Senior DevOps Engineer: Cloud, Security & SRE (Hybrid)

Oxford Dynamics; Oxford; Hybrid; GBP 85,000 - 120,000; Full time

Benefits offered by this job

Company pension

Private healthcare

Hybrid working model

Flexible hours

29 days holiday

Job summary

Oxford Dynamics is seeking a Senior DevOps Engineer to own cloud platforms, design and maintain multi‑account AWS environments, and drive secure, automated delivery pipelines. You’ll scale Kubernetes clusters (EKS/OpenShift), implement IaC tooling, and champion cost‑efficient, highly available platforms while upholding certifications.

Join a small, collaborative team at OD, focusing on defence and AI robotics.

Qualifications

• Proven experience in DevOps / SRE, with recent focus on AWS cloud engineering.
• Expert in AWS core services (EC2, VPC, IAM, S3, ALB/ELB, CloudFront, ECR/ECS, Elastic Beanstalk, Control Tower) and security tooling (GuardDuty, IAM Identity Center, CloudWatch).
• Strong Kubernetes (EKS/OpenShift) administration, Helm packaging and service‑mesh know‑how.

Responsibilities

• End-to-end cloud ownership: architect, implement and maintain multi‑account, multi‑region environments using IaC (Terraform, CloudFormation, Helm).
• Platform reliability & automation: manage Kubernetes clusters, container registries and service meshes; create GitHub Actions / Argo CD pipelines for zero‑touch deployments.
• Security hardening: lead security‑posture reviews, implement GuardDuty, CloudWatch and IAM best practices.
• SRE & monitoring: uphold SLAs through observability stacks, proactive alerting and performance tuning of distributed systems.
• Collaboration & enablement: automate repetitive tasks, mentor developers and champion DevSecOps across teams.
• Policy & audit ownership: steward regular audits to remain compliant with industry standards ensuring provenance.
• Backup & DR: design AWS Backup plans, run restore drills, maintain RPO/RTO dashboards.
• Capacity & cost optimisation: run monthly capacity & availability checklist; leverage Savings Plans and Graviton.
• Drift detection & golden images: operate drift alerts, image pipelines with Inspector v2 scanning.
• Incident & hot‑fix response: coordinate emergency changes, rollbacks and post‑incident reviews.

Skills

AWS cloud engineering

Kubernetes administration

IaC

CI/CD

Automation scripting

Security tooling

Docker

Tools

Terraform

CloudFormation

Helm

GitHub Actions

Argo CD

Terraform Cloud

Docker

Job description

Oxford Dynamics is seeking a Senior DevOps Engineer to own cloud platforms, design and maintain multi‑account AWS environments, and drive secure, automated delivery pipelines. You’ll scale Kubernetes clusters (EKS/OpenShift), implement IaC tooling, and champion cost‑efficient, highly available platforms while upholding certifications.

Join a small, collaborative team at OD, focusing on defence and AI robotics.