• Senior Ruby on rails Developer (Remote)

    Cognizant (Denver, CO)
    …for a highly skilled **Senior Ruby Developer** with deep expertise in **Ruby on Rails 3.2.x** , **Passenger web server** , and the ** Rails asset pipeline** ... + Design, develop, and maintain scalable web applications using **Ruby on Rails 3.2.x** . + Configure and optimize application deployment on **Passenger web… more
    Cognizant (09/20/25)
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  • Machine Operator II $19 / Hour

    Progress Rail Services Corp. (Pueblo, CO)
    **11204BR** **PRS Facility Location:** Pueblo, CO Rail Welding - 098 **Job Purpose:** Grind Ends of rail prior to welding; * Operate electric and pneumatic ... * Starting hourly wage: $19 **Req ID:** 11204BR **Company Description:** Progress Rail stands at the intersection of legacy and innovation-driving the future of… more
    Progress Rail Services Corp. (09/17/25)
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  • Environmental Project Manager, Rail NEPA…

    State of Colorado (Denver, CO)
    Environmental Project Manager, Rail NEPA (EPS III) - Denver Print (https://www.governmentjobs.com/careers/colorado/jobs/newprint/5087801) Apply  Environmental ... Project Manager, Rail NEPA (EPS III) - Denver Salary $88,104.00 -...as a liaison to CDOT's Division of Transit and Rail , the Federal Railroad Administration, the Federal Transit Administration,… more
    State of Colorado (09/22/25)
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  • Rail /Track Project Engineer

    Jacobs (Denver, CO)
    At Jacobs, we are using our solutions in rail and track to create a more connected and sustainable world- environmentally and socially. Would you be intrigued to ... team, you'll have the opportunity to work as a lead rail /track engineer variety of exciting large rail projects across the country. In this position you will be… more
    Jacobs (09/27/25)
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  • Sr. Civil Engineering Manager/ Project Manager…

    AECOM (Denver, CO)
    …Join us. **Job Description** **AECOM i** s seeking a **Sr. Project Manager - Transit- Rail ** position in the **Denver, CO.** office. This is a key position and will ... report to the **US West Region Transit/ Rail Engineering Department.** **JOB SUMMARY:** The position includes responsibility...of transit infrastructure projects including BRT, LRT, Streetcar, Commuter Rail , Heavy Rail , and High-Speed Rail… more
    AECOM (10/01/25)
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  • Director Complex Projects, Rail + Transit

    TYLin (Denver, CO)
    …**Job Summary** TY Lin International is seeking a Director, Complex Projects, Rail + Transit. The Project Director will oversee the successful execution of ... success, Design, Design Build (DB) and Program Management (PM) Services within the Rail + Transit Sector. + When necessary, serve as Design Manager or Program… more
    TYLin (08/16/25)
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  • Project Engineer ( Rail Track)

    Olsson (Loveland, CO)
    Project Engineer ( Rail Track) Lincoln, NE; Loveland, CO; Omaha, NE **Company Description** We are Olsson, a team-based, purpose-driven engineering and design firm. ... people, amazing designs, and projects with purpose. As a Project Engineer for Olsson's Rail Track Team, you will be responsible for a wide variety of tasks including… more
    Olsson (07/08/25)
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  • Traveling Rail Superintendent

    GeoStabilization International (CO)
    …and focus on quality should carry them farther. Our company is looking to hire a Rail Superintendent. You will be working side by side with your crew as its leader. ... You will be responsible for the quality of the project as well as its production. Our line of work requires travel and being on the road most of the year as we have multiple projects taking place. GeoStabilization International is the leading geohazard… more
    GeoStabilization International (09/10/25)
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  • Project Manager ( Rail Track)

    Olsson (Loveland, CO)
    Project Manager ( Rail Track) Lincoln, NE; Loveland, CO; Omaha, NE **Company Description** We are Olsson, a team-based, purpose-driven engineering and design firm. ... Our solutions improve communities, and our people make it possible. Our most meaningful asset is our people, and we are dedicated to providing an environment where they can continue to learn, grow, and thrive. Our entrepreneurial spirit is what has allowed us… more
    Olsson (07/08/25)
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  • Staff Engineer - Streaming Application Development

    EchoStar (Englewood, CO)
    …platforms of tomorrow. **Job Duties and Responsibilities** Looking for a Senior Ruby on Rails developer to own and evolve our core streaming middleware platform in ... Rails today, while driving a Golang-based re-architecture for tomorrow....vast, varied data streams. You'll shape its architecture-both in Rails and Go-to ensure it remains performant, reliable and… more
    EchoStar (08/20/25)
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