NSW Police says detectives from the Robbery and Serious Crime Squad's Corrective Services Investigation Unit established Strike Force Winrow earlier this month to investigate allegations of inappropriate behaviour at a facility in Bathurst.

During the investigation, police say they received information relating to sexual acts allegedly being performed at the facility by a senior male correctional officer on numerous occasions over the past six years.

Following what were described as extensive investigations, strike force detectives arrested a man at Orange about 9am on Thursday, April 22.

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Police say he was taken to Orange Police Station and charged with eight counts of incite other to do sexual act with them without consent, two counts of common assault and five counts of incite aggravated indecency (victim under authority).

Police say they will allege in court that the man performed the sexual acts in front of five women - aged between 35 and 56 - between 2015 and 2021, while they were employed at Bathurst Correctional Centre.

The man was given bail to appear at Orange Local Court on Monday, May 31, 2021.

He has been suspended by Corrective Services NSW.

Robbery and Serous Crime Squad Commander, Detective Superintendent Andrew Koutsoufis, said police take all reports of misconduct offences extremely seriously.

"Police and Corrective Services NSW have taken swift and appropriate action after commencing an investigation earlier this month," Det Supt Koutsoufis said.

"It will be alleged that this man used his position to take advantage of female employees in the workplace for his own sexual gratification.

"This type of behaviour is totally unacceptable and will not be tolerated in the community. Every employee should feel safe and respected while carrying out their duties.

"If offences of this nature occur in any workplace, we encourage employees to notify police."