The Quarry Heavy Equipment Operator is responsible for the efficient and safe operation of construction equipment, including but not limited to, excavators, bulldozers and off-road trucks. The Heavy Equipment Operator works in coordination with our projects to deliver work that align to the organization’s strategic vision and closely with the superintendents, and the rest of operations team for all projects. The position requires the exercise of discretion, decision making and independent judgment. This is a full-time hourly position. Quarry is in Jackson, Missouri. 

Job Responsibilities but not limited: 

• Operate heavy equipment in compliance with project specifications, the company's operating safety policies and procedures. 

• Ensure company equipment, material, and the work site are maintained, kept clean, and stored in a safe manner. Collect and dispose of scrap, excess materials, and refuse. 

• Observe distribution of material to adjust machine settings or material flow and indicate low spots for workers to add material. 

• Complete required paperwork, reporting, and other documentation. 

• Understand and follow directions from supervisors as to required work area. 

• Performs pre and post inspections and performs minor maintenance of the equipment. 

• Performs assignments as directed or as responsibilities necessitate. 

• Performs general labor duties when necessary. 

• Recognize the importance of safety on the job site. Always ensure awareness of ground crew. 

• Attend daily and weekly safety meetings and inspections. 

Qualifications and Skills: 

• Minimum 5 years’ experience of operating equipment at a Quarry. 

• Experience working on and performing daily inspections and maintenance on a variety of equipment. 

• Ability to understand and efficiently carry out instructions. 

• Must have knowledge of occupational hazards, safety precautions and safety rules and regulations and learn client and company policies.

 • Strong verbal communication skills. 

• Must pass all company and other required drug and alcohol tests. 

• Be a team player, with a willingness to assist in a variety of roles on the site. 

• Travel to project locations is required. 

• Must be able to work in different weather conditions and temperatures. 

• Must be able to walk, climb, stand, sit, move body into different positions with full mobility for different periods of time. 

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The Southern Stone Company is looking for Quarry Maintenance personnel to perform maintenance on mining equipment such as but not limited to crushers, beltlines, screens and heavy equipment. The maintenance personnel will perform a variety of activities to prevent downtime. This would include but not limited to stick welding, repairs, troubleshooting, and parts/tool tracking. This position will work a 10-to-12-hour night shift starting at 4pm at the Quarry located in Jackson, Missouri and will report to the Quarry Manager. 

Job Responsibilities: 

• Determining the root cause of the malfunction and taking necessary steps to correct effectively. 

• Performing repair maintenance activities, preventive maintenance and troubleshooting to support production and prevent downtime. 

• Responsible for following all safety policies and procedures to ensure the safety of yourself and coworkers. 

• Take corrective action to minimize downtime, tracking maintenance completed and parts inventory. 

• Work closely with Quarry Management to complete task safety, timely and within budget. 

Job Qualifications and Requirements: 

• Must be able to pass a drug test 

• Must have valid forms of identification 

• Must be able to demonstrate the following skills safety and effectively 

o Problem Solving o Troubleshooting 

o Stick Welding 

o Mechanical Repairs 

o Electrical and Fabrication knowledge/abilities 

• Ability to perform all repairs that are required timely, safely and within budget. 

• Strong communication skills including verbal and written. 

• Ability to work outdoors in harsh weather conditions such as but not limited to extreme temperatures, wind, rain and snow. 

• Full mobility range of body including but not limited to walking, standing, sitting, lifting, climbing and more for extended periods of time. 

• Have a positive team attitude.

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The Southern Stone Company is seeking a Stevedore for the equipment inside of the Quarry located in Jackson, MO. This position requires individuals to operate equipment to transfer and move cargo around ship or dock area. Take initiative to identify safety issues and perform all tasks in a safe manner. This position will report to the Quarry Manager and to the Quarry site in Jackson Missouri. 

Job Responsibilities but not limited to: 

• Operate a variety of construction equipment such as but not limited to a skid steer, excavator and more. 

• Load barges at all docks and correct drafts.

 • Take steps to load barges with minimal spillage. 

• Spot and recognize unsafe conditions on vessels and barges. 

• Follow and implement safety policies and procedures of the company. 

• Assist with routine maintenance on the dock. 

• Report any fluids that enter the river. 

• Keep walkways and travel ways clear of lines, tools, and debris. 

• Communicate well with pilot, deckhands, truck drivers, and other vessels in fleet. 

• Change cables and put eyes in cable. 

• Knowledge of product size to assure quality of product going on barge. 

• Recognize barges that may be potential problems while loading. 

• Complete another task as assigned. 

Requirements: 

• Working experience in this role or similar. 

• Must be able to pass a drug test upon hire. 

• Must be able to work 12-hour shifts, weekends, or overtime as needed. 

• Must be able to work in extreme weather conditions, hot and cold, in a safe and productive manner. 

• Must be able to safety lift up to 50lbs. 

• Must be able to climb ladders, stairs, and perform repetitive bending and stooping when required. 

• Good knowledge of river safety. 

• Must be able to pass MSHA training provided upon hire. 

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The Southern Stone Company is looking to add a Quarry Crusher Mechanic to the team that would be responsible for the maintenance, repair, and operation of the rock crushing machinery and other associated equipment. This role requires a solid understanding of mechanical systems, hydraulic systems, and electrical systems to ensure that all machinery operates efficiently and safely, contributing to the overall productivity and operational success of the Quarry. This is a full-time position that reports to the Quarry Manager onsite in Jackson, Missouri. 

Job Responsibilities but not limited to 

• Conduct routine inspections, diagnostics, and preventive maintenance on crushing equipment, including jaw crushers, cone crushers, impact crushers, conveyors of all sizes. • Troubleshoot mechanical, hydraulic, and electrical issues, perform repairs as necessary to minimize downtime and ensure continuous operation. Replace worn or damaged components including belts, bearings, skirt board rubber, and other critical parts while adhering to safety protocols. 

• Assist with the setup and dismantling of machinery for new projects or site relocations. Ensure that all equipment operates at peak efficiency and within regulatory compliance. 

• Maintain accurate records of maintenance activities, repairs completed, and parts inventory to support operational efficiency and budgeting. Report any significant mechanical issues or safety concerns to management in a timely manner, recommending solutions or corrective actions. 

• Work closely with other mechanics, operators, and management to foster a collaborative work environment focused on safety and productivity. 

• Adhere to all safety protocols and regulations set forth by the company and MSHA regulations, ensuring a safe working environment for all personnel. Participate in safety meetings and training sessions to stay informed on current safety practices and equipment operation standards. 

• Identify areas for improvement in equipment performance and maintenance procedures, contribute ideas to enhance operational efficiency. 

• Stay updated on industry trends and advancements in rock crushing technology to recommend potential upgrades or new equipment investments. 

• Complete other job task as assigned by the Quarry Manager. 

Job Qualifications and Requirements 

• High school diploma or equivalent required technical certification in mechanics, industrial maintenance, or a related field preferred. 

• Proven experience as a mechanic, in the quarry or sand and gravel, mining or heavy equipment industry, with a strong emphasis on rock crushers.

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The Southern Stone Company is currently hiring a dependable and safety-conscious Haul Truck Driver to operate heavy-duty haul trucks for transporting rock, overburden, and other materials within our rock quarry. The ideal candidate will have experience of operating rigid frame trucks in a mining or quarry environment and a strong commitment to following safety procedures and operational guidelines. This full-time position is in Jackson, Missouri and reports to the Quarry Manager. 

Key Responsibilities but not limited to:

• Operate large rigid frame haul trucks to transport materials such as rock, aggregate, and overburden throughout the quarry site. 

• Conduct daily pre-operational checks and routine maintenance (fueling, cleaning, checking fluid levels). 

• Follow all site-specific safety and company policies. 

• Maintain open communication with equipment operators, pit loaders, and scale house staff to ensure efficient operation. 

• Monitor truck systems and report any mechanical issues or hazards to maintenance or supervisors. 

• Maintain a clean and organized cab and report any damage or concerns. • Accurately record haul counts, load weights, and other relevant data as required. 

• Work in varying weather conditions and uneven terrain. 

• Support general site operations as needed, including cleanup or assisting with other equipment when required. 

Job Requirements and Qualifications 

• High school diploma or equivalent preferred. 

• Previous experience operating rigid frame haul trucks (CAT 777, Komatsu HD605, or similar) in a mining or quarry setting required. 

• Familiarity with heavy equipment pre-op inspections and basic maintenance. 

• Strong awareness of safety standards (MSHA/OSHA preferred). • Ability to work well in a team and communicate effectively. 

• Must be physically fit and able to climb in and out of large trucks multiple times a day. 

• Must have valid forms of identification. 

• Outdoor work environment in all weather conditions. 

• Exposure to noise, dust, and heavy machinery. 

• Physically demanding work (sitting for extended periods, climbing, lifting) 

• Rotating day/night shifts or overtime may be required.

• Ability to pass a pre-employment drug screen and background check. 

• Requires wearing personal protective equipment (PPE) such as hard hats, safety glasses, steel-toed boots, hearing protection, etc.

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At The Southern Stone Company, the HSI Crusher Operator is responsible for the safe, efficient operation and maintenance of the Horizontal Shaft Impact (HSI) crusher used in the production of aggregate material. This role involves operating equipment to crush rock into specified sizes, performing basic maintenance, ensuring quality control, and supporting overall quarry production efforts. This fulltime position is in Jackson, Missouri and reports to the Quarry Manager. 

Job Responsibilities but not limited to:

• Operate and monitor the HSI crusher and associated equipment to produce high-quality aggregate products. 

• Inspect equipment before and after operation to ensure it is in proper working condition. 

• Perform routine maintenance on the crusher, including changing blow bars, greasing bearings, replacing belts, and cleaning components. 

• Adjust settings on the crusher to ensure material size meets production specifications. 

• Monitor conveyor belts and chutes for material flow and potential issues. 

• Conduct visual inspections and record production data such as material sizes, tonnage, and down-time. 

• Assist with clearing jams and blockages in the crushing circuit. 

• Communicate effectively with loader operators, plant personnel, and supervisors to maintain consistent feed and output. 

• Ensure compliance with safety, environmental, and operational standards and procedures. 

• Report any mechanical issues or safety concerns to management immediately. 

• Operate other quarry equipment (loaders, skid steers, etc.) as needed. 

Job Qualifications and Requirements:

• High school diploma or equivalent preferred. 

• Minimum 1–3 years of experience operating crushers or similar heavy equipment in a quarry or mining environment. 

• Familiarity with HSI crusher operation and maintenance highly preferred. 

• Mechanical aptitude and troubleshooting 

• Ability to read and interpret safety manuals, work instructions, and technical documents. 

• Strong awareness of safety practices in a mining or industrial setting. 

• Physical stamina to work in outdoor environments and lift up to 50 lbs regularly. 

• Exposure to dust, noise, vibrations, and extreme weather conditions. 

• Requires wearing personal protective equipment (PPE) such as hard hats, safety glasses, steeltoed boots, hearing protection, etc. 

• Regularly required to climb ladders, bend, squat, and stand for long periods. 

• Valid forms of identification 

• Ability to pass a pre-employment drug screen and background check. 

• Willingness to work overtime, weekends, and shifts as needed.

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