For @Work you may need
10 Hours of Junior Staff Work – This can include routine reviews and
maintaining systems, Help-Desk Support (which can be escalated to Mid/Senior
level if required) .
5 Hours of Mid-Level Staff Work – Reviewing Firewall Reports, Network
Reports, Patching up systems (Security), more complex Help-Desk issues.
2 Hours of Senior Level Support – Such as consulting, planning, reviewing future company needs, helping in procurement of systems when you need them
This varies from company to company – depending on size and complexity.