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Lead DevSecOps Engineer

Job in City of Westminster, Central London, Greater London, England, UK
Listing for: AECOM
Full Time position
Listed on 2026-10-06
Job specializations:
  • IT/Tech
    SRE/Site Reliability, Cloud Computing: Infrastructure & Operations
Salary/Wage Range or Industry Benchmark: 90000 - 120000 GBP Yearly GBP 90000.00 120000.00 YEAR
Job Description & How to Apply Below

As part of our AI Engineering team, you will lead the Dev Sec Ops  capabilities that help engineers build, release, and operate services across our multi-cloud platform. You will shape CI/CD, Infrastructure as Code, observability, reliability, cloud governance, and secure engineering across Microsoft Azure and Google Cloud Platform (GCP). You will also manage cloud-vendor service reviews, security advisories, escalations, and roadmap discussions.

  • Evolve CI/CD pipelines and reusable workflows that enable fast, reliable, and repeatable testing and deployment, with automated quality and security controls
  • Build observability and operational readiness through monitoring, logging, tracing, runbooks, and incident response, improving the reliability and performance of production services
  • Define and track service reliability objectives, and recovery requirements for production services, using incident reviews to drive continuous improvement.
  • Embed proportionate security into engineering workflows and cloud environments, including platform security reviews, threat modelling, access and secrets management, automated scanning, and vulnerability remediation
  • Monitor cloud security posture across Azure and GCP, helping teams prioritise misconfigurations, vulnerabilities, and remediation work according to risk
  • Manage technical and service relationships with Microsoft, Google Cloud, and other critical vendors, leading service reviews, security advisory responses escalations and roadmap and cost discussions
  • Partner with platform, product, and AI/ML engineers on architecture decisions, mentor colleagues, and make clear trade-offs across developer experience, reliability, performance, cost, and security
Must-Have Qualifications
  • Demonstrated hands‑on experience across Dev Ops, SRE, platform engineering, Dev Sec Ops , or related roles, with experience guiding technical decisions or mentoring colleagues
  • Experience building and maintaining CI/CD pipelines and release automation, ideally with Git Hub Actions or similar tooling
  • Hands‑on experience with Infrastructure as Code and cloud platform automation using Terraform
  • Demonstrated ownership of production reliability, including observability, service‑level objectives, incident management, post‑incident reviews, capacity planning, and disaster‑recovery testing.
  • Practical experience carrying out security reviews and implementing controls across identity, secrets management, software supply chains, and vulnerability management
  • Experience working directly with cloud providers or technology vendors, ideally including Microsoft or Google Cloud, on service reviews, escalations, or roadmap discussions
  • Practical experience monitoring and optimising cloud expenditure across large Azure or GCP environments.
Preferred Skills
  • Experience building internal developer platforms or self‑service cloud capabilities
  • Experience applying image scanning, artefact signing, or software provenance controls to containerised workloads
  • Familiarity with cloud security posture management, policy‑as‑code, security monitoring, or compliance automation
  • Experience supporting AI/ML workloads and SaaS platforms in production, 25‑minute screening call
  • Take‑home challenge: A hands‑on task to assess your problem‑solving and technical skills
  • Combined technical and cultural interview (in‑person)
  • Technical Interview: 1‑hour with 2 of our engineers to discuss your solution to the take‑home challenge
  • Culture fit: 30‑minute meeting with our leadership team

Work with Us. Change the World.

At AECOM, we’re delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world’s trusted…

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