Mobile Equipment Mechanic
Location
Rancho Santa Margarita, CA
Wage
$40 – $55/hr
Employment Type
Full-time
Posted on September 1, 2026
Location
Rancho Santa Margarita, CA
Wage
$40 – $55/hr
Employment Type
Full-time
Posted on September 1, 2026
As a Mobile Mechanic at Martin Marietta, you will ensure the safe and efficient operation of diesel-powered mobile equipment across various sites. Your mechanical skills will support production goals while adhering to safety and compliance standards.
At roughly $48/hr, this posting sits about 48% above the $32/hr median for welding jobs across California — toward the top of a $27–$39/hr middle band drawn from 337 postings with published pay. Put another way, it pays more than about 86% 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.
This is the only active welding job we're currently tracking in Rancho Santa Margarita, CA, which makes it worth moving on quickly — there is no local competing offer to weigh it against. Across California as a whole we're tracking 434 other active welding openings from 217 employers. Browse welding jobs across California.
Martin Marietta currently has 1 other opening live in California, which is usually a sign of either steady growth or steady turnover — worth asking which in the interview.
The most active employers in California at the moment, by number of open welding reqs, are SpaceX (26), Aerotek (16), and Volt (16). Volume like that usually means either a genuine expansion or a staffing agency working several client sites — worth knowing which before you apply.
Within California, the best-paying metros we track by median hourly rate are Santa Ana at $48/hr, Long Beach at $42/hr, and Los Angeles at $38/hr. If you can relocate or commute, that spread is worth factoring in.
Pay figures are medians computed from live postings in the Welding Pros index, not from survey data, and they move as employers post. Mobile Equipment Mechanic figures were last recalculated when this page was built.