During the screening and/or background investigation process, you will be asked questions regarding any felony criminal convictions or current felony charges, the use of illegal drugs (e.g., marijuana, cocaine, heroin, LSD, methamphetamines, ecstasy), and the use of non-prescribed controlled substances including any experimentation, possession, sale, receipt, manufacture, cultivation, production, transfer, shipping, trafficking, or distribution of controlled substances. Experience: You qualify for the GS-13 level if you possess 1 year of specialized experience equivalent to at least the next lower grade level, performing duties such as: Provides CBP Officer and Special Response Team (SRT) advisory support to Office of the Commissioner leadership on inspection, enforcement, protective operations, and special operations issues.