via Indeed · 16 September 2026 ·3 days ago

Commercial Manager (Mechanical)

sermech engineering services ltd
Bristol Full-time
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Commercial Manager (Mechanical)

£80,000–£110,000 DOE \+ benefits
Permanent or LTD Company considered
LTD engagement: Outside IR35 – rate to be negotiated
Bristol / South West \| UK project travel
Full\-time \| Monday to Friday

Help shape the next phase of Jefferis Engineering.

Jefferis Engineering Ltd is entering its next phase of growth and we are looking for an experienced Commercial Manager to join us and play a key part in it.

This is not simply a role for someone to produce monthly CVRs and report the numbers.

We are looking for someone commercially sharp, confident and proactive who can take real ownership of the commercial function, work closely with our Directors and project teams, protect margin, manage risk and help shape how the business develops.

For the right person, this is an opportunity to make a genuine impact.

About Jefferis Engineering

Jefferis Engineering Ltd is a specialist mechanical engineering business operating across two core areas:

  • Mechanical Pipework Projects

  • Fabrication \& Offsite Manufacturing
From our Bristol operation, we deliver mechanical pipework and associated engineering packages across commercial and industrial projects throughout the UK, working with major clients and Tier 1 contractors.

Alongside our site\-based Projects Division, we have our own fabrication and offsite manufacturing capability, delivering fabricated pipework, specialist welding, plant skids, packaged plant rooms, modular assemblies and bespoke mechanical solutions.

As our project portfolio and manufacturing capability continue to grow, we now need an experienced commercial professional to help us take the next step.

The Opportunity

As the Commercial Manager, you will have commercial responsibility across both our Projects Division and fabrication / offsite manufacturing operations.

You will work closely with the Directors, Contracts Managers, Project Managers, Estimating, Finance, Engineering and Fabrication teams.

Your job is simple to describe:

Make sure we understand the true commercial position of our projects, and act on it.

That means identifying risk early, ensuring change is captured, protecting contractual entitlement, maintaining and improving margin, managing cash flow and driving projects through to successful final account.

This is a senior role with genuine influence across the business.

Key Responsibilities

You will take responsibility for areas including:

  • Commercial management of multiple live mechanical engineering projects

  • Preparation and ownership of CVRs

  • Project forecasting, cost control and margin management

  • Contract review and commercial risk

  • Variations and change management

  • Applications, valuations and payments

  • Final account preparation and negotiation

  • Extensions of Time, delay and disruption

  • Contractual notices and commercial correspondence

  • Procurement and subcontractor commercial management

  • Cash\-flow forecasting and retention recovery

  • Commercial negotiations with clients and Tier 1 contractors

  • Ensuring additional works are instructed, recorded and recovered

  • Supporting dispute avoidance and resolution

  • Tender reviews and commercial input during pre\-construction

  • Improving commercial systems, controls and reporting as the business grows
More Than a Traditional QS Role

One of the things that makes this role different is the breadth of Jefferis Engineering.

Your commercial responsibility will extend beyond live construction projects into our fabrication and offsite manufacturing operations.

You will work alongside our workshop, engineering and procurement teams to understand and improve the commercial performance of fabricated and manufactured packages, including labour, materials, specialist welding, bought\-out components, engineering, plant skids, modular assemblies and installation.

If you come from a mechanical, M\&E, pipework, fabrication or specialist subcontractor background, you should find the role both familiar and refreshingly varied.

Who Are We Looking For?

You may currently be a:

  • Commercial Manager

  • Managing Quantity Surveyor

  • Senior Quantity Surveyor

  • M\&E Quantity Surveyor

  • Mechanical Quantity Surveyor

  • Commercial Consultant
Your Experience

We are particularly interested in candidates with strong experience in:

  • Mechanical / Pipework/construction or building services

  • Specialist subcontracting

  • Working commercially with Tier 1 contractors

  • JCT contracts

  • Fixed\-price contracting

  • CVRs, forecasting and cost control

  • Variations and change management

  • Applications and valuations

  • Final accounts

  • Procurement and subcontractor management

  • Delay, disruption and EOTs

  • Commercial negotiation

  • Managing multiple projects
Strong JCT and fixed\-price contract experience is particularly important for this role.

Experience within mechanical pipework, fabrication, offsite manufacturing or specialist engineering would be a significant advantage.

The Person

Technical commercial experience matters but so does attitude.

We want someone who is commercially astute, confident in negotiation and proactive rather than reactive.

You need to be comfortable challenging where necessary, dealing directly with Tier 1 commercial teams and working closely with Directors and operational teams.

Most importantly, we want somebody who takes ownership.

If something is commercially wrong, we want someone who sees it, understands it and acts on it.

Why Jefferis Engineering?

This is an opportunity to join us at an important point in our development.

You will work directly with the Directors and have the opportunity to:

  • Shape the commercial function

  • Influence commercial strategy

  • Improve systems and processes

  • Work across both projects and manufacturing

  • Help protect and improve project margins

  • Have genuine input into how the business develops
This is not a large corporate environment where you become another number in a commercial department.

You will be close to the projects, close to the decisions and able to see the impact of what you do.

For the right person, there is significant scope to grow with Jefferis Engineering as we embark on the next phase of the business.

Package

Permanent:
£70,000–£100,000 per annum depending on experience and capability, plus benefits.

LTD Company:
We will also consider an experienced Commercial Manager joining us full\-time on a LTD Company basis. Outside IR35 engagement, with rate to be agreed.

Bristol / South West
UK project travel as required
Full\-time
Permanent or LTD Company considered
Monday to Friday
Full UK driving licence required

Interested?

If you are an experienced Commercial Manager, Managing QS, Senior QS or M\&E QS looking for the opportunity to take real commercial ownership within a growing specialist engineering business, we would like to hear from you.

An informal conversation is very welcome.

Jefferis Engineering Ltd

07786 851515
l.moore@jetsltd.co.uk
www.j\-eng.co.uk

Recruitment Agencies: Please note that we do not accept speculative CVs sent directly to myself, senior management, or any other employee within the Jefferis Engineering Group.

Any CV submitted without prior written agreement from an authorised representative of the Jefferis Engineering Group will be deemed unsolicited, and no recruitment fee, introduction fee, or other charge will be payable should the candidate subsequently be employed.

Pay: £75,000\.00\-£100,000\.00 per year

Benefits:

  • Free parking

  • On\-site parking
Work Location: In person

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