President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE on Wednesday officially sent his pick of Eugene Scalia as Labor secretary to the Senate.

The formal measure moves forward the process for Scalia, a longtime labor attorney and son of the late Supreme Court Justice Antonin Scalia.

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The Senate Health, Education, Labor and Pensions (HELP) Committee will consider Eugene Scalia's nomination before he moves on to a vote before the full chamber.

Scalia served as the top legal officer at the Department of Labor during the George W. Bush administration and previously was a special assistant to Attorney General William Barr Bill BarrFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Why a backdoor to encrypted data is detrimental to cybersecurity and data integrity FBI official who worked with Mueller raised doubts about Russia investigation MORE during his first stint as the top law enforcement officer under the George H.W. Bush administration.

He is currently a partner at law firm Gibson, Dunn & Crutcher LLP, and he has a career history of representing businesses and fighting to roll back labor regulations. One of his more prominent cases involved representing Walmart as the retail giant fought a Maryland law on employee health care.

Several Democrats are likely to oppose Scalia's nomination based on his past work for businesses in labor fights, and labor unions have already voiced their concerns about the pick.

Scalia requires a simple majority to get confirmed. With Republicans holding 53 seats in the Senate, he is likely to get the job barring multiple GOP defections.

If confirmed, Scalia will replace Alex Acosta Alex Alexander AcostaFederal litigator files complaint alleging Labor secretary abused his authority Appeals court to review legality of Epstein plea deal Appeals court finds prosecutors' secret plea agreement with Epstein didn't break law MORE, who resigned earlier this year amid scrutiny of his handling of a case involving Jeffrey Epstein while he was a U.S. attorney.