Mechanical Services Design Engineer

Location:

London Bridge / Southwark
📅 Type:
Full-time / 100% Office-based (Monday-Friday, 8:30 AM - 5:30 PM)

Maris Contracts Limited is a dynamic construction company specializing in a variety of services, including Mechanical, Electrical, Partitioning, Glazing, Flooring, and Decorations. Since its inception in 2018, the company has successfully completed over 1 million square feet of projects across Offices, Retail, Showrooms, Hotels, and Universities within the UK and Europe. Known for delivering high-quality work, Maris Contracts Limited combines expert in-house teams with a customer-driven approach.

The company prides itself on transforming client designs into exceptional built environments.

We're looking for a Mechanical Services Design Engineer to join our team. Reporting to the Mechanical Services Director, this role involves full project engagement, working on the design of HVAC systems and above-ground water and waste services. This position serves as a stepping stone to a Pre-Contracts Manager role. You will receive extensive support and training throughout your journey toward Pre-Contract Management.

You’ll be responsible for producing technical designs, coordinating with wider project teams, and supporting the delivery of practical, regulation-compliant building services solutions.

• 📐 Producing mechanical and public health layouts, schematics and detailed designs using AutoCAD and Revit
• 📄 Creating equipment schedules (e.g. FCUs, AHUs, HRUs, grilles, attenuators, fire dampers etc)
• 🌡 Completing fresh air and load mapping calculations using IES or similar software
• 🧮 Sizing ductwork and pipework accurately
• 📊 Preparing technical submissions and reports using MS Office
• 🛠 Selecting mechanical equipment and plant
• 📏 Coordinating designs with existing services, building constraints and all related trades
• 🔍 Undertaking site surveys and ensuring no adverse impact on existing systems
• 🔧 Ensuring all designs meet building regulations, health and safety requirements and best practice
• 👥 Supporting junior engineers and maintaining high quality design standards

• ✅ Minimum 5 years' experience in mechanical and public health services design
• ✅ Degree in mechanical or building services engineering
• ✅ Proficient in AutoCAD; confident using MS Office
• ✅ Knowledge of thermal dynamics and experience with IES or similar software
• ✅ Good understanding of commercial design and build fit-out projects
• ✅ Revit and AutoCAD MEP experience desirable
• ✅ Self-motivated, organised and able to prioritise in a fast-paced environment

• 🌴 Generous holiday package with 25 days annual leave plus bank holidays, Christmas period off and every last working Friday off each month with pay day
• ☕ On-site coffee shop - Free breakfast, tea, coffee and fresh fruit all day
• 💰 Salary sacrifice pension scheme - Maris Contracts contributes 15% savings to your pension scheme
• 🛡️ Life assurance - 3x salary after 12 months' service
• 🏥 Employee Assistance Programme - online GP service, health check every two years, plus mental and physical wellbeing support and second medical opinion