ad‧min‧is‧tra‧tive W3 AC / ədmɪnəstrətɪv, ədmɪnɪstrətɪv $ -streɪtɪv / 形容词

relating to the work of managing a company or organization :

The job is mainly administrative.

administrative staff/duties/job etc

the administrative costs of health care systems

an administrative assistant

staff who provide technical and administrative support to the college

— administratively 副词