• Carollo Engineers (Oklahoma City, OK)
    …internationally recognized environmental engineering firm that specializes in the planning , design, and construction of water and wastewater facilities. We are ... seeking a Civil/ Environmental Engineering Intern in our Oklahoma City, OK office...best place for you to build your career. This internship will be for Summer 2026. **Responsibilities** + Perform… more
    DirectEmployers Association (09/12/25)
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  • Paycom Online (Oklahoma City, OK)
    …skills OR recent completion of a competitive corporate internship program** + **Stable work history** **PREFERRED QUALIFICATIONS** **Education/Certification:** ... channels, fostering trust and empathy** + **Skilled in project management, planning and de-escalation strategies** + **Willing to work flexible hours, including… more
    DirectEmployers Association (11/07/25)
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  • Paycom Online (Oklahoma City, OK)
    The Paycom **Junior Executive Internship ** is an excellent opportunity to gain real-world exposure to the many that contribute to success within a fast-paced sales ... for benefits. **RESPONSIBILITIES** + Extensive sales training, including pre-call planning , analysis and presentation preparation + Prospect potential new clients… more
    DirectEmployers Association (09/11/25)
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  • Civil Engineering Internship

    Olsson (Tulsa, OK)
    …Information** Olsson is a nationally recognized, employee-owned firm specializing in planning and design, engineering, field services, environmental , and ... Civil Engineering Internship - Water/Wastewater Tulsa, OK **Company Description** We...a full spectrum of water and wastewater services, including planning , design, permitting, and construction phase services. As one… more
    Olsson (10/24/25)
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  • Electrical Engineering Internship - Telecom

    Olsson (Tulsa, OK)
    …Information** Olsson is a nationally recognized, employee-owned firm specializing in planning and design, engineering, field services, environmental , and ... Electrical Engineering Internship - Telecom Dallas, TX; Fort Worth, TX;...apply to full-time employees. If you're applying for an internship , you can learn more about internship -specific… more
    Olsson (09/16/25)
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  • Project Environmental Scientist

    Olsson (Oklahoma City, OK)
    …your working knowledge of applicable requirements and regulations + Integrating planning and environmental processes to improve transportation project delivery ... Information** Olsson is a nationally recognized, employee-owned firm specializing in planning and design, engineering, field services, environmental , and… more
    Olsson (11/14/25)
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  • Integrated Planning Solutions Planner I…

    HNTB (Oklahoma City, OK)
    …degree in Urban Planning or related field. + Previous work experience in planning through an internship or prior employment. + Experience and/or interest in ... team of employee-owners. This opportunity entails being responsible for applying planning strategies utilizing various technologies and tools to gather and analyze… more
    HNTB (09/05/25)
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  • Project Engineer - Water Resources

    Olsson (Oklahoma City, OK)
    …Information** Olsson is a nationally recognized, employee-owned firm specializing in planning and design, engineering, field services, environmental , and ... spectrum of water services, including a complete line of planning , design, permitting, and construction phase services. As a...engineering license (PE) + Bachelor's degree in civil or environmental engineering + 6 years or more of engineering… more
    Olsson (11/11/25)
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  • Technical Expert - Wastewater Treatment

    Olsson (Tulsa, OK)
    …Information** Olsson is a nationally recognized, employee-owned firm specializing in planning and design, engineering, field services, environmental , and ... spectrum of water and wastewater services, including a complete line of planning , design, permitting, and construction phase services. Maintaining water quality is… more
    Olsson (11/08/25)
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  • Water and Sewer Modeling Senior Engineer

    Olsson (Tulsa, OK)
    …Information** Olsson is a nationally recognized, employee-owned firm specializing in planning and design, engineering, field services, environmental , and ... spectrum of water and wastewater services, including a complete line of planning , design, permitting, and construction phase services. Maintaining water quality is… more
    Olsson (10/21/25)
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