Senior Security Engineer - Developer Experience

The role

You will design and maintain secure-by-default platform capabilities to enable a secure and frictionless developer experience. You will build automated security checks, guardrails, and tooling to reduce manual work and embed security into CI/CD pipelines.

What you will do

• Design, implement, and maintain secure-by-default platform capabilities
• Build automated security checks, guardrails, and visibility
• Collaborate with engineering to embed secure software development practices into CI/CD pipelines, templates, and shared tooling
• Reduce manual work for the technology and Security Operations Team using automation
• Ensure platform-level security telemetry, logging, and monitoring are consistent
• Define and implement platform-wide security use cases
• Work as part of a virtual SOC 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
• Help translate security policies and standards into practical, enforceable platform patterns and guardrails

Required qualifications

• 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)
• Excellent problem-solving and analytical skills
• Strong communication and collaboration abilities

Nice to have

• Knowledge of security standards and frameworks (e.g. ISO27001, NIST CSF, AWS FSBP)
• Relevant security certifications (e.g. GCLD, Security+, AWS/GCP Security Certifications)

Benefits

• Competitive salary
• Equity scheme
• 25 days holiday
• Flexible working (2 days a week in our London office)
• Private medical insurance via BUPA
• Life assurance
• Pension scheme (we contribute 5%)
• 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

About the company

Motorway is the UK's largest online car-selling platform. It connects private sellers directly with over 8,000 dealers nationwide.