Career
Club career
He started out playing football for Strømsgodset at a very young age. In 2007 he needed surgery for a knee-injury, but was back in 2008 with his debut on the reserves team 2009 was the breakout year for Sætra, he played well during the annual youth cup (Joint European Torus-cupen) and made his first team debut against Fredrikstad on 20 September 2009.
In 2010 he has been a starting regular in Tippeligaen, in the absence of fellow team-mate Alexander Aas.
In the 2010 season he has scored 2 goals, both with his head On 31 August 2011, Sætra moved to Sandefjord Fotball on a loan for the rest of the season.
In the summer of 2014 Sætra chose to move to Swedish club Hammarby IF after his contract with Strømsgodset had expired. In 2015, he established himself as a key player in manager Nanne Bergstrand"s squad, playing 29 league games and scoring once.
After the season, in November 2015, he renewed his link to the club by signing a new contract running until the end of 2018.
International career
Sætra played one match in the 2010 Union of European Football Associations European Under-19 Football Championship qualification, and is selected for the starting line-up during the elite qualification.