Such duties include service monitoring, server maintenance, optimization, security, and initial server setup tasks. Normally, such tasks are performed by your own system administration team. Over time though, as your customer base expands and your resource provisioning increases, your system admin team will struggle to keep up with growth. You’ve got to staff your IT department, pay salaries, manage employees, and deal with benefits and everything that goes along with having more employees, or, instead of all that, you can simply hire a server management company.