Freelancer UK
  • All Jobs
  • Outside IR35
  • Agencies
  • Post a Job
  • Pricing
  • Guides
  • Sign in
  • Sign up
  • All Jobs
  • Outside IR35
  • Agencies
  • Post a Job
  • Pricing
  • Guides

Email me jobs like this

Email me jobs like this
Refine Search
Refine by IR35 Status
Unknown Status 8 Outside IR35 2 Inside IR35 1
Refine by Categories
Construction 6 Engineering 3 Other 2
Refine by Job Type
Contractor 11
senior hvac design engineer

11 senior hvac design engineer jobs found

CL
Jan 21, 2026  
Senior HVAC Design Engineer
We are working with this leading multi national data centre and mission critical specialist who are working on schemes across UK and europe. With data centres being crucial components of today's infrastructure, supporting everything from business to public services. Operators must ensure the longevity, efficiency, and sustainability of their sites while optimizing them for mission-critical tasks. The teams are at the forefront of designing innovative and energy-efficient data centres, ensuring that our clients meet their goals of performance, cost-efficiency, and sustainability. The Opportunity Join our international and multidisciplinary team of passionate design engineers and help us create high-quality, sustainable, and innovative data centre structures. You will work on medium to large-scale mission-critical projects, covering all stages of design - from concept to construction supervision and handover. As part of an interdisciplinary team of architects, advisors &...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jan 21, 2026  
Senior HVAC Design Engineers
Urgent and immediately available positions for experienced Senior HVAC Design engineers for this London based mutli disciplined Consulting engineers working on hotel refurbishments and lux resi developments With this you should be a qualified HVAC building services design engineer with plus three years experience Nice long tern opportunity out side IR 35 Ideally hybrid basis Your expert recruitment consultant is Trevor Parsons, call today on (phone number removed) or email (url removed) Eden Brown is committed to equality in the workplace and is an equal opportunity employer. Eden Brown is acting as an Employment Business in relation to this vacancy
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Feb 14, 2026  
Senior HVAC Mechanical Design Engineer
We have an exciting opportunity for a Senior Mechanical Engineer to get involved in expanding our clients team in Ireland and help further strengthen our technical capabilities in Europe whilst working on landmark projects. You will be joining the Mechanical team, with role will predominantly be focused on overseeing the delivery of multiple sectors including Data Centres, Commercial Office, Hotel & Residential, Retail and Laboratory projects With flexible working arrangements, great opportunities for personal growth and development and a collaborative and inclusive work environment, join us and help us in making spaces work. Design and review of mechanical system designs for a range of projects Act as a sounding board for mechanical engineers in the office, offering design direction and guidance Peer review of designs and specifications of mechanical systems Play an active role in developing the mechanical team technical capability Be expected to lead...
IR35 Status:
Unknown Status

CV-Library United Kingdom Contractor
CL
Apr 19, 2026  
HVAC Design Engineer
Our client BAE Systems, a key player in the Defence & Security sector, is seeking a Senior Engineer - Mechanical - HVAC to join their team based in Scotstoun. This contract role involves contributing to critical projects within the maritime naval ships domain and offers the flexibility of remote working after the first week. Key Responsibilities: Leading the design and implementation of HVAC systems for naval ships Ensuring HVAC systems meet stringent defence standards and requirements Collaborating with other engineering disciplines to integrate HVAC systems seamlessly Conducting technical analyses and providing recommendations for HVAC system improvements Reviewing and approving HVAC engineering documentation and designs Working with the project team to ensure on-time and on-budget project delivery Providing technical support and troubleshooting for HVAC systems Maintaining up-to-date knowledge of industry best practices and regulatory standards Job Requirements:...
IR35 Status:
Unknown Status

CV-Library Glasgow, UK Contractor
CL
Apr 19, 2026  
Mechanical Engineer - Building Services
Dedicated to sustainable development, Arup is a collective of designers, consultants and experts working globally. At Arup you will have the opportunity to collaborate on ambitious projects - delivering remarkable outcomes for clients and communities, and to do socially useful work that has meaning. Arup's purpose, shared values and collaborative approach has set it apart for over 75 years, and now is your opportunity to join. Job description - the role AMS is a global workforce solutions partner committed to creating inclusive, dynamic, and future-ready workplaces. We help organisations adapt, grow, and thrive in an ever-evolving world by building, shaping, and optimising diverse talent strategies. We partner with Arup to support their contingent recruitment processes. Acting as an extension of their recruitment teams, we connect them with skilled interim and temporary professionals, fostering workplaces where everyone can contribute and succeed. On Behalf of Arup, we are...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 21, 2026  
Senior BESS Integration & Plant Control Engineer (281516)
Senior BESS Intergration & Plant Control Engineer for a major offshore wind project based in Denmark Responsibilities Support the design and coordination of the control interfaces between the BESS and HVDC system across a range of operating scenarios. Define and manage key integration interfaces between the BESS, offshore wind farm, HVDC controls, plant controllers, and other relevant OEM systems. Support the BESS Technical Lead to provide input into the development of the overall integrated operating and control philosophy for the BESS, HVDC system, and offshore wind plant. Support the BESS Technical Lead working closely with OEMs and project stakeholders to ensure the integrated solution is correctly designed, built, tested, and commissioned. Lead the definition of BESS interfaces related to trading, dispatch, and revenue optimization, including interfaces with the optimizer platform. Ensure control logic and system design appropriately reflect network constraints,...
IR35 Status:
Unknown Status

CV-Library City of London, London Contractor
CL
Apr 18, 2026  
Senior Bess Engineer
We are seeking a specialist engineer to support the BESS Technical Lead with the integration of a large-scale Battery Energy Storage System (BESS) with a major offshore wind farm connected via HVDC. This is a technically challenging and high-profile role focused on ensuring robust integration between the BESS, HVDC system, offshore wind plant, control systems, trading and optimisation platforms, and operational stakeholders Support the design and coordination of the control interfaces between the BESS and HVDC system across a range of operating scenarios. Define and manage key integration interfaces between the BESS, offshore wind farm, HVDC controls, plant controllers, and other relevant OEM systems. Strong experience in the integration of Battery Energy Storage Systems (BESS) into complex power projects. Demonstrable experience with control interfaces between the BESS and other plant systems, ideally including HVDC, renewable generation, or grid-connected infrastructure. A basic...
IR35 Status:
Unknown Status

CV-Library United Kingdom Contractor
CL
Apr 16, 2026  
Satellite AIT Electrical Systems Engineer
Electrical Systems Test Engineer - Satellite AIT An opportunity to shape the performance and reliability of next‑generation spacecraft Location: Onsite (UK Eyes Only) Clearance: SC Clearance Required Rate: £55.00 per hour (Umbrella, Inside IR35) Hours: 37 per week Role Overview This role places the Electrical Test Engineer at the centre of satellite Assembly, Integration & Test (AIT). The engineer will design, develop, and execute complex electrical and functional test sequences that ensure spacecraft are fully prepared for the challenges of launch and the space environment. They will work hands‑on with flight hardware, support live test operations, investigate anomalies, and contribute to the technical reviews that determine spacecraft readiness. This position is ideal for someone who thrives on precision, problem‑solving, and the excitement of seeing their work contribute directly to a mission in orbit. Reports to: Satellite AIT Electrical Test Engineering Manager...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Apr 15, 2026  
MEP Design Manager
Senior MEP Design Manager (Freelance) – Mechanical Focus. London EC1. An outstanding opportunity has arisen for a Senior MEP Design Manager (Mechanical bias) to join a major Tier 1 main contractor on a flagship £110m development in Central London. Based near Liverpool Street, this role will see you take full ownership of the mechanical design package, driving performance, coordination, and delivery across a complex, multi-phase scheme. The Project This high-profile project comprises two core elements: Cat A refurbishment & fit-out of 13 existing floors (approx. 7,000 sqft per floor) New build extension – a 3–4 storey structure delivered on the existing front plaza Running through to mid-2027, the programme presents a technically challenging environment with significant emphasis on MEP coordination, sequencing, and integration within both refurbishment and new build contexts. The Role This is a senior leadership position within the design team, specifically focused on...
IR35 Status:
Unknown Status

CV-Library EC2M, Bishopsgate, Greater London Contractor
CL
Apr 15, 2026  
Mechanical Design Lead
Mechanical Design Lead / Senior MEP Design Manager Mechanical Design Lead / Senior MEP Design Manager (Freelance). London EC1. An outstanding opportunity has arisen for a Senior MEP Design Manager (Mechanical bias) to join a major Tier 1 main contractor on a flagship £110m development in Central London. Based near Liverpool Street, this role will see you take full ownership of the mechanical design package, driving performance, coordination, and delivery across a complex, multi-phase scheme. The Project This high-profile project comprises two core elements: Cat A refurbishment & fit-out of 13 existing floors (approx. 7,000 sqft per floor) New build extension – a 3–4 storey structure delivered on the existing front plaza Running through to mid-2027, the programme presents a technically challenging environment with significant emphasis on MEP coordination, sequencing, and integration within both refurbishment and new build contexts. The Role This is a senior leadership...
IR35 Status:
Unknown Status

CV-Library EC2M, Bishopsgate, Greater London Contractor
CL
Feb 14, 2026  
BMS Service Engineer
We have a fantastic opportunity for a proficient BMS Service Engineer to join a well-established building controls business working on multiple contracts in London on a contract basis. This contract position offers an excellent hourly rate paid weekly ( outside IR35) Company Profile Our client is a household name in the world of BMS providing full turnkey solutions to the Building Energy Management sector since the late 90’s. With their wealth of expertise, they are able to secure projects of all size and type and deliver a best-in-class service from design all the way to end user handover. The Role of the BMS Service Engineer As a BMS Service Engineer you will be responsible for the pre-planned and reactive maintenance of Building Management Systems, predominantly across London. You will have in-depth knowledge of BMS (Building Management Systems) hardware including fault finding, wiring and networking. You will possess the knowledge and experience to be involved with small...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
  • Follow us on:
  • Facebook
  • Twitter
  • Instagram
  • LinkedIn
  • Home
  • Contact
  • About Us
  • Terms & Conditions
  • Employer
  • Post a Job
  • Search Resumes
  • Sign in
  • Job Seeker
  • Find Jobs
  • Outside IR35
  • Create Resume
  • Sign in
© 2008-2026 Powered by SmartJobBoard Job Board Software