Back to his home country in 2008, Kosloski represented Cianorte, Vilhena and Penapolense, retiring with the latter in 2009 at the age of 29.
Coaching career
Shortly after retiring, Kosloski began his coaching career in charge of Olé Brasil's under-17 team. In the following year, he after being in charge of the under-20 team, he became head coach of the main squad in the 2010 Campeonato Paulista Segunda Divisão in July.[3][4]
In November 2011, Kosloski moved to Kazakhstan and was appointed manager of FC Astana-1964.[5] He left the country on 5 April 2012 after not having a license,[6] but returned late in the month to take over FC Bayterek.[7]
Back to Brazil, Kosloski worked as a youth coordinator at Botafogo-SP, and was also the head coach of Atlético Pernambucano [pt] in the 2014 Campeonato Pernambucano Série A2,[8] before taking over Botafogo's under-20 team in November 2015.[9] In October 2018, he moved to Australia and became SWQ Thunder's coach.[10]
Kosloski announced his departure from Chape on 17 February 2022,[15] and moved to Coritiba shortly after, as an under-20 coach.[16] In May, he was also appointed assistant of the Brazil national under-20 team, managed by Ramon.[17]
In March 2023, Kosloski was a part of Ramon's staff at the Brazil national team for a short period.[18] On 27 June of that year, he was named permanent assistant coach of Coxa, being also appointed interim head coach after the dismissal of Antônio Carlos Zago.[19]
On 31 July 2023, Coritiba announced that Kosloski as head coach of the first team, on a contract until December 2024.[20] He was sacked on 27 November, after the club's relegation was confirmed.[21]
On 3 January 2024, Kosloski was named assistant of Mano Menezes at Corinthians,[22] and became an interim on 5 February, after Mano was sacked. Four days later, however, he was dismissed from the club.[23]
^"A subida do Atlético Pernambucano" [The promotion of Atlético Pernambucano] (in Brazilian Portuguese). Jornal do Commercio. 5 October 2014. Retrieved 28 July 2023.
^"Thiago Kosloski na Seleção Brasileira!" [Thiago Kosloski in the Brazil national team!] (in Brazilian Portuguese). Coritiba FBC. 3 March 2023. Retrieved 28 July 2023.
^"Nota oficial" [Official note] (in Brazilian Portuguese). Coritiba FBC. 27 June 2023. Retrieved 27 June 2023.