Senior / Principal Mechanical Design Engineer
Senior / Principal Mechanical Design Engineer

Senior / Principal Mechanical Design Engineer

Oxford Full-Time 47000 - 63000 £ / year (est.) Home office (partial)
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At a Glance

  • Tasks: Lead mechanical design projects, focusing on sustainable solutions and collaboration with various teams.
  • Company: Join a well-established consultancy known for innovative, low-carbon designs in diverse sectors.
  • Benefits: Enjoy flexible working, 25+ days holiday, private healthcare, and a supportive team culture.
  • Why this job: This role offers impactful work on heritage and modern projects with clear progression opportunities.
  • Qualifications: Degree in Mechanical Engineering or similar, with 6+ years of consultancy experience required.
  • Other info: Mentorship opportunities and support towards chartership and leadership development are available.

The predicted salary is between 47000 - 63000 £ per year.

Senior to Principal Mechanical Design Engineer | Oxford | Low Carbon Projects, Heritage Refurbishments, Progression Opportunity
A well-established, independent building services consultancy in Oxford is looking to strengthen their mechanical team with an experienced Senior or Principal Mechanical Engineer.
Known for delivering technically robust, sustainable solutions across heritage, education, healthcare, and infrastructure projects, this team combines mechanical, electrical, lighting, Passivhaus, and building physics expertise under one roof. With a strong pipeline of work and ongoing investment in their people, this is a great opportunity to step into a high-impact role with long-term progression potential.

️ Role Overview:

  • Lead or support mechanical design from RIBA Stage 2 through to handover, including detailed HVAC, hot and cold-water systems, and sustainable design strategies
  • Collaborate with clients, architects, and internal teams to develop low-energy, technically sound solutions across new-builds and complex refurbishments
  • Apply building performance analysis and building physics principles where relevant, working closely with in-house specialists
  • Oversee or contribute to technical documentation, drawings (AutoCAD, Revit), and specifications
  • Attend site visits, manage design coordination, and provide support throughout the construction phase
  • Mentor junior engineers and take an active role in internal knowledge sharing
  • At Principal level, contribute to fee proposals, resourcing, and client development

What You’ll Bring:

  • Degree-qualified in Mechanical Engineering or Building Services (or similar)
  • 6+ years of experience in a consultancy environment delivering mechanical design
  • Experience working on projects in sectors like education, commercial, healthcare, or heritage
  • Excellent technical understanding of HVAC systems, regulations, and energy-efficient design
  • Familiarity with Revit, AutoCAD, IES or Hevacomp (or similar design tools)
  • Strong communication and coordination skills
  • Chartership (CEng MCIBSE) or working towards it is desirable

What’s on Offer:

  • Competitive salary based on experience, typically between £55,000 and £70,000 for this level
  • A broad project portfolio with real design variety, including listed buildings and modern low-energy campuses
  • Flexible/hybrid working, 25+ days holiday, private healthcare, cycle to work scheme, CPD support, and more
  • A collaborative, technically strong team with a great culture and low staff turnover
  • Structured progression path to Associate and beyond, with support toward chartership and leadership development

If you’re a Senior or Principal Mechanical Engineer looking for meaningful, sustainability-focused work with room to grow, this is an opportunity well worth exploring. #J-18808-Ljbffr

Senior / Principal Mechanical Design Engineer employer: RGB Recruitment

Join a well-established, independent building services consultancy in Oxford, renowned for its commitment to delivering sustainable solutions across diverse sectors such as heritage and healthcare. With a collaborative work culture, flexible working arrangements, and a strong focus on employee development, this company offers a unique opportunity for Senior and Principal Mechanical Engineers to thrive in a supportive environment while contributing to impactful projects. Enjoy a structured progression path, competitive salary, and a range of benefits that prioritise your well-being and professional growth.
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Contact Detail:

RGB Recruitment Recruiting Team

StudySmarter Expert Advice 🤫

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

Tip Number 1

Network with professionals in the building services consultancy sector, especially those who have experience in low carbon projects and heritage refurbishments. Attend industry events or webinars to connect with potential colleagues and learn more about the latest trends and technologies.

Tip Number 2

Familiarise yourself with the specific software tools mentioned in the job description, such as Revit and AutoCAD. Consider taking online courses or tutorials to enhance your skills, as being proficient in these tools can set you apart from other candidates.

Tip Number 3

Prepare to discuss your previous project experiences in detail, particularly those that involved HVAC systems and sustainable design strategies. Be ready to explain how you contributed to the success of these projects and any challenges you overcame.

Tip Number 4

Showcase your leadership and mentoring abilities during interviews. Highlight any experiences where you've guided junior engineers or contributed to team knowledge sharing, as this aligns well with the role's expectations for a Senior or Principal Engineer.

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

Mechanical Engineering Degree
6+ years of consultancy experience
Technical understanding of HVAC systems
Knowledge of building regulations
Energy-efficient design expertise
Proficiency in Revit and AutoCAD
Experience with IES or Hevacomp
Building performance analysis skills
Strong communication skills
Design coordination abilities
Mentoring and knowledge sharing
Client development experience
Project management skills
Chartership (CEng MCIBSE) or working towards it

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights your relevant experience in mechanical design, particularly in sectors like education, healthcare, and heritage. Emphasise your technical understanding of HVAC systems and any projects you've worked on that align with the company's focus.

Craft a Compelling Cover Letter: Write a cover letter that showcases your passion for sustainable design and your ability to lead mechanical design projects. Mention specific examples of your work that demonstrate your skills in collaboration and technical documentation.

Highlight Relevant Skills: In your application, clearly outline your proficiency with design tools such as Revit and AutoCAD. If you have experience with building performance analysis or mentoring junior engineers, make sure to include that as well.

Showcase Your Progression Goals: Express your interest in long-term progression within the company. Mention your aspirations towards chartership and leadership development, aligning them with the opportunities offered by the consultancy.

How to prepare for a job interview at RGB Recruitment

Showcase Your Technical Expertise

Be prepared to discuss your experience with HVAC systems and sustainable design strategies in detail. Highlight specific projects where you applied your technical knowledge, especially in sectors like education or healthcare.

Demonstrate Collaboration Skills

Since the role involves working closely with clients, architects, and internal teams, share examples of how you've successfully collaborated on past projects. Emphasise your ability to communicate effectively and coordinate with various stakeholders.

Familiarity with Design Tools

Make sure to mention your proficiency with design tools such as Revit and AutoCAD. If possible, bring along a portfolio showcasing your work using these tools to demonstrate your capabilities.

Express Your Commitment to Professional Development

Discuss your journey towards chartership and any ongoing professional development activities. This shows your dedication to growth and aligns with the company's investment in their people.

Senior / Principal Mechanical Design Engineer
RGB Recruitment
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  • Senior / Principal Mechanical Design Engineer

    Oxford
    Full-Time
    47000 - 63000 £ / year (est.)

    Application deadline: 2027-07-17

  • R

    RGB Recruitment

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