Calvin Hua

Engineering Manager & Production Leader with over 20 years of global experience in project management, plant operations optimization, and procurement strategy development. Proven expertise in factory automation, electrical diagnostics, and marine/offshore systems, successfully delivering projects valued at up to €25M. Skilled in EPCC operations, renewable energy initiatives (solar PV, EV charging, battery storage), and compliance with ISO, IEC, and EMA standards.

Recognized for fostering sustainable innovations, cost-effective solutions, and cross-functional team leadership that drive operational efficiency and business growth.

Assistant Engineering Manager at Megawatts Engineering Services (2023-03 – Present)

• Directed multi-disciplinary teams across EPCC, marine, offshore, solar, and EV charging projects.
• Planned, coordinated, and executed pre-commissioning and commissioning activities for overseas projects, ensuring seamless handover and operational readiness.
• Delivered PV, BESS, and EV charging projects in compliance with SCDF, BCA and EMA regulations.
• Led installation, commissioning, and maintenance of rotating machinery and industrial systems, ensuring operational efficiency and reliability.

Assistant Production Manager at Mauser (S) Pte Ltd (2021-01 – 2023-03)

• Managed 30+ improvement projects, reducing scrap by 15% and increasing efficiency by 25% through automation and process optimization.
• Implemented Lean Manufacturing practices, improving overall Equipment Effectiveness (OEE) and reducing downtime across multiple production lines.
• Directed production operations and maintenance, ensuring smooth plant performance and regulatory compliance, and adherence to ISO/IEC standards.
• Led daily KPI review meetings, driving improvements in safety, quality, asset care, and productivity through structured short- and long-term action plans.
• Designed and executed preventive maintenance schedules, achieving measurable gains in equipment reliability and uptime.
• Delivered hands-on technical support in PLC logic, electrical diagnostics, and mechanical servicing, ensuring reliable operation of production machinery and utilities.
• Oversaw CAPEX projects to align investments with operational needs, contributing to long-term cost savings.
• Trained and developed production personnel to enhance team capability and reinforce safety culture.

Senior Software Engineer at Meiden (S) Pte Ltd (2018-03 – 2020-12)

• Supported integration of automation solutions, enhancing reliability and reducing downtime in client operations.
• Conducted FAT, SAT, and commissioning for electrical and automation systems, achieving seamless handover and operational readiness.
• Collaborated with cross-functional teams and vendors to streamline project execution.
• Coordinated project management activities to ensure timely delivery aligned with client requirements.

Sales & Application Engineer at Scigate Automation (S) Pte Ltd (2017-02 – 2017-12)

• Managed sales leads to enhance client engagement and conversion rates.
• Collaborated on resolution of sales, technical, and product-related issues to support client satisfaction.
• Coordinated sales calls to align client needs with product solutions.

Automation Engineer at CMR (Far East) Pte Ltd (2011-09 – 2016-12)

• Developed and debugged PLC programs prior to FAT, ensuring seamless system integration and reducing commissioning delays.
• Performed troubleshooting of Schneider and ABB air circuit breakers and switchboards, including electrical/network diagnostics and code debugging during FAT.
• Coordinated FAT and site commissioning activities while preparing approval documents, securing client acceptance.
• Streamlined purchase requests and vendor coordination, enhancing procurement efficiency and maintaining cost control.

Electrical Engineer at Jardine Engineering Pte Ltd (2010-04 – 2011-09)

• Coordinated cross-functional teams to resolve electrical issues, driving improvements in system performance and maintaining operational continuity.
• Oversaw facilities management, implementing preventive maintenance (PM) and corrective measures (CM) that improved equipment reliability and reduced downtime.
• Supervised site supervisors, technicians, and contractors, leading a team of 20+ members to ensure safe project execution and efficient compliance with industry standards.
• Prepared technical documentation for operations, troubleshooting, and maintenance, ensuring clarity and compliance with client and regulatory standards to support operational excellence.

Electrical Engineer at Cummins Power Generation Ltd (2006-11 – 2009-12)

• Led commissioning activities (FAT/SAT) for medium- and high-voltage generator systems, ensuring compliance with IEC/IEEE standards.
• Collaborated with mechanical, automation, and civil teams to deliver turnkey power generation projects on time and within budget.
• Supported commissioning and maintenance of substations and industrial power systems, improving reliability and reducing downtime.
• Led design and validation of generator control systems, ensuring compliance with UK/EU safety standards.
• Collaborated with cross-functional teams to integrate electrical subsystems into advanced power generation platforms.
• Integrated electrical subsystems (sensors, relays, protection circuits) into large-scale generator platforms, enhancing system safety and performance.

Electrical Engineer at Schneider Electric Ltd (2004-09 – 2006-10)

• Executed HV testing procedures across 415 V – 33 kV systems, including insulation resistance, dielectric withstand, and transformer winding resistance.
• Conducted secondary injection testing using Sverker 760/780, T&R 100/200ADM, and T&R DVS3 to verify relay functionality for G59/G99 compliance.
• Conduct Primary Injection Testing, CT & VT Testing, Secondary Injection Testing, Ductor Testing, and HV pressure testing.
• Perform secondary wiring insulation tests using Megger and 2kV equipment.
• Validate full scheme functionality of switchgear systems.
• Prepare and execute Factory Acceptance Tests (FAT) with customers, ensuring compliance with engineering drawings and technical standards.
• Performed under/over voltage, under/over frequency, and ROCOF/dF/dT protection checks on embedded generation systems.

Master of Science in Engineering – Leeds Metropolitan University (2004)

BEng (Hons) in Electrical & Electronics Engineering – Leeds Metropolitan University (2001)

HND in Electrical & Electronics Engineering – Nottingham Trent University (2000)