Read about the industry, hiring manager, and their history.
Check that your recent linkedin messages are professional.
Make first impressions count and offer warm greetings with all you speak to.
Think of body language like not playing with a pen, sitting upright, not slouching and speaking clearly.
Advice for those looking for employment:
"The bulk of those who want a new job think they can't take time from social life or their 'draining' job. No matter what the justification, the consequences are exactly the same. Any jobseeking will stutter and you will lose out on critical events."
It may be nice to have:
Should be a great person to work with
Somebody who doesn't mind to 'chip in' whatever the problem
Should behave in a professional fashion
Be capable to create and grow good workplace relationships
Have a 'can do' mentality, prepared to help out colleagues in a friendly way