Assistant / Intermediate Quantity Surveyor – Leading Developer / Contractor Location: Herts Salary: £40,(Apply online only) – £60,(Apply online only) package (DOE) Project: £100m New Build Residential Development Start: Immediate / ASAP Contract Type: Permanent An exciting opportunity has arisen for an Assistant or Intermediate Quantity Surveyor to join a leading developer and main contractor delivering a prestigious £100m new build residential scheme in North West London. This is a fantastic chance to join a top-tier business with a strong reputation for delivering high-quality developments. The role offers long-term career security, structured progression, and hands-on exposure to major projects within a supportive and professional team environment. Role Overview: You’ll be working closely with a Senior QS and wider commercial team, assisting with the full range of pre- and post-contract duties. The role will provide excellent mentorship, clear progression routes, and the opportunity to take on increasing levels of responsibility as you develop. Key Responsibilities: Assisting with procurement, cost planning, and tendering activities Managing subcontractor packages and valuations Supporting monthly cost reporting and cash flow forecasts Contributing to project financial control through to final accounts Liaising with site and project management teams to ensure commercial success What’s in it for you: Excellent salary and benefits package Opportunity to work on a landmark residential development Genuine career development and promotion prospects Exposure to large-scale construction projects with a market-leading contractor Supportive and collaborative team culture Requirements: Degree qualified (or equivalent) in Quantity Surveying or related discipline 2–6 year's experience with a main contractor or developer Strong commercial awareness and good communication skills Enthusiastic, proactive, and eager to progress your career If you’re an ambitious Assistant or Intermediate Quantity Surveyor looking for a long-term role with a respected developer, we’d love to hear from you. O’Neill and Brennan values diversity and promotes equality, All individuals will be treated in a fair and equal manner and in accordance with the law regardless of gender, marital status, race, religion, colour, age, disability or sexual orientation