Referso Jobs

Operateurs (trices) de Concasseur

Rio Tinto · Posted Nov 9, 2026

Open

Canga, Beyla, Guinea

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Operateurs (trices) de Concasseur

Rio Tinto · Posted Nov 9, 2026

Open

Canga, Beyla, Guinea

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Lab Technician

Mariana Minerals · Posted Nov 6, 2026

Open

Moab, Utah, United States

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Support safe, efficient and high-quality process development studies and analytical tests in a production lab at a working mine.

Responsibilities

Drive ore handling, including crushing, sorting by particle size and taking representative samples
Prepare samples for analysis using techniques such as digestion, dilution and filtration
Perform elemental and compositional analysis of solid and liquid samples using ICP, NMR, XRF, titrators or similar analytical techniques
Document analytical results in laboratory information systems and maintain clear experimental records and material metrics using digital tools
Follow strict environmental, health and safety protocols

Skills

ICP NMR XRF titrators chemical processing pumps columns instrumentation crushers

Second Shift Maintenance Tech / Plant Operator

Rogers · Posted Nov 6, 2026

Open

Bloomington, Indiana, United States
On-site
Full-time
$25–$25 per hour

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Operate and monitor an aggregates plant facility and perform routine maintenance and repair tasks during the second shift.

Compensation

Pay: Starting at $24.61 per hour

Responsibilities

Operate and monitor an aggregates plant facility
Routine equipment/plant maintenance
Involved with plant improvement projects
Inspect and perform daily repairs and maintenance on plant
Inspect and maintain crushers, conveyors, screens, and other equipment

Skills

maintenance experience welding cutting mechanical aptitude OSHA compliance MSHA compliance crushers conveyors screens

Benefits

Quarry Operative

Breedon Group plc · Posted Nov 6, 2026

Open

Leyburn, North Yorkshire, United Kingdom
On-site
Full-time · Entry

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We are looking for a reliable and hardworking Quarry Operative to join our quarrying team. In this hands-on role, you’ll assist in the extraction, processing, and handling of aggregates and materials to meet production targets safely and efficiently.

Compensation

A tailored, competitive salary

Responsibilities

Operate mobile and fixed plant (e.g. dump trucks, loading shovels, crushers, screeners) in a safe and efficient manner
Assist in the extraction, crushing, and processing of raw materials
Carry out routine checks, cleaning, and basic maintenance on machinery and equipment
Load and unload materials safely for transport or further processing
Follow daily work schedules and production instructions from supervisors

Requirements

MPQC or NVQ Level 2 in Extractives Operations
Nice to have: CPCS card
Nice to have: MPQC card
Nice to have: Previous experience in quarrying, construction, mining, or similar heavy industry
Nice to have: First Aid

Skills

Competence in operating plant or machinery (e.g. loading shovel, excavator, dumper truck)Basic mechanical knowledge

Construction Materials Technician Apprenticeship (Level 3) - Holcim (Fixed Plant)

Tiro · Posted Nov 6, 2026

Open

Hillhead, Devon, United Kingdom
On-site
Internship · Entry
£19K per year

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This is a fantastic opportunity to start your career in a hands-on Technical Apprenticeship at Holcim's Hillhead Quarry in Devon, learning how construction materials are extracted, processed and quality-checked.

Compensation

Starting salary of £18,500 per year (increasing to National Minimum/Living wage after 12 months if applicable), plus bonus

Responsibilities

Support day-to-day operations of the quarry's fixed plant equipment
Ensure materials are processed safely and meet required quality standards
Learn how to work safely in a busy quarry environment
Follow health and safety procedures
Understand how aggregates are extracted and processed

Requirements

Level 3 qualification

Skills

Basic maths Safety-conscious Detail-focused Teamwork Crushers Screens Conveyor systems

Maintainer - CHPP (Mechanical)

Whitehaven Coal · Posted Nov 5, 2026

Open

Gunnedah, New South Wales, Australia +1 more

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Mechanical Maintainer for the Narrabri CHPP maintenance team.

Locations (2)

Gunnedah, New South Wales, Australia
Narrabri, New South Wales, Australia

Responsibilities

Undertake mechanical maintenance activities on shift as needed
Work collaboratively with crew members, assisting where required and be a positive influence in high-performance behaviour in the workplace
Support site HSEC policy and procedures, following safe work procedures as set out for the work process
Inspection of the work area and plant for hazards, damage and defects
Contribute to improvement projects around the CHPP

Skills

Mechanical trade certification Boilermaker Working at heights

Mechanic/Welder

Rogers · Posted Nov 6, 2026

Open

Glen Rose, Texas, United States

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Responsible for plant maintenance, millwright work, mobile equipment repair, welding and fabrication, and travel between company locations to perform scheduled maintenance and respond to equipment breakdowns.

Responsibilities

Install, assemble, align, and repair crushers, screens, conveyors, feeders, pumps, and wash plant equipment
Inspect, adjust, and replace bearings, rollers, pulleys, belts, gearboxes, drive assemblies, and other plant components
Perform preventive maintenance, including lubrication, belt tracking and tension adjustments, and inspection of wear parts
Diagnose and repair mechanical, hydraulic, and electrical issues on loaders, excavators, haul trucks, and other mobile equipment
Perform preventive maintenance and replace worn or damaged components such as hydraulic hoses, cylinders, belts, and filters

Requirements

Nice to have: Maintenance experience in sand and gravel, mining, or similar industrial setting
Nice to have: Trade training or certification in millwright work, welding, or heavy equipment repair
Nice to have: Previous MSHA training

Skills

Stationary plant equipment repair Mobile heavy equipment repair Mechanical troubleshooting Hydraulic troubleshooting Basic electrical troubleshooting Welding Cutting Fabricating metal components Reading equipment manuals and diagrams Independent work Site safety procedures Travel between company locations Crushers Screens

Benefits

Medical, Dental, Vision Insurance
Health Savings Account
Group Life and Accidental Death & Dismemberment insurance
Retirement 401(k) with company contribution and match at one year of service
Short- and Long-Term Disability

See full job description

Plant Operator

Luck Companies · Posted Nov 4, 2026

Open

Boscobel, Wisconsin, United States
On-site
Full-time

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Operate and maintain plant equipment to maximize production and ensure safety.

Compensation

The estimated range is the budgeted amount for this position. Final offers are based on various factors, including skill set, experience, location, qualifications and other job-related reasons.

Responsibilities

Conduct a pre-shift inspection of the plant
Assist with preventative and reactive maintenance: changing screens, greasing, changing rollers, belt splices, rebuilding crushers, welding, and fabrication
Consistently inspect and monitor the plant to ensure proper operation
Assist with other site projects as requested by management and team members
Flexibly assist team members as needed with other projects

Skills

Operating conveyors Maintenance of conveyors and motors Basic welding or torch skills crushers conveyors screens feeders

Field Service Fitter

Continental Car Services · Posted Feb 20, 2024

Open

Toowoomba, Queensland, Australia

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Field Service Fitter with experience in commercial engines, servicing Caterpillar equipment in the oil and gas and construction/mining sectors.

Compensation

A competitive hourly rate and competency based pay increases

Responsibilities

Repair, diagnostics and maintenance on Caterpillar equipment
Use Caterpillar Diagnostic Systems (ET Vims, SIMSi and SIS)
Complete all repairs and maintenance in a safe and timely manner
Plan and organise daily service requirements
Maintain and complete all paperwork associated with job completion

Skills

Caterpillar Diagnostic Systems Caterpillar commercial engines Diesel Fitter Gas engine maintenance Stationary equipment maintenance Crushers Compressors Pumps

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