Civil engineering and construction firm Decmil Australia has appointed former Leighton Holdings general manager Ray Sputore as managing director.

Decmil Group chief executive Scott Criddle said Mr Sputore's strong background in the Western Australian market would be invaluable for the company on its growth path.

Prior to his Leighton role, Mr Sputore held operational and senior executive roles with Transfield for over 28 years.

"We are delighted to welcome Mr Sputore to the Decmil team," Mr Criddle said.

"He has extensive experience in the WA market built up over a long time, with a strong track record at winning work and contributing to business growth.

"We also believe his mentoring skills will be invaluable to Decmil as we seek to enhance the group's executive capabilities by fostering our next generation of leaders."

Mr Sputore's appointment takes effect on May 16.