Electrical Engineer

IAQ ENGINEERING (SG) PTE. LTD.; Singapore; On-site; SGD 80,000 - 110,000; Full time

Job summary

IAQ ENGINEERING (SG) PTE. LTD. seeks an Electrical Engineer to design, engineer and execute electrical systems for semiconductor and cleanroom facilities in Singapore.

You will cover the full project lifecycle from tender support through commissioning, coordinating with mechanical, process and cleanroom teams. The role involves LV distribution design, equipment selection, lighting, grounding, and interface with control systems such as BMS and PLC.

Responsibilities

• Design and review electrical systems for cleanroom and semiconductor facilities.
• Develop electrical design concepts based on project requirements and standards.
• Perform electrical load calculations and sizing.
• Prepare and review SLDs, load, cable, panel, distribution board, and equipment schedules.
• Coordinate electrical with mechanical, process and cleanroom systems.
• Design LV distribution, transformer, switchgear, MCCs and protection devices.
• Review voltage drop, short-circuit and protection requirements.
• Coordinate new electrical connections to existing facility systems.
• Coordinate control interfaces with BMS/BAS/PLC/SCADA and related systems.

Job description

Position Summary

The Electrical Engineer will be responsible for the design, engineering, coordination and execution of electrical systems for semiconductor, cleanroom, industrial and advanced manufacturing facilities.

The role will cover the full project lifecycle, including tender support, concept design, detailed engineering, equipment selection, procurement, installation, testing and commissioning.

The Engineer will be expected to support both facility electrical infrastructure and project-specific electrical systems, including power distribution, control power, equipment power supply, lighting, grounding, ELV interfaces and integration with mechanical and process systems.

Key Responsibilities

A. Electrical Design & Engineering

• Design and review electrical systems for cleanroom, semiconductor, industrial and facility projects.
• Develop electrical design concepts based on project requirements, equipment loads and applicable standards.
• Perform electrical load calculations and system sizing.
• Prepare and review:
  • Single Line Diagrams (SLD)
  • Electrical load schedules
  • Cable schedules
  • Panel schedules
  • Distribution board schedules
  • Equipment power requirements
  • Cable routing layouts
  • Electrical room layouts
  • Lighting layouts
  • Earthing and bonding layouts
• Coordinate electrical requirements with mechanical, process and cleanroom systems.

B. Power Distribution Systems

• Design and review LV electrical distribution systems.
• Determine electrical loads and power requirements for project equipment.
• Size and select:
  • Transformers
  • Switchboards
  • Distribution Boards
  • MCCs
  • Isolators
  • Circuit Breakers
  • Cables
  • Busducts
  • Protection Devices
• Review voltage drop, short-circuit and protection requirements.
• Coordinate new electrical connections to existing facility systems.
• Assess available electrical capacity and interface requirements where applicable.

C. Equipment Power Integration

• Develop and review electrical requirements for:
  • AHU / MAU / RCU
  • FFU systems
  • Exhaust fans
  • Pumps
  • Scrubbers
  • Process equipment
  • Utility skids
  • Cleanroom equipment
  • Control panels
  • Instrumentation systems
• Coordinate equipment voltage, phase, frequency, power rating and starting requirements.
• Review motor starting methods, including DOL, Star-Delta, Soft Starter and VFD where applicable.
• Coordinate equipment interlocks and control interfaces.

D. Cleanroom & Semiconductor Electrical Systems

• Support electrical systems associated with cleanroom and semiconductor facilities, including:
  • Cleanroom equipment power distribution
  • FFU power distributionEquipment utility power
  • Process tool power interfaces
  • Electrical distribution within cleanroom areas
  • Emergency power requirements
  • UPS-supported equipment where applicable
  • Equipment grounding and bonding
  • Electrical penetrations and containment coordination
  • Integration with cleanroom ceiling and service systems.

E. Lighting & Small Power

• Design and review lighting systems for cleanroom, office, utility and industrial spaces.
• Perform lighting level calculations where required.
• Select suitable lighting fixtures based on environmental and cleanroom requirements.
• Design emergency lighting and exit lighting systems.
• Review socket outlets and small power distribution requirements.

F. Earthing, Bonding & Lightning Protection

• Design and review earthing and bonding requirements.
• Coordinate equipment grounding for mechanical, process and electrical equipment.
• Review cleanroom and process equipment grounding requirements where applicable.
• Support lightning protection system coordination where required.

G. Control, BMS & ELV Interface

• Coordinate electrical interfaces with:
  • BMS / BAS
  • PLC systems
  • SCADA
  • Fire Alarm
  • Emergency Shutdown
  • Equipment Control Panels
  • Instrumentation systems
• Review control power requirements and interlocks.
• Support preparation and review of I/O requirements.
• Review sequence of operation and control interfaces together with Mechanical, Process and Controls teams.
• PLC programming is not a core requirement unless specifically assigned, but the Engineer should understand basic control and electrical interface requirements.

H. Tender & Proposal Engineering

• Review RFPs, tender documents, specifications and drawings.
• Develop preliminary electrical design concepts.
• Prepare load estimates and equipment power requirements.
• Identify technical risks, assumptions, exclusions and scope gaps.
• Raise RFIs and technical clarifications.
• Prepare technical proposals and compliance submissions.
• Support cost estimation with equipment schedules, quantities and material take-offs.
• Participate in tender clarification meetings and client technical discussions.

I. Design Coordination

• Coordinate electrical design with:
  • Mechanical
  • ACMV
  • Process
  • Instrumentation & Control
  • Architectural
  • Structural
  • Fire Protection
  • Cleanroom systems
  • Facility utilities
• Responsibilities include:
  • Multidiscipli