Principal Mechanical Engineer

Scantec Personnel Limited; Manchester; On-site; GBP 50,000 - 70,000; Full time

Job summary

A leading engineering consultancy is seeking a Senior/Principal Mechanical Engineer for a contract role in Manchester. The successful candidate will lead mechanical design services for projects in the water sector. Applicants should have proven experience in mechanical design and knowledge of UK water sector regulations. This role offers a hybrid working model with potential for long-term engagement.

Qualifications

• Proven experience in mechanical design for water and wastewater infrastructure.
• In-depth knowledge of AMP programme delivery and UK water sector requirements.
• Strong understanding of CDM, QA procedures, and compliance processes.

Responsibilities

• Lead the delivery of mechanical design services across a portfolio of water sector projects.
• Ensure compliance with relevant industry codes, standards, and CDM regulations.
• Deliver high-quality, auditable documentation and technical records.

Skills

Mechanical design for water infrastructure

Knowledge of CDM regulations

Project management across design scopes

Collaboration with multidisciplinary teams

Job description

Salary: Competitive rate - outside of scope of IR35

Job Reference: JOB-89961

Published: 24-07-2025

Duration: 12 months+

Expiry Date: 21-08-2025

Country: United Kingdom

Senior/ Principal Mechanical Engineer – Water Sector
Contract - outside of scope of IR35
Location: Manchester (Hybrid - 2 days per week on site)
Duration: 12 months+

We are supporting a leading consultancy delivering increased volumes of mechanical design work within the UK water sector, driven by the demands of AMP8 frameworks. This is a long-term contract opportunity for experienced engineers to play a central role in delivering high-impact projects for multiple end clients across clean and wastewater infrastructure.

The Role

As a Principal Mechanical Engineer, you will:

Lead the delivery of mechanical design services across a portfolio of water sector projects

Ensure compliance with relevant industry codes, standards, and CDM regulations

Deliver high-quality, auditable documentation and technical records

Support Project Discipline Engineers and Engineering Managers with scoped design packages

Liaise across disciplines, supply chain, and partners to enable successful project outcomes

Assist with team selection and oversight through SQEP processes

Monitor progress, ensure technical assurance, and support risk and quality management

What You’ll Bring

Proven experience in mechanical design for water and wastewater infrastructure

In-depth knowledge of AMP programme delivery and UK water sector requirements

Strong understanding of CDM, QA procedures, and compliance processes

Ability to manage multi-package design scopes across time, cost, and quality objectives

Collaborative working style with a proactive and quality-focused mindset

Experience working with multidisciplinary teams and contributing to successful design delivery

This contract offers a clear opportunity to make a lasting impact within a highly regulated sector and contribute to the delivery of future-ready infrastructure. Contractors seeking longer-term work with potential for permanent transition are encouraged to apply.