[citation needed] From December 2006 to January 2007, Klukowski played with Chippenham Town, while on holiday from the United States.

[citation needed] During his college years, Klukowski also played with Ottawa Fury[16] and the Cape Cod Crusaders in the USL Premier Development League.

[17] Klukowski turned professional in 2009 and joined the Western Mass Pioneers of the USL Second Division, where he played 12 times, scoring once in a 2–1 win over Wilmington Hammerheads.

[14] In June 2010, he returned to Bath City on trial in an attempt to earn a contract following their promotion into the Conference Premier.

[citation needed] He scored his first goal of the season in a 6–1 away win over Alfreton Town on 20 August 2011, after converting James Rowe's cross.

[32][33] On 28 April 2014, it was revealed that he had turned down the offer of a new contract with Forest Green in the hope he could earn a deal with a Football League club.

[36] His first goal for Newport came in a 2–1 home defeat against Swindon Town on 23 September 2014 in the first round of the Football League Trophy, with a tap-in from Aaron O'Connor's pass.

[38] On 28 June 2016, Klukowski joined newly relegated National League club York City on a two-year contract.

[citation needed] He was also selected to represent the Great Britain university football team at the 2007 Summer Universiade.

[citation needed] On 15 July 2020, Klukowski signed for Hereford as a player-coach under manager Josh Gowling, with whom he played together with at Torquay United.