Holzberger joined the RAN in 1987 as a submariner and served on various submarines, including Chief of the Boat on HMAS Sheean.

In 2004 Holzberger was selected for an exchanged with the United States Navy Pacific Fleet.
In 2007 he was selected by the Ships Warrant Officer selection board and then joined HMAS Warramunga as the Ships Warrant Officer.
He was awarded the Conspicuous Service Cross in 2012 for his service in this role.

Holzberger was appointed Command Warrant Officer – Fleet Command in March 2010 and in 2012 he became the seventh Warrant Officer of the Navy.
He was appointed a Member of the Order of Australia in 2015, and retired in April the following year.
Holzberger joined the RAN in 1987 as a submariner and served on various submarines, including Chief of the Boat on HMAS Sheean.
In 2004 Holzberger was selected for an exchanged with the United States Navy Pacific Fleet. In 2007 he was selected by the Ships Warrant Officer selection board and then joined HMAS Warramunga as the Ships Warrant Officer. He was awarded the Conspicuous Service Cross in 2012 for his service in this role.
Holzberger was appointed Command Warrant Officer – Fleet Command in March 2010 and in 2012 he became the seventh Warrant Officer of the Navy. He was appointed a Member of the Order of Australia in 2015, and retired in April the following year.
Martin Holzberger