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Posted 02 August, 2026

Mechanical / Building Services Engineer

4Square Recruitment Ltd
Portsmouth, ENG, GB Full Time

Job Description

An established Building Services consultancy is looking to recruit an Intermediate Mechanical or Electrical Building Services Engineer to join its growing team following the award of several long-term frameworks and exciting new projects.

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This is an excellent opportunity to join a friendly, close-knit consultancy where you'll work on a diverse range of projects across the education, healthcare, heritage, commercial, industrial and residential sectors. You'll gain exposure to all stages of project delivery while working alongside experienced engineers who are committed to supporting your professional development.

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If you're looking for a role where you'll be recognised for your contribution rather than being just another number, we'd love to hear from you.

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The Role

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You'll be involved in the design and delivery of Mechanical and/or Electrical Building Services projects, including:

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• Producing engineering calculations, specifications and technical drawings

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• Designing Mechanical or Electrical Building Services systems

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• Working closely with clients, architects and wider design teams

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• Supporting projects from concept through to completion

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• Taking ownership of your work while continuing to develop your technical skills

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About You

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We're looking for someone with:

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• Experience in Mechanical or Electrical Building Services Design

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• The ability to produce technical calculations, specifications and drawings

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• A collaborative approach and excellent communication skills

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• A proactive attitude with a desire to continue learning and developing

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• A BSc/BEng (or equivalent) in Building Services Engineering or a related Engineering discipline (preferred)

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What's on Offer?

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• Competitive salary

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• Office-based role in Portsmouth

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• Paid professional membership fees

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• Support towards Chartership

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• Ongoing training and development

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• Company pension

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• Generous holiday allowance

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• Regular team lunches and social events

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• Friendly, supportive working environment

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• Genuine long-term career progression