Graduate EngineerChemical EngineerArea Manager (Operations)Senior EngineerSite Manager / Site Director
 |||G|||ESafety, Health and Environment Manager 
 |||G|||ETraining and Development Manager 
 |||G|||FSite Manager / Site Director 
 |||EResearch and Development Manager (Chemicals)Site Manager / Site Director 
 |||FSenior EngineerSite Manager / Site Director