Senior PLC Engineer

Alloy Enterprises; Singapore; On-site; SGD 120,000 - 180,000; Full time

Benefits offered by this job

Competitive salary

Comprehensive benefits package

On the job training

Global exposure

Job summary

Johnson Controls is seeking a Senior PLC Engineer to design, develop and support industrial automation systems based on B&R platforms. You will lead projects, write machine control software, integrate HMIs/SCADA, and mentor junior engineers across global sites.

Responsibilities include FAT/SAT, system integration with standard protocols, and providing technical leadership during commissioning. A strong background in B&R tools and IEC 61131-3 is required.

Qualifications

• Bachelor's degree in Electrical/Mechatronics/Automation or Industrial Engineering.
• 7+ years of industrial automation experience.
• 5+ years with B&R or other PLC products.
• Proven experience in machine automation and building management system apps.
• Willingness to travel internationally for commissioning and support.

Responsibilities

• Design, develop, program, commission, and support automation systems based on B&R platforms.
• Lead automation projects and provide technical leadership to engineers or SIs.
• Develop machine control software, IO configurations, and safety functions.
• Develop HMI/SCADA interfaces using Metasys CIM/Pcvue.
• Perform FAT/SAT tests and support commissioning globally.
• Mentor junior automation engineers and establish coding standards.
• Troubleshoot control systems and provide remote/onsite support.

Skills

Problem solving

Leadership

Independent work

Cross-functional collaboration

Analytical thinking

Customer-facing communication

Education

Bachelor's degree in Electrical/Mechatronics/Automation/Industrial Engineering

Tools

B&R Automation Studio

B&R PLC Programming

Structured Text

Ladder Diagram

Function Block Diagram

Safety PLC Programming

IEC 61131-3

OPC UA

SQL Databases

C/C++ (preferred)

Version Control (Git, SVN)

Job description

Who we are

Build your best future with the Johnson Controls team.

As a global leader in smart, healthy and sustainable buildings, our mission is to reimagine the performance of buildings to serve people, places and the planet. Join a winning team that enables you to build your best future! Our teams are uniquely positioned to support a multitude of industries across the globe. You will have the opportunity to develop yourself through meaningful work projects and learning opportunities. We strive to provide our employees with an experience, focused on supporting their physical, financial, and emotional wellbeing. Become a member of the Johnson Controls family and thrive in an empowering company culture where your voice and ideas will be heard – your next great opportunity is just a few clicks away!

What you will do:
The Senior PLC Engineer is responsible for the design, development, programming, commissioning, and support of industrial automation systems based on B&R Automation platforms. The role involves leading automation projects, developing machine control software, integrating motion control and Metasys CIM systems, troubleshooting complex technical issues, and providing technical leadership to engineers or SI.

How you will do it:

Automation System Development

• Design and develop PLC software using B&R Automation Studio.

• Develop machine control logic, sequences, and safety functions.

• Configure and program B&R PLCs, HMIs, industrial PCs, and I/O systems.

• Develop and maintain reusable software libraries and standards.

• Create software architecture for complex automation systems..

HMI & SCADA Development

• Design and develop operator interfaces using Metasys CIM/Pcvue.

• Integrate PLC systems with SCADA, EMS, and Manufacturing Intelligence platforms.

• Develop alarm management, diagnostics, and data logging functions.

System Integration

• Integrate industrial communication protocols including:

  • Ethernet/IP

  • Modbus TCP

  • OPC UA

• Interface with third-party equipment and field devices.

Project Execution

• Participate in technical discussions with customers and stakeholders.

• Review functional specifications and develop software design documents.

• Conduct Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT).

• Support machine commissioning and startup activities globally.

• Ensure project delivery within schedule and quality standards.

Technical Leadership

• Mentor junior automation engineers.

• Review software code and engineering deliverables.

• Establish engineering best practices and coding standards.

• Provide technical guidance during troubleshooting and project execution.

Troubleshooting & Support

• Diagnose and resolve control system issues.

• Support production plants and customer sites.

• Perform root cause analysis and implement corrective actions.

• Provide remote and onsite technical support

B&R Expertise

• B&R Automation Studio

• B&R PLC Programming

• Structured Text (ST)

• Ladder Diagram (LD)

• Function Block Diagram (FBD)

• Safety PLC Programming

Programming & IT

• IEC 61131-3 Programming Standards

• OPC UA

• SQL Databases

• C/C++ knowledge (preferred)

• Version Control Systems (Git, SVN)

What we look for:

• Bachelor's Degree in Electrical Engineering / Mechatronics Engineering / Automation Engineering or Industrial Engineering

• 7+ years of industrial automation experience.

• 5+ years of hands-on experience with B&R or other PLC products.

• Proven experience in machine automation and building management system applications.

• Strong problem-solving skills.

• Project leadership capability.

• Customer-facing communication skills.

• Ability to work independently.

• Cross-functional collaboration.

• Analytical and troubleshooting mindset.

• Willingness to travel internationally for commissioning and 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

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