Field Service Technician II - BESS

ON.energy; Amarillo (TX); On-site; USD 70,000 - 90,000; Full time

Benefits offered by this job

Relocation assistance

Medical, dental, vision insurance

401(k) with company match

Competitive overtime eligibility

Career growth opportunities

Job summary

ON.energy is hiring for a field maintenance role in Amarillo, TX, focused on preventative and corrective maintenance of BESS systems, inverters, and related electrical infrastructure.

You will perform inspections, testing, and documentation in the CMMS, participate in on-call rotations, and ensure safety standards and regulatory compliance on site.

Qualifications

• 3-5 years of experience maintaining electrical systems, energy storage assets, renewable energy facilities, or critical infrastructure.
• Ability to read single-line diagrams and technical manuals.
• Valid driver’s license and ability to obtain CPR, OSHA 10/30, NFPA 70E certifications.
• Willingness to rotate on-call, weekends and holidays.

Responsibilities

• Execute scheduled preventative maintenance (PM) tasks on ON.energy BESS equipment, inverters, and related electrical infrastructure.
• Perform routine inspections, testing, and condition monitoring to prevent downtime and failures.
• Respond to alarms and faults with systematic diagnosis and root cause analysis.
• Create, update, and close CMMS work orders; maintain accurate equipment histories.
• Follow safety protocols including LOTO, PPE, and OSHA NFPA 70E guidelines.

Skills

Electrical maintenance

Troubleshooting

Documentation

On-call readiness

Education

Electrical Technology/Power Systems

Tools

IBM Maximo

UpKeep

Fiix

Job description

ON.energyis 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.energydevelops 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
• 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
• 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 [e-mail]
• 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.