Freelance Senior Site Engineer – Modular Build Location: Luton (projects across the area) Engagement: Freelance - Outside IR35 or CIS Duration: 6 Months An experienced Senior Site Engineer is required to support a modular build contractor delivering a range of projects across the Luton area. Key Responsibilities: * Setting out for modular building installation and associated civils works * Checking drawings, measurements, and ensuring works meet specification * QA, ITPs, and site documentation management * Liaising with subcontractors, site teams, and project leadership * Supporting programme delivery across multiple projects Requirements: * Proven experience as a Senior Site Engineer (ideally with modular build exposure) * Strong knowledge of setting out, QA, and site engineering processes * CSCS card essential; SSSTS/SMSTS and First Aid preferred * Proficient in AutoCAD and setting out instruments * Full UK Driving Licence (essential) * Security Clearance: Able to pass checks for access to MOD and MOJ establishments