Site Field Engineer

Site Field Engineer

Fluid Monitoring Services (FMS) Division

Location: Swansea, with UK-wide and European travel

Hours: 40 hours per week. Monday – Friday

Salary: £32,000 - £34,000 DOE.

Reporting to: FMS Office Manager and FMS Director

About the Opportunity

We are looking for a technically skilled and motivated Site Field Engineer to join our growing Fluid Monitoring Services (FMS) Division. This is an excellent opportunity for an engineer with a background in mechanical, industrial, plumbing or water treatment engineering to develop specialist expertise in pre-commissioning, system flushing, chemical dosing and fluid monitoring across commercial and industrial projects.

You will play a key role in delivering high-quality commissioning and water treatment services, working closely with customers, contractors, site managers and internal technical teams to ensure projects are completed safely, efficiently and to the required standards. The role combines hands-on field engineering, technical reporting, troubleshooting and project coordination, with training and development opportunities to expand your technical knowledge and responsibilities.

This is a predominantly field-based position, with approximately 80% of your time spent on customer sites and 20% at the office base in Swansea. Regular UK-wide and European travel, including overnight stays away from home, will be required.

Key Responsibilities

Carry out pre-commissioning cleaning of closed-loop heating and chilled water systems.

Undertake system flushing in accordance with relevant industry guidance, including BSRIA BG29 and BG50.

Perform chemical dosing and water treatment activities across heating, cooling and process water systems.

Support system pre-commissioning to ensure compliance with design specifications and applicable standards.

Collect water samples for laboratory analysis and assist with interpreting results to assess system condition and water quality

Review laboratory results and, as your experience develops, recommend appropriate treatment adjustments or remedial measures

Prepare accurate commissioning, flushing and technical reports for customers.

Liaise with site managers, engineers, contractors and subcontractors to coordinate site activities and meet project deadlines

Maintain accurate records of site work, chemical usage, test results and completed activities.

Assist with fault-finding, technical troubleshooting and the resolution of operational issues.

Support project completion, customer handovers and ongoing service requirements.

Maintain high standards of health and safety, ensuring all work complies with relevant legislation, site procedures and internal standards.

Deliver excellent customer service and represent the FMS Division professionally on every project.

Role Requirements:

A strong engineering background in mechanical, industrial, plumbing, chemical or electrical disciplines, preferably with exposure to water treatment systems.

Experience working in construction, industrial or commercial engineering environments.

The ability to read and interpret technical drawings, schematics and system layouts.

An understanding of chemical dosing systems and the fundamentals of corrosion chemistry.

Good analytical, problem-solving and technical reporting skills.

Excellent verbal and written communication skills.

Strong organisational skills and the ability to manage competing priorities.

The confidence to work independently while collaborating effectively with customers and colleagues.

A flexible, adaptable approach and a willingness to take on new challenges.

The physical capability to undertake hands-on site engineering work, including in challenging environments.

A full, clean UK driving licence and a willingness to travel extensively across the UK and Europe.

Desirable Experience and Qualifications

Awareness of BSRIA BG29 and BG50 pre-commissioning cleaning and flushing guidance.

Experience with chemical dosing, industrial plumbing or water treatment plant operation.

Exposure to project management, commissioning schedules or site coordination.

Experience preparing Risk Assessments and Method Statements (RAMS).

A CSCS card or equivalent health and safety certification.

Experience interpreting water analysis reports and recommending appropriate treatment solutions.

Benefits

Overtime Opportunities

Company Vehicle

Fuel Card

Overnight Food allowance

Overnight Allowance

27 days annual leave, plus bank holidays

Company pension contribution at 8