Warrant Officer Class One Sean William Chainey was born and educated in Brisbane, Queensland. After completing an apprenticeship as a metal worker he enlisted into the Army in 1991 and was allocated to the Royal Australian Engineers.
On completion of his initial employment training Warrant Officer Chainey, was posted as a Combat Engineer to the 1st Field Squadron, 2/3 Field Engineer Regiment which was later re-named the 1st Combat Engineer Regiment. Whilst serving at the unit Warrant Officer Chainey deployed with the United Nations Transitional Authority Cambodia in 1992 and the International Force East Timor in 2000.
In 2001, Warrant Officer Chainey was posted to the School of Military Engineering where he served as a Demolitions Instructor and was promoted to Sergeant in 2002. He subsequently returned to the 1st Combat Engineer Regiment and served as a Troop Sergeant until 2004, where after successful completion of his Explosive Ordnance Disposal course, he transferred employment categories. Warrant Officer Chainey served as a Divisional Sergeant at the Australian Defence Force Academy before being promoted to Warrant Officer Class Two in 2005 and being posted to the 4th Combat Engineer Regiment as an Army Reserve Recruiting Officer.
Warrant Officer Chainey was posted to the Incident Response Regiment in 2007 as an Explosive Ordnance Disposal Troop Warrant Officer. During this time he conducted multiple deployments to Operation Slipper with the Special Operations Task Group and in 2010 was appointed the Squadron Sergeant Major of A Squadron. 2012 Warrant Officer Chainey was posted to the 6th Engineer Support Regiment where he served as the Search Warrant Officer conducting certification of all deploying RAE search teams.
Warrant Officer Chainey was promoted to Warrant Officer Class One in 2015 and served as the Wing Sergeant Major of Specialist Engineering Wing, School of Military Engineering before being appointed the Regimental Sergeant Major of the 2nd Combat Engineer Regiment in 2017. Warrant Officer Chainey, assumed his current position as Corps RSM in January 2019.
Warrant Officer Chainey was awarded the Distinguished Service Medal (for service in Afghanistan 2009) and during his service has received commendations from Special Operations Command and Forces Command.
Warrant Officer Chainey is married to Zhaohui. They enjoy home renovating, gardening and travel.Posted in:
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