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Job Description

Overview

The Senior Plant Technician is a highly skilled individual contributor responsible for troubleshooting, tearing down, and rebuilding all equipment on-site. This role involves using advanced tools, welding, and cutting to maintain and repair plant machinery, ensuring site reliability and operational efficiency.

Responsibilities

  • Conduct pre-shift and post-shift equipment inspections and lubricate moving parts.
  • Complete scheduled preventative maintenance tasks to prevent component failures.
  • Troubleshoot and replace basic mechanical components, including conveyor belts and water pumps.
  • Perform structural repairs and replace heavy wear-parts using welding, cutting, and grinding equipment.
  • Rebuild and fabricate parts.
  • Order parts from approved vendors and drive Company pick-up/repair truck to pick up parts.
  • Adhere to MSHA and OSHA regulations, execute Lockout/Tagout protocols, and maintain a hazard-free work area.
  • Observe aggregate crushing, washing, and screening areas during operation to identify anomalies.
  • Record and maintain service logs, lubrication reports, and maintenance records for plant equipment.
  • Assist in the maintenance and repair of mobile equipment.
  • Perform other duties as directed by supervisor.

Requirements

  • Two-year technical degree or accredited apprenticeship program in a technical field preferred.
  • High School diploma or GED equivalent required.
  • Minimum of 5 plus years of experience in operations, preferably within the aggregate industry.
  • Strong mechanical aptitude with hands-on experience in welding and using power/hand tools.
  • Familiarity with heavy equipment commonly found in quarries.
  • Understanding of plant operations, processes, and performance goals.
  • Knowledge of inspection procedures for critical areas of the site.
  • Knowledge of routine maintenance tasks and troubleshooting techniques.
  • Understanding of larger maintenance tasks and repair processes.
  • MSHA Certified or willingness to complete required MSHA training.
  • An active valid driver's license.
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How this job compares in Laveen, AZ

Pay in context

At roughly $37/hr, this posting sits about 23% above the $30/hr median for welding jobs across Arizona — toward the top of a $25–$38/hr middle band drawn from 183 postings with published pay. Put another way, it pays more than about 73% of the comparable postings we have wage data for. Pay that far above local median usually comes attached to something: a harder cert requirement, travel, night shift, or overtime that isn't really optional. Worth establishing which before you accept.

The local market in Laveen, AZ

This is the only active welding job we're currently tracking in Laveen, AZ, which makes it worth moving on quickly — there is no local competing offer to weigh it against. Across Arizona as a whole we're tracking 488 other active welding openings from 277 employers. Browse welding jobs across Arizona.

Vulcan Materials Company currently has 5 other openings live in Arizona, which is usually a sign of either steady growth or steady turnover — worth asking which in the interview.

The most active employers in Arizona at the moment, by number of open welding reqs, are Sundt Construction (14), Welding Shop in Phoenix, AZ (14), and GTI Fabrication (11). Volume like that usually means either a genuine expansion or a staffing agency working several client sites — worth knowing which before you apply.

Within Arizona, the best-paying metros we track by median hourly rate are El Mirage at $38/hr, Waddell at $34/hr, and Phoenix at $32/hr. If you can relocate or commute, that spread is worth factoring in.

Similar openings near Laveen, AZ

Pay figures are medians computed from live postings in the Welding Pros index, not from survey data, and they move as employers post. Plant Maintenance Tech Principal figures were last recalculated when this page was built.