Commissioning Engineer – Hertfordshire – £450–£500/day (Outside IR35) Deliver Excellence in Water Infrastructure Commissioning The Role/About You We’re looking for a skilled and driven Commissioning Engineer to support the delivery of key water infrastructure upgrades within the Thames Water region. Based in Slough, this role is ideal for someone with a strong technical background in MEICA commissioning—particularly within wastewater treatment—and a proactive approach to project delivery. You’ll be responsible for managing commissioning activities across multiple sites, ensuring systems are tested, validated, and handed over in line with programme and compliance standards. The role requires excellent documentation skills, stakeholder coordination, and a hands-on approach to problem-solving. This is a fantastic opportunity for someone who thrives in a fast-paced environment and is confident working independently while collaborating with design, delivery, and client teams. The Company Join a dynamic infrastructure delivery team working on high-impact water sector projects. With a strong pipeline of work and a collaborative culture, this is a great opportunity to contribute to meaningful environmental improvements while advancing your career. Next Steps If you are a dedicated and experienced Commissioning Engineer looking for your next challenge, we'd love to hear from you. For more information, contact (url removed) or call Will on (phone number removed). Ganymede is committed to creating a diverse workforce and is an equal opportunities employer. We welcome applications from all suitably qualified persons regardless of age, disability, gender, marriage and civil partnership, pregnancy and maternity, race, religion or belief, sex, and sexual orientation