Senior Estimator - Civils / InfrastructureLocation: Welwyn Garden City, Hertfordshire (Hybrid: minimum 3 days office/client site)Salary: £70,000 - £90,000 DOE + Car Allowance + Pension + Increasing Annual LeaveRecruiter:Specialist Recruitment Agency (representing an anonymous client)Are you an experienced Estimator with a background in civil engineering or infrastructure works? Are you looking to join a growing contractor where you can influence bid strategy, lead tender activity, and play a key role in securing new projects?We are recruiting on behalf of a well-established civils contractor with a strong presence in rail, drainage and utilities. Due to growth, they are seeking a Senior Estimator to join their Welwyn Garden City office.The company is open to a wide range of backgrounds - including Estimators who have worked their way up from the tools and have a grounded understanding of construction processes. Rail experience is helpful but not essential; strong civils experience is equally valued.The RoleYou will lead and develop detailed estimates for civils and drainage works across projects typically valued up to £5m. Working closely with bid, engineering, commercial and planning teams, you''ll ensure tenders are accurate, competitive and aligned with strategic objectives.This is a hands-on role suited to someone who enjoys collaboration, problem solving and shaping tender strategy from early engagement through to handover.Key ResponsibilitiesProduce detailed estimates i