This job posting is for an Internal Sales Engineer position in West Sussex, UK. The company is a leading global supplier of process instrumentation with over 1,000 employees and annual turnover of 216 million Euros. The role involves handling customer inquiries, providing sales support to external engineers, preparing quotations, promoting products, and general office duties. The ideal candidate will have PC skills, understanding of quality procedures, knowledge of level control systems, ability to perform under pressure, strong communication skills, and experience working under quality standards.