Principal Engineer – Instrument


  • Chennai, India
Principal Engineer – Instrument
Job Posted : Jun 20th, 2022

Job Description

Job Responsibilities:-

Responsible to review and approval of EPC Contractor’s Engineering and Vendor documents under PMC role in compliance with Contract, Project Standards, international codes and standards with budgeted man-hour and project schedules.

Primary Duties:-

  • Review EPC contracts/ FEED packages, identify, and resolve discrepancies and divergences through the instigation of technical queries to projects/client.
  • Review / Approval of Technical Document Register (TDR) as per Contract requirements and Inquiry requisitions in line with scope of work.
  • Review /Approval of Design basis, Project specifications, Philosophies, Safety Study specification, Data sheets, P&IDs/, Drawings, etc. developed by EPC Contractors with focus on interface management.
  • Organize the issuance of engineering drawings and technical documents for Inter-Discipline Checks (IDC’s), coordinate with other engineering disciplines in the integration of data inputs and identification critical path.
  • Review Procurement Engineering documents of EPC like MR/Data Sheets/ Technical Bid Evaluations and resolve all deviations to Project specs with Contractors.
  • Review / Approval of VDR, vendor design calculations, drawings, and other documents to ensure the compliance with client equipment specifications.
  • Have participated in HAZOP/SIL workshops and understand HAZOP/SIL methodologies.
  • Experience in preparation of Instrument Datasheets of Valves/flowmeters, MR/TBE preparation of DCS/SIS systems.
  • Interface   with client / vendor representatives, as needed, participate in internal staff meetings, ensure the progress of design reviews in accordance to schedule, allotted man hours and budgeted costs.
  • Familiarity with key design practices related to field instrumentation and related software’s.
  • Understanding of the design features of various control systems (such as DCS System, SIS System, F&G System, BMS, etc) and ability to support site troubleshooting, if needed  Active Participate & Contribute in HAZOP, SIL, HSE studies, Design review meeting with the client, representatives of other engineering disciplines and Vendors.
  • Interact with HSE, Quality Assurance for quality issues, review and approval of ITP;  FAT procedures and strictly ensure compliance with Company’s ISO Quality procedures and Project specification.
  • Assist Internal and Client audit, facilitate audit procedures of engineering systems within the department.
  • Participate in FAT, SAT & support in Troubleshooting of Control System & equipment at Vendor facility & Commissioning /Start-up.
  • Interface and provide clarification and guidance and technical support to construction sites and commissioning engineers, provide start-up assistance as required.
  • Perform departmental duties as and when directed by Direct Supervisor to develop Standards/Data Sheets/Other Tools to improve productivity.
  • Work with engineering and design team for the provision of the detailed design and providing solutions to site and interfaces, as required on the project.

Qualification And Experience:-

  • Instrument Engineering Degree from an accredited college or university.
  • Minimum 12-15 years in relevant experience in Petrochemical or Oil & Gas Projects.
  • Preferably working with an international PMC/ EPC company.
  • Adequate knowledge and practical applications, international specifications, codes and standards concerning to instrument and control engineering.
  • Hands on experience on Instrumentation software’s like Intools, Instucal etc.
  • Hands on experience of commission of DCS/ESD systems, e,g, Honeywell/Yokogawa etc.
  • Excellent English language communication skills in verbal and written briefs and skilled in report writing and compilation.
  • Work to the highest personal standards and achieve set objectives.
  • Proven experience with diverse and multi-cultural teams is essential.
  • Commissioning experience with mega project with reputed oil and gas clients.


  • Chennai, India.

Company Overview:-

Petrofac is a leading international service provider to the energy industry, with a diverse client portfolio including many of the world’s leading energy companies.
We design, build, manage and maintain infrastructure for the energy industries. Our comprehensive and tailored service offering covers each stage of the project life cycle and a variety of commercial models, giving our clients the flexibility, they need.