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Hoare Lea

Principal Mechanical Engineer (Operational Assets)

Company logo
Hoare Lea
Multi-disciplinary engineering consultancy specialising in building services from design to delivery.
Design and manage sustainable solutions for existing building assets
8d ago
Expert & Leadership (13+ years), Experienced (8-12 years)
Full Time
Oxford, England, United Kingdom
Hybrid
Company Size
800 Employees
Service Specialisms
Engineering
Architecture
Design
Consulting
Project Management
Technical Services
Sector Specialisms
Acoustics
Advisory & Advocacy
Air Quality
Applied Research & Innovation
Audiovisual
Building Intelligence
Digital Engineering
Energy
Role
What you would be doing
business development
technical reporting
design specification
commissioning monitoring
maintenance inspection
decarbonisation projects

You will be working on a varied portfolio of frameworks and projects which are predominantly UK-based but with some overseas opportunities. You will take the lead and deliver on small projects up to the value of a few £million and provide technical support to end users, Landlords, management agents, project managers and the like.

1. Decarbonisation, performance improvements and energy reduction – focus on projects that reduce energy consumption of existing buildings, improve performance for the occupants and achieve client decarbonisation / net zero targets. Applying a pragmatic approach and use of emerging technologies, from strategic roadmaps to implementation.

  • Secure new projects and service both existing and new clients while assisting the regional lead in effectively planning the specialist delivery of the Operational Assets group.
  • Work cooperatively with other teams to deliver a wide variety of Projects with Team Leaders meeting regularly to discuss workload and other management issues.
  • Write technical reports i.e: feasibility, issue investigation, condition surveys etc.
  • Undertake own design, specification and site monitoring etc.
  • Monitor commissioning and conduct post-occupancy engineering services activities.
  • Maintenance inspections of buildings,
  • Liaise with clients (commercial and project management awareness).
  • Help, recruit, train and develop team members and their careers to ensure ongoing succession and growth of the Practice.
What you bring
chartered engineer
building services
data metering
uk regulations
science research
leadership

2. Design – Specialising in challenging existing buildings across all RIBA stages. This involves creative and innovative design solutions to enhance and transform existing buildings, ensuring the building services meet current needs and standards. You will be involved in conceptualising and implementing design strategies, working closely with clients and project teams to deliver high-quality and sustainable designs.

Projects span across all sectors including Commercial Offices, Retail, Residential, Education, Healthcare, MoJ, Defence, Heritage, Industrial and Technology. Previous experience in the Science & Research sector is required for this position.

Previous experience in the Science & Research sector is required for this position, as it is the primary focus of our Oxford Office and a stream of work we will be involved with.

Are you passionate about existing buildings? Do you thrive when challenged to design unique and pragmatic solutions to operational and performance issues? Are you interested in using real-time data to better understand buildings and drive towards a net zero future?

  • Willingness and Strong technical knowledge in primary engineering discipline and good understanding of the secondary engineering discipline.
  • Licence to Alter
  • Experience with performance specification and detailed design work, contract administration and site duties.
  • Demonstrate strong leadership capabilities providing supervision and guidance to team members and other staff.
  • Able to develop effective relationships with well-developed interpersonal and influencing skills.
  • Experience working on projects in existing buildings (refurbishment and fit-out).
  • Strong knowledge of data and metering.
  • Experience in Building Services collectively (all-rounder).
  • Comfortable with UK and applicable EU regulations, design guides, etc.
  • Excellent organisational and planning skills to effectively work to timescales and deadlines.
  • Excellent written and spoken English skills.
  • Qualified design engineer (chartered status or working towards).
  • Proven track record in work winning and building successful teams.
Benefits

We have a proven track record working within the Residential, Commercial and Healthcare sectors. Working alongside a range of specialists, you will be joining a collaborative, knowledgeable, highly engaged team who love what they do.

We are as committed to providing an environment where everyone can realise their unique potential. So, in joining Hoare Lea, you will experience a business that enriches your knowledge, supports your wellbeing, and welcomes your individuality. You’ll have the opportunity to participate in our 9-day fortnight scheme, thriving community groups, varied social and networking events, and extensive professional and technical development schemes. We also offer an extensive benefits package, including private medical cover, electric vehicle salary sacrifice scheme, stock options, and up to 30 days of annual leave.

If there are adjustments or accommodations that we can put in place to help you participate and give your best at any stage of the recruitment process (whether relating to disability, neurodivergence or anything else) please let us know.

Training + Development
Information not given or found
Interview process
  • introductory 30‑minute call with recruitment team
  • panel interview (via microsoft teams or in‑person)
Visa Sponsorship
Information not given or found
Security clearance
Information not given or found
Company
Overview
Founded in 1862
Year Established
The company was established in 1862 by Henry Lea, marking the beginning of its pioneering work in mechanical and electrical engineering.
£121 million
Annual Revenues
The firm generates over £121 million annually, reflecting its strong financial performance and market presence.
2021
Joining Tetra Tech
The company became part of Tetra Tech’s High Performance Buildings Group in 2021, expanding its global reach.
Cabot Circus 2001
Iconic Project Year
The firm delivered the iconic Cabot Circus project in Bristol, marking a significant milestone in its history.
  • The firm pioneered mechanical and electrical engineering and introduced one of the first electrical lighting systems in public buildings.
  • In 1939, it merged with Edwin S. Hoare & Partners, becoming the modern form of the business and evolving into the UK’s largest MEP consultancy.
  • Over its long history, the firm has delivered iconic projects like One New Change in London and the Royal Victoria Hospital in Belfast.
  • Specialist services span acoustics, fire engineering, lighting design, public health, utilities, and sustainable building systems.
  • The firm's project portfolio ranges from historic conversions and civic buildings to cutting-edge research centres and transport hubs.
  • Unusually for its sector, the original founder’s vision still resonates: early adoption of air-conditioning and electrical lighting set a tone of innovation that endures today.
Culture + Values
  • Great people in engineering and specialists.
  • Relaxed working environment
  • Good culture and values
  • The work life balance is good
  • Great team and morale
  • Structured career paths enabling talent growth and career progression
  • Encouragement of collaboration, creativity, innovation and technical excellence
  • Empowerment through autonomy, ownership and professional development support
Environment + Sustainability
12 offices
Office Emissions Baseline
A baseline for operational emissions was established across 12 offices during the 2021-2022 period.
147 kWh/m²/year
Energy Intensity
The average energy intensity of offices in the 2022-2023 period, measured in kilowatt-hours per square meter per year.
300 tCO₂e
Building-Related Emissions
Total building-related emissions in the 2022-2023 period, measured in metric tons of carbon dioxide equivalent.
  • Signatory to the World Green Building Council’s Net Zero Buildings Commitment
  • Target to achieve net zero carbon in all offices by 2030
  • Remaining emissions offset via approved international carbon standard and UK community project investment
  • All office energy purchased from renewable sources or offset to operate at net zero
  • Offset fleet vehicle emissions beyond core requirement
  • Annual third‑party verified carbon reporting with public disclosure
  • Member of UN Race to Zero and committed to science‑based targets for business travel and supply chain
  • Activities include reducing energy demand, decarbonising energy sources, phasing out natural gas and improving renewable supply
Inclusion & Diversity
3.9/5 Rating
Diversity & Inclusion
Anonymous employee reviews have rated the company's diversity and inclusion efforts at 3.9 out of 5, reflecting a strong commitment to inclusion.
  • Initiatives include positive action to welcome women, global ethnic majority, neurodiverse and disabled candidates.
  • Employees report 'diverse projects, great people… recognition of diversity change, and proactively working to address this.'
  • Equal opportunities and reasonable adjustments policies in recruitment and career development.
  • Structured Career Paths framework supports progression irrespective of background.
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