Building Services Estimator

Job type:Perm
Town/City:London
County:London
Discipline:Supervision & Technical
Job ref:246203
Post Date:23. 02. 2026
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Meet Our Recruiter

Lauren Bryan
Lauren Bryan
Consultant – Construction and Building Services

About the Role

1st Step Solutions are supporting an M&E Contractor who have an opportunity for a Building Services Estimator on a Permanent basis based in Barbican.

Job overview:
To produce accurate, competitive, and timely cost estimates for both mechanical and electrical building services tenders. The role supports the assessment of project risks, opportunities, and commercial viability while ensuring clear communication with internal teams, clients, and the supply chain.
You will manage tenders from Initial Tender (ITT) through to submission, ensuring they are fully developed, technically compliant, and ready for final review by the Preconstruction Lead/Manager.

Key Responsibilities
* Work collaboratively within the Preconstruction team to deliver accurate and well-structured estimates.
* Review enquiry documentation to fully understand project scope and take ownership of the Document Checklist.
* Prepare tenders in line with company procedures, standards, and governance requirements.
* Consider logistics, programme constraints, constructability, and site-specific factors when compiling bids.
* Quantify works, prepare detailed take-offs, and ensure the prime cost is fully understood.
* Input accurate cost data into estimating software (e.g., Amtech or equivalent).
* Identify and evaluate technical, commercial, and contractual risks within enquiries.
* Review contract conditions and highlight key risks to the Preconstruction Manager early in the process.
* Prepare and issue accurate enquiries to suppliers/subcontractors within tender timescales.
* Build strong working relationships with internal teams and external partners.
* Manage and report progress throughout the tender lifecycle.
* Raise technical and commercial queries internally and externally where required.
* Present bid scope and deliverables clearly at settlement meetings for senior management review.
* Share best practice with colleagues to strengthen estimating capability.
* Manage workload effectively to meet strict tender deadlines.
* Ensure submissions are completed, reviewed, and approved in a timely manner.

Technical Competencies
* Proficient in Microsoft 365 applications (Excel, Word, PowerPoint, Outlook).
* Competent in estimating software such as Amtech (or equivalent).
* Strong understanding of EPDS processes and project compliance requirements.

Experience & Knowledge
* Proven estimating experience within Rail, Commercial, or Industrial sectors.
* Detailed knowledge of RMM and NRM measurement methodologies.
* Ability to technically assess supplier quotations.
* Experience managing and engaging with supply chains.
* Background in preparing budget and detailed cost estimates.

Qualifications
* HNC/HND in Mechanical or Electrical Engineering (or related discipline)

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