BESS Technician Apprentice

Are you ready to be part of a company that's not just talking about the future, but actively shaping it? Join The AES Corporation, the largest US-based global power company with a team of 8,300 employees across 12 countries.

AES has been ranked #1 by BloombergNEF in renewable energy sales to corporations in the US and Americas for five consecutive years, providing electricity for millions of people worldwide.

We are proud to foster a strong workplace culture, earning prominent positions in Great Place to Work™ rankings across the markets where we operate. AES was also named one of the World’s Most Ethical Companies for the 13th consecutive year in 2026, highlighting our dedication to integrity, transparency, and responsible business practices.

Our spirit of innovation continues to earn industry recognition. AES is the only seven-time winner of the Edison Electric Institute’s Edison Awards in the twenty-first century, a distinction honoring global leadership in advancing the electric power industry.

If you're ready to be part of a company that's not just adapting to change, but driving it, AES is the place for you. We're not just building a more sustainable future, we're powering it. Apply now and energize your career with a true leader in global energy.

Summary

The BESS Technician Apprentice is an entry-level Field Operations role designed to develop future utility-scale Battery Energy Storage System technicians for AES Clean Energy. The apprentice works under the direction of qualified technicians and site leadership to learn safe BESS inspection, operation, maintenance, basic troubleshooting, documentation, and site support activities.

This role is intended for candidates who are dependable, safety focsafety-focusedsafety-focusedused, willing to learn, and interested in building a long-term career in renewable energy and battery storage operations.

Apprentice Will Learn

• Battery Energy Storage System safety, equipment awareness, and safe work practices.
• Basic electrical fundamentals, inverter/PCS equipment, MV transformers, SCADA systems, and BESS assemblies.
• How to support inspections, preventive maintenance, alarm response, and troubleshooting equipment under supervision.
• How to read and follow procedures, OEM manuals, work instructions, drawings, and site documentation.
• How to complete work orders, inspection forms, maintenance records, and training documentation accurately.

Essential Responsibilities

Safety and Site Conduct

• Follow AES safety expectations, site procedures, Job Safety Analysis / Job Hazard Analysis requirements, pre-job briefings, and stop-work expectations.
• Learn and follow Lockout/Tagout and control-of-hazardous-energy practices only under authorized supervision.
• Use required PPE and maintained awareness of electrical, thermal, environmental, vehicle, heat stress, fall, and equipment hazards.
• Participate in safety meetings, site orientations, emergency drills, near-miss reporting, and incident prevention activities.
• Maintain good housekeeping and support a clean, safe, and organized work environment.

BESS Operations and Maintenance Support

• Assist qualified technicians with preventive and corrective maintenance on utility-scale BESS assets.
• Support visual inspections of BESS containers/enclosures, racks/modules, battery management systems, PCS/inverter equipment, transformers, switchgear, HVAC/thermal management systems, SCADA, fire detection/suppression interfaces, and balance-of-plant equipment.
• Assist with basic troubleshooting using approved procedures, OEM manuals, drawings, and technician direction.
• Support commissioning, seasonal readiness, outage work, equipment inspections, and punch-list closeout as assigned.
• Promptly communicate abnormal equipment conditions, alarms, leaks, damaged components, communication issues, thermal issues, or safety concerns.

Training, Documentation, and Work Management

• Complete assigned AES BESS Technical Training Requirements, Workday learning, OEM training, and site-specific qualification requirements.
• Learn to read single-line diagrams, schematics, equipment manuals, maintenance procedures, and BESS system drawings.
• Complete work orders, inspection forms, checklists, maintenance records, and field documentation accurately and on time.
• Use AES systems and tools such as Workday, CMMS/work management systems, mobile devices, Microsoft Office, and site reporting tools assigned.
• Participate in coaching, mentoring, and competency checks to demonstrate readiness for advancement to BESS Technician I.

Minimum Qualifications

• High School Diploma or GED required.
• Valid driver’s license and ability to operate a company vehicle in accordance with AES requirements.
• Strong interest in renewable energy, battery storage, electrical systems, industrial maintenance, or field operations.
• Ability to work outdoors in utility-scale environments including heat, cold, wind, dust, and remote site conditions.
• Ability to safely lift up to 50 pounds, walk long distances, climb ladders when trained/authorized, and work on uneven terrain.
• Basic computer skills and ability to complete electronic training, work orders, and reports.
• Strong communication skills, reliability, teamwork, and willingness to learn under supervision.

Knowledge, Skills, and Abilities

• Safety-first mindset and willingness to stop and ask questions when unsure.
• Ability to follow procedures, directions, and controlled work practices in a power generation environment.
• Mechanical and electrical aptitude with strong attention to detail.
• Dependable attendance, professional conduct, and accountability for assigned work.
• Ability to work effectively with technicians, contractors, engineering, OEM vendors, and operations leadership.
• Continuous improvement mindset aligned with AES values: Safety First, Highest Standards, All Together, and Bold Thinking.

BESS Apprentice Training Focus

Apprentices are expected to complete AES BESS apprentice training requirements and assigned site/OEM learning. The BESS Apprentice training path includes the following focus areas:

• Electrical Fundamentals
• Inverter Fundamentals for BESS
• MV Transformers for BESS
• SCADA Fundamentals
• BESS Fundamentals and BESS Safety
• BESS Assemblies
• Fluence Gen 5 and Gen 6 case studies
• SPARK – PV O&M Onboarding
• Foundations of Battery Energy Storage Systems

Work Environment and Physical Requirements

• Site-based role working at utility-scale BESS facilities and associated electrical equipment areas.
• Work may occur around energized electrical equipment, BESS containers/enclosures, moving mechanical equipment, vehicles, heavy equipment, and contractor work areas.
• Requires outdoor work in desert, rural, and remote environments with high temperature exposure and changing weather conditions.
• May require overtime, outage support, emergency callout support, and regional travel as business needs require.