Due to his achievements, Lithuanian basketball giant BC Lietuvos rytas hired him as the head coach in 2014.

On August 23, 2018, he wrote a letter stating that, after relations soured, the Ball family "started destroying the club, not paying out prize money to the Big Baller Brand tournament winners, etc.

"[3] Šeškus coached one more season in Prienai, with the team now renamed BC SkyCop, signing strong Lithuanian players, the Lavrinovič twins, Mindaugas Lukauskis and Martynas Gecevičius.

[5] Under his guidance, the team greatly exceeded expectations by finishing 4th in the league, falling just short of Lietkabelis Panevėžys in the bronze series.

[6] On 12 August 2024, Šeškus signed two-year (1+1) deal with M Basket Mažeikiai of the Lithuanian Basketball League (LKL).