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Software Engineer - PLC (Senior)

Ecsal Technologies Pte. Ltd.

D20 Ang Mo Kio, BishanPermanentS$4,000 – S$6,000/mo

Posted 7 Jul 2026

About this role

Responsibilities: Follow the Software Development Life Cycle (SDLC) to develop a high quality and maintainable software that meets user’s requirement. Drafting of functional and detailed design specifications Based on client requirements, interpret and identify design parameters, ensure solutions are implemented accurately and within budget to meet project requirements and schedules Participate in control system requirement analysis Design, create detailed electrical schematics drawings and updating. Source and select Electrical Components, Preparation, and Issue of BOM Software Programming (PLC and HMI), System Implementation, Testing, Debugging. Maintain detailed documentation Coordinate with relevant department to meet customer requirement and keep to project schedules Perform basic electrical wiring and troubleshooting Analyze existing software and identify areas for modification and improvement Keep to project schedules and resolve software and electrical issues in a timely manner Support Remote and On-site troubleshooting at customer’s sites Requirement: Diploma / Degree in relevant Engineering discipline. Minimum 2 years of relevant experience in the automation/semiconductor industry. Candidates will be offered a senior position based on qualification and/or experience. Strong programming skills in PLC and HMI. Preferably Omron and Mitsubishi PLC, Proface HM Strong troubleshooting and analytical skills Able to read, design and troubleshoot from electrical schematics Good command of written and spoken English Highly motivated, driven by excellence and having an eye for details. Able to work under tight schedules Able to work after office hours when required Able to go on business trip within short notice when it is required Added Advantage - Programming skills in Motion Control, Analog, PIDs, Process Control. Knowledge of high-end fieldbus communication (eg. Modbus, EtherCAT, EIP) Job Specializations: · Engineering – Automation and Control Engineer / PLC Programmer.

What they're looking for

System ImplementationTroubleshootingDevelopmentAnalytical Thinking

About Ecsal Technologies Pte. Ltd.

Industry: ManufacturingWebsite ↗

Frequently asked questions

What does a Software Engineer - PLC (Senior) at Ecsal Technologies Pte. Ltd. do?

Responsibilities: Follow the Software Development Life Cycle (SDLC) to develop a high quality and maintainable software that meets user’s requirement. Drafting of functional and detailed design specifications Based on client requirements, interpret and identify design parameters, ensure solutions ar…

What skills does this Software Engineer - PLC (Senior) role need?

Key skills for this role include System Implementation, Troubleshooting, Development, Analytical Thinking.

How much does a Software Engineer - PLC (Senior) at Ecsal Technologies Pte. Ltd. pay?

This role lists a salary of S$4,000 – S$6,000 per month.

Is this Software Engineer - PLC (Senior) role remote, hybrid, or on-site?

The listing is based in D20 Ang Mo Kio, Bishan. Check the posting for remote or hybrid options.

How do I apply for this Software Engineer - PLC (Senior) role?

You can apply directly on Ecsal Technologies Pte. Ltd.'s careers page. ApplyLah can tailor your résumé and cover letter to this exact role in seconds first.