Plant Modifications Proposal Manager

ASSYSTEM • Seascale, England, United Kingdom • Posted June 06, 2026

Location Seascale, England
Job Type full-time
Category Operations Specialties Managers
Posted June 06, 2026
Job Description

Role Purpose

The Lead PMP Manager is responsible for the leadership, coordination, and governance of Plant Modification Proposals (PMPs), ensuring modifications to plant and processes are controlled, safe, and compliant with Site Licence Conditions and SLP 1.02.14 requirements.

️ The role leads PMP delivery from initiation through to closeout, ensuring effective stakeholder engagement, integration with project controls, and adherence to safety, environmental, and design intent requirements.

The successful candidate will oversee other PMP Managers delivering PMPs and will also deliver PMPs themselves — this is not solely an “authoring” role.

Key Responsibilities

‍ Leadership & Management

Lead and coordinate PMP Managers and support personnel where required.

Provide direction on PMP prioritisation, workload, and lifecycle management.

Ensure alignment with organisation...

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