Senior / Principal Mechanical Design Engineer – Building Services Consultancy
📍 Southampton Area (Hybrid Working)
💼 Full-Time
💰 Competitive Salary + Bonus + Strong Benefits
🏗 About the Role
A respected building services consultancy near Romsey is seeking a Senior to Principal Electrical Design Engineer to join their expert team. With a rich heritage dating back to 2004 and over £450 m in M&E project delivery, the business is trusted for innovative, sustainable, and technically complex solutions across sectors such as healthcare, infrastructure, data centres, historic buildings, laboratories, and industrial facilities
Key Responsibilities
Take ownership of high-value, multidisciplinary M&E projects through all design stages—from feasibility to commissioning
Design and oversee complex electrical systems, including power distribution, lighting, fire alarms, data, security, and integrated smart building solutions
Lead and mentor electrical engineers; manage review processes to ensure design accuracy and quality
Advise on sustainable and low-carbon design strategies, energy modelling, and renewables integration
Maintain technical excellence and compliance with BS 7671, CIBSE standards, UK regulations, and project specifications
Coordinate closely with civil, structural, mechanical, and environmental specialists to ensure seamless project integration
Engage directly with clients and stakeholders, nurturing relationships and supporting business development
🎓 What You’ll Bring
BEng/MEng (or equivalent) in Electrical or Building Services Engineering
Chartered (CEng) status or actively progressing toward it
7+ years’ experience in electrical design consultancy, ideally across power, lighting, and building systems
Strong expertise in electrical calculations, load analysis, single-line diagrams, and BIM (AutoCAD/Revit)
Proven leadership ability—technical mentoring, project ownership, and client engagement
Passion for sustainable design, energy efficiency, and integrated building service delivery
Why You’ll Want to Join
Be part of a forward-thinking consultancy with a strong regional presence and a diverse national project portfolio
Work on specialist and large-scale projects—from healthcare and rail to data centres and historic buildings
Hybrid working model with a rural Romsey base, offering trust-driven flexibility and collaboration
Competitive salary and rewarding benefits including bonuses, pension, healthcare, training budgets, and strong chartership support
Thrive in a collaborative team where directors remain hands-on and mentoring is a priority
Ready to take your electrical design career to the next level within a technical, sustainable, and growth-focused consultancy?
Apply now for a confidential discussion