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Job Description

Overview

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

Responsibilities

  • Conduct pre-shift and post-shift equipment inspections and complete scheduled preventative maintenance tasks.
  • 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.
  • Adhere to MSHA and OSHA regulations, execute Lockout/Tagout protocols, and maintain a hazard-free work area.
  • Observe aggregate crushing, washing, and screening areas to identify anomalies and perform minor adjustments.
  • Record and maintain service logs, lubrication reports, and maintenance records for plant equipment.

Requirements

  • Two-year technical degree or accredited apprenticeship program 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.
  • MSHA Certified or willingness to complete required MSHA training.
  • An active valid driver's license.
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How this job compares in Phoenix, AZ

Pay in context

At roughly $39/hr, this posting sits about 26% above the $31/hr median for welding jobs in Phoenix, AZ — toward the top of a $25–$35/hr middle band drawn from 79 postings with published pay. Put another way, it pays more than about 85% 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 Phoenix, AZ

We're tracking 218 other active welding openings in Phoenix, AZ right now, from 141 different employers. 86 of them were added in the last week. Across Arizona as a whole we're tracking 495 other active welding openings from 293 employers. A metro this active generally means you have real leverage — employers here are competing for the same welders. Browse every welding job in Phoenix, or widen the search to Arizona.

Vulcan Materials Company currently has 4 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 EZARC (18), Sundt Construction (15), and U-Haul (9). 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 Mesa at $33/hr. If you can relocate or commute, that spread is worth factoring in.

Similar openings near Phoenix, 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 Master figures were last recalculated when this page was built.