Description We are looking for a talented Test Operations Senior Technician – Test Cells to join our team specializing in Engineering for our DTO Product Development Department in Darlington, United Kingdom. This is an onsite role with a rotational shift. Rotating 4 Week Shift Pattern of 12 Hour Shifts (7am - 7pm / 7pm - 7am) Fri - Day, Sat - Day, Sun - Day Fri - Night, Sat - Night, Sun - Night Fri - Day, Sat - Day, Sun - Day, Mon - Day Fri - Night, Sat - Night, Sun - Night In this role, you will make an impact in the following ways : Test Cell Uptime Optimization: Conducts trouble shooting and fault finding to keep test cells running efficiently and minimize downtime. Engine Preparation and Diagnostics: You will conduct teardowns, rebuilds, and fault rectification to ensure engines are test-ready and issues are addressed promptly. Collaborative Team Support: You will actively support colleagues with engine installations and part changes to boost overall productivity and teamwork. Accurate Data Recording: Document torque settings, wear conditions, and other key data to support engineering analysis and traceability. Advanced Equipment Operation: You will operate systems like AVL PUMA and combustion analysers to ensure precise testing and reliable data acquisition. Technical Insight and Innovation: You will apply your deep knowledge of diesel engines and emissions systems to improve testing processes and outcomes. Work shift patterns as required by 24/7 business needs Responsibilities To be successful in this role you will need the following: Strong Mechanical and Diagnostic Skills: You need hands-on experience with engine teardowns, rebuilds, and fault diagnosis to ensure engines are prepared and tested accurately and efficiently. Technical Knowledge and Tool Proficiency: You should be familiar with diesel engines, emissions systems, and test cell systems like AVL PUMA, as well as combustion analyzers and gaseous measurement equipment. Teamwork and Communication: You must be able to work collaboratively, support colleagues across test cells, and communicate clearly to maintain smooth operations and maximize cell utilization. Flexibility and Commitment: You need to be adaptable to shift work and committed to maintaining high standards in a fast-paced, 24/7 testing environment. Qualifications Education/ Experience: High school diploma, certificate of completion of secondary education or equivalent experience in an appropriate STEM field is required. ONC/HNC mechanical engineering or equivalent or extensive relevant experience. Working towards HNC or equivalent would be considered Requires significant relevant work experience or specialized skills obtained through education, training or on-the-job experience. The compensation for this role is aligned with a local bargained or unionized agreement