Design Engineer

Overview

Dehum is a leading provider of industrial dehumidification and air handling systems, trusted by clients across aerospace, defence, energy, coatings, and advanced manufacturing. We specialise in designing and building bespoke, high-performance humidity control systems for some of the most demanding applications in the UK and worldwide.

Our reputation is built on engineering excellence, innovation, and real-world problem-solving
. Every project we deliver makes a measurable impact for our clients, and now, we’re looking for the right person to help us keep raising the bar.

The Role:

We’re looking for a practical, detail-driven Design Engineer to join our growing engineering team.

This is a hands-on design role where you’ll take ownership of projects from concept through to production and installation
, working closely with our Engineering Director, colleagues, suppliers, and customers.

You won’t just be sat behind a screen, you’ll see your designs come to life in the field, solving real-world challenges across multiple industries.

If you thrive on technical problem-solving, variety, and the satisfaction of seeing your work in action
, this role could be the perfect fit.

• Design bespoke dehumidification and air handling systems using 2D/3D CAD software.
• Carry out airflow, psychrometric, and heat load calculations to ensure system performance.
• Select and specify components including fans, filters, coils, heaters, desiccant wheels, and controls.
• Produce fabrication drawings, wiring schematics, and accurate Bills of Materials (BOMs).
• Collaborate with project managers, site engineers, and suppliers to deliver successful projects.
• Support technical documentation including CE/UKCA compliance, EMC/LVD directives, and risk assessments.
• Contribute to product development and continuous improvement projects.
• Attend site visits and assist with installation or commissioning where needed.
• Site visits are typically UK based but can be worldwide.

• Degree or HNC/HND in Mechanical Engineering, Building Services, or HVAC Design.
• Minimum 3 years’ experience in HVAC, AHU, or related equipment design.
• Proficiency in CAD software (AutoCAD, Solid Works, or Inventor).
• Solid understanding of thermodynamics, fluid dynamics, and ventilation systems.
• Confident in producing technical documentation and mechanical drawings.
• Experience with desiccant dehumidification or bespoke air handling units.
• Knowledge of ATEX requirements and hazardous area applications.
• Familiarity with CE/UKCA marking, EMC, LVD, and Machinery Directives.
• Basic knowledge of electrical systems, wiring, or motor drives.

• Strong engineering design and analytical skills.
• Practical problem-solving ability.
• Excellent CAD drafting and modelling skills.
• Clear technical communication (both written and verbal).
• Attention to detail and accuracy.
• Ability to manage multiple projects and deadlines.
• A collaborative, team-oriented approach.
• Confident in customer-facing situations, able to represent the business professionally.
• Willingness to travel and attend client sites as part of project delivery.

At Dehum, you won’t be a small cog in a big machine. You’ll be part of a tight-knit team where your input genuinely matters
, and you’ll see your designs make a real-world impact across industries.

• 25 days annual leave plus bank holidays.
• Company pension scheme.
• Free on-site parking.
• Working hours (core: 9 AM – 5 PM).
• Ongoing training and professional development.
• Friendly, supportive working environment.
• Convenient location: just a 5-minute walk from Glossop Train Station.
• Job Type: Full-time, Permanent
• Location:
  
  Glossop, in-person role
• Schedule:
  
  Monday to Friday (9am till 5pm)