• Plumber 3

    M. C. Dean (District Of Columbia, DC)
    … in pipefitting, steam fitting or sprinkler systems and have a valid journeymen plumber 's license. + Master 's Plumber 's license issued by Washington Suburban ... Secret, preferred HSPD-12 & Secret Active.** + Must be certified/ licensed in pipefitting, steam fitting or sprinkler systems and...fitting or sprinkler systems and have a valid journeymen plumber 's license. + Master 's Plumber 's… more
    M. C. Dean (07/15/25)
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  • Engineer - Boiler/HVAC (Maryland Grade 1…

    Trinity Health (Silver Spring, MD)
    …+ 1 year of credit for holding a current active license as a: + Master Plumber + Master Heating, Ventilation, Air Conditioning and Refrigeration contractor ... **Description:** **Job Title:** Engineer - Boiler/HVAC (Maryland Grade 1 Licensed ) **Employment Type:** Full Time **Shift:** Night **Position Highlights:**...+ Master restricted Heating, Ventilation, and Air-Conditioning contractor + 4-year… more
    Trinity Health (06/29/25)
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