Application Deadline September 15, 2025 Department Transport Operations Employment Type Zero Hours Location Swansea Workplace type Onsite How we do things What we need from you What’s in It for You? About Seras At Seras our biomass fuel expertise has been developed over the last 12 years. We process waste wood and supply 1.7 tonnes of biomass fuel to a network of UK power plants. The carbon savings made through our waste wood business is equivalent to the emissions created by driving 1.7 million miles a year in a VW Golf every year.