Salary: £110,000 - 137,500 per year Requirements: Must hold active SC clearance Strong integration experience Experience with designing, configuring, and deploying API gateways (rate limiting, routing, SSL/TLS, OAuth, security controls) Experience integrating REST and SOAP services, including error handling, idempotency, and logging Familiarity with IBM webMethods, DataPower Gateway, API Manager, and related tooling Ability to support deployments across Azure and AWS environments Nice to have: Experience with EA Sparx for data modelling Nice to have: Familiarity with Dimensions RM or similar requirements tools Responsibilities: Design, configure, and deploy API gateways Integrate REST and SOAP services Handle error management and logging Work with IBM webMethods and related tooling Contribute to secure-by-design delivery across the full lifecycle Support deployments across Azure and AWS environments Technologies: API AWS Azure IBM Support OAuth REST SOAP Security Cloud DevOps More: We are supporting a leading defence-sector client and are looking for an experienced Integration Engineer to join on a contract basis. This role is remote with occasional travel to Corsham/Bristol. We value respect and equality, and we are proud of the diverse and inclusive community we have built. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients. last updated 7 week of 2026