DevOps Engineer - Kubernetes
Req ID: 56818
Posting Start Date: 22/04/2026
Job Function: Software Engineering
Division: Networks
Job Location: GBR-London-BTHQ One Braham, GBR Ipswich - Adhara Building
Salary: Competitive + great benefits
All locations: London or Ipswich
Working Model: 3 days a week in office, 2 days from anywhere
What You'll Be Doing
* Infrastructure Automation: design, implement, and maintain infrastructure as code (IAC) using tools like Ansible and Terraform to automate provisioning and configuration of on-premises servers and resources.
* Continuous Integration/Continuous Deployment (CI/CD): set up and manage Jenkins/GitLab, Argo CD, Flux pipelines to automate build, test, and deployment of software applications across environments.
* Scripting and Development: utilize Python and other scripting languages to develop custom automation scripts and tools.
* Kubernetes: administer Kubernetes clusters (on‐prem or cloud), troubleshoot cluster issues, node failures, workload performance problems, implement security best practices (image scanning, secrets management, container hardening), handle backup/restore (Velero).
* Monitoring and Logging: implement and maintain monitoring solutions (e.g., Splunk, Prometheus, Dynatrace) to proactively identify and resolve issues; create alerts and dashboards.
* Server and OS Management: manage Linux and Windows servers, including OS patching, software installation, and configuration management.
* Security and Compliance: collaborate with security teams to implement and maintain security measures, including compliance standards.
* Agile Collaboration: work within Agile development methodologies, participating in sprint planning, stand‐ups, and retrospectives to align DevOps efforts with the development and delivery pipeline.
What You'll Bring
* Hands‐on experience with Kubernetes in production clusters.
* Strong understanding of Kubernetes core concepts including controllers, scheduling, storage, networking, RBAC, and security.
* Install, configure, upgrade, and maintain Kubernetes clusters (on‐prem or cloud).
* Implement and manage Network Policies, Ingress controllers, Storage Classes, certificate management, and add‐ons (cert‐manager, metrics, logging, ingress).
* Troubleshoot cluster, node, and workload performance issues.
* Experience with backup/restore tools (e.g., Velero).
* Proficiency with Helm, Kustomize, GitOps (ArgoCD/Flux), and Ingress controllers.
* Strong CI/CD skills (GitLab, Jenkins, GitHub Actions).
* Solid experience with Terraform and Ansible.
* Experience with monitoring and logging tools (Prometheus/Grafana, ELK, Dynatrace, Splunk).
* Strong Linux administration background.
* Proficiency in Bash and one of: Python / Go.
* Understanding of networking fundamentals (DNS, load balancers, routing, TLS).
* Knowledge of security best practices and container security techniques (image scanning, secrets management, container hardening).
* Strong problem‐solving, analytical, and troubleshooting skills.
* Excellent communication and collaboration abilities.
* Ability to work in a fast‐paced Agile environment and under pressure.
* Self‐driven, able to learn new technologies independently, with strong planning and organisational skills.
Nice to Have
* CKA / CKAD / CKS certifications.
* Bachelor's degree in Computer Science, IT, or equivalent experience.
* Knowledge of TV and Broadcast systems.
* Familiarity with security tools (Qualys, CrowdStrike, Trivy, etc.).
* Experience with VMware Kubernetes Services.
* Knowledge of Vault (HashiCorp) or External Secrets.
* Familiarity with configuration management tools (Ansible, Puppet, Chef).
* Experience with CI/CD and IaC tooling (Jenkins, GitLab, Terraform, ArgoCD, Flux).
* Knowledge of VMware environment.
What's In It For You
* 10% on target annual bonus.
* Access to an online private GP 24/7 for you and your immediate family.
* Market‐leading paid carers leave with up to 2 weeks off.
* Equalised maternity, paternity, and adoption leave – 18 weeks' full pay and 8 weeks' half pay.
* Discounted EE and BT products, including mobile and broadband.
* Market leading Pension scheme – 5% from you and 10% from us.
* Holiday purchase scheme.
We provide reasonable adjustments for the selection process if required. We welcome flexible working arrangements, including job share, part‐time work, or reduced hours.
We are committed to building a diverse, inclusive, and authentic workplace. If you are excited about this role but your past experience doesn't fully align with every requirement, we encourage you to apply anyway – you may just be the right candidate.
#J-18808-Ljbffr