Field Service Technician I - BESS

ON.energy; Amarillo (TX); On-site; USD 55,000 - 85,000; Full time

Benefits offered by this job

Overtime eligibility

Relocation assistance

Medical, dental, vision insurance

Job summary

ON.energy is seeking a hands-on Maintenance Technician for our Amarillo, TX site to execute preventive and corrective maintenance on battery energy storage systems and related electrical infrastructure. You will work with inverters, switchgear, and balance-of-plant equipment, ensuring safety compliance and reliable performance.

The role requires 1–3 years of electrical maintenance experience, a technical diploma or associates degree, and the ability to obtain CPR/OSHA 10/30 and NFPA 70E

Qualifications

• Must have 1–3 years of experience maintaining electrical systems, energy storage assets, or critical infrastructure.
• Ability to read and interpret single-line diagrams and technical manuals.
• Valid driver’s license and CPR/OSHA NFPA 70E certifications.
• Willingness to rotate on-call, weekends, and holidays.
• Reside in or relocate to Amarillo, TX area; relocation bonus considered.

Responsibilities

• Execute scheduled preventative maintenance on ON.energy BESS equipment, inverters, and electrical infrastructure per OEM requirements and site plans.
• Perform routine inspections, functional testing, and condition monitoring; document PM records in the CMMS.
• Respond to alarms and faults; perform systematic diagnosis and root cause analysis; replace faulty components.
• Maintain accurate maintenance histories, parts usage, and labor records in CMMS for lifecycle reporting.
• Participate in on-call and after-hours responses; communicate status and escalate as needed.

Skills

Electrical troubleshooting

Reading schematics

On-site maintenance

Education

Associate degree or technical diploma in Electrical Technology

Tools

CMMS (Maximo/UpKeep)

BESS equipment experience

Job description

ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper‑scale campuses, validated by top U.S. national labs, and certified for grid‑safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.

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.
• 1‑3 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
• 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.

Equal Opportunity: ON.energy is committed to equal employment opportunity and to maintaining a work environment free of harassment, discrimination, or retaliation.