Rock Pros USA

Ground Engineer, Crushing - Marana

Ground Engineer, Crushing

Physical labor, outdoor work, safety compliance, teamwork, ability to handle heavy materials.

Part-Time Full-Charge Bookkeeper – Multi-Entity Accounting (QuickBooks Desktop, Intercompany Transactions)

Full-Charge Bookkeeper

Experience as a full-charge or senior bookkeeper; multi-entity intercompany accounting; QuickBooks Desktop; GAAP; GL management; prepare financial statements; month-end and year-end close.

Operator – Heavy Equipment (Excavator, Loader & Crushing Experience)

Heavy Equipment Operator

Experienced heavy equipment operator with crushing and quarry experience; proficient with CAT excavators and wheel loaders; safety minded.

Ground Engineer, Crushing - Florence

Physically demanding work; must be able to lift and carry heavy objects, endure various weather; follow safety protocols and work as a team.

Traveling Dozer Operator – Heavy Equipment / Rock Crushing AZ

Dozer Operator

Extensive dozer operation with rock crushing experience; physically demanding outdoor work; willingness to travel; valid driver’s license.

Field Heavy Equipment Mechanic – Fabricator & Welder

Field Heavy Equipment Mechanic

3+ years heavy equipment mechanic experience; welding fabrication; hydraulics, engines, electrical; willing to travel; mining/heavy equipment background.

Sales Administrative Assistant

Provide administrative support to the sales team; strong customer service, communication, Excel, data entry; 1+ year as Administrative Assistant; 5+ years MS Office.

Quarry Heavy Equipment Operator – Rock Crushing & Mining

Proven experience operating heavy equipment in a surface mining or quarry environment; rock crushing experience; safety-focused with MSHA compliance; team player willing to perform non-operator tasks.

Sales Administrator / Sales Assistant (Inside Sales)

Sales Administrator

Sales support and estimating role; must coordinate with sales, dispatch, and AR; proficient in Excel and CRM; strong communication and multitasking.

Master of Yellow Iron (Heavy Equipment Mechanic) Rock Crushing

Heavy Equipment Mechanic

Experienced heavy equipment mechanic with leadership, welding, and fabrication skills; clean driving record; willing to travel across Arizona (and possibly Nevada); MSHA compliance.

Heavy Equipment Mechanic – Crushing & Surface Mining (Yellow Iron)

Proven experience as a Heavy Equipment Mechanic in crushing, quarry, aggregate, or surface mining environments; knowledge of hydraulic systems, diesel engines, and heavy equipment electrical systems; welding, fabrication; downtime reduction and maintenance focus; MSHA Part 46/48 knowledge; travel between sites.

Ground Engineer, Crushing - Chloride

Ground Engineer

Physically capable of demanding labor; outdoor work; safety compliance; able to follow instructions; reliable; quarry/mining experience preferred.

Loader Operator, Crushing - Dolan Springs

Loader Operator

2-3 years heavy equipment operation; front-end loaders preferred; MSHA safety; quarry/mining experience; ability to operate additional equipment; teamwork.

Loader Operator, Crushing - Chloride, AZ

2-3 years heavy equipment operation, MSHA safety compliance, ability to operate multiple equipment, teamwork and safety focus

Foreman / Crew Supervisor (Aggregates & Mining Operations)

Foreman

Experience supervising crews in mining/aggregates; strong safety, quality, and leadership; proficient with heavy equipment and reporting.

Portable Ground Laborer, Rock Crushing (Surface Mining)

Ground Laborer

High school diploma or equivalent; prior labor/construction experience preferred; MSHA knowledge a plus; rock crushing experience required; valid driver’s license; willingness to travel and work overtime/weekends.

Portable Heavy Equipment Operator III, Rock Crushing (Surface Mining)

Portable Heavy Equipment Operator

Three+ years heavy equipment operator experience, MSHA safety knowledge, rock crushing experience, valid driver’s license, willingness to travel and work overtime/weekends.

Portable Plant Foreman, Rock Crushing (Surface Mining)

Portable Plant Foreman

Oversee portable rock crushing and screening operations; 3-5 years leadership in operations; travel in AZ/NV; MSHA safety compliance; high school diploma.

Title	Location	Date
Ground Engineer, Crushing - Marana Full Time · $37K-$48K/yr Avra Valley, Arizona, United States · Onsite	Avra Valley, Arizona, United States Onsite	Apr 24, 2026
Part-Time Full-Charge Bookkeeper – Multi-Entity Accounting (QuickBooks Desktop, Intercompany Transactions) Part Time · $42K-$52K/yr Mesa, Arizona, United States · Onsite	Mesa, Arizona, United States Onsite	Apr 14, 2026
Operator – Heavy Equipment (Excavator, Loader & Crushing Experience) Full Time · $50K-$56K/yr Mayer, Arizona, United States · Onsite	Mayer, Arizona, United States Onsite	Apr 8, 2026
Ground Engineer, Crushing - Florence Full Time · $37K-$46K/yr Gold Canyon, Arizona, United States · Onsite	Gold Canyon, Arizona, United States Onsite	Mar 18, 2026
Traveling Dozer Operator – Heavy Equipment / Rock Crushing AZ Full Time · $42K-$58K/yr · 20+ YOE Mesa, Arizona, United States · Onsite	Mesa, Arizona, United States Onsite	Mar 12, 2026
Field Heavy Equipment Mechanic – Fabricator & Welder Full Time · $67K-$83K/yr · 3+ YOE Mesa, Arizona, United States · Onsite	Mesa, Arizona, United States Onsite	Mar 5, 2026
Sales Administrative Assistant Full Time · $48K-$54K/yr · 1+ YOE Mesa, Arizona, United States · Onsite	Mesa, Arizona, United States Onsite	Mar 1, 2026
Quarry Heavy Equipment Operator – Rock Crushing & Mining Full Time · $42K-$52K/yr Avra Valley, Arizona, United States · Onsite	Avra Valley, Arizona, United States Onsite	Feb 21, 2026
Sales Administrator / Sales Assistant (Inside Sales) Full Time · $42K-$52K/yr Mesa, Arizona, United States · Onsite	Mesa, Arizona, United States Onsite	Feb 6, 2026
Master of Yellow Iron (Heavy Equipment Mechanic) Rock Crushing Full Time · $67K-$83K/yr Mesa, Arizona, United States · Onsite	Mesa, Arizona, United States Onsite	Feb 5, 2026
Heavy Equipment Mechanic – Crushing & Surface Mining (Yellow Iron) Full Time · $67K-$83K/yr Mesa, Arizona, United States · Onsite	Mesa, Arizona, United States Onsite	Jan 20, 2026
Ground Engineer, Crushing - Chloride Full Time · $37K-$52K/yr Chloride or Kingman · Onsite	Chloride or Kingman Onsite	Jan 17, 2026
Loader Operator, Crushing - Dolan Springs Full Time · $50K-$58K/yr · 2+ YOE Kingman, Arizona, United States · Onsite	Kingman, Arizona, United States Onsite	Jan 16, 2026
Loader Operator, Crushing - Chloride, AZ Full Time · $50K-$58K/yr · 2+ YOE Chloride, Arizona, United States · Onsite	Chloride, Arizona, United States Onsite	Jan 14, 2026
Foreman / Crew Supervisor (Aggregates & Mining Operations) Full Time · $70K-$95K Tucson or Mesa · Onsite	Tucson or Mesa Onsite	Jan 13, 2026
Portable Ground Laborer, Rock Crushing (Surface Mining) Full Time Mesa, Arizona, United States · Onsite	Mesa, Arizona, United States Onsite	Aug 14, 2025
Portable Heavy Equipment Operator III, Rock Crushing (Surface Mining) Full Time · 3+ YOE Mesa, Arizona, United States · Onsite	Mesa, Arizona, United States Onsite	Aug 14, 2025
Portable Plant Foreman, Rock Crushing (Surface Mining) Full Time · 3+ YOE Mesa, Arizona, United States · Onsite	Mesa, Arizona, United States Onsite	Aug 14, 2025

Activities	Surface miningRock crushingAggregate productionStone quarryingLandscape material distribution
Headquarters	US
Industries	MiningConstruction Materials
Name	Rock Pros USA
Employees	120
Type	Private
Subsidiaries	Kalamazoo Materials
Tagline	Mines and sells decorative stones and landscape aggregates.
Founded	1,998
Website	rockprosusa.com

Rock Pros USA

About Rock Pros USA