OT Systems Engineer
ON.energy· Energy Storage· Jul 23, 2026 · 3mo agoPosted 96 days ago
Atlanta · Houston, Texas, United States · Miami, Florida, United States · Tysons
In office
Full-time
Mid
$115K–$166K est.
Before you apply
Ghost Signal:
Open since July 23, 2026 — 96 days, and still accepting applications.
Job description
ON.energy is setting the standard for large load interconnection. ON’s patented AI UPS™ is a medium-voltage UPS that serves as a firewall, protecting the data center from the grid, and the grid from the data center. With multiple gigawatts currently under construction, we are enabling grid-safe data centers. Location: Remote with up to 50% required travel to project sites
Role Summary
The OT Systems Engineer is responsible for deploying, configuring, and supporting operational technology (OT) networks for utility-scale Battery Energy Storage System (BESS) projects. This role is critical to successful commissioning and system handover, ensuring reliable communications between control systems, EMS, PCS, BMS, SCADA, and remote monitoring platforms.
This is a field-facing, deployment-oriented role focused on bringing new projects online.
Key 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
Required Experience & 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
Preferred Experience
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
What Success Looks Like (6–12 Months)
New BESS sites are brought online with stable, secure network connectivity
Commissioning timelines are supported, not delayed, by network readiness
Network issues are resolved quickly and collaboratively during deployment
Site documentation and standards improve over time
Field and commissioning teams trust this role as a reliable partner
#LI-JW1
For US-based roles - What you’ll get:
Competitive salary + annual performance-based bonus eligibility
Medical, dental, and vision insurance
401(k) with company match
Paid time off and company holidays
For Mexico-based roles - What you’ll get:
Competitive salary + annual performance bonus eligibility
Christmas Bonus (Aguinaldo): 30 days
Major medical expenses and life insurance
Paid time off and holidays (per local policy)
For all roles:
Professional development and growth opportunities
Opportunity to grow with a mission-driven team shaping the future of clean energy
Equal Opportunity: ON.energy is committed to equal employment opportunity and to maintaining a work environment free of harassment, discrimination, or retaliation.
Benefits vary by role and location and are subject to change.
Agency Notice: ON.energy does not accept unsolicited resumes from staffing agencies, search firms, or third-party recruiters. Resumes submitted without a fully executed Master Services Agreement (MSA) and a written request from an authorized member of our Talent Acquisition team will be considered the property of ON.energy. No placement fees or compensation will be paid for unsolicited candidate submissions.
Application prep
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Keywords to mirror
ai
- Platform
- greenhouse
- Effort
- quick
Benefits
Benefits detected in the listing.
Dental
Vision
401(K)
Paid Time Off
Professional Development