Groundworker - Immediate Start - Long Term Work - Hertford Groundworker. Our client, a groundworks sub-contractor who operate throughout the southeast, are looking for a groundworker to join their team for various projects in Hertfrdshire The ideal candidate will have experience with pipe laying.Groundworker - Immediate Start - Long Term Work - Hertford Groundworker. Our client, a groundworks sub-contractor who operate throughout the southeast, are looking for a groundworker to join their team for various projects in Hertfrdshire The ideal candidate will have experience with pipe laying. If you are an experienced groundworker, have a CSCS card, PPE, a driving licence and are available immediately for work in Hertfordshire, then we would love to hear from you