Jordaan earned a provincial call-up as early as primary school level, representing the Pumas at the 2005 Under-13 Craven Week competition. He was once again called up in 2008, playing for them at the Under-16 Grant Khomo week, which earned him an inclusion in the South African Under-16 Elite Squad. He moved to Bloemfontein in 2009 to finish his schooling at Grey College. He represented the Free State at the premier high schoolrugby union competition, the Under-18 Craven Week, on two occasions; at the 2009 event in East London and at the 2010 event in Welkom, where Free State beat Western Province 42–21 in the main match of the competition. Jordaan was subsequently included in a South African Under-18 High Performance Squad, which played matches against France, England and Namibia.
After finishing high school, Jordaan joined the Free State Academy and appeared for the side in the 2011 Under-19 Provincial Championship, where he made seven appearances as his side reached the semi-finals of the competition. He progressed to the squad in 2012 and started all thirteen of their matches during the 2012 Under-21 Provincial Championship, scoring three tries as his side once again reached the semi-finals. The following season, Jordaan played in the 2013 Varsity Cup for, making two appearances. He was then included in the squad for the 2013 Vodacom Cup and he made his first class debut in their 33–34 defeat to a in Durban in Round Three of the competition by coming on as a late replacement. He got increasingly more game time off the bench in his two appearances against the in Alice and Argentine side in Stellenbosch before making his first start in a senior match in a 37–41 defeat to in Bloemfontein which condemned them to fifth spot on the log, missing out on a quarter final spot. He returned to action for the side during the 2013 Under-21 Provincial Championship, making seven starts. He played seven times for the during the 2014 Varsity Cup competition, scoring a try against and a brace against a week later. He also started two matches for Welkom-based provincial outfit during the 2014 Vodacom Cup competition and made one appearance for them in the 2014 Currie Cup qualification tournament in their match against the in George, his first appearance in the Currie Cup competition. Jordaan started all nine of the ' matches during the 2015 Varsity Cup competition. He scored three tries during the round-robin stage of the competition to help Shimlas finish top of the log and qualify for a home semi-final. He opened the scoring in their semi-final match against two-time champions by scoring a 10th-minute try in a 21–10 victory to help them qualify for their first ever final. He scored yet another try in the final against the as Shimlas ran out comfortable 63–33 winners to win their first ever Varsity Cuptitle.
Cheetahs
After the 2015 Varsity Cup, Shimlas head coachFranco Smith was appointed as the head coach of Super Rugby side the and he included four Shimlas players in his first match in charge against the, with Jordaan named as the starting number eight for the match.
