Los Angeles County Metropolitan Transportation Authority

Job Classification Specification

Pay Grade A40

Basic Function
Under moderate supervision, welds, fabricates, and repairs a variety of metal parts, vehicles, and facilities/support equipment

Classification Characteristics
Welder is an Amalgamated Transit Union (ATU) journey-level position. It differs from the Welder Leader (ATU) in that a Welder welds, fabricates, and repairs a variety of metal parts, vehicles, and facilities/support equipment while a Welder Leader oversees and coordinates the daily activities of a group of Welders and assigns tasks within a work crew. The Welder Leader communicates and implements safety rules, policies, and procedures and maintains accountability for the safety of assigned employees. A Leader receives additional pay for each hour worked as stipulated by the appropriate collective bargaining agreement. Differs from Sheet Metal Worker in that Welder primarily welds metal parts made by the Sheet Metal Worker and fabricates parts from metals heavier than 3/16", while Sheet Metal Worker diagrams, fabricates, and installs various sheet metal parts and structures from sheet metal up to 3/16" thickness.

Supervised by: Equipment Maintenance Supervisor


FLSA: Non-Exempt

Work Environment
In order to achieve Metro’s goals in support of its mission, potential candidates are required to commit and continuously practice and demonstrate the following work values:

Examples of Duties
  • Uses a variety of hand tools, machines, and welding equipment to repair and fabricate items of both ferrous and non-ferrous metals
  • Utilizes engineering drawings and blueprints and develops shop drawings
  • Prepares layouts and manufactures patterns
  • Fabricates tools, jigs, and fixtures
  • Maintains tools and equipment
  • Leads employees by assigning work and providing training
  • Contributes to ensuring that the EEO policies and programs of Metro are carried out

Essential Knowledge and Abilities

Knowledge of:

  • Metals, methods, tools, equipment, materials, safety procedures, and efficient operating practices used in MIG, TIG, ARC, and oxyacetylene welding
  • Vehicle operations and safety
  • Fabrication techniques
  • Shop math

Ability to:
  • Follow oral and written instructions
  • Communicate effectively with others
  • Operate MIG, TIG, ARC, and oxyacetylene welding equipment
  • Fabricate parts
  • Read, understand, and apply blueprints, diagrams and specifications
  • Weld ferrous and non-ferrous alloys and stainless steel
  • Design tools and equipment
  • Lift and move objects weighing up to 50 pounds
  • Travel to offsite locations within a reasonable timeframe
  • Read, write, speak, and understand English

Minimum Qualifications
Potential candidates interested in the WELDER LEADER position MUST meet the following requirements:

  • 2 years' experience performing journey-level work as a combination welder (IMG, TIG, ARC, and GAS)
  • 1 year employment in an active welder apprenticeship program may be substituted for equivalent experience
  • Graduation from an accredited welding trade school may be substituted for experience
  • Valid California Class C driver's license

Special Conditions
  • Must provide own tools of the trade
  • Must comply with all California Occupational Safety and Health Administration (Cal/OSHA) regulations and utilize approved safety equipment and personal protective gear including, but not limited to, respirators, eye and hearing protective devices (HPD), if and when required

This job specification is not to be construed as an exhaustive list of duties, responsibilities, or requirements. Employees may be required to perform other related job duties.

Date Originally Created: 4/24/1995
Date Last Revised: 2/5/2009
ATU: 0791A