• SIMON | Manufacturing Intern Summer

    Upstone Materials (Cheyenne, WY)
    …Colorado, Nebraska, South Dakota, and Wyoming. We specialize in aggregate, asphalt, and ready - mix concrete materials production, with expert teams providing ... high-quality asphalt paving, concrete , bridge, and utility construction services. Through strong local...work related to quality control and production of aggregate, ready - mix , or asphalt/emulsion. Main Responsibilities: * Embrace… more
    Upstone Materials (09/25/25)
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  • General Production Worker

    Aerotek (Livermore, CA)
    …stewardship, community support, and ethical operations. **Work Environment** Work at a Ready - Mix Concrete Plant, a key supplier for construction ... that is committed to sustainable and innovative solutions, offering low-CO₂ cement/ concrete and circularity services. We focus on delivering exceptional customer… more
    Aerotek (12/12/25)
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  • SIMON | Paving Superintendent

    Upstone Materials (Cheyenne, WY)
    …Colorado, Nebraska, South Dakota, and Wyoming. We specialize in aggregate, asphalt, and ready - mix concrete materials production, with expert teams providing ... high-quality asphalt paving, concrete , bridge, and utility construction services. Through strong local ties backed by global resources, we focus on quality and value… more
    Upstone Materials (12/09/25)
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  • SIMON | Sales & Logistics Manager

    Upstone Materials (Rapid City, SD)
    …Colorado, Nebraska, South Dakota, and Wyoming. We specialize in aggregate, asphalt, and ready - mix concrete materials production, with expert teams providing ... sales strategies related to aggregate product sales (aggregate, asphalt, and/or ready - mix ) for commercial, industrial, and residential construction applications;… more
    Upstone Materials (10/11/25)
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  • SIMON | Aggregate Plant Operator

    Upstone Materials (Cheyenne, WY)
    …Colorado, Nebraska, South Dakota, and Wyoming. We specialize in aggregate, asphalt, and ready - mix concrete materials production, with expert teams providing ... high-quality asphalt paving, concrete , bridge, and utility construction services. Through strong local...make necessary adjustments in order to meet required production mix , quantities, and deadlines * Adjust manual and computer-aided… more
    Upstone Materials (11/26/25)
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  • Continuing Process Improvement Coordinator

    Upstone Materials (Plattsburgh, NY)
    …Materials, Inc. is a leading manufacturer of aggregates, hot mix asphalt, and ready - mix concrete in northeastern New York. With our people-first culture, ... Training employees on DARCI. . Process Improvement planning and implementation across Ready Mix , Quarry, and HMA. TEAMWORK/COMMUNICATION. Work closely with… more
    Upstone Materials (11/20/25)
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  • Environmental Engineering Intern

    Upstone Materials (Plattsburgh, NY)
    …Materials, Inc. is a leading manufacturer of aggregates, hot mix asphalt, and ready - mix concrete in northeastern New York. With our people-first culture, ... our international network visitwww.colas.com. Compensation $20.00 Per Hour Job Summary Are you ready to build your future career path? Drive your career forward with… more
    Upstone Materials (10/08/25)
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  • SIMON | Field and Shop Mechanic

    Upstone Materials (Sterling, CO)
    …Colorado, Nebraska, South Dakota, and Wyoming. We specialize in aggregate, asphalt, and ready - mix concrete materials production, with expert teams providing ... high-quality asphalt paving, concrete , bridge, and utility construction services. Through strong local ties backed by global resources, we focus on quality and value… more
    Upstone Materials (12/12/25)
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  • SIMON | Project Manager

    Upstone Materials (Cheyenne, WY)
    …Colorado, Nebraska, South Dakota, and Wyoming. We specialize in aggregate, asphalt, and ready - mix concrete materials production, with expert teams providing ... high-quality asphalt paving, concrete , bridge, and utility construction services. Through strong local ties backed by global resources, we focus on quality and value… more
    Upstone Materials (12/09/25)
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  • SIMON | Aggregate Operator

    Upstone Materials (Cheyenne, WY)
    …Colorado, Nebraska, South Dakota, and Wyoming. We specialize in aggregate, asphalt, and ready - mix concrete materials production, with expert teams providing ... high-quality asphalt paving, concrete , bridge, and utility construction services. Through strong local ties backed by global resources, we focus on quality and value… more
    Upstone Materials (12/09/25)
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