He spent his club career in Australia and New Zealand, also playing seven times for the Solomon Islands national football team.
First playing for an Australian club in 2001, Wickham spent two years at the recently formed Toowoomba Raiders FC, based in Queensland.
In 2002, he played in OFC Nations Cup losses against New Zealand and Tahiti as well as a 0–0 draw with Papua New Guinea.
Since ending his playing career, Wickham has coached the Solomon Islands beach soccer team, nicknamed the Bilikiki.
[3][4] This role has included presenting both the Solomon Islands beach soccer and under-17 football teams with sets of shirts.