NEWARK - An Essex County sheriff’s officer is being charged with sexual assault.

The department says Dinis Olivera, 31, is charged with sexual assault, criminal coercion and official misconduct.

The alleged incident happened on Feb. 28 at a 31-year-old Newark woman’s home.

Olivera has been with the sheriff’s department since June. Olivera is suspended without pay.

The Essex County Prosecutor’s Office is investigating.