Plumber whos one of NYCs highest-paid employees under investigation over $500K paycheck

He’s flush with cash.A NYCHA plumber who’s one of New York City’s highest-paid employees is in hot water after claiming he worked nearly 2,600 hours of overtime.Plumbing supervisor Jakub Markowski, 41, faces an investigation by the city more than a year after The Post exposed him as New York City government’s biggest overtime hog, clogging his bank account with a staggering $332,000 in extra pay during the 2025 fiscal year.The city Department of Buildings said it opened a complaint into Markowski — who drew a whopping $465,000 paycheck from the city — after receiving a complaint into his “business practices.”This is a breaking story.Please check back for updates....