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Open nowPosted 55 days ago

Senior Cloud Platform Engineer

Workable (global search)108,016 open roles

Where
London, England, United Kingdom
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Your applicationOpen nowSenior Cloud Platform EngineerWorkable (global search) · London, England, United Kingdom

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The clock on this job

Early applications get read.

7.9% of postings close within 7 days. Measured by our own scanner across the market. Workable (global search) postings stay open a median of 7 days.

Share of postings closed within
  1. 1.6%1 day
  2. 3.6%3 days
  3. 7.9%7 days
  4. 14.9%14 days
  5. 34.0%30 days
This job: posted 55 days ago

Workable (global search) median: 7 days open

The posting

Role Overview

We are seeking a Senior Cloud Platform Engineer with deep expertise in Google Cloud Platform (GCP), Kubernetes, and High-Assurance UK Defence environments. In this role, you will design, deploy, and maintain mission-critical, sovereign cloud infrastructure for sensitive national security operations. You will operate at the intersection of modern cloud-native software engineering and strict defense compliance—building automated, air-gapped platforms using Google Distributed Cloud air-gapped (GDC air-gapped) and GKE Enterprise capable of supporting tactical edge analytics and disconnected containerised workloads.

Requirements

Key Responsibilities

  • Sovereign Infrastructure as Code (IaC): Design, build, and maintain enterprise-grade GCP environments and Sovereign Landing Zones using Terraform and Ansible.
  • Kubernetes Orchestration: Manage, scale, and secure production GKE and GKE Enterprise clusters in air-gapped or low-bandwidth environments.
  • High-Assurance Security Architecture: Implement Zero-Trust network topologies, Private Google Access, Service Controls, and IAM policies aligned with NCSC Cloud Security Principles, JSP 604, and MoD Secure by Design (SbD) frameworks.
  • Air-Gapped & Edge Deployments: Operate fully disconnected, sovereign cloud nodes (GDC air-gapped) and handle offline artifact management (e.g., container image mirroring, local Helm repositories, offline Terraform providers).
  • DevSecOps & Policy-as-Code: Build secure CI/CD pipelines incorporating container scanning, cryptographic image signing, secret management (Vault/GCP KMS), and automated policy enforcement (OPA/Gatekeeper).
  • Data Sovereignty & Isolation: Configure private interconnects, network firewalls, and outbound-only proxies to guarantee strict data sovereignty and prevent data exfiltration.

Required Experience 1. Defence & High-Assurance Context

  • Active UK SC Clearance, ideally MoD Developed Vetting or eligibility for DV.
  • Proven experience delivering cloud platforms within UK Defence (MoD, CSOC, DE&S), Intelligence, or National Security environments.
  • Working knowledge of UK Government Security Classifications (OFFICIAL-SENSITIVE / SECRET / TOP SECRET), NCSC guidelines, and JSP 604 accreditation loops.

2. GCP & Infrastructure Automation

  • 3+ years of production experience operating Google Cloud Platform (GCP).
  • Expertise in Terraform for declarative infrastructure management.
  • Deep understanding of GCP networking (VPC Service Controls, Cloud Interconnect, Private Service Connect, Cloud NAT, DNS).

3. Containerisation & Kubernetes

  • Production experience administering GKE / GKE Enterprise.
  • Hands-on experience with container security, Service Mesh (Istio), and admission controllers (OPA/Gatekeeper or Kyverno).
  • Experience managing air-gapped software deployments where continuous internet connectivity is absent.

Desirable Qualifications

  • Certifications: GCP Professional Cloud Architect, GCP Professional Cloud Security Engineer, or Certified Kubernetes Administrator (CKA).
  • Experience with Google Distributed Cloud air-gapped (GDC air-gapped) hardware appliances or edge deployments.
  • Familiarity with event streaming (Kafka, Cloud Pub/Sub) in low-bandwidth, intermittent, or limited (DIL) connectivity scenarios.
  • Background in Armed Forces technical branches, tactical C4ISR systems, or specialised defence consultancies.

Benefits

  • Competitive Pay: Salaries reviewed annually to ensure they reflect your performance and market value.
  • Loyalty Pension: We invest in your future. Starting at a 5% employer contribution, we increase this by 0.5% every year after your third anniversary, up to a maximum of 8%.
  • Protection: Comprehensive Group Life Assurance for peace of mind.

Purpose & Culture

  • Real Impact: Work on mission-critical projects that secure and improve the UK's digital infrastructure.
  • Autonomy: A culture that empowers you to make decisions, prototype rapidly, and iterate towards success.
  • Service & Community: We support those who serve. 10 paid days for Reservist Military Service.

Work / Life Balance

  • Time Off: 25 days annual leave + Bank Holidays, with the flexibility to Buy/Sell additional days to suit your lifestyle.
  • Giving back: 2 paid volunteering days per year.

Development & Growth

  • Master Your Craft: Fully funded professional certifications (AWS, GCP, Agile, etc.) supported by 5 days paid study leave.
  • Expand Your Horizons: An additional £500 annual "Personal Choice" fund to learn whatever inspires you—work-related or not.
  • Support: Access to 1-2-1 professional coaching and team training to accelerate your career.

Health & Balance

  • Premium Health: Vitality Private Medical Insurance (includes Apple Watch, gym discounts, and rewards).
  • Flexibility: Genuine hybrid working with a WFH equipment allowance to perfect your home setup.
  • Wellbeing: Cycle to Work scheme and a commitment to sustainable, healthy working practices.
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