A defiant Edward Mangano returned to work Friday — a day after the Nassau county executive and Oyster Bay Town Supervisor John Venditto were arraigned on federal corruption charges.

Mangano and Venditto are accused of receiving “bribes and kickbacks” from a Long Island businessman who also allegedly gave Mangano’s wife a lucrative no-show job.

“When you’re confident that you’ve conducted yourself properly, I’m at peace,” Mangano told News 12 Long Island from behind his desk in his Mineola office.

Reacting to calls for his resignation from some of Nassau’s State Senate Republican incumbents, Mangano said: “Many of them are lawyers, and they should have more respect for the process. . . . They themselves have their own issues, so maybe they want to look in the mirror and ask themselves that question.”

Mangano has received an “outpouring of support” from constituents, civic and religious leaders, and elected officials, according to his spokesman, Brian Nevin.

Venditto “did not formally report to work” on Friday, Oyster Bay Town spokeswoman Marta Kane said in a statement.

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“He is thinking about the events of yesterday, and how they impact his ability to go forward as town supervisor, the highest priority being the welfare of the town and its residents,” Kane said.

Republicans Mangano, 54, of Bethpage, and Venditto, 67, of North Massapequa have pleaded not guilty and were each released on $500,000 bond.

The charges center on a relationship involving Mangano, Venditto and a person identified only as a co-conspirator in the 13-count indictment, but whom sources have identified as restaurateur Harendra Singh.

Mangano and Venditto are charged with conspiracy to commit bribery, fraud and obstruction of justice. Mangano is also charged with extortion, and Venditto with lying to federal agents.

Mangano’s wife, Linda, is charged with obstruction and making false statements. She received more than $450,000 from the no-show job from April 2010 to August 2014, according to the indictment.

Authorities accuse Edward Mangano and Venditto of scheming to award Singh contracts worth hundreds of thousands of dollars to provide food services to county agencies and secure multimillion-dollar loan guarantees for his businesses.

In exchange, Mangano and Venditto received gifts from the businessman, including “hotel and travel expenses, limousine services, free meals and other gifts,” according to the indictment.

In a statement Friday, Mangano said the allegations “demonstrate a clear lack of connection to the actual facts. ... In time, the truth will prove I did nothing wrong.”