Senior PLC Engineer

JOHNSON CONTROLS (S) PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

JOHNSON CONTROLS (S) PTE. LTD. in Singapore seeks a Senior PLC Engineer to lead automation projects, design and develop software on B&R platforms, and support system integration with Metasys CIM and SCADA. You will troubleshoot complex issues and provide technical leadership across teams.

You will design PLC software in Automation Studio, write machine control logic, configure B&R devices, and develop reusable libraries. Travel for commissioning and on-site support will be required.

Qualifications

• Bachelor's degree in Electrical/Automation or related field.
• 7+ years in industrial automation engineering.
• 5+ years with B&R or equivalent PLC products.
• Strong machine automation and building management experience.
• Good problem-solving and customer-facing communication skills.
• Ability to lead projects and travel internationally for commissioning.

Responsibilities

• Design and develop PLC software using B&R Automation Studio.
• Create machine control logic, sequences and safety functions.
• Program B&R PLCs, HMIs, industrial PCs and I/O systems.
• Develop reusable software libraries and standards.
• Integrate PLC with SCADA, EMS, and Manufacturing Intelligence.
• Lead FAT/SAT activities and support commissioning worldwide.
• Mentor junior automation engineers and establish coding standards.
• Troubleshoot control systems and provide remote/onsite support.

Skills

Industrial automation

Problem solving

Project leadership

Customer-facing communication

Independent work

Cross-functional collaboration

Analytical mindset

Willingness to travel

Education

Bachelor's Degree in Electrical/Automation

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++

Git/SVN

Job description

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