Senior Mechanical Estimator / Quantity Surveyor (Remote)
Turner & TownsendAI summary
The Senior Mechanical Estimator / Quantity Surveyor will prepare mechanical cost estimates, manage vendor assessments, and oversee commercial management of Mechanical Building Services and Process Utility installations for a semiconductor manufacturing facility.
Job Description
Turner & Townsend are looking for an experienced Mechanical Estimator / Quantity Surveyor to join our consultancy team supporting the delivery of a major semiconductor manufacturing facility. The successful candidate will be independently responsible for the preparation and presentation of mechanical cost estimates, quantity take-offs and commercial management of complex Mechanical Building Services and Process Utility installations.
The ideal candidate will be driven and promote our Turner & Townsend purposes and values.
Responsibilities:
- Advising client on strategies, managing prequalification of vendors, assessing proposals, bids, change orders, and bid levelling documents, making final recommendations to the client, attending & chairing bid interviews, and managing appointment process.
- Ability to independently evaluate contractor and subcontractor tenders and prepare commercial recommendations.
- Review, validate, and negotiate variations, change orders, and compensation events.
- Provide side-by-side cost comparison
- Perform high level review of change orders, validating quantities; rates and scopes of work as aligned with standard industry practices and contract documents
- Ability to understand Class 2 estimates (preferred)
- Self-perform Class 3 estimates on select submissions (as warranted)
- Manage, review and present estimates of complicated change orders as prepared by the estimating department.
- Benchmark performance against other successful commissions.
- Assist with change management in a fast-track design and construction environment.
- Perform all the duties above through the use/preparation of Bid Analysis Sheets, Change Control Forms, Cost Estimating Software, and Take-off Software.
- SOX control responsibilities may be part of this role, which are to be adhered to where applicable.
Project/Program specifications:
- Project/Program specific responsibilities: Provide commercial management support for specialist mechanical systems
- Market sector experience: Industrial Technology, Semiconductor (a plus), Data Center (a plus)
- Project/program size in dollar value: +$500m (+$2b preferred)
- System familiarity: Mechanical dry/wet, Plumbing, Fire Suppression and Process (a plus)
- Software specific requirements: MS Suite, Bluebeam, digital cost management tools and/or estimating software
- BIM-based quantity extraction (a plus)
- Knowledge of semiconductor facility infrastructure and construction methodologies (a plus)
- Familiarity with: MCAA, SMACNA, RS Means (a plus)
- Certification requirements: RICS (a plus)
Requirements
- Minimum 5 years of relevant experience working in a Quantity Surveying and/or estimating role in the construction industry.
- Strong knowledge of construction contracts
- RICS accredited or working towards it is valuable
- Experience supporting cost management on medium or large sized construction projects.
- Construction consultancy experience is strongly preferred.
- Good knowledge of construction industry technical matters, such as different procurement routes, value management, and value engineering.
- Strong communication skills.
About the job
- Posted on
- Aug 19, 2026
- Job type
- Contract
- Location
- Seattle, Washington, usOn-site
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