Join Us in Shaping the Future of Sustainable Buildings and Energy Efficiency

AltoTech Global is seeking a Customer Service Coordinator to be the primary point of contact for building clients, ensuring service requests are recorded, delegated to the right teams, and resolved in a timely manner. This role is the bridge between customers and our technical teams—keeping everyone informed and operations running smoothly.

We are seeking a Customer Support specialist to join AltoTech Global in Bangkok. This role provides technical support for our AIoT platform via phone, email, chat, and on-site visits to customer locations. The ideal candidate has experience in IoT systems, electrical power, and building management, with strong Thai-English communication skills. Full-time position with flexible hours and travel to various customer sites across Bangkok and nearby provinces.

We are seeking a DevOps Engineer with strong Azure cloud infrastructure expertise to join our team. In this role, you will build and maintain the secure, scalable cloud and edge infrastructure powering our IoT deployments, and ensure our connected devices and platforms operate reliably and securely.

Drive the development of cutting-edge web applications for AltoTech's AI-powered IoT platform, spanning real-time dashboards, data visualization interfaces, and control systems for smart buildings. You will architect responsive user experiences, build scalable APIs, and create intuitive interfaces that empower facility managers to optimize energy consumption and reduce carbon emissions through our CERO platform.

AltoTech Global is seeking a hands-on Mechanical Engineer with strong HVAC expertise—especially installation and testing & commissioning (T&C)— to ensure large building systems are installed, started, tuned, and performing to spec. The role requires solid mechanical fundamentals and a basic understanding of building control systems (BMS/BAS) for point checks, sequence verification, and trending.

AltoTech Global is looking for a Senior HVAC Controls & Optimization Engineer to design, develop, and deploy advanced control strategies for HVAC systems in commercial buildings across Thailand and Southeast Asia. You will work on air-handling units (AHUs), outdoor-air units (OAUs), fan-coil units (FCUs), and variable-air-volume (VAV) systems — where comfort, ventilation, indoor air quality, and energy efficiency come together.

We're seeking an ambitious Senior Sales Lead to drive our enterprise growth strategy and build a high-performing sales team. This is a pivotal role for someone who thrives on complex B2B sales, wants to make a tangible impact on climate change, and is ready to shape the future of sustainable building technology in Southeast Asia.

Design and develop advanced Multi-agent IoT infrastructure for our smart building solutions. Based in Bangkok, you will leverage your deep proficiency in Python to create scalable, high-performance software that powers distributed IoT systems. Collaborating with our engineering and product teams, you’ll build real-time, resilient platforms that drive energy efficiency and operational excellence for clients in hospitality and commercial real estate.