Senior Instruments Design and control Engineer

Quest Global; Bengaluru; On-site; INR 600,000 - 1,200,000; Full time

Job summary

Quest Global is seeking anInstrumentation Design & Detail Engineer to work on Oil & Gas, Power, and Process projects in Bengaluru. The role focuses on delivering instrumentation deliverables, interfacing with DCS/PLC/SIS systems, and ensuring compliance with ISA/IEC/API/ISO standards.

The candidate will review PFDs, P&IDs, datasheets, and instrument wiring diagrams, while coordinating with multidisciplinary teams to meet project specifications and safety requirements.

Qualifications

• Experience in Instrumentation Design & Detail Engineering for Oil & Gas, Power, and Process industries.
• Experience developing and reviewing engineering deliverables and coordinating with multidisciplinary teams.
• Knowledge of ISA, IEC, API, ISO, ATEX/IECEx and client standards.
• Hazardous-area requirements knowledge including Zone classification and relevant standards.

Responsibilities

• Review PFDs, P&IDs, process datasheets, equipment datasheets, line lists, utility information, and project specifications.
• Prepare and maintain the Instrument Index and I/O List, Instrument Cable Schedule, JB Schedule, Cable Block Diagram, and Interconnection Diagrams.
• Prepare and review Instruments & Control valve Datasheets and Specifications Instrument Loop Diagrams and termination/wiring diagrams.
• Prepare Instrument Hook-Up Drawings for pressure, temperature, flow, level instruments, control valves, and other field instruments.
• Prepare and review Instrument Location Plans and instrument installation details.
• Support flow-meter selection, control-valve sizing, orifice sizing, and other instrumentation calculations.
• Develop and review Cause & Effect diagrams, Alarm & Trip schedules, and Interlock requirements.
• Coordinate field instruments with DCS, PLC, and SIS systems.

Skills

Instrumentation design

Detail engineering

PFDs & P&IDs review

DCS/PLC/SIS coordination

Vendor documentation review

Education

Bachelor's degree in Instrumentation Engineering

Job description

Job Requirements

At Quest Global, it’s not just what we do but how and why we do it that makes us different. With over 25 years as an engineering services provider, we believe in the power of doing things differently to make the impossible possible. Our people are driven by the desire to make the world a better place—to make a positive difference that contributes to a brighter future. We bring together technologies and industries, alongside the contributions of diverse individuals who are empowered by an intentional workplace culture, to solve problems better and faster.

Key Responsibilities

• Review PFDs, P&IDs, process datasheets, equipment datasheets, line lists, utility information, and project specifications.
• Prepare and maintain the Instrument Index and I/O List, Instrument Cable Schedule, JB Schedule, Cable Block Diagram, and Interconnection Diagrams.
• Prepare and review Instruments & Control valve Datasheets and Specifications Instrument Loop Diagrams and termination/wiring diagrams.
• Prepare Instrument Hook-Up Drawings for pressure, temperature, flow, level instruments, control valves, and other field instruments.
• Prepare and review Instrument Location Plans and instrument installation details.
• Support flow-meter selection, control-valve sizing, orifice sizing, and other instrumentation calculations.
• Develop and review Cause & Effect diagrams, Alarm & Trip schedules, and Interlock requirements.
• Coordinate field instruments with DCS, PLC, and SIS systems.
• Review DCS/PLC/SIS I/O requirements, marshalling, cabinet interfaces, and signal termination details.
• Review vendor drawings, datasheets, calculations, certificates, wiring diagrams, and other vendor documentation.
• Ensure compliance with applicable ISA, IEC, API, ISO, ATEX/IECEx, NEC/NFPA, and client standards.
• Review hazardous-area requirements including Zone classification, Ex d, Ex ia, Ex ib, Ex ic, gas groups, and temperature classes.
• Resolve client and vendor comments and incorporate approved changes into engineering deliverables.

We are known for our extraordinary people who make the impossible possible every day. Questians are driven by hunger, humility, and aspiration. We believe that our company culture is the key to our ability to make a true difference in every industry we reach. Our teams regularly invest time and dedicated effort into internal culture work, ensuring that all voices are heard.

We wholeheartedly believe in the diversity of thought that comes with fostering a culture rooted in respect, where everyone belongs, is valued, and feels inspired to share their ideas. We know embracing our unique differences makes us better, and that solving the worlds hardest engineering problems requires diverse ideas, perspectives, and backgrounds. We shine the brightest when we tap into the many dimensions that thrive across over 21,000 difference-makers in our workplace.

Work Experience

• Experience in Instrumentation Design & Detail Engineering for projects in Oil & Gas, Power, and Process industries.
• Experienced in developing and reviewing engineering deliverables, coordinating with multidisciplinary teams and ensuring compliance with project specifications, international standards, and client requirements.