Principal Commissioning Specialist – Offshore (HVAC) C12-2257


Job Type



Houston, TX



Commissioning Manager

Commissioning Leads



Discipline Technicians.



Construction Supervisors

Mechanical Completions Coordinator (Electrical)

Discipline commissioning engineers.

Sub-Contractor’s commissioning engineers



Responsible to the Commissioning/Start-up Manager for: completion verification of all work detailed within the HVAC System & Sub Systems discipline sections of the construction / integration plan and provides HVAC commissioning assistance to the commissioning engineers during the facility commissioning. Provide the start-up assistance to the Company as necessary.

Fully responsible for all the HVAC engineering commissioning activities for the facility for the HVAC systems and related temporaries used during commissioning and start up.



Verify population and maintenance of the Systems Completions Database and ensures that it is up to date and includes current/correct data from engineering and that tags are correctly tied/linked to each HVAC and other related subsystems.

Ensure that “A” Check sheets and are correctly tied/linked to data base tags.

Responsible for interacting with Electrical and Instrumentation Contractor and Sub-Contractor construction teams to ensure that all HVAC systems are commissioned prior to handover to the start-up Team. 

Monitor the preparation, verification, and documentation of “A” and “B” check sheets, punch lists, as-built P&IDs, etc.

Support project in tracking HVAC commissioning activity to System Completion transition in order to realize a timely and systematic startup activity.

Work in close association with HVAC Contractor and Sub-Contractors construction teams to ensure a smooth and seamless transition from Commissioning to SU.  Focus is to ensure systems are safely commissioned and ready for start up

Interface with Engineering to ensure engineering data is updated in accordance with revision updates of key documents, i.e., cable schedules, , One line diagrams, etc.

Review and approval of EPC Contractor’s procedures for commissioning and handover activities including Company’s requirements to inspect, review or witness certain aspects of measuring completion.

Review and approval of EPC Contractor’s implementation of commissioning requirements to Vendors, production of MC dossiers for use by Vendors, acceptance and input into the CMS data base of received MC dossiers.

Provide guidance to EPC Contractor to secure an efficient and safe execution of commissioning and handover. 

Work with EPC Contractor to achieve completion of such additional parts of the facility, systems, sub-systems and temporary utilities that may be required to facilitate commissioning and start-up of the facility.

Interface with Planning and Construction to meet scheduled commissioning dates.

Ensure that Construction and mechanical completions is working prioritized area completion so that transition from area to system MC meets agreed project schedule/handover dates.

Ensure that all vendor IRNs and OS&D reports are incorporated into the system/sub-system punch lists

Participate in final MC/Commissioning walk-downs/punch outs of systems and reviews/approves final “B” and “C” punch list items before input into the CMS database.  Ensures final-approved system punch list are input into the CMS database.

Ensure MC certificates are prepared, signed by appropriate supervisors/managers and distributed as stipulated in project Coordination Procedures.

Provide assistance in the preparation of MC Dossier format and helps set up all dossiers.

Verify and sign off MC dossiers for systems.

Participate in the commissioning activities at all stages such as loop and continuity checks.

Participate in the start-up of the facility and provide the assistance to the Company in the plant start-up in HVAC discipline.





A Mechanical/Electrical Engineering Degree/ Diploma or Equivalent and 10-12 years work Experience. This must include at least 8 years direct “hands on” experience in construction and/or systems completion and commissioning of HVAC systems in LNG/Oil and gas processing is essential.

Fully conversant with the applicable HVAC engineering codes and practices used in the oil and gas industry.

High safety awareness is mandatory.  A good knowledge of simultaneous operations (SIMOPS) is essential.

Systems Completion electronic database management system experience.

Knowledge of Off-Shore and production systems and offshore work experience is mandatory. Must also possess an ability to work in harsh and inclement conditions.