Senior Developer Experience Security Engineer

Requirements

  • Proven experience as a Platform engineer, Developer Experience engineer, or similar role focused on enabling other engineers.
  • Proven experience working with Containers and serverless with Infrastructure as code.
  • Good knowledge of AWS cloud security best practices and tooling.
  • Technical knowledge of best practice security for networks, systems, web applications, APIs and databases.
  • Good understanding of secure software development practices.
  • Familiarity with security tools and technologies, such as SIEM, IDS/IPS, WAF and vulnerability scanners.
  • Knowledge of common adversarial Tactics, Techniques and Procedures (Mitre Att&ck TTPs).
  • Knowledge of security standards and frameworks (e.g. ISO27001, NIST CSF, AWS FSBP) is beneficial.
  • Relevant security certifications (e.g. GCLD, Security+, AWS/GCP Security Certifications) are a plus.
  • Excellent problem-solving and analytical skills.
  • Strong communication and collaboration abilities.

What you'll be doing

  • Design, implement, and maintain secure-by-default platform capabilities (e.g. IAM patterns, network primitives, secrets management, runtime protections, encryption) that are easy for product teams to adopt.
  • Build automated security checks, guardrails, and visibility that continuously assess risk and reduce the need for manual security audits.
  • Collaborate with engineering to embed secure software development practices into CI/CD pipelines, templates, and shared tooling (Shift left and Secure by design principles).
  • Reduce manual work (toil) for the technology and Security Operations Team using automation (e.g. scripting, workflows, tooling).
  • Ensure platform-level security telemetry, logging, and monitoring are consistent, high-quality, and provided as a standard capability for all teams.
  • Define and implement platform-wide security use cases (e.g. SIEM detections, alerts, and signals) that scale across teams without bespoke configuration.
  • Work as part of a virtual SOC with the Security Operations Team to support in security incident response.
  • Stay up-to-date with the latest security trends and best practices.
  • Enable secure engineering practices through documentation, examples, platform defaults, and targeted training where appropriate.
  • Help translate security policies and standards into practical, enforceable platform patterns and guardrails.

Perks and benefits

  • Competitive salary.
  • Equity scheme - we all share in Motorway’s success.
  • 25 days holiday.
  • Flexible working (2 days a week in London office, with socials and snacks).
  • Private medical insurance via BUPA.
  • Life assurance.
  • Pension scheme (5% contribution).
  • Enhanced family leave (e.g. 26 weeks full pay for maternity or adoption).
  • 24/7 Employee Assistance Programme.
  • EV leasing scheme.
  • Cycle to work scheme.
  • Nursery salary sacrifice scheme.
  • 1 paid volunteering day a year.
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