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Senior Commissioning Engineer-Environmental Engineer

Posted November 26, 2025
Full-time Mid-Senior Level

Job Overview

Senior Commissioning Engineer will be responsible for overseeing all commissioning-related activities, from the initial design phase through to final plant handover covering all responsibilities listed below. 

  • Directs or carries out the commissioning phase of a project, for both equipment and processes, up to delivery, to meet contractual requirements in optimal time-scales

  • Assist in delivering design studies, control the implementation on site during the execution stage, check and coordinate the consistency of design documents produced for a project.

  • Safely handover the plant to client, guaranteeing its operability in terms of performance related with the contract, performing/planning/organizing required pre-commissioning, commissioning and start up steps. 

  • Control of the plant till the final acceptance and  providing site visits to ensure healthy operation of the plant by client.

  • Working in the preparation of the documents at the design stage of the project, either requested with the related contract or required to proper installation and operation of treatment units.

  • Prepares and revises standard documents to optimize commissioning operations

  • Draws up the commissioning schedule in line with the project schedule

  • Directs, coordinates and/or implements the commissioning procedure in line with contractual requirements: safety plans, preliminary operations, process and equipment tests,

  • Analyses, plant adjustments/settings, customer validation of performance, etc.

  • Ensures all relevant safety and security procedures are complied with the requirements, directives and regulations

  • Proposes modifications as necessary to processes, equipment, automatic systems, etc.

  • Drafts and updates operating instructions to take into account lessons learnt during commissioning

  • Monitors compliance and drafts non-compliance forms, proposals for corrective measures, feedback reports

  • Providing necessary training to client field operators.

  • Ensure that all equipment and instruments are installed and calibrated properly, planning of vendor assistance plans of necessary/critical equipment.

  • Participate to control and review required design documents in relation to commissioning activities.

  • Brings support to tender engineers, project engineers and assists to QHSE Department for SAPI projects.

  • Apply the safety procedures for operations bound to their activity.

  • Apply the Quality procedures for operations bound to their activity.

 

 MAIN PARTNERS

 Internal

  • Engineering Manager

  • Process Design Engineers

  • Project Managers

  • Site Supervisors

  • Operations Director

  • Tender Manager

  • Procurement department

External

  • Consultants

  • Suppliers

  • Clients

  • Subcontractors   

  EXAMPLES OF DECISION MAKING  

  • Approvals for commissioning procedure milestones to be done under the guidance/supervision of commissioning manager (to share the decisions with the manager for validation).

  • Basic commissioning steps/tasks to be identified to form the global commissioning program by him/herself. 

COMPETENCIES REQUIREMENTS

TECHNICAL 

  • Design methodology and tools

  • Functional/technical specification

  • Computerized technical drawing 

  • Water treatment techniques 

 BEHAVIORAL

  • Attention to details - Rigorous

  • Analytical reasoning and problem solving

  • Conceptual mind/synthesis

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