This is a client facing role. You have to provide technical support to different clients for installation, troubleshooting, and maintenance of Lotus Domino mail system.
You have to deliver below tasks as part of your day to day job responsibility.
Installation of Lotus Domino Server
Installation of Lotus Client
Creation of User ID in Domino
Managing individual mailbox quota
Implement mail policy set as per client's need
Administering Domino Server
Upgrade of Domino Server
Configuring Domino Cluster