[Remote] OT Systems Engineer
Note: The job is a remote job and is open to candidates in USA. ON.energy builds energy and AI infrastructure for grid-safe data centers and mission-critical facilities. The OT Systems Engineer will deploy, configure, and support operational technology networks for utility-scale Battery Energy Storage System projects, ensuring reliable communications across control systems and monitoring platforms. The role supports commissioning, troubleshooting, site bring-up, documentation, and system handover, with up to 50% travel to project sites.
Responsibilities
- Deploy and configure OT network infrastructure for BESS projects, including switches, routers, firewalls, cellular devices, and site communications equipment
- Support commissioning activities by ensuring reliable connectivity between EMS, PCS, BMS, protection relays, meters, and SCADA systems
- Configure network segmentation, VLANs, routing, and secure remote access appropriate for OT environments
- Troubleshoot network and communication issues during commissioning and early operations
- Work closely with Deployment Engineers, Controls Engineers, EMS teams, and Field Commissioning teams to resolve system integration issues
- Support site bring-up, factory acceptance testing (FAT), site acceptance testing (SAT), and handover to service teams
- Document site network architectures, configurations, and as-built drawings
- Contribute to the development of standardized network designs, templates, and deployment procedures
- Support remote monitoring, data acquisition, and secure connectivity to central monitoring platforms
- Travel to project sites as required during deployment and commissioning phases
Skills
- Experience deploying OT or industrial networks in the field (power, renewables, utilities, manufacturing, oil & gas, or similar)
- Strong understanding of TCP/IP networking fundamentals in operational environments
- Hands-on experience with industrial networking equipment (switches, routers, firewalls)
- Familiarity with SCADA, PLCs, HMIs, EMS, or industrial control systems
- Ability to troubleshoot across network, software, and controls boundaries
- Comfortable working in commissioning environments with incomplete information and time pressure
- Willingness to travel to project sites during deployment phases
- Experience with utility-scale BESS, solar, wind, or substation environments
- Experience with cellular networking, VPNs, and secure remote access for OT systems
- Familiarity with IEC 61850, Modbus, DNP3, or similar protocols (high-level understanding)
- Experience supporting commissioning teams in the field
- Background bridging IT networking concepts into OT environments
Benefits
- Remote work with up to 50% required travel to project sites
- For US-based roles: Competitive salary + annual performance-based bonus eligibility
- For US-based roles: Medical, dental, and vision insurance
- For US-based roles: 401(k) with company match
- For US-based roles: Paid time off and company holidays
- For Mexico-based roles: Competitive salary + annual performance bonus eligibility
- For Mexico-based roles: Christmas Bonus (Aguinaldo): 30 days
- For Mexico-based roles: Major medical expenses and life insurance
- For Mexico-based roles: Paid time off and holidays (per local policy)
- Professional development and growth opportunities
- Opportunity to grow with a mission-driven team shaping the future of clean energy
Company Overview
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