Equipment Maintenance Technician III

Proterra
Proterra

Greer, SC, USA

Posted on Aug 20, 2026

Position Overview

This position will provide comprehensive maintenance support to Proterra’s Maintenance Supervisor and other site leadership team members. You will be responsible for providing a full range of technical solutions to client groups at the site and be in an environment where you can have a greater impact. This position will report to the Maintenance Supervisor and collaborate with team members located at the manufacturing facility.

About the Role – You will:

  • Perform highly diversified duties related to the installation, maintenance, and repair of production and automation equipment
  • Diagnose and resolve emergency and unscheduled equipment failures with urgency and accuracy, minimizing production impact
  • Execute scheduled preventative maintenance plans to maximize equipment uptime and reliability
  • Troubleshoot complex equipment issues leveraging mechanical, electrical, pneumatic, and hydraulic skillsets
  • Read and interpret equipment manuals, schematics, and wiring diagrams to perform required maintenance
  • Demonstrate a thorough understanding of PLC logic and utilize that knowledge to troubleshoot equipment independently and support others in troubleshooting activities
  • Maintain, troubleshoot, and repair robotic systems, servo drives, vision systems, HMI components, control network components, and motor controls
  • Accurately document all maintenance activities including work performed, parts used, root cause findings, and corrective actions in the CMMS or applicable system
  • Communicate effectively across shifts and with engineering, operations, and automation teams to ensure continuity and knowledge transfer
  • Actively participate in continuous improvement activities including Kaizen events, root cause analysis (RCA), and PM optimization initiatives — contributing ideas and driving solutions that improve equipment reliability and reduce downtime
  • Support the development and refinement of standard work and preventative maintenance procedures based on field experience and equipment data
  • Use a variety of hand and power tools, testing equipment, and material handling equipment safely and effectively
  • Comply with all safety regulations and maintain clean, organized work areas in accordance with 5S standards
  • Perform other duties as assigned by management

About Our Group:

  • As strategic partners, the Maintenance team strives to ensure that our values, culture and engagement always allow us to do great things for our company.
  • We strive to provide the highest-level service and support to our clients each and every day.
  • We work collaboratively to build strong relationships with our clients, partners, and own team.
  • We treat each other with respect……and always try to have a little fun every day!
  • This position will be part of the Maintenance team that supports Proterra’s Manufacturing operations.
  • You will report to the Maintenance Supervisor and collaborate with team members located at the manufacturing facility.

About You:

  • Self-starter with the ability to adapt interpersonal styles and techniques to influence at all levels of the organization.
  • Customer-focused attitude, with high level of professionalism and discretion.
  • Ability to maintain strict confidentiality, establish trust / credibility, and act with complete integrity.
  • Detail-oriented, resourceful and diligent.
  • Strong time management and organizational skills.
  • Sound judgment and problem-solving skills.
  • Excellent English, written and verbal, communication skills.

Your Experience Includes:

  • High School Diploma or equivalent.
  • Mechatronics degree and/or 5 years of experience working with automation assembly lines (i.e., mechanically, electrically or pneumatics).
  • Demonstrated experience with PLC troubleshooting (Allen-Bradley/Rockwell preferred)
  • Hands-on experience with industrial robots (Fanuc and Universal Robots preferred)
  • Familiarity with CMMS platforms for work order management and documentation (MaintainX, Maximo, SAP, etc)
  • Experience participating in or leading CI activities such as Kaizen, 5S, RCA, or FMEA
  • Ability to work rotating shifts, weekends, or on-call as required by production needs
  • Strong mechanical and electrical troubleshooting skills with the ability to work independently
  • Physical Demands:
  • May work various shifts as needed; may be requested to travel to different locations.
  • Lifting up to 25 pounds and occasionally 50 pounds. The heaviest module that we have is 83 pounds and requires 2-man lifting.
  • Able to walk, stand (100%), crouch (5-10%), bench (0), kneel (0), lift (up to 100% of day), carry (5-10%) and reach (constantly) as needed in large and tight spaces.
  • Good eye/hand coordination and ability to identify color variations, depth perceptions and close or distance visual items.
  • Manual dexterity with occasional repetitive finger motion.
  • Environmental Demands:
  • Ability to work in manufacturing environment with extreme heat and cold conditions.
  • Wear protective clothing or respiratory protective equipment.
  • Works with irritant chemicals, gases, etc.

Location: Greer, SC

Travel: 0 - 10%

Applicants must be authorized to work for any employer in the U.S. There is no immigration sponsorship available for this role (ex: H1-B, OPT, CPT, TN or any other employment sponsorship).

Proterra is an Equal Employment Opportunity Employer, providing equal employment opportunities to all Employees and applicants for employment without regard to race, color, creed, religion, sex, sexual orientation, gender identity, national origin, disability, age, genetic information, veteran status, pregnancy, childbirth, or related medical conditions, including, but not limited to, lactation or any other characteristic protected by applicable federal, state, or local law or ordinance. Proterra participates in the Electronic Employment Verification Program (E-Verify).

See more open positions at Proterra