---
title: 'Field Service Technician II - BESS at ON.energy'
canonical: 'https://feeny.ai/job/field-service-technician-ii-bess-on-energy-amarillo-texas-dmfq2fj8scc6'
type: 'job'
last_seen: '2026-09-14'
---

# Field Service Technician II - BESS at ON.energy

- **Company:** ON.energy
- **Location:** Amarillo Texas, United States
- **Posted:** 2026-07-08
- **Last confirmed live:** 2026-09-14
- **Apply:** https://job-boards.greenhouse.io/onenergy/jobs/4304224009

## Job description

ON.energy is building the backbone of energy and AI infrastructure powering grid-safe data centers and mission-critical facilities. The company supplies and operates hyperscale power systems that solve the toughest resilience challenges, delivering custom solutions for AI data centers, mission-critical facilities, and front-of-the-meter assets. ON recently announced a 5GW partnership, with 3GW currently under construction across multiple hyperscale data center campuses. With patented technology and proprietary software, ON.energy develops projects worldwide that set new benchmarks for resilience.

Location: Amarillo, TX

Compensation: Salary, annual incentive bonus

## KEY RESPONSIBILITIES

Preventative Maintenance

- Execute scheduled preventative maintenance (PM) tasks on ON.energy BESS equipment, inverters, and associated electrical infrastructure in accordance with OEM requirements and site-specific maintenance plans.
- Perform routine inspections, functional testing, and condition monitoring to identify potential issues before they result in equipment failure or unplanned downtime.
- Maintain accurate PM records and equipment histories within the CMMS, ensuring all work orders are opened, updated, and closed in real time.
- Adhere to PM scheduling windows and notify the O&M Manager promptly of any deferred work, observed anomalies, or required escalations.

Reactive Maintenance & Troubleshooting

- Respond to equipment alarms, faults, and unplanned failures in a timely manner, performing systematic diagnosis and root cause identification.
- Execute testing procedures including insulation resistance, continuity, and functional testing to isolate faults and confirm equipment readiness post-repair.
- Perform component-level repair and replacement on inverters, battery modules, switchgear, and associated balance-of-plant equipment.
- Document all corrective maintenance activities, findings, and parts used within the CMMS and report outcomes to the O&M Manager.

On-Call & After-Hours Response

- Participate in a rotating on-call schedule, maintaining availability to respond to site alarms and equipment issues outside of standard business hours, including evenings and weekends.
- Respond to on-call callouts within the required response time and take appropriate action to restore equipment to safe and operational status.
- Communicate clearly with the O&M Manager during after-hours events, providing timely status updates and escalating where required.

CMMS & Data Integrity

- Create, update, and close work orders within the CMMS for all preventative and corrective maintenance activities in accordance with site data entry standards.
- Ensure equipment histories, parts consumption, and labor records are accurately captured to support asset lifecycle management and reporting.
- Follow CMMS workflows and procedures as directed by the O&M Manager; contribute to continuous improvement of maintenance records and documentation quality.

Safety & Compliance

- Adhere to all site safety protocols, OSHA standards, NFPA 70E electrical safety requirements, and ON.energy work instructions at all times.
- Participate actively in toolbox talks, safety briefings, incident investigations, and corrective action implementation.
- Maintain personal protective equipment (PPE) and ensure proper lockout/tagout (LOTO) procedures are followed for all maintenance activities.
- Report all near-misses, incidents, and unsafe conditions to the O&M Manager immediately.

## Qualifications

Required

- Associate degree, technical diploma, trade certification, or equivalent hands-on experience in Electrical Technology, Electronics, Power Systems, or a related field.
- 3-5 years of experience maintaining electrical systems, energy storage assets, renewable energy facilities, or critical infrastructure.
- Ability to read and interpret single-line diagrams, wiring schematics, and technical manuals.
- Valid driver's license.
- Ability to obtain and maintain CPR, OSHA 10/30, and NFPA 70E certifications.
- Availability for rotating on-call, weekend, and holiday coverage.
- Must reside in or relocate to the Amarillo, TX area. (relocation bonus will be considered)

## Preferred

- Experience with battery energy storage systems (BESS), inverters, switchgear, or medium/high-voltage equipment.
- Experience using CMMS platforms such as IBM Maximo, UpKeep, Fiix, or similar systems.

## What We Offer

- Competitive compensation with overtime eligibility
- Relocation assistance for qualified candidates
- On-call differential pay
- Medical, dental, and vision insurance
- 401(k) retirement plan with company match
- Opportunity to work on a high-profile data center project utilizing advanced energy storage technology
- Career growth within a rapidly expanding energy infrastructure company

ON.energy is committed to creating an inclusive workplace and welcomes applicants from diverse backgrounds and experiences.

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.
- Accommodations: If you need an accommodation during the application process, email recruitment@onenergystorage.com
- 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.

## About ON.energy

## Company Overview
- **One-liner**: ON.energy supplies and operates hyperscale power systems built to meet the world’s most demanding resilience challenges, delivering grid-safe energy and AI infrastructure through patented technology and proprietary software.
- **Entity Type**: Private (Series B, multiple debt financing rounds)
- **Headquarters**: Miami, Florida, United States
- **Founded**: 2016
- **Founders**: Alan Cooper (CEO & Co-Founder) and Ricardo De Azevedo (CTO & Co-Founder)

## Core Business
- **Primary Industry**: Energy Technology (energy storage, battery systems, critical power infrastructure)
- **Target Customers**: AI data centers, mission-critical facilities, grid-scale asset owners (B2B, enterprise, infrastructure)
- **Mission/Purpose**: To build the backbone of energy and AI infrastructure, making energy resilient, clean, abundant and affordable while solving the toughest power problems in the world.

## Products & Services
- **Hyperscale Power Systems**: Custom, end-to-end solutions for AI data centers and mission-critical facilities, combining advanced power electronics, battery storage and proprietary control software.
- **ON.command™ Energy Management System**: Proprietary software platform for managing gigawatt-scale deployments, optimizing grid stability, energy arbitrage, and uptime.
- **AI.UPS™ Platform**: Patented microgrid control system designed to deliver flickerless, full-facility protection with up to Tier 4 performance for mission-critical facilities.
- **Battery Energy Storage Systems (BESS)**: Grid-scale and commercial & industrial storage solutions for frequency regulation, peak shaving, and renewable integration.
- **Fault-Tolerant Architectures**: Engineered solutions for the most demanding environments, built with Tier-1 components backed by 20-year warranties.

## Market Standing
- **Valuation/Market Cap**: Not publicly disclosed (private company)
- **Key Metric**: Total Funding: $262.6M (across multiple debt and equity rounds, including Series B led by Ultra Capital in 2023); Annual Revenue: $4.5M (per LinkedIn estimate, likely reflective of earlier stage); 3 GW+ operating & under construction; 10+ GW production capacity
- **Notable Investors/Partners**: Ultra Capital (Series B lead), SDCL Energy Efficiency Income Trust, Lombard Odier Investment Managers, Live Oak Bank, BridgePeak Energy Capital, Pathward
- **Growth Signals**: 143% headcount growth YoY (148 employees as of 2026), 875% job posting growth YoY (52 open positions), 75+ projects across the Americas, $77.6M debt financing in January 2025

## Competitive Advantages
- **Patented Technology**: Proprietary microgrid control systems (AI.UPS) and energy management software (ON.command) that set new global benchmarks for reliability and uptime (99.9% availability).
- **FEOC Compliant & U.S. Manufacturing**: Proudly engineered and built in America, meeting foreign entity of concern compliance – a key differentiator for domestic infrastructure projects.
- **Gigawatt-Scale Supply Chain**: 10+ GW production capacity with Tier-1 components and 20-year warranties, enabling rapid deployment at scale.
- **Track Record**: Over 150 years of combined team runtime, proven performance across industrial, manufacturing, infrastructure, transportation, and grid-scale storage.

## Strategic Focus
- **Grid-Safe AI Power**: Scaling hyperscale power solutions specifically designed for AI data centers, addressing grid volatility and power quality challenges.
- **Global Deployment**: Expanding across the Americas with a fully ramped supply chain and active projects in 9 countries (US, Mexico, Argentina, Peru, Chile, Canada, etc.).
- **Vertical Integration**: Continuing to develop proprietary hardware and software in-house, from R&D to commissioning and asset management.

## Why Work Here
- **Culture**: Described as dynamic, innovative, and far from traditional corporate mold – autonomous teams with high trust, fast decision-making, and a focus on impact. “If you want predictable, this isn’t it. If you want impact, welcome.”
- **Work Environment**: Cross-functional teams spanning engineering, product, finance, and operations. Locations include Miami (HQ), Houston, Mexico City, Atlanta, and field roles across the US. Hybrid/remote flexibility likely varies by role.
- **Growth Opportunities**: Rapidly scaling company (143% headcount growth) with opportunities in supply chain, project engineering, R&D, software, and IT. Emphasis on professional growth and learning from “the brightest minds in technology, product engineering, finance, and more.”
- **Mission-Driven**: Work that directly impacts energy resilience, clean energy adoption, and AI infrastructure – a chance to solve some of the toughest power problems globally.

## Sources
1. [ON.energy Website](https://www.on.energy/)
2. [ON.energy Greenhouse Careers](https://job-boards.greenhouse.io/onenergy)
3. [ON.energy LinkedIn](https://www.linkedin.com/company/on-es)
4. [ON.energy Team Page](https://www.on.energy/team)
5. [CB Insights - On.Energy Profile](https://www.cbinsights.com/company/onenergy)

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