• Project Engineer II (LAX)

    Upstone Materials (Brea, CA)
    …services through empowering and developing our people, fostering innovation, utilizing new technology , and maximizing vertical integration at all levels of the ... company's value chain. To learn more about the Colas USA Family of Companies, please visit www.colasusa.com. Compensation $95,000 - $115,000 Annually Job Summary Assist in the management of project(s) by means of cost management and analysis, scheduling,… more
    Upstone Materials (10/29/25)
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  • Project Engineer I (LAX)

    Upstone Materials (Brea, CA)
    …services through empowering and developing our people, fostering innovation, utilizing new technology , and maximizing vertical integration at all levels of the ... company's value chain. To learn more about the Colas USA Family of Companies, please visit www.colasusa.com. Compensation $80,000 - $95,000 Annually Job Summary Assist in the management of project(s) by means of cost management and analysis, scheduling,… more
    Upstone Materials (10/29/25)
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  • Sr. Project Manager - Charging Strategy…

    Adecco US, Inc. (Fountain Valley, CA)
    …including charging equipment, utilities, site acquisition and development, vehicle-charger technology interdependence, and MSP integration . . Experience or ... exposure to construction management is a plus. . Strong project management capabilities. . Excellent communication, stakeholder management, and cross-functional leadership skills. **Pay Details:** $32.00 to $60.00 per hour Benefit offerings available for our… more
    Adecco US, Inc. (10/16/25)
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  • Sales Intern Summer

    Upstone Materials (Brea, CA)
    …services through empowering and developing our people, fostering innovation, utilizing new technology , and maximizing vertical integration at all levels of the ... company's value chain. To learn more about the Colas USA Family of Companies, please visit www.colasusa.com. Compensation $26.00 per hour Job Summary The Sales Intern will support the Sales department by assisting with various tasks while gaining a… more
    Upstone Materials (10/10/25)
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  • Quality Control Technician III

    Upstone Materials (Irwindale, CA)
    …services through empowering and developing our people, fostering innovation, utilizing new technology , and maximizing vertical integration at all levels of the ... company's value chain. To learn more about the Colas USA Family of Companies, please visit www.colasusa.com. Compensation $38 per hour Job Summary The Quality Control Technician 3 is responsible for sampling, testing, and reporting on construction… more
    Upstone Materials (10/05/25)
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  • Quality Control Technician I

    Upstone Materials (Irwindale, CA)
    …services through empowering and developing our people, fostering innovation, utilizing new technology , and maximizing vertical integration at all levels of the ... company's value chain. To learn more about the Colas USA Family of Companies, please visit www.colasusa.com. Compensation $26 per hour Job Summary The Quality Control Technician I is responsible for sampling, testing, and reporting on construction… more
    Upstone Materials (10/05/25)
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  • Safety Intern Summer

    Upstone Materials (Brea, CA)
    …services through empowering and developing our people, fostering innovation, utilizing new technology , and maximizing vertical integration at all levels of the ... company's value chain. To learn more about the Colas USA Family of Companies, please visit www.colasusa.com. Compensation $26 per hour Job Summary The Safety Intern will support the company's commitment to maintaining safe work environments by gaining… more
    Upstone Materials (10/04/25)
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  • Technical Services Intern Summer

    Upstone Materials (Irwindale, CA)
    …services through empowering and developing our people, fostering innovation, utilizing new technology , and maximizing vertical integration at all levels of the ... company's value chain. To learn more about the Colas USA Family of Companies, please visit www.colasusa.com. Compensation $26 per hour Job Summary The Technical Services Intern is responsible for tasks and projects related to testing, gradation, and quality… more
    Upstone Materials (10/04/25)
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  • Project Engineer Intern Summer

    Upstone Materials (Brea, CA)
    …services through empowering and developing our people, fostering innovation, utilizing new technology , and maximizing vertical integration at all levels of the ... company's value chain. To learn more about the Colas USA Family of Companies, please visit www.colasusa.com. Compensation $26 per hour Job Summary The Project Engineer (PE) Intern will support the project team by assisting with various operational tasks while… more
    Upstone Materials (09/17/25)
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  • Aggregate Foreman

    Upstone Materials (Irwindale, CA)
    …services through empowering and developing our people, fostering innovation, utilizing new technology , and maximizing vertical integration at all levels of the ... company's value chain. To learn more about the Colas USA Family of Companies, please visit www.colasusa.com. Job Summary Direct and coordinate all phases of the activities within the designated work groups that may include Mill, Operations, Loadout, Yard, Pit… more
    Upstone Materials (09/12/25)
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