Riot Platforms, Inc.
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 this 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.
What you'll do
- Assemble and install power transformers (480V to 500kV) and associated accessories including radiators, conservator tanks, bushings, and fans.
- Perform oil processing and vacuum filling using filtration and degassing equipment to ensure transformer integrity.
- Conduct preventive and corrective maintenance on On-Load Tap Changers (OLTCs), including contact replacement and mechanical adjustments.
- Support electrical testing such as power factor, winding resistance, ratio, and insulation resistance under the direction of field engineers.
- Document all work performed, complete assembly checklists, and prepare comprehensive technical field reports.
- Interface professionally with clients, transformer manufacturers, OEM representatives, and site contractors.
- Operate cranes, forklifts, and rigging/lifting equipment safely and in accordance with site protocols.
- Support dismantling and removal of existing transformer units as needed.
What you'll bring
- High school diploma or technical trade school certification required; Associate degree in Electrical or Mechanical Technology preferred.
- OSHA 10/30-hour certification preferred (or willingness to obtain).
- NETA Level 3 or Level 4 certification preferred.
- Minimum of 3 years of field service experience in transformer assembly or related heavy industrial equipment.
- Experience with OEM equipment from ABB, Siemens, GE, or similar manufacturers preferred.
- Experience with OLTCs (e.g., Reinhausen, ABB, Siemens) and transformer oil processing equipment is a strong plus.
- Knowledge of transformer monitoring systems installation and commissioning.
- 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.
- Strong technical reporting and documentation skills.
- Strong communication and teamwork skills; able to work under pressure during commissioning.
- Valid Driver's License required; CDL-A preferred.
- Ability to travel up to 70%, including overnight stays.
- Willingness to work weekends, overtime, and extended shifts when needed.
- Ability to perform physically demanding tasks including operating rigging/lifting equipment and working in varying field conditions.
- Ability to lift and move transformer components and associated equipment as required by the job site.
Safety Requirements
- PPE & Compliance: Strictly adhere to all site safety protocols and wear required Personal Protective Equipment (PPE) at all times (e.g., safety glasses, hearing protection, steel-toed boots).
- Hazard Awareness: Proactively identify, report, and mitigate potential workplace hazards or unsafe conditions.
- Standards: Maintain compliance with OSHA regulations and internal safety training.
Compensation and Benefits
- Salary commensurate with experience
- 401(k) retirement plan: Includes a generous company match
- Comprehensive health coverage: Multiple medical plan options, including 100% company-paid plans, HSA & FSA
- Work-life balance: Paid time off, sick time, and floating holidays
- Wellness & lifestyle perks: Enjoy free gym memberships, pet insurance, childcare discounts, employee assistance program, and more to support your life both in and out of work
E4A Solutions is an equal opportunity employer. We are committed to creating an inclusive environment for all employees.
Riot Platforms, Inc. Castle Rock, Colorado, USA Office
Riot Platforms, Inc. Castle Rock, CO Office
Located between Denver and Colorado Springs, Castle Rock draws a highly educated, technically skilled workforce with top schools and strong incomes. Nationally recognized for livability, it pairs metro access with a strong outdoor lifestyle.
Riot Platforms, Inc. Denver, Colorado, USA Office
Riot Platforms, Inc. Denver, CO Office
Our downtown Denver location offers top-tier walkability and transit access with nearby dining and culture. Ranked #2 Best Place to Live by U.S. News & World Report and #4 for Business and Careers by Forbes, Denver attracts a highly educated, innovation-driven workforce. This office is dog friendly.
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