Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Lead pre-commission cleaning on exciting medium and large-scale HVAC projects.
- Company: Join CTS, a top UK specialist in HVAC commissioning and water treatment.
- Benefits: Enjoy competitive pay, leadership development, and opportunities across the UK and Europe.
- Why this job: Make a real impact in HVAC performance while advancing your career.
- Qualifications: Strong experience in pre-commission cleaning and water treatment systems required.
- Other info: Work independently with technical autonomy and support junior techs.
The predicted salary is between 42000 - 60000 £ per year.
Commissioning Technical Services (CTS) is one of the UK's premier specialists in HVAC Commissioning, Commissioning Management, and Water Treatment. Based in London, we pride ourselves on our professional and high-quality service delivered by a team of highly trained and experienced professionals. We provide exceptional solutions to clients across the UK and internationally. Our focus is on efficiency, expertise, and client satisfaction in every project we undertake. CTS is growing, and we are seeking skilled Pre-Commission Cleaning Engineers to support HVAC system performance across major commercial projects.
If you are already operating at lead-engineer level, we want to hear from you. We're hiring for experienced Pre-Commission Cleaning engineers capable of independent system management.
Regions: London & Home Counties | Central England | West of England | Europe
Role responsibilities:
- Lead pre-commission cleaning on medium & large-scale projects
- Manage flushing, chemical dosing, filtration & system validation
- Produce test results, water quality certificates & close-out packs
- Liaise with commissioning teams, main contractors & consultants
- Plan works, oversee junior techs & ensure compliance to BSRIA BG29/ BG50 standards
- Represent CTS onsite — delivering performance assurance professionally
Ideal candidate profile:
- Strong experience in Pre-Comm cleaning & water treatment systems
- Confident with LTHW/CHW flushing, testing & documentation
- Good client interfacing & leadership capability
- Able to work independently and manage work fronts efficiently
What we offer:
- Senior responsibility + technical autonomy
- Leadership development & future progression into commissioning
- Competitive pay package + benefits
- Work across UK regions & European projects
Senior Pre-Commission Cleaning Engineer in Slough employer: Commissioning Technical Services
Contact Detail:
Commissioning Technical Services Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Pre-Commission Cleaning Engineer in Slough
✨Tip Number 1
Network like a pro! Get out there and connect with industry professionals on LinkedIn or at local events. We all know that sometimes it’s not just what you know, but who you know that can land you that dream job.
✨Tip Number 2
Show off your skills! When you get the chance to meet potential employers, don’t hold back on discussing your experience with pre-commission cleaning and water treatment systems. We want to hear about your successes and how you’ve tackled challenges in past projects.
✨Tip Number 3
Prepare for interviews by researching CTS and understanding our values. We pride ourselves on efficiency and client satisfaction, so think about how your experience aligns with our mission. Bring examples of how you've delivered exceptional solutions in your previous roles.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets noticed. Plus, we love seeing candidates who take the initiative to engage directly with us. Let’s make it happen!
We think you need these skills to ace Senior Pre-Commission Cleaning Engineer in Slough
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the Senior Pre-Commission Cleaning Engineer role. Highlight your experience in HVAC systems, pre-commission cleaning, and any leadership roles you've held. We want to see how your skills match what we're looking for!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're the perfect fit for CTS. Mention specific projects you've worked on and how they relate to the responsibilities listed in the job description. Let us know why you’re excited about joining our team!
Showcase Your Technical Skills: Don’t forget to showcase your technical expertise in your application. Detail your experience with flushing, chemical dosing, and system validation. We love seeing candidates who can demonstrate their knowledge and confidence in these areas!
Apply Through Our Website: We encourage you to apply through our website for a smoother process. It helps us keep track of applications and ensures you get all the updates directly from us. Plus, it shows you’re keen on joining the CTS family!
How to prepare for a job interview at Commissioning Technical Services
✨Know Your Stuff
Make sure you brush up on your knowledge of pre-commission cleaning and water treatment systems. Be ready to discuss specific techniques like LTHW/CHW flushing and how you’ve managed these processes in past projects.
✨Showcase Your Leadership Skills
Since the role involves overseeing junior techs, be prepared to share examples of how you've led teams in the past. Highlight any experiences where you’ve had to manage work fronts or ensure compliance with standards like BSRIA BG29/BG50.
✨Prepare for Client Interaction
As client interfacing is key, think about times when you’ve successfully liaised with clients or contractors. Be ready to discuss how you handle communication and build relationships to ensure project success.
✨Demonstrate Problem-Solving Abilities
Expect questions that assess your ability to troubleshoot issues on-site. Prepare to talk through challenges you've faced in previous roles and how you resolved them, particularly in relation to system validation and performance assurance.
