Assistant Pre-Commissioning Engineer

Future Select Recruitment; City Of London; On-site; GBP 25,000 - 35,000; Full time

Job summary

A specialist recruitment firm is seeking an experienced Assistant Pre-Commissioning Engineer located in Croydon. The role involves assisting with BSRIA compliance duties, conducting tests, and working with water treatment systems. Ideal candidates should have existing experience and a positive attitude. Competitive salary and benefits offered, including training and overtime opportunities.

Benefits

Competitive salary

Training opportunities

Pension scheme

Overtime available

Qualifications

• Experience working as an Assistant Pre-Commissioning Engineer.
• Knowledge of BSRIA and ACOP L8 guidelines is essential.
• Must possess a hardworking attitude and good literacy and numeracy skills.

Responsibilities

• Assist a lead engineer with BSRIA compliance duties.
• Conduct flushing on pipework and fan coils.
• Perform chemical dosing and test flow rates.

Skills

Experience working as an Assistant Pre-Commissioning Engineer

Conversant in BSRIA and ACOP L8 guidelines

Hardworking attitude

Good literacy and numeracy skills

Flexible to travel as required

Job description

Overview

Job Title: Assistant Pre-Commissioning Engineer
Location: Croydon, Greater London
Salary/Benefits: £25k - £35k + Training & Benefits

Due to recent expansion, our client is recruiting for an Assistant Pre-Commissioning Engineer to join a well-established and successful team in the South East. The company is a privately owned specialist within the industry, who can support excellent further training and development for hardworking engineers. It is essential that engineers have existing experience within the industry and a driven, positive attitude. Salaries on offer are competitive and benefits include overtime, pension scheme and training.

Client sites are based around: Croydon, Bromley, Sidcup, Erith, Dartford, Gravesend, Sevenoaks, Mitcham, Redhill, Epsom, Sutton, Twickenham, Southall, Slough, Kingston upon Thames, Woking, Harrow, Wembley, Potters Bar, Enfield, Cheshunt, Chigwell, Romford, Hornchurch, Barking, Ilford, Grays, Tilbury, Basildon, Epping.

Experience / Qualifications

• Experience working as an Assistant Pre-Commissioning Engineer
• Conversant in BSRIA and ACOP L8 guidelines
• Hardworking attitude
• Good literacy and numeracy skills
• Flexible to travel as required

The Role

• Assisting a lead engineer to undertake a range of BSRIA compliance duties
• Flushing on pipework, fan coils and underfloor heating
• Chemical dosing
• Testing flow rates
• Chlorinations
• Mains injections
• Completing regular service reports
• Collecting water samples
• Working to agreed deadlines and targets
• Producing regular service reports

Additional information

• Alternative job titles: Water Treatment Engineer, Flushing Engineer, Pre-Commissioning Engineer
• Future Select are recruiting in the Water Treatment/Hygiene industry; we work with the best clients & candidates and supply the majority of permanent jobs in the market.
• We would be interested in speaking to candidates with experience in any disciplines from Risk Assessors, Service Engineers, Account Managers and Business Development/Operational Managers through to Director level.
• We are inundated with applications. If you have applied to Future Select and have not heard back after a week, you may not have been successful. Your details will be saved in our system and you will be contacted in the future if a vacancy matches your skills.

Future Select Copyright 2025

Job Info

• Job Title: Assistant Pre-Commissioning Engineer
• Company: Future Select Recruitment
• Location: Croydon
• Posted: Sep 26th 2025
• Closes: Oct 27th 2025
• Sector: Construction
• Contract: Permanent
• Hours: Full Time

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