Senior DevOps Engineer – Cloud-Native, Secure & Scalable

Oxford Dynamics; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Flexible & hybrid working

Private healthcare

Company pension (NEST)

29 days holiday

Job summary

Oxford Dynamics seeks a Senior DevOps Engineer to own multi-account, multi-region AWS environments, building scalable, secure, and cost-efficient cloud infrastructure. You will manage Kubernetes clusters (EKS/OpenShift), CI/CD pipelines, and risk‑driven security practices while driving reliability and performance.

You will collaborate with teams to automate tasks, mentor developers, and ensure compliance with industry standards across our AVIS™ based platforms and mission-critical systems.

Qualifications

• Proven DevOps/SRE experience with AWS cloud engineering.
• Expertise in AWS core services (EC2, VPC, IAM, S3, ALB/ELB, ECR) and security tooling.
• Strong Kubernetes (EKS/OpenShift) administration and Helm packaging.
• Solid CI/CD experience with GitHub Actions and Argo CD.
• Experience with IaC (Terraform, CloudFormation) and Linux systems.

Responsibilities

• Own end-to-end cloud ownership across multi-account, multi-region environments.
• Manage Kubernetes clusters, registries and service meshes; build GitHub Actions/Argo CD pipelines.
• Conduct security-hardening and posture reviews; implement GuardDuty and IAM best practices.
• Maintain observability stacks and SLAs; monitor distributed systems.
• Automate repetitive tasks and mentor developers on DevSecOps practices.
• Lead policy and audit activities to stay compliant with industry standards.

Skills

AWS

Kubernetes

Terraform

CI/CD

GitHub Actions

Argo CD

Linux

Scripting (Bash Python Go)

Security best practices

Tools

Helm

OpenShift

EKS

Docker

Nexus

Terraform Cloud

CloudFormation

Job description

Oxford Dynamics seeks a Senior DevOps Engineer to own multi-account, multi-region AWS environments, building scalable, secure, and cost-efficient cloud infrastructure. You will manage Kubernetes clusters (EKS/OpenShift), CI/CD pipelines, and risk‑driven security practices while driving reliability and performance.

You will collaborate with teams to automate tasks, mentor developers, and ensure compliance with industry standards across our AVIS™ based platforms and mission-critical systems.