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Senior Mechanical Engineer - Mission Critical

Job in City Of London, Central London, Greater London, England, UK
Listing for: HDR
Full Time position
Listed on 2025-11-20
Job specializations:
  • Engineering
    Mechanical Engineer, Engineering Design & Technologists
Job Description & How to Apply Below
Location: City Of London

About the Role

As a Senior Mechanical Engineer you will have the opportunity to collaborate with various engineering teams to create detailed designs, plans, specifications and installation designs of complete mechanical systems and HVAC solutions for Data Centres. You will be part of an organisation that is 100-percent employee owned, that supports and creates many opportunities for you to advance, succeed and fulfil your career aspiration.

About

You

We are looking for someone who has a keen eye for detail and is conversant with all aspects of mechanical engineering. While you will be a competent & experienced designer, we are looking for a self-starter who can manage and develop resources to meet project demands while maintaining the highest level of technical excellence and regulatory compliance, working as part of the wider multi‑disciplinary engineering team.

Responsibilities
  • Carry out engineering concept design through to detailed design.
  • Ensure all design projects and reports within the group are technically compliant, to a consistent quality and standard. Maintain regular 'in house' design reviews and checks.
  • Motivate yourself and manage staff within group to build coherent high‑performing teams. Set objectives, monitor performance, coach and develop staff to optimise their potential.
  • Implement and manage QA systems and procedures on all projects.
  • Implement Company Health and Safety. Ensure all designs respond to the CDM regulations.
  • Ensure Quality Management System ISO 9001 and 14001 are adhered to.
Qualifications

Required Qualifications
  • Bachelor's degree in Mechanical Engineering, Building Services or relevant subject
  • Minimum 5yrs mechanical design experience within design consultancy
  • Mechanical design experience for data centres
  • Experience managing Mechanical Design throughout all design stages
  • Wide experience of critical mechanical systems, HVAC engineering and multiple levels of resilience including cooling, ventilation, humidification, fuel oil and flue systems.
  • Strong knowledge of Microsoft Office, MS Project and AutoCAD
  • Demonstrated leadership skills, previous team coordination and project management experience
  • Previous experience with an architectural/engineering or engineering consulting firm
  • An attitude and commitment to being an active participant in our employee‑owned culture is a must.

What We Believe

HDR is our company. Together, we build on each other's life experiences and perspectives to make great things possible every day. This shapes our collaborative culture, encourages organizational trust and connects us closer to the clients and communities we serve.

Our Commitment

As employee owners, we all have a role in creating an inclusive environment where each of us is welcomed, valued, respected and empowered to bring our authentic selves to work every day.

Our eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ+, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute. Each group has an executive sponsor and is open to all employees.

Watch Our Story:

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Position Requirements
10+ Years work experience
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