Mississippi Lime jobs - 73 jobs

Job Title: Heavy Equipment Operators - Underground Mine Pay: $20.00/hour for first 30 days, then ability to increase up to $32.62/hour Why consider a career at MLC? * Highly collaborative work environment focused on growth and innovation * Safety and sustainability are top priorities * Excellent compensation, benefits, generous perks; focused on employee wellbeing * Great development and advancement opportunities * Bring your real self to work, come grow with us! Mississippi Lime operates the largest lime facility in the Americas and mines some of the purest limestone reserves in the world…and we're global! The company is committed to development and employee satisfaction. Join our outstanding team! About the Job MLC has various heavy equipment in the underground mine such as: Haul truck, loader, skid steer, mechanical scaler, grader, and jumbo and crawler drills. * Haul stone or screenings to specific locations within the mine. * Load product on haul trucks for transportation to the crushing plant. * Operate the boom scaler to safely and productively remove loose material in the mine. * Grade roads as required. * Drill heading and roof holes for powderman to load. * Perform pre-shift and post-shift inspections. Required Qualifications * High School Diploma or equivalent * Heavy equipment operating experience (preferred) * Ability to work days, evenings, and midnights, including weekends and holidays. The Fine Print Benefits and perquisites may vary based on the nature and location of each job. About Mississippi Lime Company Mississippi Lime Company ("MLC"), headquartered in St. Louis, Mo., is a leading global supplier of high-calcium lime products and technical solutions. These offerings bring essential performance and value to a broad range of market applications, including metals, construction, chemical synthesis, water and emissions treatment, glass, textiles, plastics, rubber, agriculture, foods and beverages. With over a century in business, MLC has built a reputation on the quality of its products and services, as well as an unwavering commitment to safety, sustainability and service. The company's expanding global footprint includes a diversified, reliable network of production and distribution facilities in the U.S., as well as in the UK through our Singleton Birch business. For more information, visit ************

The Precoat Metals Washington Plant is the newest, state-of-the-art facility in the Precoat Metals family. After breaking ground in 2023 and successfully launching production in 2025, we are rapidly scaling up. We are actively building our team and seeking dedicated Production Workers for both entry level and skilled operator level jobs to staff our site for 24/7 operations. Since 1961, Precoat Metals (**************** has been setting the standards in the coil coatings industry worldwide. We are committed to this level of quality in both our product line and customer service, and focus our resources on investigating and implementing new coil coating technologies, developing unique coatings, ink and film systems, and designing multifaceted prints while reducing the cycle time to market. We are able to achieve this "culture of excellence" thru the hard work and talent of the people on our team. Job Description The Operations Support role is a vital part to the overall operations to the plant. And the experience you have may make you a perfect fit to join our team at our Washington, MO plant. You will be called upon to assist with, and may be assigned work in, any area of the plant, including coating lines, slitting, shipping, receiving, paint vault, and packaging. Want to take your career to the next level? Working at Precoat Metals can take you down a career path of multiple opportunities, including opportunity to move into more skilled Line Operator positions. Start your success down a great career path today with Precoat Metals! Some of your Responsibilities include: Retrieves and transports bare coils and maintains flow of metal to lines by safely operating cranes, fork lifts, and upenders without damaging material or equipment. Trims, packages and bands finished coils according to customer specifications using proper skids, bands, pads, and wrapping materials. Inspects coils and identifies and reports defects. Reads and interprets production schedules. Accurately identifies proper skid and package specified on schedules. Reads and accurately records coil weights, order numbers, etc. Loads or unloads received or shipped coils onto or off of trucks. Starting Pay Rate $20.84/hr Opportunities for advancement to operator positions with pay rates between $28.64 to $35.36/hr. Qualifications As the selected candidate, you will need a high school level reading and writing, visual acuity to read labels, meters, gauges, documents and instructions, in addition to the following: Ability to read and comprehend written materials such as schedules, SOPs, work rules, etc. Ability to effectively communicate with all members of team. Ability to safely operate small manual and electric hand tools. Available to work up to 12 hours per day on rotating shifts, that could include weekends and holidays. Additional Information We are an equal opportunity employer. Precoat Metals is a Drug Free Workplace. INDHP We are an Equal Opportunity Employer. Precoat Metals is a Drug Free Workplace We are an Equal Opportunity Employer. Precoat Metals is a Drug Free Workplace

Since 1961, Precoat Metals (**************** has been setting the standards in the coil coatings industry worldwide. We are committed to this level of quality in both our product line and customer service, and focus our resources on investigating and implementing new coil coating technologies, developing unique coatings, ink and film systems, and designing multifaceted prints while reducing the cycle time to market. We are able to achieve this "culture of excellence" thru the hard work and talent of the people on our team. Job Description Are you focused on process quality, continuous improvement, claims management, and training to ensure operations meet or exceed external and internal quality requirements? If you answered yes, then our Regional Quality Manager is the career opportunity for you. Together with the Regional General Manager, Vice President - Manufacturing and Vice President - Quality & Technical Service you'll develop and execute actionable plan and priorities for our Eastern region. This position can be based at our St. Louis Facility. As the selected RQM, you will ensure that the region is: Adhering to quality control plan, with specific parameters developed pursuant to customer demands Driving compliance with process quality assurance protocols Evaluating & implementing corrective actions Ensuring new technology is successfully implemented & embraced Identifying opportunities to assist customers & provide value-added services Partnering with corporate resource to ensure ISO procedures are being implemented & followed Additionally, you will be Actively participating in trials for region; ensuring "critical-to-quality" factors are addressed prior to run Ensuring corrective action effectiveness & assisting plants with identifying quality improvement initiatives Developing & training plant quality team & technical service staff; ensuring standard work is in place for each position; identifying competency gaps & providing training or resources to correct Directing technical service reps - ensuring claims are handled in timely manner, appropriate corrective actions are implemented, and reps are partnering with plants to resolve problems Evaluating & implementing best practices across region Identifying opportunities for kaizen events and leading and/or overseeing effective implementation Identifying systemic problems in region, specifying projects related to those areas and following up to measure progress Reviewing claims set to be denied to ensure research is completed accurately Qualifications What education, skills & experience will you need to take the regions quality to the next level? Bachelor's Degree in Metallurgy and/or Material Sciences. Master's in Metallurgy and/or Material Sciences Degree preferred. 7-10 years progressive quality management experience in a coil coating setting and/or an equivalent combination of education and experience. Blackbelt strongly preferred - will be required within 24 months of assuming the position. Professional demeanor. Communicates well with all levels of management. Ability to quickly learn new tasks. Must be flexible and able to balance priorities. Strong oral and written communication skills, strong interpersonal/negotiation skills. Good organizational skills. Must be willing to work in a plant environment, Must be able to travel up to 50% with limited notice. Apply Today Additional Information We are an Equal Opportunity Employer. Precoat Metals is a Drug Free Workplace INDHP We are an Equal Opportunity Employer. Precoat Metals is a Drug Free Workplace

The Financial Planning Analyst (FP&A) will be a critical team member responsible for performing budgeting, forecasting, and financial analysis to support senior management decision-making. This role involves analyzing historical data, identifying trends, and developing financial models to project future performance. The FP&A Analyst will collaborate with various departments to drive financial discipline and strategic growth. Key Responsibilities: * Budgeting and Forecasting: Assist in the preparation of the annual budget and periodic financial forecasts (e.g., monthly, quarterly, rolling forecasts) by working with department heads to gather and consolidate financial data. * Financial Modeling: Develop and maintain complex financial models to support strategic initiatives and capital investment decisions. * Performance Analysis: Conduct in-depth analysis of individual plant financial performance by comparing actual results to budgets and forecasts. Provide detailed variance explanations and commentary to management. * Reporting: Prepare and deliver regular management reports, including monthly financial dashboards and presentations. * Business Partnering: Work closely with cross-functional teams, such as sales, engineering and operations, to provide financial insights and support their decision-making processes. * Ad-Hoc Analysis: Perform special projects and ad-hoc financial analysis as requested by management. * Continuous Improvement: Identify and implement improvements to existing financial processes and reporting to enhance efficiency and accuracy. * Travel: Must be able to travel by car or plane to company, customer and vendor locations to address company business as needed. Such travel may involve overnight stays of one or more nights.

Join our company with a 160-year history, and together we'll build a better future. $17.75/hour 5% targeted monthly bonus. Insurance benefits start day 1. 80 hours vacation after 90 days. On-the-job training with career growth opportunities. The Doe Run Company is seeking a Chemical Lab Clerk to prepare, analyze, and report all production samples. This day shift position will be located at the Quentin J Schmidt Lab in Viburnum, MO. Education & Experience: * Minimum high school diploma or equivalent. * No prior experience required. * Minimum one year of experience in a lab setting preferred. * Valid driver's license Knowledge, Skills & Abilities: * Computer skills, including ability to use Microsoft Office (Excel, Word, etc.) * Basic knowledge of quality control standards preferred. Responsibilities: * Assist with sample preparation activities such as weighing, labeling, and organizing materials for analysis. * Prepare and maintain standards, reagents, and solutions used in testing. * Prepare, run, and report on samples collected from various sample streams following established methods and quality standards. * Maintain and clean laboratory equipment and tools to ensure readiness for use. * Complete tasks in a safe and environmentally compliant manner by following EHS (environmental, health, and safety) policies, procedures, and best practices; support and assist peers in working in a safe, compliant manner; report unsafe acts or conditions, incidents, and deviations; and provide feedback to support continuous improvement in EHS performance. * Other duties as assigned. Work Environment, Physical & Lifting: * Frequently required to wear personal protective equipment, including but not limited to a respirator, hearing protection, and eyewear, and to work near moving, mechanical parts. Moderate noise level. * Regularly requires standing, walking, reaching with hands/arms, and repetitive movement; frequently requires grasping and pushing; occasionally requires feeling attributes of objects, driving, stooping, kneeling, crouching, and climbing. Clarity of vision at 20 inches or less; Precise hand-eye coordination; Ability to identify and distinguish colors. * Regularly required to lift to 15 pounds; frequently required to lift up to 40 pounds; occasionally required to lift up to 50 pounds; rarely required to lift up 75 pounds. Based in St. Louis, Missouri, USA, The Doe Run Company is a privately held natural resources company and a global provider of lead, copper, and zinc concentrates. Dedicated to environmentally responsible mineral and metal production, Doe Run operates the Resource Recycling facility, one of the world's largest, single-site lead recycling centers, located in Boss, Missouri. The company also owns six operating mines in one of the world's largest lead mining districts, also in Missouri: Brushy Creek, Buick, Casteel, Fletcher/West Fork, Mine 29/Viburnum and Sweetwater. The Doe Run Company, and its subsidiaries deliver products and services necessary to provide power, protection, and convenience. Doe Run has operations in Missouri, Washington, and Arizona. For more information, visit *************** Doe Run is an Equal Opportunity Employer, including disability and veterans.

Since 1961, Precoat Metals (**************** has been setting the standards in the coil coatings industry worldwide. We are committed to this level of quality in both our product line and customer service, and focus our resources on investigating and implementing new coil coating technologies, developing unique coatings, ink and film systems, and designing multifaceted prints while reducing the cycle time to market. We are able to achieve this "culture of excellence" thru the hard work and talent of the people on our team. Job Description This is a great opportunity for individuals who strive to inspire and empower employees to deliver customer value through exceptional quality and unparalleled service. Using your strong leadership & communication skills, you will supervise & coordinate day to day activities of production workers on a shift. You will be responsible for safety, quality, production, shipping & receiving, and maintenance on an assigned shift. Some of your responsibilities will include the following: Inspects products to verify conformance to specifications and directs setup and adjustments of machines. Studies production schedules and estimates worker hour requirements for completion of job assignment. Establishes or adjusts work procedures to meet production schedules. Using your continuous improvement mindset, recommends measures to improve production methods, equipment performance & quality of product. Suggests changes in working conditions and use of equipment to increase efficiency of shop, department, or work crew. Analyzes and resolves work issues and assists & coaches employees in solving work problems. Maintains time and production records. Collaborates with other management to coordinate production activities with other departments. Responsible for documenting shift incidents and accidents Improve production goals & KPIs Qualifications As the selected candidate, you will have the following experience: 3 to 5 years in a plant environment. HS Diploma or equivalent required. College degree a plus. Process control experience a plus. Steel, slitting, coil coating, and other steel related experience strongly preferred Strong mechanical aptitude Ability to train, motivate, and direct production employees. Ability to work long & irregular hours in response to customer demands and production matters. Willing and able to work an afternoon or night shift position Excellent communication & leadership abilities Additional Information Great Benefits Day 1 INDHP We are an Equal Opportunity Employer. Precoat Metals is a Drug Free Workplace

Are you a student looking for an opportunity to gain hands-on experience that will prepare you for your engineering, technical, or mining career? Then our paid summer internship position at Doe Run in Viburnum/Boss/Bixby/Centerville/Ellington, MO area may be a great opportunity. Pay is $21.50/hr. The Doe Run Company's Southeast Missouri Mining & Milling Division (SEMO), located near Viburnum, MO (in the heart of the Mark Twain National Forest), is responsible for locating and extracting lead ore. The work takes place far below Earth's surface, some 1,000 feet beneath the forested hills of southern Missouri. This area, rich in mineral deposits, is known as the Viburnum Trend. Named for the nearby town of Viburnum, mining and milling has taken place here for more than 40 years. While best known for having high-purity lead ore, SEMO also extracts zinc and copper minerals from underground mines. We are currently seeking Summer 2026 Interns to assist the Maintenance department with various related activities and projects. Deliver a fresh perspective and valuable business solutions while enhancing the student's application of education and providing occupational experience within their degree program. The work location may change as needed to support production and business needs within the Viburnum Trend in Southeast Missouri. Job Responsibilities: * Assist with project management tasks, data analysis, and research to support project deliverables. * Collaborate with team members to understand assigned departments and/or operations. * Field work to support and understand business and overall operational processes. * Complete tasks in a safe and environmentally compliant manner by following EHS (environmental, health, and safety) policies, procedures, and best practices; support and assist peers in working in a safe, compliant manner; report unsafe acts or conditions, incidents, and deviations; and provide feedback to support continuous improvement in EHS performance. * Other duties as assigned. Education & Experience: * Currently enrolled in an accredited college pursuing a bachelor's degree relevant to the Maintenance department, Mechanical or Electrical Engineering. * Completed at least 24 hours of college coursework preferred. * Minimum cumulative GPA of 2.2. * Minimum 18 years of age. * Valid driver's license. Knowledge, Skills, & Abilities: * Proficient computer skills (Microsoft Office and other systems related to project assignments. * Ability to apply educational knowledge to operational needs. * Analytical and problem-solving skills to support project planning. * Communication skills to collaboratively interact with operators and business leaders. Environmental Conditions, Physical & Lifting Requirements: * Regularly use a computer/tablet, phone/radio, and personnel carrier; Occasionally uses loading/hauling equipment; Rarely uses non-powered tools or equipment. * Regularly works in an office setting. BRRD, SEMO, EXPL operations: Frequently required to work in wet, humid conditions (non-weather); Occasionally exposed to outdoor weather conditions, exposed to vibration, and work near mechanical parts. Rarely required to work in confined spaces, wear a respirator, and work at heights of 4 feet or more with fall protection. May be exposed to loud noise levels. Frequently wear a respirator (BRRD). * Regularly required to talk and hear; Occasionally required to stand, walk, drive, use repetitive motion and reach with hands/arms, use a repetitive wrist, hand, and finger movement. Rarely required to sit, grasp, stoop, kneel, crouch, crawl, climb, or balance, Requires clarity of vision at 20 feet or more and three-dimensional vision. Requires precise hand-eye coordination and the ability to distinguish colors. * Regularly required to lift up to 5 pounds; Frequently required to lift 6-15 pounds; Occasionally required to lift 16-50 pounds; Rarely lift up to 75 pounds. Based in St. Louis, Missouri, USA, The Doe Run Company is a privately held natural resources company and a global provider of lead, copper, and zinc concentrates. Dedicated to environmentally responsible mineral and metal production, Doe Run operates the Resource Recycling facility, one of the world's largest, single-site lead recycling centers, located in Boss, Missouri. The company also owns six operating mines in one of the world's largest lead mining districts, also in Missouri: Brushy Creek, Buick, Casteel, Fletcher/West Fork, Mine 29/Viburnum and Sweetwater. The Doe Run Company and its subsidiaries deliver products and services necessary to provide power, protection, and convenience. Doe Run has operations in Missouri, Washington, and Arizona. For more information, visit *************** Doe Run is an Equal Opportunity Employer, including disability and veterans.

Are you a student looking for an opportunity to gain hands-on experience that will prepare you for your Recycling Operations career? Then our paid summer internship position at Doe Run in Boss, MO, may be a great opportunity. Pay is $21.50/hr. Located in Boss, MO, the Resource Recycling Division is the largest secondary lead smelter in the world. Since its opening in 1991, the division and its employees have steadily increased the amount of lead-bearing material they recycle each year. The state-of-the-art recycling facility is the most advanced, environmentally sound, and safest of its kind in North America. Each year, the facility recycles and recovers more than 100,000 tons of refined lead. We are currently seeking Summer 2026 Interns to assist the respective assigned EHS department with various related activities and projects. Deliver a fresh perspective and valuable business solutions while enhancing the students' application of education and providing occupational experience within their degree program. This position is located at our Buick Resource Recycling Division in Boss, MO. Job Responsibilities: * Assist with project management tasks, data analysis, and research to support project deliverables. * Collaborate with team members to understand assigned departments and/or operations. * Field work to support and understand business and overall operational processes. * Complete tasks in a safe and environmentally compliant manner by following EHS (environmental, health, and safety) policies, procedures, and best practices; support and assist peers in working in a safe, compliant manner; report unsafe acts or conditions, incidents, and deviations; and provide feedback to support continuous improvement in EHS performance. * Other duties as assigned. Education & Experience: * Currently enrolled in an accredited college pursuing a bachelor's degree relevant to the EHS department. * Completed at least 24 hours of college coursework preferred. * Minimum cumulative GPA of 2.2. * Minimum 18 years of age. * Valid driver's license. Knowledge, Skills, & Abilities: * Proficient computer skills (Microsoft Office and other systems related to project assignments. * Ability to apply educational knowledge to operational needs. * Analytical and problem-solving skills to support project planning. * Communication skills to collaboratively interact with operators and business leaders. Environmental Conditions, Physical & Lifting Requirements: * Regularly use a computer/tablet, phone/radio, and personnel carrier; Occasionally uses loading/hauling equipment; Rarely uses non-powered tools or equipment. * Regularly works in an office setting. BRRD, SEMO, EXPL operations: Frequently required to work in wet, humid conditions (non-weather); Occasionally exposed to outdoor weather conditions, exposed to vibration, and work near mechanical parts. Rarely required to work in confined spaces, wear a respirator, and work at heights of 4 feet or more with fall protection. May be exposed to loud noise levels. Frequently wear a respirator (BRRD). * Regularly required to talk and hear; Occasionally required to stand, walk, drive, use repetitive motion and reach with hands/arms, use a repetitive wrist, hand, and finger movement. Rarely required to sit, grasp, stoop, kneel, crouch, crawl, climb, or balance, Requires clarity of vision at 20 feet or more and three-dimensional vision. Requires precise hand-eye coordination and the ability to distinguish colors. * Regularly required to lift up to 5 pounds; Frequently required to lift 6-15 pounds; Occasionally required to lift 16-50 pounds; Rarely lift up to 75 pounds. Based in St. Louis, Missouri, USA, The Doe Run Company is a privately held natural resources company and a global provider of lead, copper, and zinc concentrates. Dedicated to environmentally responsible mineral and metal production, Doe Run operates the Resource Recycling facility, one of the world's largest, single-site lead recycling centers, located in Boss, Missouri. The company also owns six operating mines in one of the world's largest lead mining districts, also in Missouri: Brushy Creek, Buick, Casteel, Fletcher/West Fork, Mine 29/Viburnum and Sweetwater. The Doe Run Company and its subsidiaries deliver products and services necessary to provide power, protection, and convenience. Doe Run has operations in Missouri, Washington, and Arizona. For more information, visit *************** Doe Run is an equal opportunity employer, including disability and veterans.

At The Doe Run Company, our jobs help supply minerals and metals that support our way of life. $21.28/hour 5% targeted monthly bonus. Insurance benefits start day 1. 80 hours vacation after 90 days. On-the-job training with career growth opportunities. The Doe Run Company is seeking a Mill Operator I to learn to safely and effectively assist in mill operations that produce all finished concentrates. This rotating shift position will be located at Brushy Creek Mill in Boss, MO. The work location may change as needed to support production and business needs within the Viburnum Trend in Southeast Missouri. Education & Experience: High school diploma or equivalent, preferred. No experience required, some industrial experience preferred. Experience operating skid steer loaders, forklifts, and larger loaders preferred. Valid driver's license. Knowledge, Skills, & Abilities: Ability to read a micrometer and a tape measure. Ability to safely drive a forklift or other mobile equipment and become certified (forklift). Environmental safety and health rules and regulations training (MSHA) training. Basic math skills. Responsibilities: Perform daily preventative maintenance tasks. Assist mill operators with mixing mill reagents. Maintain and clean work area. Complete all daily end-of-shift housekeeping tasks. Assist the mill operators II and III in the processing of all finished concentrate products. Operate wheel loaders to load ore into the process and load concentrate trucks. Complete tasks in a safe and environmentally compliant manner by following EHS (environmental, health, and safety) policies, procedures, and best practices; support and assist peers in working in a safe, compliant manner; report unsafe acts or conditions, incidents, and deviations; and provide feedback to support continuous improvement in EHS performance. Perform other duties as assigned. Work Environment, Physical & Lifting: Regularly works near moving, mechanical parts; occasionally works in confined spaces, is required to wear personal protective equipment, including but not limited to, a respirator, hearing protection, steel-toe boots, and eyewear, and works at heights of four feet or more with fall protection. Regularly exposed to vibration; frequently exposed to outdoor weather conditions and extreme heat; occasionally exposed to wet, humid conditions and extreme cold. Works rotating shifts. Exposed to moderate noise levels. Regularly requires talking, hearing, standing, walking, reaching with hands/arms, and repetitive movement; frequently requires feeling attributes of objects, grasping, pushing, and driving; Occasionally requires stooping, kneeling, crouching, crawling, and climbing or balancing. Requires clarity of vision, three-dimensional vision, the ability to judge distance and spatial relationships, precise hand-eye coordination, and the ability to identify and distinguish colors. Regularly required to lift up to 50 pounds; occasionally required to lift up to 100+ pounds. Based in St. Louis, Missouri, USA, The Doe Run Company is a privately held natural resources company and a global provider of lead, copper, and zinc concentrates. Dedicated to environmentally responsible mineral and metal production, Doe Run operates the Resource Recycling facility, one of the world's largest, single-site lead recycling centers, located in Boss, Missouri. The company also owns six operating mines in one of the world's largest lead mining districts, also in Missouri: Brushy Creek, Buick, Casteel, Fletcher/West Fork, Mine 29/Viburnum and Sweetwater. The Doe Run Company and its subsidiaries deliver products and services necessary to provide power, protection, and convenience. Doe Run has operations in Missouri, Washington, and Arizona. For more information, visit *************** Doe Run is an Equal Opportunity Employer, including disability and veterans.

We take pride in supplying the essential minerals that keep our country safe, strong, and moving forward. $21.28/hour 5% targeted monthly bonus. Insurance benefits start day 1. 80 hours vacation after 90 days. On-the-job training with career growth opportunities. The Doe Run Company is seeking a Mine Trainee to learn how to perform any production job in the mine safely. This is a rotating shift position is located at Fletcher Underground in Centerville, MO. The work location may change as needed to support production and business needs within the Viburnum Trend in Southeast Missouri. Education & Experience: High School Diploma or equivalent, preferred. 0-6 months of work experience Ability to obtain ATF clearance. Knowledge, Skills & Abilities: Learn how to work safely in the mine environment. Demonstrated ability to be productive and maintain quality standards. Learn how to operate mobile and stationary equipment. Learn to use hand tools. Ability to understand and follow written and verbal instruction. Responsibilities: Safely and efficiently hand scale or mechanically scale mine back and roof bolt, as needed Crush ore and run skip pocket as needed Gain a general knowledge of the mining cycle, including drilling, blasting, and mucking. Perform associated support jobs such as, transportation of explosives, operating a forklift, and preventative maintenance. Learn basic maintenance, equipment cleaning, and underground housekeeping tasks needed to perform efficiently in the mine environment. Conduct a pre-shift and work area inspection to ensure the work location and the equipment are safe and functioning properly. Perform other duties as assigned. Work Environment, Physical and Lifting: Regularly works underground and is exposed to moving, mechanical parts. Frequently exposed to wet, humid conditions, and works at heights of four feet or more, with fall protection. May work in confined spaces. Occasionally exposed to vibration and required to wear personal protective equipment, including, but not limited to, a respirator, hearing protection and eyewear. Required to work rotating shifts up to 7 days per week. Exposed to loud noise levels. Regularly requires hearing, feeling attributes of objects, grasping, pushing, standing, walking, driving, and reaching with hands/arms; frequently requires talking and repetitive movement; occasionally requires sitting, stooping, kneeling, crouching, crawling, and climbing or balancing. Requires clarity of vision, three-dimensional vision, the ability to judge distance and spatial relationships, precise hand-eye coordination, and the ability to identify and distinguish colors. Regularly required to lift up to 25 pounds; frequently required to lift up to 50 pounds; occasionally required to lift up to 100 pounds. Based in St. Louis, Missouri, USA, The Doe Run Company is a privately held natural resources company and a global provider of lead, copper, and zinc concentrates. Dedicated to environmentally responsible mineral and metal production, Doe Run operates the Resource Recycling facility, one of the world's largest, single-site lead recycling centers, located in Boss, Missouri. The company also owns six operating mines in one of the world's largest lead mining districts, also in Missouri: Brushy Creek, Buick, Casteel, Fletcher/West Fork, Mine 29/Viburnum and Sweetwater. The Doe Run Company and its subsidiaries deliver products and services necessary to provide power, protection, and convenience. Doe Run has operations in Missouri, Washington, and Arizona. For more information, visit *************** Doe Run is an equal opportunity employer, including disability and veterans.

Job Title: Electrical and Instrumentation Technician Pay: $37.58/hr Why consider a career at MLC? * Highly collaborative work environment focused on growth and innovation * Safety and sustainability are top priorities * Excellent compensation, benefits, generous perks; focused on employee wellbeing * Great development and advancement opportunities * Bring your real self to work, come grow with us! Mississippi Lime operates the largest lime facility in the Americas and mines some of the purest limestone reserves in the world…and we just went global! The company is committed to development and employee satisfaction. Join our outstanding team! About the Job Looking for a company that sparks your interest? Our E/I Technicians are responsible for installation, calibration, operation, maintenance, and repair of various instrumentation devices and electrical equipment including control systems, transformers, and motor control centers in a heavy industrial environment. * Operation of valves, controllers, transmitters, positioners, PLC's, pneumatic, electronic, and hydraulic lines. * Operation and troubleshooting of motors, motor starters, motor controllers, inverters, electrical switchgear, lighting and all electrical circuits from DC up to and including 4160V. * Perform basic calibration of instruments on process and utility equipment. * Basic troubleshooting and repair of process controllers, plant equipment, and laboratory instruments. * Configure and repair microprocessor-based instruments and controllers utilizing available instructions and manuals. * Ensure that calibration paperwork, instrument files, electrical files, E&I drawings, and work order documentation is complete with accurate information. Required Qualifications * High school diploma or equivalent * The ability to pass an aptitude test in industrial Electrical/Instrumentation functions and complete a training program. * Two years electrical or electrician experience in manufacturing or industrial environment * Basic reading, writing and arithmetic skills Preferred Qualifications * Technical degree, certification or equivalent The Fine Print Benefits and perquisites may vary based on the nature and location of each job. Click here for MLC EEO information About Mississippi Lime Company Mississippi Lime Company ("MLC"), headquartered in St. Louis, Mo., is a leading global supplier of high-calcium lime products and technical solutions. These offerings bring essential performance and value to a broad range of market applications, including metals, construction, chemical synthesis, water and emissions treatment, glass, textiles, plastics, rubber, agriculture, foods and beverages. With over a century in business, MLC has built a reputation on the quality of its products and services, as well as an unwavering commitment to safety, sustainability and service. The company's expanding global footprint includes a diversified, reliable network of production and distribution facilities in the U.S., as well as in the UK through our Singleton Birch business.

We are Doe Run - producing metals and recycling batteries for a clean energy future. Based in St. Louis, Missouri, The Doe Run Company is a privately held natural resources company and one of the largest lead producers in the Western Hemisphere. Dedicated to environmentally responsible mineral and metal production, Doe Run has facilities in Missouri, Washington, and Arizona and operates one of the world's largest, single-site lead recycling facilities, located in Boss, MO.  Using innovative mining techniques, Doe Run skillfully taps one of the largest lead deposits in the world. As stewards of the mineral resources in our care, we strive to provide premium services and products to people who share our belief in enhancing the quality of life. You may view our sustainability report located at ********************************** The Doe Run Company is currently seeking an Environmental Specialist to assist the Environmental Compliance Supervisor's efforts to maintain compliance with state and federal environmental regulations by ensuring proper data collection, analysis, and reporting. The position is located at our Buick Resource Recycling Division in Boss, MO. We Offer: Competitive base pay plus opportunities for bonus pay. Benefits that start day one, including insurance, paid time off, and discount programs. Career growth opportunities plus training and education assistance. Responsibilities: Compliance: Completing compliance monitoring, permitting, and reporting for operations sites. Act as subject matter expert regarding protocols and compliance with relevant regulations and policies including CWA, RCRA, CAA, PDW, ISO, TAOC, and other internal and external requirements. Field Work: Provide support to and troubleshoot all environmental sampling and analysis for operations sites including meteorological stations, air monitoring, and permitting NPDES monitoring. Analysis: Read, interpret, and remain current on governmental regulations, especially any monitoring requirements. Project Management: Implement and manage projects to enhance sampling and analysis. Implement Systems: Develop and implement systems to manage programs or day-to-day activities of the workforce across all environmental functions. Conduct waste stream characterization, annual/biennial reporting, exception reporting, waste reduction program, shipments, data entry, inspections, training implementation and program management, labeling, manifest tracking, and filing. Complete tasks in a safe and environmentally compliant manner by following EHS (environmental, health, and safety) policies, procedures, and best practices; support and assist peers in working in a safe, compliant manner; report unsafe acts or conditions, incidents, and deviations; and provide feedback to support continuous improvement in EHS performance. If supervising, maintain EHS (environmental, health, and safety) compliance by holding direct reports accountable for adherence to EHS policies, procedures, and best practices; evaluating employee EHS performance via field observations and document review; reporting and correcting unsafe acts or conditions, incidents, and deviations; and providing feedback to support continuous improvement in EHS performance. Other duties as assigned. Education & Experience: Minimum Bachelor's degree in Environmental Science/Engineering/Chemistry (or related degree) or equivalent work experience. OSHA safety training preferred. Valid driver's license. Knowledge, Skills & Abilities: Proficient in Microsoft Office Suite, Excel, Word, and PowerPoint. Proficient knowledge of data collection systems, software, and hardware. Basic knowledge of applicable Federal, State, and local laws and regulations. Basic knowledge of current environmental best management practices and compliance techniques/technologies. Work Environment & Physical Requirements: Regularly required to use telephone/radio and computer/tablet. Work is performed in a standard office setting and outdoors. Occasionally exposed to outdoor weather conditions and vibrations. Occasionally required to work around heavy equipment. Required to wear PPE including respirator, head protection, eye protection, and foot protection, and required to work near moving mechanical parts. Regularly required to sit for extended periods of time, talk, and hear; Occasionally required to use repetitive motion and reach with hands/arms. Requires clarity of vision and three-dimensional vision. Occasionally required to lift up to 75 pounds. Doe Run is an equal opportunity employer, including disability and veterans.

Are you ready to be part of a team that powers the nation? Join The Doe Run Company. Based in St. Louis, Missouri, The Doe Run Company is a privately held natural resources company and one of the largest lead producers in the Western Hemisphere. Dedicated to environmentally responsible mineral and metal production, Doe Run has facilities in Missouri, Washington, and Arizona and operates one of the world's largest, single-site lead recycling facilities, located in Boss, MO.  Using innovative mining techniques, Doe Run skillfully taps one of the largest lead deposits in the world. As stewards of the mineral resources in our care, we strive to provide premium services and products to people who share our belief in enhancing the quality of life. You may view our sustainability report located at ********************************** The Doe Run Company is currently seeking a Mine Superintendent to oversee all aspects of the mining process including safety and environmental compliance, cost effectiveness, and production efficiency. Help establish and meet targeted short and mid-range operational goals and budgets of the assigned site. This position will be based out of our Brushy Creek Mine in Boss, MO. The work location may change as needed to support production and business needs within the Viburnum Trend in Southeast Missouri. We Offer: Competitive base pay plus opportunities for bonus pay. Benefits that start day one, including insurance, paid time off, and discount programs. Career growth opportunities plus training and education assistance. Responsibilities: Work with management, peers, and relevant departments to establish short-term and long-term mine plans, strategies, and tactics. Work through front-line leaders to ensure operational goals are communicated and implemented effectively. Monitor success through reporting on a daily basis and address with front-line leaders on an ongoing basis. Work through front-line leaders to ensure performance management and employee development needs are addressed in a timely manner to meet the labor needs of assigned mine. Collaborate and communicate with the site team on a daily basis to address issues that will impact production or the mill. Complete the yearly budgeting process for the department, track results, and make adjustments as needed. Oversee state and federal mine inspections and complete necessary documentation for MSHA inspections. Respond to findings and strive to improve inspection results. Empower supervisors and other direct reports to maintain EHS (environmental, health, and safety) compliance by establishing expectations, and holding teams accountable for adherence to EHS policies, procedures, and best practices; evaluating employee performance via field and document audits; reporting and correcting unsafe acts or conditions, incidents, and deviations; and participating in the continuous improvement in EHS performance through management systems. Other duties as assigned. Education & Experience: Bachelor's Degree in Mining Engineering or related engineering field preferred. Minimum 10 years mine operations management experience and capital project management. MSHA certification preferred. Valid driver's license. Knowledge, Skills & Abilities: Proficient computer skills, including Microsoft Office (Excel, Word, etc.), Budgeting (Adaptive), Invoicing/Accounts Payable (DataServ) HR Systems (UKG), Drafting (AutoCAD), I-Series (LIMS, ETMS), Tableau, and PeopleSoft. Extensive knowledge of and proven ability to adhere to MSHA mine safety regulations. Proven ability to employ mining best practices and adherence to safe practices and regulations. Ability to communicate effectively. Work Environment & Physical Requirements: Regularly uses a computer/tablet, phone/radio, and drive a personnel carrier. Rarely required to use powered or non-powered hand tools and loading/hauling equipment. Requires concentrated attention. Frequently required to work underground, work in outdoor weather conditions. Occasionally work near moving mechanical parts, exposed to vibration, wet, humid (non-weather) conditions. Rarely work in confined spaces and wear a respirator, work at heights of 4' for more with fall protection. May be exposed to loud noise levels. Regularly required to sit, talk, and hear. Frequently required to stand, walk, drive, and use repetitive motion with wrist, hand, and/or fingers. Occasionally required to sit for extended periods of time, rarely required to reach with hands/arms, feel attributes of objects, grasp, push, climb or balance, stoop, kneel crouch, or crawl. Requires clarity of vision at 20 feet or more and 20 inches or less, and three-dimensional vision, ability to identify and distinguish colors. Occasionally required to lift up to 50 pounds. Rarely required to lift 51+ pounds. Doe Run is an Equal Opportunity Employer, including disability and veterans.

Job Title: Human Resources Coordinator Why consider a career at MLC? MLC was recognized by Newsweek as one of America's Greatest Workplaces in 2024. * Highly collaborative work environment focused on growth and innovation * Safety and sustainability are top priorities * Excellent compensation, benefits, generous perks; focused on employee wellbeing * Great development and advancement opportunities * Bring your real self to work, come grow with us! MLC operates the largest lime facility in the Americas and mines some of the purest limestone reserves in the world…and we are global! The company is committed to development and employee satisfaction. Join our outstanding team! About the Job The Human Resource Coordinator assists with processes that support various functions within the human resources department. This role will provide recruiting services and administrative support in effort to create efficiencies and provide internal customer satisfaction. * Responds to internal customers' emails and phone calls related to general inquiries, benefits, hiring process, etc. Refers more complex questions to appropriate senior-level HR team members. * Enters hourly discipline in HRIS. Sends discipline information to the union. * Assists with the recruitment process. Administers hourly maintenance assessments and schedules interviews. Provides support with scheduling and reimbursement of candidate travel. * Reviews candidate background reports through Sterling/First Advantage for compliance. Completes E-verify within I9 management for new hires * Assists with scheduling new hire orientations, new supervisor training, benefits orientation, etc. * Requests and tracks referral and retention bonus payouts. * Prepares and maintains the integrity and confidentiality of human resource files, records, and documentation. Performs periodic audits of HR files and records to ensure that all required documents are collected and filed appropriately. * Assists with maintaining and updating process documents related to recruiting and onboarding. Schedules and monitors New Hire Retention Program steps. Coordinates department-specific training, meetings, etc. * Reviews and selects competencies for new roles with hiring leaders and ensures entry into ADP. * Handles administration of employee separation (email, personnel file, termination checklist). * Plans and oversees various employee events such as service awards (including new hire service awards), retirement functions, holiday celebrations, etc. * Enters bid information into HRIS system for hourly workforce. * Administers the attendance program for assigned location, prepares and distributes reports, recommends disciplinary actions for policy violations. Determines Emergency Days and Perfect Attendance awards for the union workforce. * Schedules and monitors New Hire Retention Program steps. * Performs other duties as assigned. Required Qualifications * Education: Associate degree required; bachelor's degree in human resources or related field preferred. * Experience: At least two years of related experience required. * SHRM-CP credential or similar credentials preferred. * Skills: Proficient with Microsoft Office Suite. Excellent verbal and written communication skills. Excellent organizational skills and attention to detail. Excellent time management skills with a proven ability to meet deadlines. Familiarity with laws, regulations, and best practices applicable to hiring and recruitment. * Behaviors: Excellent interpersonal skills with the ability to manage sensitive and confidential situations with tact, professionalism, and diplomacy. Proactive and independent with the ability to take initiative. Ability to function well in a high-paced and at times stressful environment. The Fine Print Benefits and perquisites may vary based on the nature and location of each job. Click here for MLC EEO information About MLC MLC, headquartered in St. Louis, Mo., is a leading global supplier of high-calcium lime products and technical solutions. These offerings bring essential performance and value to a broad range of market applications, including metals, construction, chemical synthesis, water and emissions treatment, glass, textiles, plastics, rubber, agriculture, foods and beverages. With over a century in business, MLC has built a reputation on the quality of its products and services, as well as an unwavering commitment to safety, sustainability and service. The company's expanding global footprint includes a diversified, reliable network of production and distribution facilities in the U.S., as well as in the UK through our Singleton Birch business. For more information, visit *********************

Are you a student looking for an opportunity to gain hands on experience that will prepare you for your Accounting career? Then our paid Summer internship position may be a great opportunity. This position will be based out of our Central Office in Viburnum, MO or at our Buick Resource Recycling Division in Boss, MO. Pay is $21.50/hr. We are currently seeking Summer 2026 Interns to assist the Accounting department with various related activities and projects. Deliver a fresh perspective and valuable business solutions while enhancing the students' application of education and providing occupational experience within their degree program. Job Responsibilities: Assist with project management tasks, data analysis, and research to support project deliverables. Collaborate with team members to understand assigned departments and/or operations. Field work to support and understand business and overall operational processes. Complete tasks in a safe and environmentally compliant manner by following EHS (environmental, health, and safety) policies, procedures, and best practices; support and assist peers in working in a safe, compliant manner; report unsafe acts or conditions, incidents, and deviations; and provide feedback to support continuous improvement in EHS performance. Other duties as assigned. Education & Experience: Currently enrolled in an accredited college pursuing a bachelor's degree or higher relevant to Accounting. Completed at least 24 hours of college coursework preferred. Minimum cumulative GPA of 2.2. Minimum 18 years of age. Valid driver's license. Knowledge, Skills, & Abilities: Proficient computer skills (Microsoft Office and other systems related to project assignments. Ability to apply educational knowledge to operational needs. Analytical and problem-solving skills to support project planning. Communication skills to collaboratively interact with operators and business leaders. Environmental Conditions, Physical & Lifting Requirements: Regularly use a computer/tablet, phone/radio, and personnel carrier; Occasionally uses loading/hauling equipment; Rarely uses non-powered tools or equipment. Regularly works in an office setting. BRRD, SEMO, EXPL operations: Frequently required to work in wet, humid conditions (non-weather); Occasionally exposed to outdoor weather conditions, exposed to vibration, and work near mechanical parts. Rarely required to work in confined spaces, wear a respirator, and work at heights of 4 feet or more with fall protection. May be exposed to loud noise levels. Frequently wear a respirator (BRRD). Regularly required to talk and hear; Occasionally required to stand, walk, drive, use repetitive motion and reach with hands/arms, use a repetitive wrist, hand, and finger movement. Rarely required to sit, grasp, stoop, kneel, crouch, crawl, climb, or balance, Requires clarity of vision at 20 feet or more and three-dimensional vision. Requires precise hand-eye coordination and the ability to distinguish colors. Regularly required to lift up to 5 pounds; Frequently required to lift 6-15 pounds; Occasionally required to lift 16-50 pounds; Rarely lift up to 75 pounds. Based in St. Louis, Missouri, USA, The Doe Run Company is a privately held natural resources company and a global provider of lead, copper, and zinc concentrates. Dedicated to environmentally responsible mineral and metal production, Doe Run operates the Resource Recycling facility, one of the world's largest, single-site lead recycling centers, located in Boss, Missouri. The company also owns six operating mines in one of the world's largest lead mining districts, also in Missouri: Brushy Creek, Buick, Casteel, Fletcher/West Fork, Mine 29/Viburnum and Sweetwater. The Doe Run Company and its subsidiaries deliver products and services necessary to provide power, protection, and convenience. Doe Run has operations in Missouri, Washington, and Arizona. For more information, visit *************** Doe Run is an Equal Opportunity Employer, including disability and veterans.

Join our company with a 160-year history, and together we'll build a better future. Starting pay is $26.04/hour 5% targeted monthly bonus. Insurance benefits start day 1. 80 hours vacation after 90 days. On-the-job training with career growth opportunities. Are you a mechanic looking for a new maintenance opportunity? The Doe Run Company is seeking a mobile equipment mechanic in order to ensure process safety and minimize division downtime. This night shift position at Fletcher Underground is located in Centerville, Mo. The work location may change as needed to support production and business needs within the Viburnum Trend in Southeast Missouri. Education & Experience: * Successful completion of an industrial maintenance course or auto technology course or one year of auto repair experience or industrial maintenance experience. * High School Diploma or equivalent, preferred. * Valid, current driver's license. Knowledge, Skills & Abilities: * Familiarity with divisional operations (i.e., mining, milling, smelting). * Basic mechanical skills. * Ability to operate mobile equipment, including cranes, forklifts, skid steer loaders, etc. * Familiarity with metal fabrication, hydraulics/pneumatics, refractory work, bearings/seals, welding, pipe fitting, pump repair, and mechanical repairs. * Basic computer skills and diagnostic skills, including knowledge of Microsoft Office programs and willingness to learn time management and financial software. * Basic literacy skills. * Ability to learn to read schematics/blueprints. * Demonstrated skill in using small hand tools, measuring, and basic mathematical calculations. Responsibilities: * Troubleshoot equipment problems. * Provide scheduled maintenance and repairs. * Manage time to provide effective, timely, and efficient repair and maintenance service. * Install new equipment and modify existing equipment as required per job site. * Complete tasks in a safe and environmentally compliant manner by following EHS (environmental, health, and safety) policies, procedures, and best practices; support and assist peers in working in a safe, compliant manner; report unsafe acts or conditions, incidents, and deviations; and provide feedback to support continuous improvement in EHS performance. * Perform other duties as assigned. Work Environment, Physical & Lifting: * Regularly required to wear personal protective equipment, including respirator, hearing protection and eyewear. Frequently works near moving, mechanical parts, exposed to outdoor weather conditions, loud noise levels, and vibration. Occasionally exposed to wet, humid conditions and extreme heat. * Regularly requires hearing, reaching with hands/arms, stooping, kneeling, crouching, crawling, and climbing or balancing. Frequently requires talking, feeling attributes of objects, grasping, standing, walking, driving, repetitive movement, and moving up and down from/to sitting a position on the floor. Occasionally requires sitting and pushing. Requires clarity of vision at 20 feet or more and 20 inches or less, three-dimensional vision, the ability to judge distance and spatial relationships, precise hand-eye coordination, and the ability to identify and distinguish colors. * Regularly required to lift up to 15 pounds; frequently required to lift up to 25 pounds; occasionally required to lift up to 100 pounds. Based in St. Louis, Missouri, USA, The Doe Run Company is a privately held natural resources company and a global provider of lead, copper, and zinc concentrates. Dedicated to environmentally responsible mineral and metal production, Doe Run operates the Resource Recycling facility, one of the world's largest, single-site lead recycling centers, located in Boss, Missouri. The company also owns six operating mines in one of the world's largest lead mining districts, also in Missouri: Brushy Creek, Buick, Casteel, Fletcher/West Fork, Mine 29/Viburnum and Sweetwater. The Doe Run Company, and its subsidiaries deliver products and services necessary to provide power, protection, and convenience. Doe Run has operations in Missouri, Washington, and Arizona. For more information, visit *************** Doe Run is an Equal Opportunity Employer, including disability and veterans.

Job Title: Project Manager Why consider a career at MLC? MLC was recognized by Newsweek as one of America's Greatest Workplaces in 2025. * Highly collaborative work environment focused on growth and innovation * Safety and sustainability are top priorities * Excellent compensation, benefits, generous perks; focused on employee wellbeing * Great development and advancement opportunities * Bring your real self to work, come grow with us! MLC operates the largest lime facility in the Americas and mines some of the purest limestone reserves in the world…and we are global! The company is committed to development and employee satisfaction. Join our outstanding team! About the Job The Project Manager role is assigned to a particular plant or area in the company. The Project Manager supplies support for capital spending, major outages, and minor maintenance projects in that area. They collaborate closely with the Finance Department to assess the feasibility of investing capital in projects, navigate and expedite projects through the capital approval process, and help the areas plan and justify their capital spending. Key function of the position is to manage the project, not necessarily to fully engineer project. * Supervise and lead the capital spending processes in the assigned area * Project Justification: quickly perform preliminary feasibility studies and perform ROI calculations with minimal input from finance * Expediently give feedback to shareholders on project costs and project benefits. * Project Implementation: * Oversee and manage engineering resources to ensure project success. * Identify stakeholders for each project, communicate with them, and manage expectations. * Provide construction management supervision and represent MLC in the project construction phase. Ensure MLC Engineering standards and Safety standards are followed throughout the entire project timeline. * Define the scopes of work and provide project cost estimates for construction and engineering. * Prepare bid packages, solicit bids, evaluate bids, and issue requisitions for materials * Maintain compliance with all State and Federal Environmental Laws and Regulations in the design of repairs to equipment or the installation of new systems. * Issue project schedules and periodic reports on capital project activities in accordance with established policy. * Communicate activities with other corporate functions, including Safety and Health, Environmental Affairs, Purchasing, and Sales, to ensure timely information exchange and coordination of work. * Work with Purchasing to acquire quotations for equipment and services. * Project Execution and Close: track project costs and notify appropriate spending approaches of approved spending limits in accordance with established policy. Report costs monthly on active projects, notifying management immediately if the project will go over cost by more than 10%. Ensure that when the project is almost over, all stakeholders are still satisfied and getting what they desire. * Kiln Shutdowns: give assistance with kiln, accept assignments from the Area Maintenance, aid wherever needed during the outage * Participate in prioritization of work * Build technical troubleshooting skills in manufacturing personnel * Train and develop Co-Op/Interns. Participate in interviewing and staffing development of the Co-Op Program * Assist in the management of external resources * Identify and address gaps in manufacturing personnel capabilities. * Develops systems to train and transfer support of plant requirements to operators and supervisors to improve operating discipline to begin cost savings/improvement projects. * Audit all policies and standards. Supports/completes site wide safety audits * Employees are expected to perform other responsibilities as needed. Required Qualifications * Education: A bachelor's degree is required; Mechanical Engineering is preferred. * Experience: 8 to 10 years' experience in project management preferred. 5 years' experience in heavy industrial project management is required * Certifications: Certification from the Project Management Institute is preferred * Abilities: Ability to effectively communicate with all functional groups and through all levels of MLC. Ability to utilize project management and other engineering tools to optimize project execution. Ability to respond decisively to emergencies, as well as exercise sound judgment in problem-solving. The Fine Print Benefits and perquisites may vary based on the nature and location of each job. Click here for MLC EEO information About MLC MLC, headquartered in St. Louis, Mo., is a leading global supplier of high-calcium lime products and technical solutions. These offerings bring essential performance and value to a broad range of market applications, including metals, construction, chemical synthesis, water and emissions treatment, glass, textiles, plastics, rubber, agriculture, foods and beverages. With over a century in business, MLC has built a reputation on the quality of its products and services, as well as an unwavering commitment to safety, sustainability and service. The company's expanding global footprint includes a diversified, reliable network of production and distribution facilities in the U.S., as well as in the UK through our Singleton Birch business. For more information, visit *********************

Are you a student looking for an opportunity to gain hands-on experience that will prepare you for your Recycling Operations career? Then our paid summer internship position at Doe Run in Boss, MO, may be a great opportunity. Pay is $21.50/hr. Located in Boss, MO, the Resource Recycling Division is the largest secondary lead smelter in the world. Since its opening in 1991, the division and its employees have steadily increased the amount of lead-bearing material they recycle each year. The state-of-the-art recycling facility is the most advanced, environmentally sound, and safest of its kind in North America. Each year, the facility recycles and recovers more than 100,000 tons of refined lead. We are currently seeking Summer 2026 Intern to assist the Project Engineering department with various related activities and projects. Deliver a fresh perspective and valuable business solutions while enhancing the students' application of education and providing occupational experience within their degree program. This position is located at our Buick Resource Recycling Division in Boss, MO. Job Responsibilities: * Assist with project management tasks, data analysis, and research to support project deliverables. * Collaborate with team members to understand assigned departments and/or operations. * Field work to support and understand business and overall operational processes. * Complete tasks in a safe and environmentally compliant manner by following EHS (environmental, health, and safety) policies, procedures, and best practices; support and assist peers in working in a safe, compliant manner; report unsafe acts or conditions, incidents, and deviations; and provide feedback to support continuous improvement in EHS performance. * Other duties as assigned. Education & Experience: * Currently enrolled in an accredited college pursuing a bachelor's degree relevant to the Mechanical, Electrical Engineering, Industrial department. * Completed at least 24 hours of college coursework preferred. * Minimum cumulative GPA of 2.2. * Minimum 18 years of age. * Valid driver's license. Knowledge, Skills, & Abilities: * Proficient computer skills (Microsoft Office and other systems related to project assignments. * Ability to apply educational knowledge to operational needs. * Analytical and problem-solving skills to support project planning. * Communication skills to collaboratively interact with operators and business leaders. Environmental Conditions, Physical & Lifting Requirements: * Regularly use a computer/tablet, phone/radio, and personnel carrier; Occasionally uses loading/hauling equipment; Rarely uses non-powered tools or equipment. * Regularly works in an office setting. BRRD, SEMO, EXPL operations: Frequently required to work in wet, humid conditions (non-weather); Occasionally exposed to outdoor weather conditions, exposed to vibration, and work near mechanical parts. Rarely required to work in confined spaces, wear a respirator, and work at heights of 4 feet or more with fall protection. May be exposed to loud noise levels. Frequently wear a respirator (BRRD). * Regularly required to talk and hear; Occasionally required to stand, walk, drive, use repetitive motion and reach with hands/arms, use a repetitive wrist, hand, and finger movement. Rarely required to sit, grasp, stoop, kneel, crouch, crawl, climb, or balance, Requires clarity of vision at 20 feet or more and three-dimensional vision. Requires precise hand-eye coordination and the ability to distinguish colors. * Regularly required to lift up to 5 pounds; Frequently required to lift 6-15 pounds; Occasionally required to lift 16-50 pounds; Rarely lift up to 75 pounds. Based in St. Louis, Missouri, USA, The Doe Run Company is a privately held natural resources company and a global provider of lead, copper, and zinc concentrates. Dedicated to environmentally responsible mineral and metal production, Doe Run operates the Resource Recycling facility, one of the world's largest, single-site lead recycling centers, located in Boss, Missouri. The company also owns six operating mines in one of the world's largest lead mining districts, also in Missouri: Brushy Creek, Buick, Casteel, Fletcher/West Fork, Mine 29/Viburnum and Sweetwater. The Doe Run Company and its subsidiaries deliver products and services necessary to provide power, protection, and convenience. Doe Run has operations in Missouri, Washington, and Arizona. For more information, visit *************** Doe Run is an equal opportunity employer, including disability and veterans.

Job Title: Safety Specialist Why consider a career at MLC? MLC was recognized by Newsweek as one of America's Greatest Workplaces in 2024. * Highly collaborative work environment focused on growth and innovation * Safety and sustainability are top priorities * Excellent compensation, benefits, generous perks; focused on employee wellbeing * Great development and advancement opportunities * Bring your real self to work, come grow with us! MLC operates the largest lime facility in the Americas and mines some of the purest limestone reserves in the world…and we are global! The company is committed to development and employee satisfaction. Join our outstanding team! About the Job The Safety Specialist is responsible for the execution of MLC safety systems and culture for Ste. Genevieve operations. Understand and assist in the development, execution, and measurement of safety goals, metrics and KPI's. Work with and assist other members of the safety & health department, as needed. * Stay current on safety and health regulations. Provide guidance for compliance with current MLC and governmental safety rules and regulations for all management, supervision and work force. * Work with safety pillar teams to address employee reports of unsafe acts or conditions and follow up to ensure any problems are resolved in a timely manner. Facilitate the sharing of best practices and areas of opportunity for safety pillar teams. Work with employees to risk rank major tasks and develop defenses where needed for those that represent significant risk. * Through learning teams, execute outstanding response and corrections to significant deviations/errors and preventive actions to reduce the likelihood and severity of future incidents. Work with employees to develop new and update existing Safety Standards, as necessary. * Conduct periodic inspections of plants, mines, and contractor work, to ensure working conditions and practices are in compliance with all safety rules and regulations. Consult with department management, and supervision on any safety violations noted, and provide guidance for corrective action. The primary responsibility of Safety Personnel is guidance; however, they have the authority to suspend work in an area or with equipment if required safety standards and/or safe work practice are being violated. * Coordinate safety inspections with regulatory agencies (primarily MSHA), in addition to Management and Labor unions. Accompany inspectors on all inspections and report proceedings of inspection activities, including following up to ensure any discrepancies are addressed and corrected, and closing out meetings after inspections. * Maintain and administer current Safety Incentive Programs and develop new programs as needed. Maintain continued interest in safety by promoting safety through communications. * Respond to emergencies as necessary, including off shifts, holidays, and weekends. Record reports of injury and arrange for medical treatment and transportation if required. Arrange for light duty work of injured employee and monitor their return to work. Report injuries to the Worker Compensation carrier and MSHA as necessary. Assist with workman's compensation cases, reporting, testifying etc * Develop/maintain an Industrial Hygiene Sampling Program to be compliant with MSHA/OSHA regs. (Noise, Dust, DPM and Welding Fume) and advise all plant management nationwide on compliance issues. Maintain proficiency in the use of instruments used for health monitoring in the workplace. Take periodic samples to ensure compliance with standards. * Develop and maintain monthly reports for the Safety Department. Data management required. Develop and conduct OSHA and MSHA training as necessary. Develop and conduct additional safety training programs as necessary. * Employees are expected to perform other responsibilities, as needed. Required Qualifications * Education: BS/BA Degree in Safety or equivalent safety experience required. MSHA Training Instructor Certification (IS, IU) a plus. * Experience: Previous MSHA and/or OSHA manufacturing experience preferred. Underground mining experience desired. * Certifications: MSHA Training Instructor Certification (IS, IU) a plus. * Skills: Attention to detail. Proficiency in MS Word, PowerPoint and Excel, web based safety data systems like Dakota. Practical proficiency in Industrial Hygiene sampling and monitoring. * Abilities: Ability to work and communicate well with personnel at all levels of the organization. * Behavior: Action Oriented, Customer Focus, Collaborates, Instills Trust, Values Differences, Manages Complexity, Drives Engagement, Cultivates Innovation, Resourcefulness, Self-Development, Tech Savvy. The Fine Print Benefits and perquisites may vary based on the nature and location of each job. Click here for MLC EEO information About MLC MLC, headquartered in St. Louis, Mo., is a leading global supplier of high-calcium lime products and technical solutions. These offerings bring essential performance and value to a broad range of market applications, including metals, construction, chemical synthesis, water and emissions treatment, glass, textiles, plastics, rubber, agriculture, foods and beverages. With over a century in business, MLC has built a reputation on the quality of its products and services, as well as an unwavering commitment to safety, sustainability and service. The company's expanding global footprint includes a diversified, reliable network of production and distribution facilities in the U.S., as well as in the UK through our Singleton Birch business. For more information, visit *********************