Relax Your Body
Remain loose and light. Eliminate stress. There is rarely need to be tense and hardheaded. Many including exams / interview can be done successfully through calm reason and a soft voice.
Most physical movements should be loose, light, fluid, agile and flexible, rather than tense, hard, rigid or stiff.
Slow deep breathing will calm anxieties, lower your heart rate and allow for your concentration.
Massages, steam baths, saunas help the muscles to rest.
Make sure you get your rejuvenating 6-8 hours of sleep per night.
Act with Boldness
Everyone admires the bold, courageous and daring; no one honors the fainthearted, shy and timid. Timidity breeds doubt and hesitation that not only weakens but can be dangerous. The coward dies a thousand deaths.
Careful Planning
Lack of preparation is the preparation for failure. Careful planning is a must. Careful planning and practice build self-confidence and resolute spirit. The opposite would be constantly second-guessing and endless opinion seeking. Believe in yourself and the thoughtful decisions you make. Be Bold and take the planned step.
If adjustments are needed, adjust and if mistakes are committed, learn from them and try again.
Try above and you will get rid of anxiety and nervousness!
All the best for your career!