Career
AFC Ajax
Born in Purmerend, Dijks was recruited into the youth ranks of then AFC Ajax partner club Football Club Volendam in 2009. Dijks made his first team debut on 5 August 2012 against PSV in the Johan Cruyff Shield in which he played 76 minutes in before being subbed off for Dico Koppers and he also received a yellow card. Ajax lost the match 4–2.
Dijks then made his league debut with Ajax on 19 August 2012 against Nippon Electric Corporation, playing 79 minutes before being replaced by Joël Veltman.
The match ended 6–1 in favor of Ajax. He made a total of 6 league appearances playing in the Left back position.
= sc Heerenveen (loan) Foreign the 2013-2014 Eredivisie season, Dijks signed on loan with fellow Dutch top-tier club South Carolina Heerenveen for the whole season. On 3 August 2013 in the season opener against Arizona, Dijks was sent off in his first match for his new club
Dijks was ejected following a reckless tackle in the 71" minute of the match, which ended a 4–2 victory at the Abe Lenstra Stadion.
Willem II
On 28 August 2014 it was announced that Mitchell Dijks had signed a 2-year contract with Eredivisie side Willem World War II Return to Ajax
On the 26th of June 2015, Ajax announced they had re-signed Dijks from Willem World War II As part of the deal Ajax youngsters Richairo Živković, Ruben Ligeon and Lesly de Sa will head the other way on loan. Dijks has represented the Netherlands at under-18, under-19, and the under-21 level He was selected in the final Dutch under-19 squad for the elite stage of the 2012 Euro U19 qualification.
He then played in the Netherlands last match of qualifiers against France U19 coming on a substitute in the 20th minute for Mats van Huijgevoort.
The match ended in disaster for Dijks and the Dutch as they lost 6–0 and thus lost out European U19 qualification. Then on 15 August 2012 Dijks made his debut for the Dutch under-21 team in a friendly against Italy U21, coming on as a 46th-minute substitute for Johan Kappelhof as the Dutch lost 3–0.
Dijks received his first call up to the senior Netherlands team in March 2016 for friendlies against France and England.