Union Storage MV Electrical I

Valley CenterCA | Energy Storage and Solutions Group


Mortenson’s success is not a matter of luck; it’s a result of our ingenuity, expertise, and exceptional people coupled with our unparalleled focus on customer service.  Our foundation and culture are based upon our company values of trust, safety, teamwork, responsibility, service and stewardship. We are inspired by a compelling purpose to build structures and facilities for the advancement of modern society and a mission to create an exceptional customer experience. Mortenson has built a reputation for being a leader in our industry and in the communities in which we live and work.


As an MV Electrical Terminator, you will provide skilled craftsmanship for maintenance and installation of electrical systems.


  • Must be able to pass certification class on MV Terminations (Tyco, 3M, Raycam, ect.)
  • Assemble, install, test, and maintain electrical or electronic wiring, equipment, appliances, apparatus, and fixtures, using hand tools and power tools
  • Connect wires to circuit breakers, transformers, or other components
  • Test electrical systems and continuity of circuits in electrical wiring, equipment, and fixtures, using testing devices such as ohmmeters, voltmeters, and oscilloscopes, to ensure compatibility and safety of system
  • Installs and maintains transformers, generators, lights, appliances, circuits, wiring, and other electrical system equipment and components in compliance with electrical codes, standards, and regulations
  • Studies plans, drawings, specifications, and work orders to determine work requirement and sequence of installation
  • Repairs and maintains high voltage systems
  • Reading prints, layout work and installing new service
  • Repairs electrical problems by replacing faulty parts and components
  • Maintains electrical systems by conducting system tests; completing preventive maintenance requirements
  • Keeps supplies ready and notifys supervisor of needs
  • Maintains safe work environment by following standards and procedures; complying with codes
  • Updates job knowledge by participating in educational opportunities; reading technical publications
  • Accomplishes maintenance and organization mission by completing related results as needed
  • Contributes to team effort by accomplishing related results as needed
  • All other duties as assigned
  • All team members are expected to demonstrate the following characteristics:
      • Cooperate with others when in a team environment
      • Accept direction from supervisors
      • Follow work rules and procedures
      • Punctual and consistent attendance
      • Accept constructive feedback


Mortenson by the numbers


2019 revenue


employees across
11 offices + field


year founded

Our approach to leadership and culture

Our founder Mort Mortenson believed that we were all born to be leaders; that leadership wasn't something that just happened to us but was something within us.

Explore the culture he built

Grid pattern of Mortenson team members smiling.


  • Must be able to speak and understand English, ability to speak Spanish is a plus
  • Requires some ability to read plans
  • Ability to work effectively with a variety of internal and external constituencies from varied and diverse backgrounds, including line and executive staff, person representing industry, corporate, government, and community based organizations
  • Able to adapt communication style to the speaker and possess a high degree of active listing skills
  • Must demonstrate emotional intelligence; being aware of the motions of self and others
  • Must be able to identify, utilize and maintain MV Terminating Tooling.
  • Ability to frequently sit, stand, walk crouch, kneel, climb and periodically lift up to 50 lbs
  • Positive attitude and professional customer service skills
  • Detail orientation



  • A high school diploma or GED is preferred
  • Trade or technical school certification/diploma is a plus
  • Project specific training is required
  • Minimum of two years related experience
  • Current driver’s license



Mortenson is an EOE/Affirmative Action/M/F/Veteran/Disabled employer. EEO is the Law

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EEO is the Law - Mortenson EEO Policy - English | Spanish

Supplement for Federal Contractors - English | Spanish