In September 1628 he departed for a four-year-long voyage, primarily in Germany and the Netherlands, returning to the Commonwealth's capital of Warsaw by autumn 1632. Soon afterward the new king of the Commonwealth, Władysław IV Waza, sent him with a diplomatic mission to the Netherlands and the United Kingdom. As a reward, he received his first governmental office, becoming the podkomorzy (Court Chamberlain) of Lithuania in early 1633. He took part in the Smolensk War in 1634, through he primarily accompanied the king, and did not participate actively in major combats. He would become a regular part of Władysław IV Waza's company, spending much time at the royal court over the next five years. In 1635 he became the starost of Kamieniec, and in 1638, Kazimierz Dolny (near Lublin). Since 1636 he administrated his family's estates, through not very efficiently, which he admitted himself. He also attended most of the Sejm (Commonwealth's parliament) sessions.