Electrical & Instrumentation Design Engineer

OHM ENGINEERING PTE LTD; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

OHM ENGINEERING PTE LTD in Singapore seeks an Electrical & Instrumentation Design Engineer with 5+ years of oil & gas EPC experience. You will lead FEED and detailed design, develop instrument control philosophies, and coordinate with vendors to deliver compliant, safe, and reliable electrical/instrumentation packages for complex projects.

You will collaborate with process, mechanical, piping, civil, and automation teams to ensure integrated design.

Qualifications

• Minimum 5 years of experience in Electrical & Instrumentation design.
• Proven experience in oil & gas / petrochemical EPC projects.
• Hands-on FEED and detailed engineering experience.
• Familiarity with international codes commonly used in oil & gas.

Responsibilities

• Design electrical systems including LV/MV power distribution, load lists, cable sizing, routing, earthing & lightning protection.
• Prepare and review single line diagrams (SLD), layouts, schematics, cable schedules, and calculations.
• Coordinate with vendors for equipment selection, datasheets, and bid evaluations.
• Ensure compliance with IEC, IEEE, NEC, API, and project specifications.
• Provide engineering support during procurement, construction, installation, testing, and commissioning.

Skills

Electrical design

Instrumentation design

Project coordination

Multi-tasking

Problem solving

Site visits

Education

Bachelor’s Degree in Electrical Engineering

PE registration or equivalent

Tools

ETAP

Dialux

SmartPlant

AutoCAD

Job description

Job Description:

Electrical Engineering

• Performelectrical system designincluding LV/MV power distribution, load lists, cable sizing, cable routing, earthing & lightning protection systems.
• Prepare and reviewsingle line diagrams (SLD), layouts, schematics, cable schedules, and calculations.
• Coordinate with vendors forelectrical equipment selection, datasheets, and technical bid evaluations.
• Ensure compliance with relevant standards such asIEC, IEEE, NEC, API, and project specifications.
• Provide engineering support duringprocurement, construction, installation, testing, and commissioningphases.

Instrumentation & Control Engineering

• Developinstrumentation design deliverablesincluding instrument datasheets, index, hook-up drawings, loop diagrams, wiring diagrams, and control philosophies.
• Performinstrumentselectionand specificationfor process measurement, control, and safety systems.
• SupportDCS, PLC, and SISrelated design activities, including I/O lists and cause & effect charts.
• Participate inHAZOP, SIL, and design review workshopsasrequired.
• Interface with process, mechanical, piping, civil, and automation disciplines to ensure integrated design.

General Responsibilities

• Act as adesign engineerand provide technical input across project phases (FEED, detailed engineering, and modifications)and engineering support during tendering phase.
• Review vendor drawings and documents for compliance with design intent.
• Ensure engineering deliverables are completedon time, within scope, andin accordance withquality standards.
• Support site queries, technical clarifications, and as-built documentation.
• Mentor junior engineers and designers where applicable.

Experience Requirement:

• Minimum5years of working experienceas anElectrical & Instrumentation Design Engineer.
• Proven experience inoil & gas / petrochemical EPC projects.
• Hands-on experience inFEED and detailed engineering.
• Exposure tobrownfield projects, plant modifications, or revamp worksis an advantage.
• Familiarity withclient standards and international codescommonly used in the oil & gas industry.

Qualification Requirement:

• Bachelor’s Degree inElectrical Engineering, Instrumentation Engineering, or equivalent.
• Professional Engineer (PE) registration or equivalent isan added advantage.
• Formal training or certification inDCS, PLC, or Functional Safety (SIL)is a plus.

Require Skill:

• Strong knowledge ofelectrical and instrumentation design principles.
• Good understanding ofoil & gas process facilities and plant operations.
• Proficient in engineering tools and software (e.g.ETAP,Dialux,SmartPlant, AutoCADor equivalent).
• Strong coordination and communication skills with multidisciplinary teamsand other Teams.
• Ability to manage multiple tasksindependentlyunder tight schedules.
• Good problem-solving skills with attention to constructability and site practicality.
• Willing to perform occasional site visits.