The job of system and network engineer involves the performance of several types of tasks. On a daily basis, he must generally:

· Analyze the company's needs in terms of equipment and software and find suitable solutions;
· Set up, then ensure the maintenance and updating of the solutions selected for the information system;
· Manage and update documentation related to the system and software in place;
· Ensure the security of the information system and the confidentiality of the information it houses;
· Train users in the use of the information system and provide advice to ISD members;
· Carry out a technological watch in order to gradually optimize the solutions in place.
It should be noted that the systems and networks engineer can work in companies, with manufacturers but also within SSII (service companies in computer engineering). Its missions are likely to differ from one structure to another.

More Info: https://techtelecommunications.blogspot.com/2020/04/the-missions-of-systems-and-networks.html