Position: Integration Engineer Location: Remote (Occasional Travel to Bristol) Day Rate: £600 p.d inside IR35 Must hold active SC clearance We're supporting a leading defence-sector client and are looking for an experienced Integration Engineer to join on a contract basis. You'll play a key role in building and securing API and integration services across complex, high-assurance environments. What you'll work on: Designing, configuring and deploying API gateways (rate limiting, routing, SSL/TLS, OAuth, security controls). Integrating REST and SOAP services, including error handling, idempotency and logging. Working with IBM webMethods, DataPower Gateway, API Manager and related tooling. Contributing to secure-by-design delivery across the full lifecycle. Supporting deployments across Azure and AWS environments. Nice to have: Experience with EA Sparx for data modelling. Familiarity with Dimensions RM or similar requirements tools. Not all skills are required - strong integration experience and the ability to work in secure, structured environments are what matter most. To learn more, please do reach out to Tom Royston via email on Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients. If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.