Mechanical Site manager

Alexander Associates; West Midlands; Hybrid; GBP 45,000 - 65,000; Full time

Benefits offered by this job

Competitive salary

Flexible working arrangement

Opportunity to work on high-impact projects

Job summary

Alexander Associates is seeking a Mechanical Site Manager for water and wastewater treatment projects in Birmingham. This role includes overseeing installation and commissioning while managing site activities and multiple stakeholders.

With a hybrid arrangement of 3 days on site and 2 days working from home, the successful candidate will handle various responsibilities, including compliance with regulations and producing project documentation. Strong technical knowledge and experience in the water sector are essential.

Qualifications

• Proven experience as a Mechanical Site Manager within water sector or industrial projects.
• Strong understanding of pumping systems and related mechanical installations.
• Certifications: SMSTS, CSCS (Black or Gold Card), first aid certification.

Responsibilities

• Manage day-to-day mechanical installation activities on projects.
• Coordinate subcontractors and maintain quality and schedule.
• Ensure compliance with health & safety and environmental obligations.
• Produce RAMS, site diaries, and progress reports.

Skills

Mechanical installation management

Stakeholder communication

Understanding of mechanical pipework

Compliance with CDM regulations

Tools

NEC contract management

RAMS documentation

Job description

Mechanical Site Manager – Water & Wastewater Treatment

Birmingham (Site-Based with Hybrid Working)

About The Company

Our client is an award-winning provider of proprietary technologies for cost-efficient and environmentally friendly water and wastewater treatment, specialising in innovative solutions for industrial and municipal clients. Their range of best-in-class technologies have been deployed at over 100 sites globally, and the business has achieved exceptional growth year-on-year‑making this an exciting time to join a company with real momentum behind it.

The Role

We're looking for an experienced Mechanical Site Manager to oversee the installation and commissioning of water and wastewater treatment systems on site. You'll be the key point of contact between the site team, supply chain, and the wider project management function - ensuring works are delivered safely, on programme, and to the high standards our client's customers expect.

This role offers a genuine hybrid working arrangement: 3 days on site, 2 days working from home.

Key Responsibilities

• Managing day-to-day mechanical installation activities on water/wastewater treatment projects
• Coordinating subcontractors, suppliers, and direct labour to maintain programme and quality
• Ensuring full compliance with CDM regulations, site‑specific health & safety requirements, and environmental obligations
• Liaising with the client, design team, and commissioning engineers throughout the construction phase
• Producing and maintaining RAMS, site diaries, progress reports, and O&M documentation
• Supporting the commissioning phase, working alongside process and commissioning engineers to bring plant into operation
• Identifying and managing technical queries, RFIs, and variation events

What We're Looking For

• Proven experience as a Mechanical Site Manager on water sector or process/industrial projects
• Strong understanding of mechanical pipework, pumping systems, and associated plant — ideally within a treatment works environment
• SMSTS, CSCS (Black or Gold Card), and first aid certification
• Comfortable working with NEC or similar forms of contract
• Strong communication skills - able to manage multiple stakeholders and represent the business professionally on site
• Self‑motivated and organised, capable of managing remote workdays effectively

What's On Offer

• Competitive salary (dependent on experience)
• Hybrid working - 3 days site, 2 days from home
• The chance to work on technically interesting, high‑impact water infrastructure projects
• A growing business with a strong pipeline and a genuine reputation for innovation in the sector