OLG Recruitment are seeking an experienced Mechanical Engineer to work for a major client located in Immingham. This is a contract position for approximately 36 weeks. This work is part of a major compliance initiative to align with API RP 751 (Edition 5) and COMAH obligations, incorporating findings from recent internal audits and a gap analysis. The successful candidate will work under the direction of the Mechanical Engineering Technical Authority (TA) and will liaise closely with operations, engineering, and maintenance personnel. Key Responsibilities: * Review existing procedures related to the HFA Alkylation Unit (6 core documents). * Consolidate and rewrite procedures into a single compliant and user-friendly document. * Ensure alignment with API RP 751 (Edition 5), COMAH regulations, and internal audit findings. * Address gaps identified in the API 751 Gap Analysis and TÜV Rheinland review. * Collaborate with stakeholders (engineers, technicians, operators) to ensure content reflects site-specific workflows and operability. * Implement a clear and directive style with appropriate human factors considerations. * Use internal templates and format suitable for SharePoint publication. * Annotate each gap as either “Closed” or “Flagged for Internal Review”. * Attend review checkpoints and incorporate feedback through Checker/Approver stages. * Role out to Oper...