Industrial IoT-OT Field Engineer

Here is a cleaned, professionally formatted version of the job description.About InfarsightInfarsight partners with global enterprises to accelerate scale through AI-driven automation and product innovation. Our flagship platforms—Task Sight, Trip Sight, and Fleet Sight—streamline complex workflows across HR, Finance, and Supply Chain, converting operational data into actionable, real-time intelligence.Role OverviewRole: Industrial IoT/OT Field EngineerCompany: InfarsightLocation: Santiago, Dominican RepublicType: Full-TimeWe are seeking a hands-on, self-driven Industrial IoT/OT Field Engineer to lead on-site deployment and integration in live customer environments in Santiago, Dominican Republic.In this role, you will bridge the gap between operational technology (OT) and enterprise IT. You will serve as the primary technical point of contact during Phase-1 execution at our client facility (Arena/La Aurora Group), leading PLC/controller commissioning, network coordination, and OT cybersecurity enforcement while empowering local teams through training and knowledge transfer.Key ResponsibilitiesField Integration & Commissioning: Commission and troubleshoot industrial protocol networks (Modbus RTU/TCP, BACnet/IP, RS-485, Industrial Ethernet) across multi-vendor equipment, including HVAC/chillers, generator controllers, and compressor controls.On-Site Technical Ownership: Function as the sole technical lead in customer environments. Resolve complex field challenges independently by coordinating directly with OEM engineers, internal IT admins, and plant maintenance leads.IT/OT Network Coordination: Navigate customer network segmentation standards—configuring static IPs, VLANs, DNS/NTP, and secure remote access (VPN/MFA) in alignment with IT policies.OT Cybersecurity: Implement and maintain industrial connectivity solutions following strict OT cybersecurity protocols, zero-trust access, and secure data transmission practices.Stakeholder Communication: Translate technical field realities into clear, actionable updates for cross-functional partners ranging from plant technicians and IT teams to executive leadership.Enablement & Training: Train and mentor client maintenance staff and IT generalists to build long-term operational self-sufficiency.Required Qualifications & ExperienceIndustrial IoT/OT Expertise: Demonstrated hands-on field experience with industrial communications (Modbus, BACnet, RS-485, Ethernet) and multi-OEM controller integration.Networking & Security Literacy: Solid working knowledge of IT/OT network architectures (VLANs, firewalls, routing) and OT security practices (secure remote access, segmentation, VPNs).Problem-Solving & Autonomy: Proven track record of resolving ambiguous technical issues on-site without heavy reliance on escalation channels.Language Proficiency:Fluent in Spanish (for daily on-site collaboration with local operational teams).Professional working proficiency in English (for reporting to Infarsight and partner leadership).Location & Mobility: Based in or willing to relocate to Santiago, Dominican Republic. Full availability for daily on-site presence at Arena during Phase 1, with flexibility to visit additional facility locations as the project scales.Preferred Qualifications (Nice-to-Have)Experience conducting structured training, technical workshops, or mentorship for plant technicians and general IT personnel.