IIOT Engineer

Location: Chachoengsao Province, Thailand

Time Type: Full time

Job Description

Main Responsibilities

• Design, deploy, and maintain IIOT connectivity from PLC, HMI, SCADA, sensors, utilities, and production equipment to historian, database, dashboard, and enterprise platforms.
• Develop and maintain industrial data pipelines using appropriate protocols such as OPC UA, MQTT, Modbus TCP, Profinet, Ethernet/IP, SQL, API, or edge gateway solutions.
• Support factory digitalization projects including OEE, energy monitoring, utility monitoring, alarm analytics, predictive maintenance, quality trending, and production performance dashboards.
• Ensure data reliability, data quality, tag naming consistency, time synchronization, backup, change control, and documentation for all connected assets and digital solutions.
• Design and maintain OT network architecture with proper segmentation between machine network, factory network, and enterprise/cloud connectivity in alignment with Unilever IT/OT requirements.
• Support OT cybersecurity activities including asset inventory, access control, vulnerability remediation, patch coordination, secure backup, recovery testing, and compliance evidence preparation.
• Troubleshoot PLC communication, network connectivity, data collection, historian, dashboard, and integration issues to minimize production impact.
• Collaborate with Engineering, Production, Quality, Safety, IT, Cybersecurity, Global Digital teams, vendors, and contractors to align requirements, implementation, testing, and handover.
• Create and maintain technical standards, URS, functional specifications, network diagrams, FAT/SAT protocols, user manuals, training materials, and handover documents.
• Identify improvement opportunities and translate operational pain points into practical digital use cases with measurable business benefit.

Skill & Qualifications

• Strong knowledge of industrial automation, PLC/SCADA architecture, industrial networks, and manufacturing data systems.
• Hands-on experience with data acquisition, historian, SQL database, dashboard development, and data visualization tools such as Power BI.
• Understanding of OT cybersecurity fundamentals, network segmentation, asset hardening, backup and recovery, and access management.
• Ability to read and create network diagrams, control system architecture, I/O lists, tag lists, data mapping, and technical specifications.
• Good analytical thinking and troubleshooting skills for communication, data integrity, and system availability issues.
• Project coordination capability with clear follow-up on scope, schedule, budget, risk, documentation, and vendor deliverables.
• Good command of both written and spoken English, with ability to communicate technical topics clearly to non-technical stakeholders.
• Proficiency in Microsoft Office; Power BI, SQL, Python, KQL, Azure IoT, ADX, or similar tools are an advantage.

Leadership

• UL Standards of Leadership
• Digital transformation mindset
• Change management and stakeholder management
• Communicating with impact
• Bias for action, problem solving, and continuous improvement

Education & Experience

• Bachelor’s degree in Electrical, Automation, Control, Mechatronics, Computer, Information Technology, or related Engineering field.
• 3-5 years of experience in automation, manufacturing IT, IIOT, control systems, industrial networking, or digital manufacturing projects.
• Experience in FMCG manufacturing, TPM, Lean, Six Sigma, or continuous improvement methodology is preferred.
• Experience with PLC/SCADA systems, historian/database integration, dashboard deployment, and OT cybersecurity activities is preferred.
• Experience working with vendors, contractors, and cross-functional teams through FAT, SAT, commissioning, training, and handover is an advantage.

Unilever is an organisation committed to equity, inclusion and diversity to drive our business results and create a better future, every day, for our diverse employees, global consumers, partners, and communities. We believe a diverse workforce allows us to match our growth ambitions and drive inclusion across the business. At Unilever we are interested in every individual bringing their ‘Whole Self’ to work and this includes you! Thus if you require any support or access requirements, we encourage you to advise us at the time of your application so that we can support you through your recruitment journey.