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Material Supervisor
Greendale, INMarch 25th, 2026
DescriptionAs the Material Supervisor, you will manage the daily warehousing, inventory, and distribution activities in the Greendale, IN Bulk Plant for the Supply Chain Department. Establish and maintain the inventory control process and maintain appropriate procedures and documentation for physical inventories. If an inventory inaccuracy arises somewhere within the plant, you actively investigate the root cause and work with operations to create solutions that both fix the issue and prevent it from happening again. Whenever possible, you identify areas for improvement and develop ways to increase our operations.In addition, they will be responsible to build a strong culture based on collaborative hands-on teamwork and continuous improvement in support of"OUR HOUSE"initiatives.ESSENTIAL DUTIES AND RESPONSIBILITIESStrategic FunctionsDrive the overall performance of the warehouse expeditors including process and procedure adherence, team productivity, compliance & customer satisfaction
Manage day to day operations of the warehouse materials and inventory transactions by conducting physical inventories both daily and weekly cycle counts.
Perform research and analysis of root cause of inaccuracies and work with all support personnel to resolve process problems.
Works directly with operations, finance, manufacturing, sales, purchasing and quality assurance.
Process Work in Process orders and follow through to completion of order and shipment.
Works closely with Sales and Customer Service to remain current on customer expectations, order status and preparation of shipments.
Processes all documentation for inventory control and supports quality audit documentation.
Manages and report end of the month physical inventory WIP
Analyzes and creates corrective and improving activities for inventory adjustments.
Tactical FunctionsPerform and oversee daily counts and ensure all production inventory is accounted for and reported according to company policy
Cycle count slow moving and obsolete inventory. Work with operations for opportunities to substitute, integrate for recycling
Investigate and correct discrepancies in reported quantities and locations of all production inventories
Weekly reconciliation of production inventory
Publish production inventory and metrics daily
Responsible for daily entry and changes in physical inventory information.
Develop and implement daily transactions reporting of receipts both production and raw materials against system inputs for accuracy.
Manage adherence to daily and weekly dock schedules to ensure all shipments go out on time, in full, and with no errors.
Ensure all shipment paperwork for customer and transfer shipments is record accurately
Process all customer returns' freight from customers as requested; ensure Quality, Customer Service are notified, and disposition is tracked.
Transact inventory adjustments once approved by Finance
Manage MRO receiving, as needed.
Monitor quality, quantity, and delivery time
Assist in completion of special projects or additional duties, as required.
Observe and enforce all safety precautions, rules, and regulations. Complies with and helps to enforce standard policies and procedures. Maintains work area in a clean and safe manner.
EDUCATION and/or EXPERIENCE:Associate's degree in related discipline or equivalent experience preferred.
1-3 plus years of experience in logistics, operations, or supply chain field.
Candidate must possess excellent verbal, formal written and grammatically correct correspondence and possess strong analytical skills.
Ability to interact with customers, team members, management, and outside vendors with professionalism, tact, and resourcefulness.
Ability to manage multiple priorities with limited supervision. .
Advanced computer skills including MS Word, Excel, and accurate data entry skills are required.
Demonstrated experience independently developing strategy and driving tangible results using data and achieving strategic objectives.
Work will take place in an office and manufacturing environment. Employee may be required to work weekends, holidays and be on-call on occasion. The employee may encounter controlled air conditions with frequent air changes, environmental exposure.These are considered essential duties and are illustrative of those job tasks, which are fundamental. Employees may be required to perform additional related duties as may be assigned by management. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.A member of the S&P 500 Index, Martin Marietta is an American-based company and a leading supplier of heavy building materials - including aggregates, cement, ready-mixed concrete and asphalt. Through a network of operations spanning 28 states, Canada and the Bahamas, dedicated Martin Marietta teams supply the foundational resources upon which our communities thrive. Martin Marietta's Magnesia Specialties business produces high-purity magnesia and dolomitic lime products used worldwide in environmental, industrial, agricultural and specialty applications.At Martin Marietta, we strive to work with the best and the brightest - those who have the potential to become our company's future leaders. Each of our roughly 9,500 people shares a common purpose regardless of their professional role or work environment. Together, we utilize our diverse skills and experiences to drive our company and its extraordinary culture forward. Our aim is to build on our foundation of success and help values-driven and hardworking people realize their full potential. When you decide to invest your career in Martin Marietta, you'll know what it's like to be respected, challenged and rewarded.In return, we offer a highly competitive benefits package, including:Medical
Prescription Drug
Dental
Vision
Health Care Reimbursement Account
Dependent Care Reimbursement Account
Wellness Programs
Employee Assistance Plan
Paid Holidays and Vacation
401(k) with Company matching
Pension
Salary Continuation - Short-Term Disability
Long-Term Disability Options
Employee Life Insurance
Spouse & Dependent Life Insurance
Business Travel Accident Insurance
Direct Deposit Payroll
Educational/Tuition Assistance Plan
College Scholarship Program - for dependent children
Matching Gift Program
New Auto Purchase Discount PlansAt Martin Marietta, we are proud to be an Equal Opportunity Employer. We are committed to providing an environment of mutual respect where equal employment opportunities are available to all qualified applicants and teammates. We celebrate diversity and commit that qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.
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