Career
In January 2015 he was signed by Global to reinforced the team for the upcoming United Football League season. A former Iceland under-21 international, he has since switched allegiance to the Philippines, making his debut in 2010. He plays mainly as a left back but has also played as a winger and even as a forward early in his career.
He signed a new three-year contract in March 2010.
He has played in 146 Premier League matches as of September 2010, and also in some domestic and European Cup matches. International career
His father is Icelandic and his mother is a Filipina making him eligible to represent either country at international level
In 2001, he played two games with the Icelandic under-21 team, but since he has not played for the senior national team, he is eligible to play for the Philippines. This is after Fédération internationale de football association removed the age limit on players changing national teams in June 2009.
In September 2010 he was called up to play for the Philippines national team in the 2010 AFF Suzuki Cup qualification.
Jónsson was initially planning on going to Asia on holiday but was tipped about possibly trying out for the Philippines national team He eventually got in touch with the people involved with the national team and he was able to join the team in time for the 2010 Long Teng Cup. During the Suzuki Cup qualifiers, he played in all three matches and was instrumental in keeping two clean sheets against Timor-Leste and Cambodia.
His good form would continue at the Suzuki Cup with the Philippines conceding only a single goal in the group stage, in the 1–1 draw with Singapore.
Thus, the Philippines qualified for the knockout stage of the tournament for the first time ever. They faced Indonesia in the semi-finals and in the first-leg, the Philippines lost 1–0 with the goal coming from a mix up between Jónsson and goalkeeper Neil Etheridge.
The Philippines eventually lost 2–0 on aggregate.