Job Title: Web-Based Graphical Interface Engineer About PAC Group: At The PAC Group (PAC), we specialize in engineering consulting, program management, and operational excellence—delivering high-impact solutions in more than 20 countries. We’re proud to partner with the world’s leading companies in automotive, aerospace, industrial, and technology sectors, providing strategic guidance and hands-on execution that drive innovation and efficiency. Whether we’re launching advanced manufacturing systems, deploying digital simulation tools, or scaling global operations, PAC thrives at the intersection of technology, engineering, and problem-solving. Joining PAC means joining a dynamic, fast-paced, and global team that values curiosity, collaboration, and continuous improvement. Role Purpose: We are seeking an experienced Web-Based Graphical Interface Engineer to join our Building Automation & Energy Technologies team. The ideal candidate will have strong expertise in designing and deploying graphical user interfaces within the DGLUX / ENVYSION Distech Controls platform, alongside deep knowledge of open communication protocols used within smart building and energy management systems. Key Responsibilities: Design, develop, and maintain web-based graphical user interfaces within the DGLUX / ENVYSION (Distech Controls) environment. Build intuitive and responsive UI components for HVAC, lighting, energy systems, and IoT platforms. • Develop and integrate automation strategies using industry-standard open protocols, including BACnet, Modbus, MQTT, and RESTful APIs. Translate engineering designs and functional requirements into accurate, real-time graphical dashboards and control pages. Work closely with project engineers, BMS programmers, and data analysts to ensure seamless platform integration and user experience. Optimise system performance by troubleshooting communication issues and validating data flow across protocols. Ensure graphical standards, templates, and workflows are documented and scalable across multiple projects. • Support commissioning teams during testing, validation, and final delivery. (Desirable) Integrate dashboards and data flows with energy analytics platforms such as SkySpark. Required Qualifications: Proven experience with Niagara/N4. Proven experience creating GUIs within the DGLUX or ENVYSION platform (Distech Controls). Strong understanding of building automation, IoT, or energy management systems. Strong understanding of building automation protocols (BACnet/IP, Modbus TCP/RTU, MQTT). Ability to interpret BMS schematics, control strategies, and point lists. Proficiency in HTML5, CSS, JavaScript, and responsive interface principles. Experience integrating real-time data systems into web-based interfaces. Excellent problem-solving skills with the ability to diagnose system communication or data issues. Solid understanding of IP networking, VLANs, addressing schemas, firewalls, and secure system architecture Experience with databases, JSON structures, or cloud-based integration workflows Preferred Qualifications: Proficiency with Distech Controls technologies supervisory devices, and EC-Net environments. Experience working with SkySpark, including data ingestion, tag modelling, and rule deployment. Knowledge of energy modelling or fault detection diagnostics (FDD). Familiarity with IoT or edge-computing environments. Knowledge of cybersecurity frameworks for operational technology (OT) systems.