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 major rail infrastructure programme in West London. You will own the mechanical QA process from installation through to final handover in a live operating environment.

The role focuses on QA documentation, ITPs, inspection records, and handover packs, coordinating inspections, non-conformances, and client sign-offs with site and engineering teams.

Qualifications

• Experience as Mechanical QA Engineer or Mechanical Construction Manager on major infrastructure projects.
• Strong background in pipefitting and mechanical pipework.
• Extensive experience managing ITPs, test packs, inspection records, QA docs, and handover processes.
• Knowledge of installation standards, testing, commissioning and quality control procedures.

Responsibilities

• Manage ITPs, inspection records, test packs, and QA documentation.
• Review pipefitting and mechanical installations against drawings and specs.
• Produce handover dossiers, quality packs and completion documentation.
• Coordinate inspections, witness points and client sign-offs.
• Record non-conformances and drive corrective actions to close-out.
• Support weld and pipework QA activities and ensure documentation traceability.
• Collaborate with construction, commissioning and engineering teams to align documentation with progress.
• Support client audits, quality reviews and final handover activities.

Skills

Mechanical QA

QA documentation

Pipefitting

Site coordination

Handover processes

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