Location: Harpenden Contract Type: Temporary (6 months, ASAP start) Pay Rate: £400-£450 per day (Umbrella PAYE only) Working Hours: 7:30am - 5:30pm, Monday to Friday The Opportunity Join a leading UK infrastructure contractor on a significant upgrade project at a large sewage treatment facility in Harpenden. This site-based role offers the chance to work on modernising essential assets, ensuring long-term reliability and compliance with environmental standards. Key Responsibilities Provide engineering support and technical assurance on site. Manage health & safety documentation and compliance Assist trainee and graduate engineers Perform setting out and surveying duties Supervise site engineers and coordinate with delivery teams Monitor construction progress and maintain accurate records Support value engineering and resolve technical queries Report to the site agent and contribute to site managementWhat You'll Need to Succeed HNC/HND or Bachelor's degree (or equivalent experience) in a civil, mechanical, electrical, or related engineering discipline Experience on infrastructure or wastewater construction projects Proficiency in setting out, surveying, and interpreting technical drawings/specifications Strong analytical and problem-solving skills Knowledge of construction methods, health & safety, and site quality procedures Experience with temporary works and relevant software (e.g., AutoCAD, MS Office...