BT Group

Lead DevOps Engineer

BT Group

full-time

Posted on:

Location Type: Hybrid

Location: London • United Kingdom

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Job Level

Senior

Tech Stack

AnsibleAWSCloudDNSFluxGrafanaKubernetesLinuxPythonTerraform

About the role

  • Own the reference architecture and paved paths for services on Kubernetes (Helm Charts), infra as code (Terraform), Git‑based workflows, and artefact standards.
  • Design progressive delivery (Argo CD/Flux, canary/blue‑green) and automated database/network change patterns fit for telco‑grade reliability.
  • Standardise API platform pipelines for Apigee / API gateway(s) and NaaS service onboarding, including contract testing and gateway policy automation.
  • Define service SLOs/error budgets; engineer robust alerting, runbooks, and incident response across multi‑region, GSLB‑fronted estates.
  • Lead operational readiness: wargaming, failover simulations, capacity management, and performance testing at API and network layers.
  • Embed security gates in CI/CD; manage vulnerability scanning (e.g., Qualys) and endpoint protection (EDR) posture; enforce secrets and key management.
  • Partner on identity & consent patterns for CAMARA APIs (OAuth2/OIDC), and ensure auditability for customer and developer actions.
  • Run engineering communities of practice; maintain standards, scorecards, and playbooks.
  • Performance and chaos engineering at scale; cost optimisation in multi‑cluster estates.
  • Operate with a product mindset; partner with Product, Architecture, and Security to deliver business outcomes.
  • Coach engineers; model BT’s Connected Leaders behaviours (Solution‑Focused Achiever, Change Agent, Team Coach).

Requirements

  • Strong Linux fundamentals and troubleshooting (system performance, networking, storage).
  • Practical understanding of L7/L4 load balancing, service mesh, DNS/GSLB, certificate mgmt and API connectivity patterns into telco/core systems.
  • Hands-on Kubernetes experience in production (deployments, upgrades, debugging, cluster/ workload operations, managing secrets, network policies).
  • Automation mindset: scripting (Python/Bash) + one or more of Terraform/Ansible/Helm/Kustomize/GitOps.
  • GitOps and modern engineering practices (PRs, code review, release discipline).
  • Strong Knowledge of API gateway/service mesh patterns and secure ingress.
  • Experience designing observability for serverless systems (logs/metrics/traces) and implementing distributed tracing and dashboards using open standards and various tooling like Elastic, Grafana etc.
  • Familiarity with ITIL/incident management and change practices (or equivalent experience).
  • AWS Cloud Practitioner Certification
  • Excellent verbal and written communication and interpersonal skills.
Benefits
  • 10% on target bonus
  • BT Pension scheme, minimum 5% Employee contribution, BT contribution 10%
  • Life Assurance Cover
  • Exclusive colleague discounts on our latest and greatest BT broadband packages, BT TV with TNT Sports and NOW Entertainment
  • Equal family leave: receive 18 weeks at full pay, 8 weeks at half pay and 26 weeks at the statutory rate.
  • Enhanced women’s health support: including help with menopause symptoms, cancer screenings, period care and more.
  • 25 days annual leave (not including bank holidays), increasing with service
  • 24/7 private virtual GP appointments for UK colleagues
  • 2 weeks carer’s leave
  • World-class training and development opportunities
  • Option to join BT Shares Saving schemes
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
KubernetesTerraformHelm ChartsArgo CDAPI gatewayPythonBashGitOpsobservabilityload balancing
Soft Skills
communicationinterpersonalcoachingleadershipproblem-solvingcollaborationcapacity managementperformance testingchange managementoperational readiness
Certifications
AWS Cloud Practitioner Certification