Electrical & Instrumentation Engineer: PLCs & Controls

Alstern Technologies Singapore Pte Ltd; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

Alstern Technologies Singapore Pte Ltd is seeking an Electrical / Control Engineer with 3–5 years of relevant experience to design and review electrical, instrumentation, and control system drawings. You will develop single-line diagrams, control schematics, and panel layouts, perform load calculations, and coordinate with clients and vendors.

You will supervise installation, testing, commissioning, and handover of panels, PLCs, field instruments, and related systems, while ensuring safety and

Qualifications

• Diploma or Degree in Electrical Engineering, Control Engineering, Instrumentation Engineering or related discipline.
• 3-5 years of experience in electrical and control engineering within industrial, manufacturing, utilities, semiconductor, data centre, or building services environments.
• Strong knowledge of electrical power distribution, PLCs, HMI, SCADA, BMS, instrumentation, motor control, and industrial networks.
• Experience in electrical design, control panel systems, testing & commissioning, and troubleshooting.
• Good analytical, communication, coordination, and project management skills.
• Ability to work independently and manage multiple projects effectively.

Responsibilities

• Design, review, and prepare electrical, instrumentation, and control system drawings, calculations, specifications, and documentation.
• Develop single-line diagrams, control schematics, panel layouts, wiring diagrams, cable schedules, and PLC/BMS control designs.
• Perform electrical load calculations and equipment selection.
• Coordinate with clients, consultants, contractors, vendors, and internal teams during project execution.
• Review technical submissions, material specs, vendor drawings, and equipment datasheets for compliance.
• Supervise installation, testing, commissioning, and handover of electrical panels, PLCs, field instruments, motors, drives, and control systems.
• Conduct FAT, SAT, loop checks, functional testing, troubleshooting, and root cause analysis to ensure system reliability.
• Provide technical support for preventive maintenance, system upgrades, retrofits, and continuous improvement initiatives.
• Ensure compliance with regulations, electrical safety standards, and company quality systems.

Skills

Electrical engineering

Control engineering

Instrumentation engineering

Project management

Analytical skills

Communication

Independent work

Education

Diploma or Degree in Electrical Engineering, Control Engineering, Instrumentation Engineering

Tools

PLC

HMI

SCADA

BMS

Motor control / VFD

Industrial communication networks

Job description

Alstern Technologies Singapore Pte Ltd is seeking an Electrical / Control Engineer with 3–5 years of relevant experience to design and review electrical, instrumentation, and control system drawings. You will develop single-line diagrams, control schematics, and panel layouts, perform load calculations, and coordinate with clients and vendors.

You will supervise installation, testing, commissioning, and handover of panels, PLCs, field instruments, and related systems, while ensuring safety and