Senior Mechanical Design Engineer

Pertemps TM; Lewes; On-site; GBP 45,000 - 55,000; Full time

Job summary

A leading Building Services Consultancy in Sussex is seeking a Senior Mechanical Design Engineer. You will lead and manage mechanical projects across varied sectors including data centres and commercial developments. The role involves design, client management, and site supervision, offering opportunities for professional growth in a supportive environment. Join a team focused on innovative and sustainable solutions.

Benefits

Professional development opportunities

Mentorship from senior engineers

Hybrid working options

Qualifications

• Minimum 5-6 years’ experience in building services engineering.
• Strong technical competence and understanding of client requirements.
• Ability to mentor and support junior staff.

Responsibilities

• Lead and manage mechanical building services projects.
• Prepare designs, specifications, reports, and drawings.
• Conduct site supervision and ensure compliance.

Skills

Project management

Technical design

Communication skills

Client relationship management

Education

Membership of a professional engineering body

Tools

BIM and 3D software

Job description

Senior Mechanical Design Engineer – Building Services

Location : Sussex (Hybrid Working)

Salary : Circa £45,000 - £55,000

Type : Permanent

A highly regarded Building Services Consultancy is seeking a Senior Mechanical Design Engineer to join their Sussex-based team. This consultancy delivers technically excellent and sustainable solutions for a wide range of projects including commercial, residential, mission‑critical, hotels and more.

The Role

You will take a lead role in designing, managing and supervising mechanical building services projects, from concept through to completion. Working on a variety of sectors including data centres, high‑rise residential, hotels and commercial developments, you will have the opportunity to work across complex, high‑profile projects with real technical challenges.

Key responsibilities include :

• Leading projects and coordinating with multi-disciplinary teams
• Preparing detailed designs, specifications, reports and drawings
• Managing project budgets, schedules and resources
• Conducting site supervision and inspections of workmanship and testing
• Ensuring compliance with CDM regulations and industry standards
• Mentoring and supporting junior staffMaintaining strong client and design team relationships to encourage repeat business

About You

• Membership of a professional engineering body, with desire to work towards chartership
• Minimum 5-6 years’ industry experience in building services engineering
• Strong technical competence and understanding of client requirements
• Good communication, presentation and commercial skills
• Potential to develop management skills and take on design team leadership
• Experience across multiple sectors is advantageous

Why Join?

This is a chance to join a close‑knit consultancy of around 40 staff, working on technically challenging projects with global reach. You will benefit from :

• Exposure to diverse sectors including data centres, healthcare, education, residential and commercial developments
• A collaborative and supportive culture with approachable leadership
• Opportunities for professional development, training, mentoring and chartership support
• Participation in innovative projects using the latest BIM and 3D software
• Contributing to sustainability-focused designs and socially valuable projects

Other Benefits include

• Hybrid working options
• Opportunities for professional development and training
• Mentorship from experienced senior engineers
• Working on high-profile projects with industry-leading clients

If you are an experienced Mechanical Design Engineer looking to take ownership of technically challenging projects within a supportive consultancy in Sussex, we would love to hear from you.

Apply today or contact us confidentially to discuss the role.

Please contact : Alex Bartley

RGB Network

Phone : [phone]

Email : abartley @ rgb .co .uk