• Principal Engineer ( Mineral

    Kelly Services (Stamford, CT)
    Kelly Science is seeking a Principal Engineer ( Mineral Processing ) for a growing client located in Stamford, CT. Salary: $108,000-165,000/year Employment ... Stamford, CT- relocation assistance available for qualifying candidates Join our clients Mineral Processing R&I team and help drive innovative technologies and… more
    Kelly Services (11/13/25)
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  • Principal Engineer

    Syensqo (Stamford, CT)
    …concentrates from increasingly more complex and depleted ore sources. The Principal Engineer within the Mineral Processing R&I team focuses on defining ... Job ID 32649 ** Principal Engineer ** Regular Stamford - CT,...with R&I Scientists, Engineers, and Chemists to develop value-added mineral processing products and technologies through laboratory… more
    Syensqo (11/16/25)
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