Quality Assurance Engineer; Mechanical

ACCIONA is a global company, leading in the development of regenerative infrastructure that creates a positive impact on society. Our workforce consists of more than 65,000 professionals across 40‑plus countries, all contributing to our mission to design a better planet.

Senior QC Engineer – Mechanical Erection

Edmonton, London E4 8JG
. Some flexibility may be required to perform duties from other sites or premises as reasonably necessary from time to time.

The Senior QC Engineer – Mechanical Erection is responsible for assuring quality compliance during the erection, installation, inspection, and testing of boiler pressure parts, particularly water wall panels, economizers, headers, and associated piping systems. The role ensures all construction activities are executed in full compliance with project specifications, applicable international standards, approved procedures, and Inspection & Test Plans (ITPs).

• Lead and perform QC inspections for mechanical erection activities related to water wall panels, boiler pressure parts, headers, drums, manifolds, and structural supports.
• Verify that erection activities comply with approved IFC drawings, method statements, and ITPs.
• Witness and record fit‑up inspections, dimensional checks and alignment, torqueing and bolting activities, welding activities, and heat treatment (PWHT). Conduct material receiving inspections (MRI) and verify vendor documentation.
• Control welding and NDT, ensuring compliance with approved Welding Procedure Specifications (WPS) and Procedure Qualification Records (PQR). Verify welder and welding operator qualifications.
• Coordinate and verify NDT activities: VT, PT, MT, UT, RT as applicable. Review and approve NDT reports and welding records.
• Maintain complete, accurate, and traceable QC documentation, including inspection reports, material certificates (EN 10204 3.1/3.2), welding maps and logs, and NDT and test reports.
• Manage and close RFIs, raise, manage, and follow up on Non‑Conformance Reports (NCRs) and corrective actions.
• Support testing and commissioning by witnessing hydrostatic pressure testing, leak tests, flushing, blowing, and pre‑commissioning activities, ensuring results meet acceptance criteria and regulatory requirements.
• Supervise subcontractors’ quality activities, ensuring compliance with contractual requirements.
• Support QA/QC Manager during audits, inspections, and client/third‑party surveillance. Promote a strong quality and safety culture on site.

• Bachelor’s Degree in Mechanical Engineering or equivalent.
• Minimum 5‑8 years of experience in QC/QA roles for mechanical erection in power generation boilers, HRSGs, or industrial plants.
• Proven experience with boiler pressure parts erection and water wall panels.
• Strong knowledge of welding, NDT, and pressure testing.
• Certification in ISO 9001 Quality Management Systems (preferred).
• CSWIP / BGAS or similar inspection certifications (advantageous).

• BS/EN/European Standards: EN 12952 – Water‑tube boilers and auxiliary installations; EN 13445 – Unfired pressure vessels; EN ISO 15614 – Welding procedure qualification; EN ISO 9606 – Welder qualification.
• ISO Standards: ISO 9001:2015 – Quality Management Systems; ISO 3834 – Quality requirements for fusion welding; NDT Standards ISO 9712, ASNT SNT‑TC‑1A (where project requirements specify).
• Applicable UK regulations and statutory requirements.

• Strong understanding of international codes and standards.
• Excellent documentation and reporting skills.
• Ability to work independently on site in a fast‑paced environment.
• Strong communication skills with subcontractors, clients, and third parties.
• High attention to detail and problem‑solving capability.
• Proficient in MS Office and QA/QC documentation systems.

ACCIONA values diversity as a source of talent and fosters an inclusive environment that promotes respect, belonging, and engagement. All people can participate on an equal‑opportunity basis. We invite everyone to apply regardless of origin, circumstances, background, or condition.