IFAE in Spain seeks a Verification & Validation Engineer for the LST project, located in La Palma or at the UAB site in Barcelona depending on profile. You will plan, execute, and document verification activities for the Large-Sized Telescope. Reporting to the Lead System Engineer, you will collaborate with LST coordinators to develop test plans, run functional tests, review procedures, and ensure traceability. English proficiency and willingness to travel in Europe are required.