IFF Benicarló, S.L. in Benicarló, Spain, seeks a senior engineer to own Safety Instrumented Systems (SIS) performance, compliance and lifecycle management on site.You will design, validate, test and verify SIS in alignment with IEC 61511, define and maintain safety interlocks, and support capital projects with safety-focused execution. Join a safety‑first team collaborating with operations, maintenance, EHS and projects to drive reliability, risk reduction and continuous improvement.