How would you describe the ideal candidate?

It depends for which poisition he's applying and qualification the candidate posses

Dedication for job & loyalty for an employer….

the ideal candidate should be organized, and have the ability to work well with many  personaliy. "Because of past experience" that would be effective in this workplace so he shuold be  ideal person for the job because he can do spirit and humility . and receptive person

and he should have Flexibility,Adaptability ,Intercultural Adaptability ,Generational Flexibility, Early Adopting Technology Evaluator, Collaborator/Team workers and Able to Spot an Opportunity/Customer Centric

Best Candidate should have below5 elements apart from  specific job requiremnet.

• Knowledgeable about the Job and Industry
• Have On Target Work Experience
• Have Great Values & Work Ethic 
• Have A Great Work Attitude
• Be Great At What You Do

It's wide question but generally 

- Knowledge of organization processes

- leadership

- Training

- Decision making

- Time management

- His annual appraisals is good