Being a Network Engineer and a Post graduate in Information Security, I would like to offer services for the Networks field either Monitoring the network or appending security over the networks. Configuration of the network, troubleshooting it or monitoring and managing it. Can design the Networking policy and procedures. Starting with analyzing the networks, it's hardware infrastructure and concluding it with what amendments can be made in your environment.
As far as Information Security, your network security or security of your data is concern, would thoroughly analyze, assess with respect to security, would identify and report risks occurrence with implementing controls associated with it. Defining, developing, implementing, and automating information access controls and privileges.