Commissioning Engineer

AF ECO Ltd; Tamworth; On-site; GBP 40,000 - 60,000; Full time

Benefits offered by this job

Company Van

Medicash plan

Life insurance

Company pension

26 days holiday

Job summary

AFECO is seeking a Commissioning Engineer to plan, execute and document commissioning of mechanical, electrical, ICA and process systems in water facilities across the UK Midlands. You will ensure safe, efficient operation and handover to operations.

The role requires experience in commissioning live assets, drawing interpretation, and strong collaboration with design, construction and client teams. CSCS/ECS, a driving licence and a degree are preferred.

Qualifications

• Essential: Commissioning experience in water or wastewater projects.
• Essential: Ability to read drawings, P&IDs and control philosophies.
• Essential: Strong diagnostic, communication, and report-writing skills.
• Desirable: Experience with major UK water companies and AMP frameworks.

Responsibilities

• Develop detailed commissioning plans, method statements and risk assessments.
• Conduct pre-commissioning inspections, tests and verifications.
• Commission mechanical, electrical, ICA and process systems and verify performance.
• Prepare progress reports and ensure regulatory compliance (DWI, MCERTS).
• Support FAT/SAT, training and handover to operations.

Skills

Commissioning

Water/wastewater

Electrical systems

Mechanical systems

P&IDs interpretation

SCADA familiarity

Regulatory awareness

Education

HNC/HND or degree in Electrical/Mechanical/Process Engineering

CSCS/ECS card

Full UK driving licence

Tools

SCADA

Wonderware

Siemens

Rockwell

Job description

As part of the United Infrastructure Group, we are a dynamic and innovative specialist engineering services, solutions and products provider focused on servicing our clients’ immediate and future needs. We do this through the development of industry-changing cleantech products as well as through engineering delivery excellence. We specialise in the design and delivery of process, mechanical, electrical and ICA engineering-based projects, products and solutions. Regardless of the project, they all pursue the same goal: to improve the efficiency and sustainability of our water, wastewater and waste treatment. We have a team of highly skilled and experienced professionals with extensive consulting and contracting experience, including engineers, scientists and commercial managers. Our knowledge and expertise spans more than 30 years, across industries including: water, wastewater, marine, energy and power sectors. At AFECO, we cover all stages of the innovation and project delivery cycle from concept through to operations. Our aim is simple – to provide the most effective solutions and products on the market and thus, exceed clients expectations through market-leading technology. From technical through to commercial and management expertise, we have the in‑house expertise to execute a range of projects from the most basic to highly complex.

Job title | Commissioning Engineer Location | Midlands

About us

AFECO is an engineering services provider, delivering high quality process and MEICA design and installation projects across the UK for the water industry. We have excellent in‑house engineering teams capable of delivering all stages of the project cycle, from concept through to commissioning, with a strong focus on process led innovative and robust yet appropriate solutions. We have a portfolio of varied projects covering both wastewater and clean water projects for planned and reactive projects. Due to the expansion of our team, we are currently recruiting for a Commissioning Engineer to work within our multi‑disciplinary teams. This is a great opportunity for enthusiastic individuals who fit in with our company values and are keen to develop in a forward‑thinking organisation.

Role overview

The Commissioning Engineer is responsible for planning, executing, and documenting the commissioning of mechanical, electrical, instrumentation, control, and process systems within water and wastewater treatment facilities. The role ensures that all systems operate safely, efficiently, and in accordance with design intent, regulatory standards, and client requirements. The engineer will play a key part in bringing new assets online, troubleshooting issues, and supporting handover to operational teams.

Key Responsibilities

• Commissioning Planning & Preparation Develop detailed commissioning plans, method statements, and risk assessments. Review technical drawings, process flow diagrams (PFDs), P&IDs, control philosophy documents, and OEM manuals. Coordinate with design, construction, and operations teams to ensure readiness for commissioning. Identify commissioning requirements, resources, and specialist tools.
• Execution of Commissioning Activities Conduct pre‑commissioning inspections, system checks, and verification tests. Commission mechanical, electrical, ICA (Instrumentation, Control & Automation), and process systems including: Pumps, blowers, mixers; Chemical dosing systems; Filtration and membrane systems; UV disinfection; PLC/SCADA systems; Flow, pressure, level, and quality instrumentation. Verify system functionality against design specifications. Troubleshoot and rectify mechanical, electrical, and process performance issues. Benchmark performance and optimise system operation prior to handover.
• Documentation & Compliance Prepare commissioning progress reports, test sheets, and compliance records. Ensure all commissioning records meet water industry regulatory standards (e.g., DWI, MCERTS). Update red‑line drawings and provide input to O&M manuals. Ensure all activities comply with CDM, health & safety legislation, and company procedures.
• Stakeholder & Client Engagement Work closely with project teams, subcontractors, suppliers, and client representatives. Support Factory Acceptance Tests (FAT) and Site Acceptance Tests (SAT). Provide technical training and handover to operational staff.
• Continuous Improvement Identify opportunities to improve commissioning processes and system design. Feed lessons learned back into design and delivery teams.

Skills, Competencies & Experience

• Essential Proven experience commissioning systems within the water or wastewater industry. Strong understanding of mechanical, electrical, and ICA systems. Ability to interpret engineering drawings, P&IDs, control philosophies, and system documentation. Strong diagnostic, analytical, and problem‑solving skills. Experience working on live operational water assets and construction sites. Excellent written documentation and report writing skills. Strong communication and stakeholder management abilities. Understanding of health, safety, and environmental requirements.
• Desirable Experience with major UK water companies. Familiarity with AMP frameworks and regulatory drivers. Knowledge of water treatment processes (clarification, filtration, sludge treatment, chemical dosing, disinfection). Experience using SCADA systems (e.g., Wonderware, Siemens, Rockwell). Competence in instrumentation calibration and verification. Membership of a professional engineering body (e.g., IMechE, IET).

Qualifications

• Essential HNC/HND or degree in a relevant field such as: Electrical Engineering, Mechanical Engineering, Process Engineering, Control & Instrumentation. CSCS/ECS card. Full UK driving licence.
• Desirable COMPEX, EUSR (Clean Water Hygiene), Confined Space, First Aid, or equivalent industry certifications.

Personal Attributes

• Self‑motivated with high attention to detail. Able to work autonomously and as part of cross‑functional teams. Comfortable working under pressure and to tight project deadlines. Strong commitment to safety, quality, and continuous improvement.

Working Conditions

Based at treatment works, pumping stations, or regional sites. Includes site visits, climbing ladders, confined space areas (with training). Participation in standby/rota call‑out system may be required. Outdoor work in varying weather conditions.

Benefits

• Company Van
• Medicash plan
• Life insurance
• Benefits portal
• Company pension
• 26 days holiday (plus bank holidays)

Company Culture & Values

At AFECO, we value our employee’s and encourage and support them to development themselves and their career through training and progression. We offer the opportunity to work on a range of project types and size in the water sector including our own internally developed products and solutions. We are a privately owned business with a friendly and open culture and are dedicated to creating and maintaining and workforce that is highly skilled and motivated.

As a Company we are committed to equal opportunities for all and do not discriminate on the grounds of race, religion or belief, sexual orientation, gender reassignment, marital or civil partner status, sex, disability or age.

Join us at AFECO and be part of our mission to deliver innovative and sustainable solutions to the complex infrastructure needs of the UK. Here at United Infrastructure, we invest in our people and firmly believe that our workforce is our most valuable asset. A driving force for success and the core to achieving our vision of creating a connected and sustainable future, our team is the heart of our organisation.

A fast‑paced, diverse, and hugely ambitious business, we welcome challengers, innovators and people who embrace change. Establish yourself in a creative environment that champions freedom of expression, and supports you in your personal and professional development – because together, we achieve more.

Are you looking to be part of an exciting journey within an evolving business? Want to learn something new, every single day? Then you’ve come to the right place.