Founded in 1907 as a small family-run business, John G Mackintosh has grown steadily over the years, guided by values that remain central to our success today: Integrity, Diligence, Professionalism, and Collaboration. These principles define our culture and shape the way we work with colleagues, clients, and partners.
Our vision is to be Scotland’s preferred choice for building service solutions, and every member of the JGM team contributes to achieving that goal.
JGM delivers high-quality building services solutions across multiple sectors, supporting clients through safe, reliable, and high-performing engineering delivery.
We are proud to be an equal opportunities employer, committed to providing a workplace free from discrimination, where everyone is treated with respect and fairness.
JGM is committed to equality, diversity, and inclusion and welcomes applications from all suitably qualified candidates.
Role Overview
The Trainee Estimator will support the estimating and pre-construction teams in preparing cost estimates, tender submissions, and pricing documentation for projects. The role provides an excellent opportunity to develop commercial, technical, and analytical skills while gaining experience in construction and engineering project tendering.
The successful candidate will work alongside experienced estimators and commercial teams while receiving structured training and development.
Health, Safety & Environment
Safety is a core value at JGM and must always be a primary consideration in all work activities.
All employees have a responsibility under the Health & Safety at Work Act 1974 to:
* Take reasonable care of themselves and others who may be affected by their actions or omissions,
* Ensure the health, safety, and welfare of colleagues and visitors,
* Protect, as far as reasonably practicable, others from risks arising from work activities.
All duties must be carried out in accordance with company Health, Safety, and Environmental policies and procedures.
Key Responsibilities
* Support preparation of project cost estimates and pricing submissions,
* Assist with reviewing drawings, specifications, and tender documentation,
* Support preparation of Bills of Quantities, cost breakdowns, and pricing schedules,
* Assist with obtaining supplier and subcontractor quotations,
* Support maintaining estimating cost databases and historical cost records,
* Assist with tender document preparation and submission coordination,
* Support bid reviews and internal estimating meetings,
* Learn estimating software and commercial systems,
* Support project handover documentation from tender stage to delivery teams,
* Work closely with estimating, commercial, and project teams
* Strong numerical and analytical skills,
* Good attention to detail and accuracy,
* Good organisational and time management skills,
* Good communication and teamwork skills,
* Willingness to learn commercial and technical processes
* Interest in construction, engineering, or commercial project work,
* Basic understanding of construction or engineering processes,
* Basic IT skills including Microsoft Excel
Qualifications
* Good general education (GCSEs or equivalent, including Maths and English preferred)
* Relevant college course in Construction, Engineering, or Business,
* Working towards or interest in Quantity Surveying, Commercial Management, or Engineering career pathways
Training & Development
* Structured on-the-job training,
* Support from experienced estimating and commercial professionals,
* Opportunity to progress into Estimator or Commercial roles,
* Potential support towards further education or industry qualifications
General
This job description outlines the main responsibilities and duties of the role but is not exhaustive. The post holder may be required to undertake other duties within the company as necessary, consistent with the level of responsibility and competence of the role.
JGM reserves the right to amend or update this job description in line with business needs and company priorities.
* Salary: Competitive (Depending on Experience)
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