Design Engineer-Instrumentation

Job Summary

Design Engineer – Instrumentation responsible for the detailed design and engineering of instrumentation and

control systems for oil & gas infrastructure and industrial projects. The role involves selection and specification

of field instruments preparation of instrumentation engineering drawings and documents development of

control and safety system interfaces performing instrumentation calculations and ensuring compliance with

applicable industry standards project specifications and QHSE requirements.

Roles & Responsibilities

- Perform detailed instrumentation engineering and design activities for oil & gas infrastructure and

industrial projects.

- Develop and review Instrument Index I/O List Instrument Datasheets Instrument Specifications and

Instrument Schedule.

- Prepare and review instrumentation design drawings including Instrumentation and Control

Diagrams P&IDs Instrument Loop Diagrams Hook-up Drawings and Wiring Diagrams.

- Prepare and review instrument cable schedules cable block diagrams junction box schedules

termination diagrams and instrument installation details.

- Develop and review Control System Architecture I/O allocation marshalling details and interfaces

with DCS PLC ESD SIS F&G and other control systems.

- Perform instrument sizing and selection including control valves on/off valves flow pressure

temperature level analytical and other process instrumentation.

- Prepare and review control valve datasheets sizing calculations valve specifications and related

technical documents.

- Develop and review Cause & Effect diagrams Control Narratives Alarm and Trip settings and

shutdown logic in coordination with process and control system disciplines.

- Develop and review equipment datasheets technical specifications material requisitions BOQs and

MTOs.

- Prepare technical evaluations of vendor offers and ensure compliance with project specifications

datasheets and applicable standards.

- Coordinate with instrument vendors and suppliers for technical clarifications document reviews and

resolution of engineering comments.

- Review vendor drawings calculations datasheets and technical documentation.

- Prepare and submit instrumentation design reports calculations and engineering documentation.

- Coordinate with Process Mechanical Electrical Piping Civil Telecom and other engineering

disciplines to resolve interfaces and design requirements.

- Interface with procurement construction pre-commissioning commissioning and operations teams to provide technical support. - Participate in FAT SAT inspection testing commissioning and loop-check activities where required. - Ensure instrumentation designs comply with applicable IEC ISA NFPA ISO and relevant project codes and specifications.

QHSE Responsibilities

- Ensure all instrumentation and control system designs comply with relevant QHSE standards codes

regulations and project requirements.

- Support Hazard Identification (HAZID) and Risk Assessments (RA) during the design phase.

- Participate in risk screening and hazard identification activities during the early design stages to

proactively address potential HSE risks.

- Participate in HAZOP SIL assessments LOPA constructability reviews and other safety-related

engineering activities as required.

- Support the development and review of Safety Instrumented System (SIS) requirements and related

safety documentation.

- Maintain thorough documentation for design traceability and quality assurance during audits.

- Participate in QHSE training programs toolbox talks and continuous improvement initiatives.

Job-Specific Education & Certification

Education

- Bachelor’s Degree in Instrumentation Engineering Control Engineering Electronics & Instrumentation

Engineering or equivalent.

Certifications

- Certification or demonstrated proficiency in relevant instrumentation and control engineering

software/tools.

- Familiarity with engineering software and design tools used for instrumentation and control system

design.

Skills & Competencies

Core Competencies

- Orientation

- Leadership & Supervision

- Team Collaboration

- Problem Solving

- Communication Skills

Job-Specific Competencies

- Proficient in AutoCAD MS Office and relevant instrumentation engineering/design software.

- Knowledge of DCS PLC ESD SIS F&G and industrial control systems.

- Strong knowledge of field instrumentation control valves shutdown valves and process measurement

systems.

- Strong understanding of P&IDs instrument loop diagrams hook-up drawings cable schedules and

instrument installation requirements.

- Familiar with project life cycle from concept and FEED through detailed engineering procurement

construction commissioning and start-up.

- Strong understanding of instrumentation safety hazardous area requirements control systems and

engineering practices.

- Knowledge of applicable IEC ISA NFPA ISO and project-specific standards and specifications. - Ability to review vendor documentation and perform technical evaluation of instrumentation equipment and systems. - Strong coordination skills with multidisciplinary engineering teams vendors procurement construction and commissioning teams.

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Experience

- Minimum 10-12 years of relevant experience in electrical design engineering in oil & gas Infrastructure

or Industrial Projects