Senior Systems Engineer

Serving our customers, communities, and planet a little better every day.

Salary - up to £76,920 + annual bonus & benefits.

Location – Edinburgh – Permanent

Office Attendance - Our roles are hybrid; however, you should be able to travel to our Edinburgh office 2 days per week for this position.

Closing Date – Applications close 19 th Jan 2026 at 5pm

A chance to thrive

We’re looking for a skilled Senior Systems Engineer to join our Containers Platform team at Tesco Bank, part of Barclays Bank UK Plc.

You’ll play apivotal role in designing and optimizing our container platform, leveraging

Amazon EKS to deliver scalable, secure, and resilient solutions.

This role will bekey in enabling cloud-native transformation, influencing how we deploy and manage workloads across our Kubernetes cluster.

You’ll get to play a large part in helping to shape and modernise our application workloads and bring these on to the platform.

You’ll work closely with senior leadership and engineering teams, shaping future ways of working and contributing to strategic platform decisions.

It’s agreat time to joinas we scale our emerging containers platform—your contributions will directly impact its evolution.

Unlike many roles, you’ll haveownershipof container solutions, from design to deployment, in afast-moving, cloud-native environment. You’ll influence platform standards and best practices, not just follow them.

You’ll work alongside other Containers Team Systems Engineers, Dev Ops Specialists, Application and Security Engineering teams and be close to our Design and Architect functions.

Reporting to the Engineering Lead, you’ll collaborate with Product Owners, the Product Manager and Agile delivery teams.

You will have the opportunity to gaincertificationssuch asCKA/CKAD, working your way towards becoming a fully certified Kubestronaut! 6 Days per year of dedicated training is offered for all colleagues.

Career progression opportunities into Engineering Leadership roles or Platform Architecture.

We work in amodern Agile environment, contributing to iterative delivery and continuous improvement.

You’ll get hands-on with Amazon EKS,Docker,Terraform,Helm,Data Dog, Git Lab and have future opportunities to get involved with service mesh technologies.

What you’ll be doing

• Manage and optimize EKS clusters, ensuring high availability, security, and performance.
• Collaborate withcross-functional teamsto integrate container solutions into broader cloud architecture.
• Contribute tothe platform roadmap, introducing innovative solutions for scalability and cost optimization.
• Provide technical leadership and mentorship to junior engineers.
• Oversee the configuration, maintenance, and optimization ofEKS clusters, including node groups, networking, and storage.
• Analyse and optimize container workloads forcost efficiency, resource utilization, and high availability.

We need you to have

• Proven experience with Amazon EKSand Kubernetes architecture.
• Proficiency inusing CI/CD tools(e.g., Jenkins/Cloudbees, Git Hub/Git Lab).
• Expertise inAWS services supporting EKS (IAM, VPC, NLB/Ingress, Secrets Manager).
• Solid understanding of networking and security in containerized environments.

And if you have any of these, even better

• Familiarity with service mesh technologies(e.g., Istio) and observability stacks.
• Experience with Karpenter or EKS Auto
• Knowledge of Serverless integrations with Kubernetes.
• Experience with the following service components (Kubewarden, Cillium, Traefik, Karpenter, Qualys, CoreDNS, kube-proxy)

We don’t expect you to tick every box, and if you feel you hit most of the brief, it’s worth exploring to further develop your career here with us.

What’s in it for you

• Prepare for your retirement with our colleague pension scheme.
• Private Medical Insurance including GP Service scheme.
• Discretionary annual incentive (AVP level and above)
• Indulge in a holiday allowance of 25 days plus 8 prescribed bank holidays.
• Benefit from our family-oriented initiatives, encompassing enhanced maternity leave pay, a shared parental leave policy, and a generous paid paternity leave.
• Take advantage of our ongoing learning opportunities and training, to help you achieve the job and career you want.

Everyo…