Transformer Field Assembly Technician (E4A Solutions – A Subsidiary of Riot Platforms)

About E4A Solutions

E4A Solutions is a leading engineering firm specializing in power plant and substation services. We provide power plant installation, demolition, rebuilding, and retrofitting, along with equipment supply, engineering, construction, high-voltage switchyards, and auxiliary services. Our expertise also extends to maintenance and consulting, ensuring comprehensive solutions for our clients

About The Role

We are seeking a skilled and detail-oriented Transformer Field Assembly Technician to join our field operations team. This role involves the assembly, installation, inspection, testing, and commissioning of medium and high voltage power transformers at customer sites. The ideal candidate possesses strong mechanical aptitude, hands-on field assembly experience, and the ability to work both independently and collaboratively under field conditions.

Essential Functions

• Assemble and install power transformers (typically 480V to 500kV) and associated accessories, including radiators, conservator tanks, bushings, fans, etc.
• Perform oil processing and vacuum filling using filtration and degassing equipment.
• Conduct preventive and corrective maintenance on On-Load Tap Changers (OLTCs), including inspection, contact replacement, and mechanical adjustments.
• Read and interpret engineering drawings, wiring diagrams, and manufacturer manuals.
• Support electrical testing such as power factor, winding resistance, ratio, and insulation resistance under the direction of field engineers.
• Strictly follow all quality assurance and EHS (Environmental, Health & Safety) procedures.
• Document all work performed, complete assembly checklists, and prepare comprehensive technical field reports.
• Professionally interface with clients, transformer manufacturers, OEM representatives, and other site contractors.
• Support dismantling and removal of existing transformer units as necessary.
• Maintain and safely use tools, rigging, and lifting equipment.
  
  

Knowledge, Skills, And Abilities

• Familiarity with transformer core and coil assembly, gasket installation, bolt torquing procedures, and bushing handling.
• Basic understanding of electrical safety practices and standards (e.g., NFPA 70E, IEEE standards).
• Ability to read technical documentation and interpret complex diagrams and manuals.
• Experience with OLTCs (e.g., Reinhausen, ABB, Siemens) and transformer oil processing equipment is a strong plus.
• Strong technical reporting and documentation skills.
• Capable of operating cranes, forklifts, and rigging/lifting equipment.
• Knowledge of transformer monitoring systems installation and commissioning.
• Strong communication and teamwork skills; able to work under pressure during commissioning.
• Willingness to work weekends, overtime, and extended shifts when needed.
  
  

Education And Experience

• High school diploma or technical trade school certification required.
• Associate degree in electrical or mechanical technology is preferred.
• Minimum of 3 years of field service experience in transformer assembly or related heavy industrial equipment.
• OSHA 10/30-hour certification preferred (or willingness to obtain).
• Valid driver’s license and ability to travel up to 75%, including overnight stays.
• Experience with OEM equipment from ABB, Siemens, GE, or similar manufacturers is preferred.
  
  

Compensation And Benefits

• Competitive pay commensurate with experience.
• 401k plan with company matching
• Great medical, vision, and dental plans to choose from
• Long-term and Short-term disability
• Additional benefit options (Employee Assistance Program, Pet Insurance, and more)
• Flexible Spending Accounts
• Generous PTO and Paid Holidays
• A fun company culture with tremendous growth opportunities!
  
  

Riot is an equal opportunity employer. We are committed to creating an inclusive environment for all employees.