Construction Sub Agent, Site Manager

Sub-Agent

• Freelance
• Kent/Essex Border
• Inside IR35
• £550 per day
• Long term

We are looking for a Sub-Agent to join the delivery team for a major UK infrastructure project. If you thrive in challenging, high-impact environments and want to lead key engineering surveys, this opportunity is for you!

• Plan, coordinate, and monitor subcontractor and self-delivered works to meet project milestones.
• Ensure quality standards are met across all deliverables.
• Liaise with environmental, commercial, and social teams to meet sustainability and community commitments.
• Manage budgets, procurement, design changes, and handover processes.
• Lead, mentor, and develop your engineering team.

• Proven experience in a similar role, ideally on large-scale infrastructure projects.
• Strong leadership, communication, and project management skills.
• Knowledge of NEC3/NEC4 contracts, construction regulations, and best practices.
• Ability to perform under pressure and deliver results against tight deadlines.

• Engineering or Construction Management degree (or related experience).
• Full UK driver's licence and fit for work medical.
• SMSTS
• CSCS card.
• Security Clearance and basic DBS check.
• Pre-start drug & alcohol test.