Sofia communications's senior network administrators are responsible for providing system and network related solutions for their organization's information-technology assets. They oversee the functioning of networking equipment and follow strict maintenance standards. Their experience in the IT and networking fields is also used to develop new strategies to optimize server operation. They make network designs and solutions. They work with other team leaders, supervisors, and end-users to work on connectivity problems. IT senior network administrators create technical documentation for users. Senior network administrators may also create training sessions foremployees to increase knowledge and productivity related to enterprise networks. Senior network administrators has responsibilities for email servers, dns servers, samba/share servers, asset management, crm system, erp system etc. Sofia communications senior network administrators also carry out upgrade procedures, and they must have knowledge of security bugs and possible privacy risks.