Mechanical QA Engineer

Carrington West; Greater London; On-site; GBP 65,000 - 83,000; Full time

Job summary

Carrington West is seeking a Mechanical Quality Assurance Engineer / Mechanical Construction Manager for a long‑term West London contract. The role centers on managing QA documentation, ITPs, inspection records, and handover packs across mechanical pipefitting installations within a live rail infrastructure environment.

You will lead QA activities from installation through final handover, coordinating with site teams and client sign-offs to ensure standards, regulatory compliance, and

Qualifications

• Experience as Mechanical QA Engineer or Mechanical Construction Manager on major infrastructure projects.
• Proven track record managing ITPs, inspection records and QA documentation.
• Strong ability to produce handover dossiers and maintain quality packs.
• Excellent collaboration with site teams to ensure compliance and traceability.

Responsibilities

• Manage ITPs, inspection records, test packs, and QA documentation.
• Review pipefitting and mechanical installation works against drawings and specs.
• Produce and maintain handover dossiers, quality packs and completion documentation.
• Coordinate inspections, witness points, and client sign-offs throughout installation.
• Record and track non-conformances, corrective actions and close-out activities.

Skills

QA documentation

ITP management

Inspection records

Handover packs

Weld QA

Pipefitting experience

Job description

Are you a Mechanical QA Engineer or Mechanical Construction Manager with strong experience managing the quality and documentation side of mechanical pipefitting installations? Do you have experience producing, reviewing, and managing QA documentation, ITPs, inspection records, and handover packs on major infrastructure?

Job Title: Mechanical Quality Assurance Engineer / Mechanical Construction Manager

Location: West London (5 Days Site Based)

Rate: £350 - £450 per day (Outside IR35)

Contract: Until December 2027

Start Date: ASAP

Looking for a long-term contract where you can take ownership of the mechanical quality assurance process from installation through to final handover?

This is an opportunity for an experienced Mechanical Quality Assurance Engineer / Mechanical Construction Manager to support a major rail infrastructure programme in West London. Working within a live operational environment, you will play a key role in ensuring all mechanical and pipefitting works are fully documented, inspected, and handed over in accordance with project specifications, client standards, and regulatory requirements.

The role is heavily focused on quality assurance, inspection management, and documentation control, making it ideal for someone with a strong mechanical background who is equally comfortable working with site teams and managing detailed QA records and compliance documentation.

Where you will add value

• Managing ITPs, inspection records, test packs, and mechanical QA documentation
• Reviewing pipefitting and mechanical installation works against drawings, specifications, and quality requirements
• Producing and maintaining handover dossiers, quality packs, and completion documentation
• Coordinating inspections, witness points, and client sign-offs throughout the installation process
• Recording and tracking non-conformances, corrective actions, and close-out activities
• Supporting weld and pipework quality assurance activities and ensuring full traceability of documentation
• Working closely with construction, commissioning, and engineering teams to ensure documentation is aligned with site progress
• Supporting client audits, quality reviews, and final handover activities

To succeed in this role, you will need

• Previous experience operating as a Mechanical QA Engineer, Mechanical Quality Engineer, or Mechanical Construction Manager on major infrastructure, industrial, or building services projects
• Strong background in pipefitting, mechanical pipework, and associated installation activities
• Extensive experience managing ITPs, test packs, inspection records, QA documentation, and handover processes
• Good understanding of mechanical installation standards, testing, commissioning, and quality control procedures

Why this contract stands out

• Long-term contract secured through to December 2027
• Outside IR35 engagement
• Opportunity to work on a major high-profile infrastructure programme in West London
• Strong emphasis on quality, compliance, and documentation management rather than purely site supervision
• Five-day site-based role with a clear project pipeline and immediate interview availability