# Mechanical Design Engineer

> Colloide · Limavady, United Kingdom (Hybrid) · Full-time · Posted 2026-11-10

**Workplace:** hybrid

**Department:** Engineering

## Description

**\*\*Sponsorship VISA not offered\*\*\***

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**Product Design & Engineering**

Permanent · Engineering · Limavady

**Key Deliverables of the Role**

·        Accurate, compliant and high-quality designs for our water, wastewater and energy products and schemes, delivered to programme and to budget.

·        Complete design information — 3D models, 2D and fabrication drawings, calculations, BOMs, P&IDs, equipment schedules and control philosophies — produced and checked in line with the Quality Management System.

·        Products designed to meet applicable UK and EU safety and conformity requirements, with risk assessments and technical file content prepared to support CE/UKCA marking.

·        Plant manufactured, delivered, installed and commissioned correctly, supported by effective liaison with production, construction and site teams.

·        Continued personal technical development, contributing to the capability and standards of the design team.

**Job Purpose**

To deliver the engineering design of Colloide's products and schemes across the Water, Wastewater and Energy sectors — including district heating, chemical dosing and water and wastewater treatment technologies — ensuring every design is safe, compliant, high quality, and delivered to programme and budget, reporting to the Senior Mechanical Design Engineer / Design Manager.

**Key Responsibilities and Accountabilities**

**Product Design & Mechanical Engineering**

You will carry out design engineering work across our product range, including:

·        Mechanical design of products and subsystems from requirements definition through detailed design, validation and production release.

·        Design of products for the Water, Wastewater and Energy industries, including district heating, chemical dosing and treatment systems.

·        Creation of 3D models and assemblies in SolidWorks, and 2D and fabrication drawings, using AutoCAD where required.

·        Creation of engineering design data, including P&IDs, bills of materials, equipment schedules, calculations, control philosophies and component specifications.

·        Development of risk assessments, ITPs (Inspection & Test Plans) and method statements for each project, and contribution to HAZOP studies.

·        Quality checks on products, and preparation of O&M manuals and supporting project documentation.

·        Site attendance for surveys, design reviews, installation and commissioning of equipment.

·        Liaison with the production and construction teams to ensure plant is manufactured, delivered and installed correctly.

·        Building strong, professional client relationships and effective communication throughout project delivery.

**Systems, Quality & Continuous Improvement**

·        Develop product designs using SolidWorks and manage design data within SolidWorks PDM.

·        Work within and follow the company's Quality Management System (ISO 9001), tracking and monitoring internal and external information exchanges.

·        Use Procore and other business management tools as required.

·        Identify and propose improvements to design processes, procedures and standard details.

**Regulatory & Legal Compliance**

Working with the Senior Mechanical Design Engineer / Design Manager, you will ensure designs meet their legal safety and conformity obligations across Northern Ireland, Great Britain and the EU:

·        Design to the Essential Health and Safety Requirements of the EU Machinery Regulation (EU) 2023/1230 (EU and Northern Ireland) and the Supply of Machinery (Safety) Regulations 2008 (Great Britain).

·        Apply the relevant harmonised/designated standards to each design.

·        Prepare product risk assessments and contribute to technical files, Declarations of Conformity/Incorporation and CE/UKCA marking.

·        Take account of Low Voltage, EMC, Pressure Equipment and ATEX requirements and CDM 2015 designer duties in design.

·        Review and mark up design information from subcontractors and suppliers, providing redline comments as required.

**Project Delivery & Teamwork**

·        Work effectively as part of the Engineering Department to deliver high-quality products in line with customer expectations.

·        Deliver assigned design tasks in line with project programmes and priorities set by the Senior Mechanical Design Engineer / Design Manager.

·        Respond to technical queries and RFIs, and support the assessment of engineering change requests.

·        Participate in design reviews, lessons learned reviews, non-conformance management and root cause analysis.

·        Record time against projects accurately and report progress as required.

## Requirements

**Essential Criteria**

·        Minimum 2:2 Honours degree or equivalent in Mechanical Engineering, or a related product design or engineering subject.

·        Minimum of 3 years' post-graduate experience in a similar design engineering role.

·        Proficient in SolidWorks, with the ability to generate complex 3D assemblies and drawings.

·        Flexibility and adaptability; the role involves travel, mainly within the UK and Ireland.

·        Full current driving licence and access to a car.

·        Excellent organisational, interpersonal and communication skills.

·        Proficient in Microsoft Word, Excel, Outlook and Project.

**Desirable Criteria**

·        Experience in the water, wastewater or district heating industries.

·        Experience working in a fabrication environment.

·        Knowledge of chemical dosing systems.

·        Experience of SolidWorks PDM.

·        Working knowledge of AutoCAD.

·        Knowledge of machinery safety, CE/UKCA marking and technical file preparation.

·        Working towards professional registration (IEng/CEng).

## Benefits

Private Health Care Scheme

Hybrid working

Length of service awards

Uniform

Free on site parking

## Apply

[Apply at Colloide](https://apply.workable.com/colloide/j/AB6281A38D/apply)

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