls
Experience writing clean, modular Terraform code
Experience with service-oriented architecture using containers, distributed systems and immutable infrastructure
Experience with key and secret management on GCP — Cloud KMS, Cloud External Key Manager (EKM) and Secret Manager — including cryptographic key ceremonies
Experience designing hybrid connectivity from GCP to co-located Payment HSMs using Network Connectivity Center (NCC), Cloud VPN and Dedicated / Partner Interconnect
Experience with Workload Identity and Workload Identity Federation for keyless authentication of workloads and CI/CD
Experience with observability tooling — Cloud Monitoring, Cloud Logging, Cloud Trace, Managed Service for Prometheus and OpenTelemetry (we also use Grafana)
Experience setting up Google Workspace / Google Cloud Identity
Experience with automation using a scripting language like Python or Go
Experience implementing CI/CD pipelines
An understanding of RESTful API and event-driven concepts
Comfortable writing RFCs and ADRs which can be taken from design to implementation and into Production with documented runbooks and operating models

Ideally you also have:

Experience with Zero Trust security (mTLS, SSO)
Experience with AWS
Comfortable with bash and either Golang, Java or Python development
Understanding of database monitoring, analysis, disaster recovery and performance tuning
Understanding of networking and routing concepts (TCP/IP, VLANs, VPNs, BGP, etc.) and preferably experience designing and establishing connectivity between GCP and on-premise locations
Awareness/ability to leverage Claude Skills during development

The main part of our tech stack is listed below. We don't ask that you have experience in all of it, but if you do, that's great!

Java, which makes up the majority of our backend codebase
GCP and AWS — we're cloud-native
Container-based architecture
Kubernetes (GKE on GCP, EKS on AWS)
TeamCity for CI/CD (with multiple production releases per day)
Terraform and Grafana
RDS and CloudSQL for PostgreSQL

Our Interview Process

Interviewing is a two-way process and we want you to have the time and opportunity to get to know us, as much as we are getting to know you! Our interviews are conversational and we want to get the best from you, so come with questions and be curious. In general you can expect the below, following a chat with one of our Talent Team:

Initial interview with an Engineer — ~45 minutes
Take-home technical test, to be discussed in the next interview
Technical interview with some Engineers — ~1.5 hours
Final interview with our CTO / deputy CTO — ~45 minutes

Benefits

33 days holiday (including public holidays, which you can take when it works best for you)
An extra day’s holiday for your birthday
Annual leave is increased with length of service, and you can choose to buy or sell up to five extra days off
16 hours paid volunteering time a year
Salary sacrifice, company enhanced pension scheme
Life insurance at 4x your salary & group income protection
Private Medical Insurance with VitalityHealth including mental health support and cancer care. Partner benefits include discounts with Waitrose, Mr&Mrs Smith and Peloton
Generous family-friendly policies
Incentives refer a friend scheme
Perkbox membership giving access to retail discounts, a

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