Industrial IoT/OT Field Engineer
Company: Infarsight Location: Santiago, Dominican Republic Type: Full-Time
About Infarsight
Infarsight 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, transforming operational data into actionable, real-time intelligence.
Role Overview
We 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, serving as the primary technical point of contact during Phase-1 execution at our client facility (Arena/La Aurora Group). You will lead PLC/controller commissioning, network coordination, and OT cybersecurity enforcement while empowering local teams through training and knowledge transfer.
Key Responsibilities
Field 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: Act as the single technical lead in customer environments. Independently resolve complex field challenges by coordinating with OEM engineers, internal IT admins, and plant maintenance leads.
IT/OT Network Coordination: Configure static IPs, VLANs, DNS/NTP, and secure remote access (VPN/MFA) in alignment with customer 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 realities into clear, actionable updates for plant technicians, IT teams, and executive leadership.
Enablement & Training: Train and mentor client maintenance staff and IT generalists to build long-term operational self-sufficiency.
Required Qualifications & Experience
Industrial IoT/OT Expertise: Hands-on field experience with industrial communications (Modbus, BACnet, RS-485, Ethernet) and multi-OEM controller integration.
Networking & Security Literacy: Strong knowledge of IT/OT network architectures (VLANs, firewalls, routing) and OT security practices (secure remote access, segmentation, VPNs).
Problem-Solving & Autonomy: Proven ability to resolve complex technical issues on-site without heavy reliance on escalation channels.
Language Proficiency:
Fluent in Spanish (for daily 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.
Nice-to-Have
Experience conducting structured training, technical workshops, or mentorship for plant technicians and IT personnel.
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