Find a jobRecruiters

Mechanical Supervisor

Exclusive opportunity

Onsite

Mechanical Supervisor

Costain Group PLC

Mechanical Supervisor

8 days ago

Share this opportunity

Share this opportunity to other talents of your network:
✓ Offer them a visibility boost with clients.
✓ Help your contacts find their next job.

Important information


Contract type:

Permanent

Location:

Southampton, UK

Work mode:

Onsite

Published on:

17 October 2026

What they need


CMDP+ is looking for a Site Supervisor (Mechanical Bias) to join our Southern Water Framework. MWH Treatment and Costain Group are part of the CMDP+ joint venture that will deliver a range of construction schemes to maintain and improve Southern Water’s water supply and wastewater treatment works within the South and Southeast regions.

At Costain, we believe diverse perspectives drive innovation. If you’re passionate about making a positive impact and think you can bring value to our team, we’d love to hear from you—even if you don’t tick every box. Your unique skills and experiences could be exactly what we need.

Responsibilities

  • Supervision of site mechanical installations
  • Ensuring SHE standards are maintained and safe systems of work are being adhered to
  • Ensuring a high-quality product is being produced in line with current standards and specifications.
  • Attend site inductions and toolbox talks.
  • Ensure mechanical safety rules are adhered to and supporting documentation is produced in line with CMDP mechanical safety rules.
  • Carry out regular mechanical safety inspections on temporary and permanent equipment.
  • Assist with compilation

Essential Knowledge, Skills, and Experience:

  • HNC or higher within Mechanical Engineering discipline
  • Previous water/wastewater site experience (preferred)
  • SSSTS or SMSTS
  • AAW
  • Membership within a relevant professional

Qualifications

  • HNC or higher within Mechanical Engineering discipline
  • SSSTS or SMSTS

About Us Costain helps to improve people’s lives with integrated, leading edge, smart infrastructure solutions across the UK’s energy, water, transportation and defence markets. We help our clients improve their business performance by increasing capacity, improving customer service, safeguarding security, enhancing resilience, decarbonising and delivering increased efficiency. Our vision is to be the UK’s leading smart infrastructure solutions company. We will achieve this by focusing on blue chip clients whose major spending plans are underpinned by strategic national needs, regulatory commitments, legislation or essential performance requirements. We offer our clients leading edge solutions that are digitally optimised through the following five services which cover the whole lifecycle of their assets: future-shaping strategic consultancy; consultancy and advisory; digital technology solutions; asset optimisation and complex programme delivery. Our culture and values underpin everything we do.

Costain appreciate the time and effort taken when applying for one of our positions but, due to the high volume of responses, we are unable to provide individual feedback on candidates at application phase.

We do share individual feedback following an interview .

A Disability Confident employer will generally offer an interview to any applicant that disclose they have a disability and meets the minimum criteria for the job as defined by the employer.

It is important to note that in certain recruitment situations such as high-volume, seasonal and high-peak times, the employer may wish to limit the overall numbers of interviews offered to both disabled people and non-disabled people.

For more details please go to the Disability Confident website:

https://www.gov.uk/government/collections/disability-confident-campaign

About The Team CMDP is a joint venture between Costain and MWHT and delivers a range of schemes to maintain and improve Southern Water’s water supply and wastewater treatment works in the eastern half of its region (Kent & Sussex).

Other offers great for you!

These companies are also looking for great profiles

Sherpa Accompagnement

Responsable Qualité - Plasturgie / Injection

Permanent contract

Brie-Comte-Robert, France

Onsite

Skills

Quality Management SystemISO 9001IATF 16949ISO 13485Injection moldingPPAPFMEA8D

17 hours ago

Quick apply

Bloomays

RPO freelance - 3j/semaine - Paris

Freelance

Paris, France

Onsite

Top Recruiter

Skills

RecruitmentRPO Tech

9 hours ago

Quick apply

Anderson RH

EXPERT AWS- mise en conformité-sécurité-migration

Freelance

Paris, France

Hybrid

Skills

AWSCloud securityCloud governanceGRCCloud complianceInfrastructure migrationEXPERT AWS- mise en conformité-sécurité-migration anglais courant

4 hours ago

Quick apply

The best place to find your next move

© 2026. All Rights Reserved.

Talents

Find a job

Create a profile

Solutions and tools