Mechanical Engineer - Building Services

Mechanical Engineer – Building Services
Southampton Area | Mechanical Engineer at Engineer, Senior, or Associate Level | Hybrid & Flexible Working

Are you a Mechanical Building Services Design Engineer ready for your next step? Whether you're building on your experience or already working at a senior or associate level, this is a fantastic opportunity to join a well-established, people-focused consultancy just outside Southampton.

You’ll be part of a dynamic, supportive team delivering innovative mechanical design solutions across healthcare, education, and commercial sectors—on projects ranging from small-scale refurbishments to complex, multi-million-pound developments.

What You’ll Be Doing

In this role, you’ll lead or support the delivery of mechanical building services designs from early-stage feasibility through to detailed design and tender submissions. You’ll engage directly with clients, collaborate with project teams, and bring a strong technical presence to every stage of the project lifecycle.

Your day-to-day will include:

• Developing detailed mechanical designs and complete tender packages
• Producing technical specifications, cost reports, and project documentation
• Coordinating with design teams, clients, contractors, and stakeholders
• Overseeing project delivery across all RIBA stages
• Preparing load analysis, zoning strategies, and Builders Work requirements
• Inputting to fee proposals and managing project programmes
• Mentoring junior engineers and helping to shape the next generation of talent
• Ensuring compliance with industry standards and best practices

What We’re Looking For

We're looking for an engineer who is both technically strong and a great team player. Ideally, you’ll bring:

• A background in Mechanical Building Services Design (HND/Degree qualified)
• Experience across healthcare, education, and/or commercial sectors
• Proficiency with design software and strong understanding of industry standards
• Membership with CIBSE or working toward it (preferred)
• Great communication and client engagement skills
• A proactive, self-starting approach to work

The Culture & Perks

This consultancy places genuine emphasis on work-life balance, personal growth, and team cohesion. You’ll find a supportive environment where your development is taken seriously and your work makes a real impact.

Benefits include:

• 28 days annual leave (including bank holidays), plus 3–4 additional paid days over Christmas
• Hybrid working and flexible hours to suit your lifestyle
• Training & Development pathways designed around you
• Aspiring Managers Programme to support leadership goals
• Health & Wellbeing initiatives to support your physical and mental health
• Regular social events and team-building activities
• Enrichment programme for professional and personal growth
• Branded workwear provided
• On-site parking
• Cycle scheme
• Complimentary theatre tickets and cultural outings

?? Ready to bring your mechanical design expertise to a consultancy that values you and your career? Whether you're growing into a new level of responsibility or seeking a more rewarding environment, this could be your ideal next step.

Get in touch or apply now for a confidential chat!