The Diona team is over 500 strong with over 350 direct employees. Our people are the cornerstone of our company.
Why Diona? Join us.

Brian McGuinness

Diona Awarded AEO Certificate by Transport for NSW

Following a comprehensive assessment of Diona’s engineering services and assurance arrangements by the Asset Standards Authority, part of Transport for New South Wales (TfNSW) between April and August 2017, Diona was successful in becoming an Authorised Engineering Organisation.​

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Picnic Point to Haymarket – 330kV cables

Championing Women in Civil

On Tuesday, 5 December, Diona joined other civil industry employers and the New South Wales Minister for Women, the Hon. Tanya Davies MP​, and Civil Contractors Federation - National Office​ (CCF) NSW CEO David Castledine, to sign a commitment statement at a “Championing Women in Civil” function at Doltone House in Sydney.

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Who We Are & What We Do