Myers-Briggs would say that you are an ISTJ (Introvert, Sensor, Thinker, Judger). In
People like you are generally logical, honest and upfront. You get impatient with phonies and people who are disorganized, though you keep your reactions to yourself, as you're usually cautious and quiet, though not timid. Others find you reliable and will count on your being there in times of need. You make a loyal and responsible friend, though only when others remember that you're conservative in nature.
You're literal, realistic, and practical. You're a hard worker who does very well in highly detailed situations, as you're careful and precise.
You are also somewhat resistant to change and comfortable with routine. When change occurs, you'll be the last one to fit it into your routine, but you'll become an expert in time. You work much better to adapt to change when you see practical benefits.
Your primary goal in life is to be of service and do your job well. Your best rewards are to be listened to and to be acknowledged for your hard work.
Good careers for your type are operations officer, chief information officer, database administrator, police detective, and science officer.