ISTPs are considered to be easily adaptable persons who can solve difficult problems. This article points out some strengths of the ISTP personality type.
16 Personality Types
ISTJs are people focusing on building long-term, stable careers. So, career choices of the ISTJ personality type include careers that give stability and security. Mostly they would not prefer jobs that are not stable or secure. They also prefer to do jobs to be in line with their principles and follow traditional rules.