BESS Technician II – Traveling
Location: Traveling / Multi-Site
Employment Type: Full-Time
Reports to: Senior Field Manager, Storage & Hybrid O&M
Travel: Regional multi-site travel across Texas, including overnight travel

Clean Energy Services (CES) is an independent, execution-first operations and maintenance (O&M) provider purpose-built to support complex, utility-scale battery energy storage and hybrid assets. Our platform combines dedicated field teams, a 24/7 Remote Operations Center (ROC), and deep operating expertise to reduce operational risk, improve availability, and protect long-term asset value.

Coverage & Territory

This is a traveling role supporting CES's portfolio of utility-scale BESS sites across Texas. The technician rotates through sites primarily in the Texas Gulf Coast, North, West & South-Central Texas areas, provides regular support to two sites in North Texas (greater Dallas-Fort Worth region), and travels to support sites in the region.

Job Description 

Multi-Site Coverage & Travel

• Rotate through assigned BESS sites across the Texas portfolio, covering scheduled visits and dispatched work

• Complete site-specific safety orientation and a hazard assessment on arrival at each site before beginning any work

• Serve as the on-site presence for sites without dedicated staff, and travel to support CES sites in the region as needed, including overnight travel

• Support efficient planning, site routing and access coordination, shutdowns, and outage timing with the ROC, field leadership, the client and other entities as needed/required

• Support other sites across the CES O&M portfolio, as the dedicated traveling O&M BESS Technician.

Preventive Maintenance

• Execute scheduled PM checks across battery, PCS / inverter, and balance-of-plant per OEM requirements and CES procedures

• Perform module and rack inspections, BMS checks, thermal management, DC/AC electrical inspections, and consumable / filter replacement

• Verify equipment is de-energized and apply proper lockout/tagout (LOTO), test-before-touch verification, and protective grounding before working on DC, AC, or MV/HV circuits

• Medium-voltage / collector PM: transformer checks, torque checks, and cable-termination inspections

• Perform or coordinate infrared (IR) / thermographic scans of site components and connections

Corrective Maintenance, Outage & Emergency Response

• Provide rapid fault diagnosis, isolation, and troubleshooting for battery, PCS / inverter, and MV/HV equipment

• Respond to ROC-dispatched alarms, outages, and emergency call-outs within established response-time targets

• Perform corrective maintenance and OEM-certified repairs within scope, and support return-to-service

• Support planned and unplanned outages, including switching and lockout/tagout (LOTO)

• Establish an electrically safe work condition using approved switching orders, LOTO, test-before-touch verification, and grounding before any hands-on work

Warranty & Reporting

• Identify and document warranty issues across battery, PCS, and balance-of-plant equipment; open and support claims with the CES warranty team, OEMs and Site Owners, then track them through resolution

• Manage on-site spare parts and consumables as applicable to each site

• Produce a clear daily field report of the full day's work; sites visited, tasks completed, findings, parts used, follow-ups, and hours plus monthly reporting inputs, and provide status updates to the ROC, field leadership and owners as required

Safety & Compliance

• Conduct job hazard analyses (JHA), tailboards, and LOTO on MV/HV equipment and energized systems; exercise stop-work authority when conditions are unsafe

• Maintain compliance with NFPA 855, NFPA 70E, OSHA, and NEC / NESC, and follow site-specific emergency-response procedures

• Champion CES's safety-first culture; you hold full stop-work authority and are expected to use it any time a task cannot be completed safely

• Apply CES's lockout/tagout (LOTO) program on every energized system: identify all energy sources, isolate, lock and tag, verify zero energy (test-before-touch), and apply protective grounding before work begins

• Do not work on energized equipment without an approved energized-work permit, correct arc-rated PPE, and insulated tools appropriate to the incident-energy level (NFPA 70E)

• Follow confined-space, fall-protection, and hot-work procedures as site conditions require

• Immediately report and document all incidents, near-misses, and unsafe conditions, and support root-cause reviews and corrective actions

• Complete all required safety training, toolbox talks, and site-specific orientations, and keep certifications current

Required Qualifications

Based in Texas, and willing to travel extensively across Texas, including overnight

• 2+ years of hands-on experience in renewable energy or electrical operations and maintenance (BESS, solar, substation, or industrial power)

• 6-12 months of site leadership experience including managing multiple sites concurrently

• 1-2 years of customer-facing responsibilities, including hosting/attending client calls, reporting and ensuring clear communications from organization to customer

• Inverter / PCS and/or battery system troubleshooting experience

• Medium-voltage & High-voltage (15-500 kV) awareness, with switching and LOTO discipline

• Unwavering commitment to CES's safety-first culture, with strict adherence to lockout/tagout (LOTO) and all applicable safety procedures on every task

• Ability to read single-line diagrams, schematics, PM specifications, and OEM manuals

• Ability to review and support the creation of switching orders, PM schedules and corrective maintenance procedures

• Clear, professional communicator able to produce accurate daily reports and status updates, written and verbal

• Valid driver's license and clean driving record (company vehicle provided); ability to pass background check and drug screen

• Able to work independently with minimal supervision across multiple sites

• Physically able to lift up to 50 lbs, climb, work at heights, operate hand/power tools, and work outdoors in all weather

Preferred Qualifications

• Combined solar and BESS O&M experience

• Inverter troubleshooting on major OEM platforms

• Battery system troubleshooting

• Journeyman electrician background or equivalent electrical experience

• OEM training or certifications

• Balance-of-plant experience

• Substation Switching and experience taking a site offline with specialist support

• LOTO and safety protocol experience

• NFPA 70E qualified electrical worker and arc-flash training

• Authorized lockout/tagout (LOTO) and switching experience on energized MV or HV systems

• First Aid / CPR / AED certification

• Demonstrated safety-first track record: leading JHAs and tailboards and reporting near-misses

• Electrical fieldwork: terminations, component replacement, conduit and cable tray

• NFPA 70E / OSHA 10-30; infrared thermography experience

• Prior traveling field experience

Training & Development

CES provides full training on site equipment and additional OEM platforms as the need arises, with a clear path to grow across our storage and hybrid portfolio.

What CES Offers

• Per diem on travel days

• Company truck with fuel card

• Company expense card

• Full CES benefits package (medical, dental, vision, 401(k), and PTO)

• Equipment and OEM training and certification

• Growth within a fast-scaling energy storage O&M team

Travel & Physical Requirements

• Regional, multi-site travel across Texas with frequent overnight stays; schedule varies with PM campaigns, outages, and corrective needs

• Occasional travel to sites outside the region may be required from time to time.

• On-call / emergency-response rotation

• Field environment including outdoor work, energized equipment, confined spaces, heights, and varying weather

Clean Energy Services (CES) provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, or genetics. In addition to federal law requirements, CES complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

CES expressly prohibits any form of workplace harassment based on race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status.

To the extent permitted by law, employees are subject to periodic random drug testing, and post-accident and reasonable suspicion drug and alcohol testing.