Mainline Groundworks

Careers at Mainline Groundworks

Join a growing groundworks and infrastructure contractor delivering projects across residential, commercial and development sectors.

Why work with Mainline

Practical site delivery, adoption-led infrastructure and long-term relationships with developers and main contractors.

  • Diverse projects

    Residential plots, commercial schemes and infrastructure packages across London and the South East.

  • Residential and commercial work

    Housebuilder phases, principal contractor packages and mixed-use development sites.

  • Infrastructure and drainage projects

    Roads, sewers, attenuation, utilities and adoption-led civils delivery.

  • Long-term contractor relationships

    Repeat work with developers, main contractors and specialist supply chains.

  • Safety-first culture

    RAMS, site inductions and practical coordination on live construction environments.

  • Professional development

    Exposure to setting out, QA records, adoption interfaces and programme-led delivery.

Current opportunities

Open vacancies across groundworks and infrastructure delivery in London and the South East.

Working with Mainline

Mainline Groundworks supports developers, main contractors and infrastructure-led schemes with coordinated groundworks, drainage and external works packages.

Our teams deliver on roads and sewers, attenuation, foundations and enabling works — with QA records, programme awareness and practical site communication.

As the business grows, we invest in capable site engineers, managers and specialists who understand adoption interfaces, utility coordination and quality handover to follow-on trades.

What our delivery teams work on

  • Residential and commercial groundworks packages
  • Drainage, attenuation and adoptable sewer interfaces
  • Highway tie-ins and estate infrastructure
  • Programme-led sequencing on live development sites
  • Long-term framework and repeat contractor relationships

Learn more on our about page and project portfolio.

Register your interest

We are always interested in hearing from experienced people and specialist subcontractors who want to work on groundworks and infrastructure projects across London and the South East. Applying for a listed vacancy? Use the role page above — this form is for future or speculative opportunities only.

Roles we regularly recruit for:

  • Groundworkers
  • Site Engineers
  • Site Managers
  • Quantity Surveyors
  • Drainage specialists
  • Excavator operators
  • Groundworks subcontractors

We review every application manually. Generic applications and recruitment agency submissions will not receive a response.

Please allow a few minutes to complete this form thoughtfully — incomplete or rushed submissions are filtered automatically.

Describe one groundworks, infrastructure, drainage, highways or foundation project you have worked on in the last 12 months. Include: - Project type - Your role - Approximate contract value - Key responsibilities

Minimum 150 characters.

Minimum 100 characters.

Explore Mainline Groundworks

Understand our delivery scope, commercial services and how we support development teams.

Need groundwork support? Get a fast quote today