C&I Commissioning Engineer

Job Title:

C&I Commissioning Engineer (Client Representative)

Location:

UK Wide (95% Hybrid / Home Based)

Travel:
Occasional travel to project sites with a primary requirement to attend projects in St Fergus, Scotland, as required

Salary: up to £80,000 plus annual bonus

Permanent | Full time | 40 hours per week

Sector:
Oil & Gas

Role Purpose

We are seeking an experienced C&I Commissioning Engineer to provide technical commissioning support, coordination and assurance across a portfolio of major engineering and infrastructure projects.

Operating predominantly from home, the successful candidate will work closely with project teams, contractors and operational stakeholders to ensure commissioning activities are planned, executed and documented in accordance with project specifications, safety requirements and industry standards.

This is primarily a client-side engineering and assurance role rather than hands-on commissioning, requiring strong technical knowledge combined with excellent stakeholder management skills.

Key Responsibilities

Commissioning Planning & Coordination

Review commissioning strategies, plans, procedures and test documentation.
Ensure commissioning activities are integrated into project schedules and delivery programmes.
Coordinate commissioning interfaces between project teams, contractors, system integrators and operational personnel.
Monitor commissioning progress, identifying potential risks, delays and resource constraints.
Ensure commissioning prerequisites, boundaries and acceptance criteria are clearly defined.
Support planning activities for work on operational facilities and live plant environments.
Track defects, punch-list items and outstanding actions through to completion.
Client Assurance & Contractor Management

Act as the client's technical representative during commissioning activities.
Attend commissioning meetings, readiness reviews, inspections and testing activities.
Review commissioning records and objective evidence to verify compliance with project requirements.
Challenge deviations, incomplete documentation or unsupported close-out requests.
Ensure commissioning activities are completed safely and in accordance with company procedures and industry standards.
Support project acceptance, handover and operational readiness activities.
Technical Support

Review engineering and commissioning documentation including:

Control philosophies
Functional Design Specifications (FDS)
Cause & Effect documentation
SAT/FAT procedures
P&IDs
Loop drawings
Alarm schedules
Functional safety documentation

Provide commissioning input during design reviews, HAZOPs, LOPAs and technical workshops.
Support design teams to ensure operability, maintainability and testability requirements are incorporated.
Testing & Commissioning Oversight

Support and oversee:

Factory Acceptance Testing (FAT)
Site Acceptance Testing (SAT)
Static commissioning
Dynamic commissioning
Functional testing
Performance testing
Site handover activities

Ensure testing is conducted safely and in accordance with approved procedures.
Support defect management, retesting and final acceptance processes.
Review commissioning documentation and ensure a clear audit trail is maintained.
Communication & Reporting

Provide regular updates on commissioning progress, risks and issues.
Prepare technical reports and commissioning status updates.
Communicate effectively with both technical and non-technical stakeholders.
Build and maintain strong working relationships across multiple project teams.
Essential Requirements

Experience with in Control & Instrumentation, Electrical, Automation, Control Systems or a related engineering discipline.
Proven commissioning experience within industrial, process, energy, utilities or infrastructure environments.
Strong understanding of the commissioning lifecycle from installation through to operational handover.
Experience supporting FAT, SAT, functional testing and system acceptance activities.
Ability to review technical documentation and identify potential issues.
Excellent communication and stakeholder management skills.
Strong organisational and reporting capabilities.
Full UK driving licence and willingness to travel to St Fergus and…