Job Title:

Senior Mechanical Quantity Surveyor / Estimator

Location:

Dublin, Ireland (office-based with site visits as required)

Reports To:

Commercial Manager / Managing Director

Company Overview:

We are a Dublin-based mechanical services contractor delivering high-quality HVAC, plumbing, soils & wastes, fire protection, and energy-efficient plant installations across the commercial, residential, healthcare, and education sectors.

Our project values range from 10,000 to 5 million, and we pride ourselves on delivering technically robust, cost-efficient, and compliant solutions that meet the highest industry standards.

As we continue to grow, we are seeking an experienced Senior Mechanical QS / Estimator to strengthen our commercial team and lead the financial and technical management of projects from tender stage through to final account.

Role Purpose:

To lead the pre-contract estimating and post-contract commercial management of mechanical projects ensuring accurate pricing, cost control, and commercial compliance. The successful candidate will combine strong technical knowledge of building services systems with proven commercial expertise and leadership skills.

Key Responsibilities:

Pre-Contract / Estimating

• Manage the full tender process for mechanical projects up to 5 million.
• Review tender documentation (drawings, specs, schedules) to identify scope, risks, and clarifications.
• Carry out detailed quantification and take-offs using CostX or similar measurement software.
• Prepare Bills of Quantities, detailed cost breakdowns, and tender summaries.
• Obtain, evaluate, and negotiate supplier and subcontractor quotations.
• Prepare value engineering options and assist with design development for cost efficiency.
• Present tender adjudication summaries to senior management.
• Support the business development team with pricing input for frameworks, repeat clients, and negotiated tenders.

Post-Contract / Quantity Surveying:

• Oversee the commercial management of awarded projects from handover to final account.
• Prepare and submit monthly valuations, variations, cost forecasts, and progress reports.
• Track and analyse labour, material, and subcontractor costs against budget using LiveCosts or equivalent software.
• Manage change control and variation claims, ensuring timely and accurate submissions.
• Liaise closely with Project Managers and Site Supervisors to monitor progress and mitigate cost risks.
• Prepare final accounts and lead commercial negotiations with clients and subcontractors.
• Maintain robust project records, correspondence, and documentation in line with company procedures.

Leadership & Continuous Improvement:

• Mentor and support junior QSs and estimators, ensuring consistency and accuracy across the team.
• Help develop and maintain tender libraries, rate databases, and commercial templates.
• Support the implementation of integrated management systems such as Procore and LiveCosts.
• Promote a strong commercial awareness culture throughout the business.

Qualifications & Experience:

• Degree or diploma in Quantity Surveying, Building Services, or Mechanical Engineering.
• Minimum 7+ years experience with a mechanical contractor or M&E services provider.
• Proven experience pricing and managing projects ranging from 10k to 5 million.
• Strong working knowledge of CostX, Excel, and standard measurement rules (ARM4 / NRM2).
• Familiarity with Irish construction contracts (RIAI, Public Works, NEC).
• Excellent commercial negotiation, communication, and analytical skills.
• Capable of working independently and managing multiple concurrent projects.

Package:

• Competitive salary (commensurate with experience).
• Company vehicle or allowance.
• Performance-based bonus structure.
• Pension contribution.
• Ongoing professional development and CPD support.
• Hybrid working options following onboarding.

Key Performance Indicators (KPIs):

• Accuracy of tender estimates versus actual project costs.
• Margin retention and cost control on live projects.
• Timeliness and accuracy of valuations, variations, and reporting.
• Quality and completeness of tender documentation.
• Mentorship and contribution to team development.