Mechanical Design Engineer – Intermediate to Senior/ Principal
Mechanical Design Engineer – Intermediate to Senior/ Principal

Mechanical Design Engineer – Intermediate to Senior/ Principal

Full-Time 30000 - 60000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Design innovative mechanical systems for buildings and collaborate with diverse teams.
  • Company: Established consultancy focused on sustainable building services in Warrington.
  • Benefits: Competitive salary, hybrid working, flexible hours, and long-term career development.
  • Why this job: Join a team that values quality engineering and offers real ownership of your work.
  • Qualifications: Experience in mechanical design and strong communication skills required.
  • Other info: Opportunities for progression to senior or principal roles in a supportive environment.

The predicted salary is between 30000 - 60000 £ per year.

Location: Cheshire – Warrington (Office Based / Hybrid)

Duration: Permanent

Employment Type: Full–Time, Permanent

Posted: 12 Jan 2026

Job Ref: PGA/12/01/mech

Salary: GBP35,000 – GBP60,000 (depending on experience)

Our client is a well–established building services design consultancy, expanding its Mechanical Engineering team in Warrington and looking for experienced designers ranging from intermediate to senior or principal levels. This team is passionate about delivering comfortable, efficient and sustainable mechanical systems that underpin high–quality built environments.

The Opportunity

You’ll be involved in the full lifecycle of mechanical building services design, working closely with electrical, public health and BIM teams to deliver coordinated, efficient solutions. Typical responsibilities include:

  • Mechanical design of HVAC, ventilation, heating and cooling systems
  • Producing calculations, reports, specifications and technical drawings
  • Developing energy–efficient, practical designs aligned with project objectives
  • Coordinating designs across disciplines using BIM–led workflows
  • Supporting and mentoring junior engineers (for senior/principal level)
  • Contributing to design reviews and client discussions

What They’re Looking For

  • Proven experience in mechanical building services design within a consultancy or design led environment
  • Solid understanding of UK building regulations, standards and best practice
  • Confidence in managing your own design workload and contributing to team delivery
  • Strong communication skills and a collaborative mindset
  • Experience with Revit/BIM environments is highly desirable

Why This Role Stands Out

  • Projects are properly resourced and well planned, no constant firefighting
  • Strong emphasis on engineering quality and sustainability, not just delivery speed
  • Engineers are trusted, listened to, and given real ownership of their work
  • Clear progression routes for those stepping into senior or principal positions
  • A professional, down to earth culture with low staff turnover

What’s On Offer

  • Competitive salary depending on experience and level
  • Hybrid working and flexible hours
  • Long term career development rather than short term promotion promises

If you’re a Mechanical Design Engineer looking for a role where good engineering is genuinely valued, I’d be happy to talk confidentially.

Mechanical Design Engineer – Intermediate to Senior/ Principal employer: Parkinson Gray Associates

Our client is a leading building services design consultancy based in Warrington, offering a supportive and collaborative work environment where engineers are empowered to take ownership of their projects. With a strong focus on quality and sustainability, employees benefit from competitive salaries, hybrid working options, and clear pathways for career advancement, making it an ideal place for those seeking meaningful and rewarding employment in mechanical design engineering.
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Contact Detail:

Parkinson Gray Associates Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Mechanical Design Engineer – Intermediate to Senior/ Principal

Network Like a Pro

Get out there and connect with people in the industry! Attend events, join online forums, or even reach out to folks on LinkedIn. We all know that sometimes it’s not just what you know, but who you know that can help land that dream job.

Show Off Your Skills

When you get the chance to chat with potential employers, don’t hold back! Share your past projects and experiences that highlight your mechanical design skills. We want to see how you’ve tackled challenges and delivered efficient solutions.

Prepare for Interviews

Do your homework before interviews! Understand the company’s values and projects, especially their focus on sustainability and quality. We recommend practising common interview questions and preparing some of your own to show your interest.

Apply Through Our Website

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who take that extra step to engage with us directly.

We think you need these skills to ace Mechanical Design Engineer – Intermediate to Senior/ Principal

Mechanical Design
HVAC Systems
Ventilation Systems
Heating and Cooling Systems
Calculations and Reporting
Technical Drawings
Energy-Efficient Design
BIM Coordination
Revit
UK Building Regulations
Communication Skills
Team Collaboration
Mentoring
Design Reviews

Some tips for your application 🫡

Tailor Your CV: Make sure your CV reflects the specific skills and experiences that match the Mechanical Design Engineer role. Highlight your experience with HVAC systems, BIM workflows, and any relevant projects you've worked on.

Craft a Compelling Cover Letter: Use your cover letter to tell us why you're passionate about mechanical design and how you can contribute to our team's success. Mention your understanding of UK building regulations and your collaborative mindset.

Showcase Your Technical Skills: Don’t forget to mention your proficiency in Revit or other BIM tools. We love seeing candidates who can demonstrate their technical abilities and how they’ve applied them in past projects.

Apply Through Our Website: We encourage you to apply directly through our website for a smoother application process. It helps us keep track of your application and ensures you don’t miss out on any important updates!

How to prepare for a job interview at Parkinson Gray Associates

Know Your Mechanical Design Inside Out

Make sure you brush up on your knowledge of HVAC, ventilation, and heating systems. Be ready to discuss specific projects you've worked on and how you tackled challenges. This will show your expertise and passion for mechanical design.

Familiarise Yourself with BIM and Revit

Since experience with Revit and BIM environments is highly desirable, ensure you can speak confidently about your experience with these tools. Bring examples of how you've used them in past projects to improve efficiency and collaboration.

Showcase Your Communication Skills

This role requires strong communication and a collaborative mindset. Prepare to discuss how you've worked with other teams, like electrical or public health, and how you’ve contributed to design reviews. Highlighting your teamwork will set you apart.

Emphasise Your Commitment to Sustainability

With a focus on energy-efficient designs, be prepared to talk about how you've incorporated sustainability into your work. Share specific examples of projects where you developed practical, eco-friendly solutions that aligned with project objectives.

Mechanical Design Engineer – Intermediate to Senior/ Principal
Parkinson Gray Associates

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