Senior Design Engineer

Job description

Senior Design Engineer (Plumbing & Heating)

Technical Leadership Opportunity

The opportunity

This is a senior technical role for an experienced Plumbing and Heating Design Engineer who enjoys solving complex problems and helping systems perform at their best.

You’ll play a key part in improving the long term reliability and performance of renewable heating systems across our customer portfolio. Working closely with our Service Delivery Manager and Project Delivery teams, you’ll lead on system redesign, upgrades and remedial work, while also supporting new installations through high quality, install ready designs.

This role is primarily based from our Heat Pumps Office in Dingwall, where you’ll work closely with delivery teams in a collaborative technical environment. The focus is on system design, investigation and problem solving, producing clear documentation and practical solutions that support our field teams and give customers confidence in their systems.

You’ll act as a trusted technical lead within the business, providing guidance, clarity and calm leadership on complex jobs, and helping us continuously improve how we design and deliver renewable heating systems.

What you’ll be doing

• Investigating underperforming or damaged systems and identifying root causes
• Designing upgrades, remedial works and system improvements
• Producing detailed plumbing and heat pump designs, schematics and sizing calculations
• Creating clear drawings, Bills of Materials and work instruction packs for installers
• Supporting new installations with compliant, practical system designs
• Working closely with the Service Delivery Manager to plan and prioritise complex service jobs
• Providing technical guidance to installers and field engineers throughout delivery
• Acting as an escalation point for challenging technical issues
• Ensuring all designs meet AES standards and safety requirements
• Maintaining accurate system records following post install changes
• Sharing technical insight with delivery teams to improve future installations
• Identifying recurring issues and feeding learning back into training and product decisions
• Building strong working relationships across service, projects and operations

Who this role is for

This role would suit someone who:

• Has strong experience designing plumbing and low temperature heating systems, including heat pumps
• Enjoys technical problem solving and improving system performance
• Is confident producing detailed drawings, schematics and documentation
• Communicates clearly with engineers, installers and project teams
• Takes pride in practical, buildable designs
• Is calm under pressure and comfortable supporting complex projects
• Values collaboration and shared success
• Wants to play a meaningful role in the transition to renewable energy

If you don’t meet every requirement but feel this could be the right next step for you, we’d still really like you to apply.

What we offer

• Competitive salary, based on experience
• A senior technical role with real influence on quality and performance
• A supportive, collaborative working environment
• The chance to work on meaningful renewable energy projects
• Long term development opportunities within a growing renewables business
• The opportunity to be part of the longest standing renewables installer in the UK

If you are interested in applying or have any questions, please email us at

hr@aes-renewables.co.uk or call us on (01309) 676 911.

We look forward to hearing from you!

Extra information

Status

Open

Education Level

Secondary School

Location

Dingwall

Type of Contract

Full-time jobs

Published at

12-02-2026

Profession type

Design / Fashion

Full UK/EU driving license preferred

No

Car Preferred

No

Must be eligible to work in the EU

No

Cover Letter Required

No

Languages

English