Field Service Technician II - BESS

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: 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. 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.