Site Manager

Alexander Associates Technical Resources; Greater London; Hybrid; GBP 55,000 - 75,000; Full time

Benefits offered by this job

Competitive salary and benefits

High-value projects

Career progression

Supportive environment

Job summary

Alexander Associates Technical Resources seeks a Site Manager to lead civil or mechanical packages on wastewater treatment projects in South London. You will coordinate site activities, manage subcontractors, and ensure safety, quality and programme delivery on complex schemes.

The role demands proven site management experience in utilities or water projects, strong leadership, and SMSTS certification. A supportive, forward-thinking contractor culture offers clear progression and competitive

Qualifications

• Proven experience as a Site Manager within civil engineering or mechanical installation.
• Background in utilities, water, or wastewater treatment projects is highly desirable.
• Strong leadership and organisational skills are essential.
• SMSTS or equivalent certification is required.

Responsibilities

• Oversee day-to-day site activities across civil or mechanical packages.
• Ensure adherence to health, safety and environmental standards.
• Manage subcontractors and coordinate site resources.
• Monitor programme, progress and quality of works.
• Liaise with clients, engineers and internal stakeholders.
• Maintain accurate site records and reporting.

Skills

Leadership

Organisational skills

Site management

Tools

SMSTS

Job description

Site Manager - Civil or Mechanical

Location: South London

Sector: Wastewater Treatment

Type: Permanent

Alexander Associates are working with a highly regarded specialist design & build contractor delivering complex projects across the wastewater treatment sector. Due to continued growth, they are looking to appoint an experienced Site Manager with either a civil or mechanical background. This is a fantastic opportunity to join a business known for technical excellence, strong project delivery, and a collaborative culture.

The Role:

You will take full responsibility for managing site operations, ensuring projects are delivered safely, on time, and to the highest quality standards. Working closely with project teams, subcontractors, and clients, you will play a key role in the successful delivery of wastewater treatment schemes.

Key Responsibilities:

• Oversee day-to-day site activities across civil or mechanical packages
• Ensure strict adherence to health, safety, and environmental standards
• Manage subcontractors and coordinate site resources effectively
• Monitor programme, progress, and quality of works
• Liaise with clients, engineers, and internal stakeholders
• Maintain accurate site records and reporting

What We're Looking For:

• Proven experience as a Site Manager within civil engineering or mechanical installation
• Background in utilities, water, or wastewater treatment projects (highly desirable)
• Strong leadership and organisational skills
• SMSTS (or equivalent)
• Ability to drive projects forward in a fast-paced environment

What's on Offer:

• Competitive salary and benefits package
• Opportunity to work on technically challenging, high-value projects
• Clear progression within a growing, specialist contractor
• Supportive and forward-thinking working environment

If you're a driven Site Manager looking to work on impactful infrastructure projects within the wastewater sector, we'd be keen to speak with you.