work visa type

Dears hope you are fine, i already received my 1 year work permit from Government of the British Virgin Islands labour and immigration departments to work as an Network and Systems Engineer in an IT company located in British Virgin Islands ,i’m now creating the online application whats the work Visa type and Visa sub type should I chose ?
i used the below links :
https://www.gov.uk/government/publications/apply-for-a-commonwealth-visa-in-egypt/apply-for-a-visa-for-a-commonwealth-country-or-british-overseas-territory-in-egypt

https://www.visa4uk.fco.gov.uk/User/Home

Thanks and best regards