Senior Mechanical Design Engineer

Job Title: Senior Mechanical Design Engineer
Location: London (Hybrid is available)
Rate: £45/hour (Outside IR35)
Contract Length: 6 Months (ASAP Start)
Company Type: Small to Medium Enterprise (SME)
Sector: Commercial Fit-Out – CAT A & CAT B

About the Role:

We are seeking a highly skilled Senior Mechanical Design Engineer to support our growing pipeline of commercial CAT A and CAT B fit-out projects across London. Working with a dynamic and agile SME, you’ll take a lead role in delivering high-quality mechanical design solutions from concept through to construction stage.

Key Responsibilities:

• Lead the mechanical design and coordination of commercial fit-out projects (CAT A & B)
• Produce detailed mechanical drawings, specifications, schematics, and schedules
• Perform heating, ventilation, air conditioning (HVAC) and public health design calculations
• Conduct site surveys, technical assessments, and attend design and coordination meetings
• Collaborate with internal and external stakeholders including architects, contractors, and end clients
• Ensure designs comply with relevant codes, regulations, and sustainability standards
• Provide technical guidance and mentorship to junior engineers (if required)

Requirements:

• Minimum 7+ years’ experience in mechanical building services design
• Strong background in commercial CAT A and CAT B fit-out projects
• Proficient in relevant design software (e.g., AutoCAD, Revit, Hevacomp, IES)
• Excellent understanding of UK Building Regulations and CIBSE guidelines
• Comfortable working autonomously within a small team environment
• Strong communication and client-facing skills

Contract Details:

• Start Date: ASAP
• Contract Length: 6 months (possible extension)
• Rate: Circa £45/hour (Outside IR35)
• Location: London-based projects; flexible/hybrid working options may be available

Please get in contact with Darryll Gibson if interested.

We are an equal opportunity employer and value diversity in our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.