[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All ENGIE jobs](https://jobs.opennash.com/companies/engie/) · [Search jobs](/search/) ENGIE # Principal Mechanical Design Engineer (Data Centres) - London, Bicester or Newcastle London, United Kingdom, Newcastle, Oxford Senior individual contributor Data & Analytics Listed on ENGIE ’s official careers site. Listed as of October 18, 2026. Check that it is still open and apply there. [Apply on ENGIE ’s careers site →](https://jobs.engie.com/job/Principal-Mechanical-Design-Engineer-%28Data-Centres%29-London%2C-Bicester-or-Newcastle/69669-en_US) [OpenNash Jobs](https://jobs.opennash.com/) / [ENGIE ](https://jobs.opennash.com/companies/engie/) / Principal Mechanical Design Engineer (Data Centres) - London, Bicester or Newcastle ## Job description Principal Mechanical Design Engineer (Data Centres) - London, Bicester or Newcastle RED are an expanding international M&E consultancy, with a proven track record in low energy design, focused on providing excellent design solutions to clients. Through our market leading technical expertise, we enable the world’s digital infrastructure and develop the built environment whilst also helping clients realise ambitious plans for zero carbon-built environments. We cover the entire life cycle of any building project, with our broad capability offering saving our clients time, money, and effort. Our approach is centred around listening to our clients and interacting energetically with our fellow project stakeholders. We add value with our people, client service ethos, global delivery strategy, technical ability, and attitude. We now seek an experienced Principal Mechanical Design Engineer to be based in our Newcastle office. ### Role Responsibilities Responsible for the running of large projects. Undertakes a client facing role in the development and design and coordination of engineering project services for Mechanical or Electrical installations, systems, equipment, facilities etc. (Several building types) - Develops and specifies applications of controls, instruments, and operating systems for all building engineering services purposes Surveys, tests, carries out dilapidation reports on existing electrical/mechanical installations Specifies activities to ensure that manufacturing, construction, installation, and operational testing confirm to functional specifications and customer requirements Day to day decision making on project progress and direct liaison with and provides advice to client - Represents Company at technical meetings with customers, professional teams and contractors teams - Ensures engineering calculations and drawings meet required robust industry and legal standards - Leads on the coordination of engineering services - Takes a holistic view in the selection and application of engineering concepts and solutions ### Role Requirements BSc/BEng or degree in appropriate engineering discipline or have sufficient equivalent experience MCIBSE/MIEE or HNC/HND plus appropriate experience or equivalent Working towards Chartered Eng status Significant experience of specification design for several building types Sound knowledge of key Health and Safety issues and legislation - Knowledge of MS Office applications word, excel etc - Ability to use IT based calculation and spreadsheet software Good understanding of BS standards/ UK Regulations/Codes - Ability to prioritise own workload - Ability to work to deadlines Managerial skills Presentation skills - Support the delivery of projects in accordance with the expectations of the RED Project Delivery - Process from a Project Management, Financial Management, QA/QC and Technical - Review perspective Background in consulting or construction preferred Good understanding of international working and business operations of a global consultancy. ### Benefits RED offers a variety of benefits, including but not limited to: 23 days annual leave rising to 28 days annual leave over 5 years’ service Holiday purchase and buy back scheme Hybrid Working Contributory company pension scheme Healthcare Scheme via salary sacrifice (Company funded cover is dependant on level) Non-contractual bonus awards Training sponsorship Charity volunteering leave Wellness days/ initiatives. Salary commensurate with experience. Our people work in friendly teams with a collaborative approach and mentoring support from talented leaders. We offer a comprehensive benefits package and are an equal opportunities employer. *This role will ideally suit those with the right to live & work in Ireland without restrictions, as we are unable to offer sponsorship at the present time. RED is a company of Tractebel. ## At a glance - Posted by the employer: Not stated - First seen by OpenNash: Jul 31, 2026 - Last checked: Oct 18, 2026 - Listed for: 79 days - Location: London, United Kingdom, Newcastle, Oxford[Apply on ENGIE ’s careers site →](https://jobs.engie.com/job/Principal-Mechanical-Design-Engineer-%28Data-Centres%29-London%2C-Bicester-or-Newcastle/69669-en_US) ## More jobs at ENGIE ### [Principal Design Manager (Data Centres) - London, Bicester or Newcastle upon Tyne](https://jobs.opennash.com/companies/engie/jobs/fa4cf9282ef5a1ef4c4a/) London, United Kingdom, Newcastle, Oxford ### [Principal Electrical Design Engineer (Data Centres) - London, Bicester or Newcastle](https://jobs.opennash.com/companies/engie/jobs/bb6b1b6a96a790d2f442/) London, United Kingdom, Newcastle, Oxford ### [Senior Electrical Design Engineer (Data Centres) - London, Bicester or Newcastle](https://jobs.opennash.com/companies/engie/jobs/342fcf745d692288a59a/) London, United Kingdom, Newcastle, Oxford ### [Associate Electrical Engineer (Direct Current Power Systems) - London, Bicester or Newcastle](https://jobs.opennash.com/companies/engie/jobs/61bc041d5be68a45d544/) London, United Kingdom, Newcastle, Oxford ### [BIM Manager - London, Bicester or Newcastle](https://jobs.opennash.com/companies/engie/jobs/3928316974fa5daa87f3/) London, United Kingdom, Newcastle, Oxford ## Similar jobs at other companies ### [Design Principal Engineering Development Mechanical Redwood City California United States Carrollton Texas New York](https://jobs.opennash.com/companies/equinix/jobs/394b8298248f6584ac53/) Equinix ### [Design Principal Engineering Development Mechanical Redwood City California United States Dallas Texas New York](https://jobs.opennash.com/companies/equinix/jobs/847704d1b367c8b281b9/) Equinix ### [Mechanical Project Engineer (Design Engineer)](https://jobs.opennash.com/companies/siemens/jobs/fdc31e71d029076eed75/) Siemens ### [Mechanical Design Engineer](https://jobs.opennash.com/companies/abb/jobs/2edcebf5c9845cfeb89c/) ABB · Nashik, Mahārāshtra, India ### [ACTEMIUM Design - Mechanical Design - Designer, Engineer, Senior Engineer, Principal Engineer](https://jobs.opennash.com/companies/vinci/jobs/5617861103f02e133e28/) VINCI · Chorley, ENG, GB OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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