cornicularius

The senior clerk who was the chief official in charge of the administrative paperwork in the tabularium. He led the tabularium legionis, which consisted of actuarii, librarii and exacti (literally the ones who exacted payments). He was a non-commissioned officer. Various types of other cornicularii existed and would include: - cornicularius consula
Found on http://www.encyclo.co.uk/visitor-contributions.php

Cornicularius

NCO with administrative duties.
Found on http://www.encyclo.co.uk/local/20764

cornicularius

senior clerk Chief official in charge of the administrative paperwork in the tabularium, assisted by the actuarius and perhaps several librarii.
Found on http://www.roman-britain.org/military/military_glossary.htm
No exact match found