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Johnson Controls

HVAC equipment manufacturing · building automation and controls

Senior M&E/M&E Engineer (HVAC)

Singapore · OnsitePosted 2 months ago
Mechanical And Mechatronics EngineeringSeniorFull Time
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About the role

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Who we are

Johnson Controls, a global leader in thermal management, mission-critical building systems, energy efficiency, and decarbonization, helps customers use energy more productively, reduce carbon emissions, and operate with the precision and resilience required in rapidly expanding industries such as data centers, healthcare, pharmaceuticals, advanced manufacturing, and higher education.

For more than 140 years, Johnson Controls has delivered performance where it really matters. Backed by advanced technology, lifecycle services and an industry-leading field organization, we elevate customer performance, turn goals into real-world results and help move society forward.

What you will do:

As our Senior Electrical Engineer, you will be the technical owner for all the electrical aspecrs of HVAC systems in commercial and mission-critical buildings, you will also : Electrical Design & Engineering Lead the electrical design of HVAC systems for commercial buildings

Produce and/or technically review: Single ‑ Line Diagrams (SLD)

Schematic diagrams

Panel GA drawings

Wiring diagrams and termination schedules

Equipment electrical specifications

Power Distribution & Equipment Design Design and validate electrical systems for HVAC equipment, including:

Water ‑ cooled & air ‑ cooled chillers

AHUs, MAUs, FCUs, VAV systems

Chilled water pumps, condenser water pumps

Cooling towers system

Engineer and review:

Low ‑ voltage power distribution

MCCs and control panels

Motor starters (DOL, star ‑ delta, soft starter)

VFD sizing and coordination

  1. Mechanical (HVAC) Desig n Review the mechanical design and system selection for HVAC systems

R eview:

Cooling load calculations

Ductwork and piping layout design

Air distribution and ventilation strategies

Pressure drops and hydraulic calculations

Develop and validate:

HVAC system schematics and flow diagrams

Equipment layouts and plantroom design

Ensure optimal system selection based on:

Energy efficiency

Lifecycle cost

Redundancy and reliability requirements

5 . Controls, Integration & Coordination Define and review HVAC control philosophies and sequences of operation

Ensure proper integration between:

Mechanical systems

Electrical systems

BMS (Building Management System)

Coordinate with:

Architects

Structural engineers

Other MEP disciplines

Resolve interface issues across disciplines during design and executi on

6 . Codes, Standards & Authority Compliance Ensure full compliance with applicable standards, including:

IEC / IEEE (electrical)

ASHRAE / local mechanical codes (mechanical HVAC)

Prepare documentation for:

Authority submission and approval

Consultant technical reviews

Mitigate compliance risks early in design to avoid site rework or approval delays

7 . Project Execution & Commissioning Provide technical support during construction and installation

Review shop drawings and material submittals (M&E)

Ensure proper system handover documentation and closeout

What we look for

  • Bachelor’s degree in electrical engineering or equivalent.

  • 5 years of electrical engineering experience, with strong exposure to: HVAC systems in commercial buildings

  • Large‑scale MEP or building solutions projects

  • Power distribution systems for HVAC equipment

  • MCCs, VFDs, motor protection, and control wiring

  • HVAC electrical interfaces and sequence of operations

  • HVAC system design (chillers, airside, waterside)

  • HVAC control strategies and system optimization ​

  • Proficient in: AutoCAD

  • Electrical /Mechanical calculations and documentation

  • Familiar with commissioning processes and site support.

What we offer

  • Competitive salary

  • Paid vacation/holidays/sick time

  • Comprehensive benefits package

  • On the job/cross training opportunities

  • Encouraging and collaborative team environment

  • Dedication to safety through our Zero Harm policy

  • #LI-CK1 #LI-Onsite

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