a cog in the machine
Someone or something that is functionally necessary but of small significance or importance within a larger operation or organization. I'm tired of working in this thankless IT support job. I don't want to be just a cog in the machine anymore!
a cog in the wheel
Someone or something that is functionally necessary but of small significance or importance within a larger operation or organization. I'm tired of working in this thankless IT support job. I don't want to be just a cog in the wheel anymore!
cog in the wheel (or machine
) a person who plays a small mundane (perhaps vital but generally unacknowledged or unappreciated) role in a large enterprise.