The systems and networks administrator creates, in relation with an architect , a computer network for his company, installs it and parameters it. It then ensures that all network equipment is functioning and that all users have rapid access to this information system. It also gives permission for new users to log in.
One of its most important jobs is to ensure the security and safeguard of data on the entire network. In the event of a breakdown or incident, he must be responsive and carry out the necessary repairs as soon as possible. His work does not stop there: thanks to a permanent technological watch, the systems and networks administrator seeks to optimize the system by testing new equipment.
Various tasks for the IT administrator system administrator technical skills
Depending on the size of the company that employs him, the functions of the administrator vary and are more or less extensive. In small and medium-sized structures, he will have to fulfill missions managed in larger companies by user support. It can thus intervene from the design of the network or on a system already in place. He can also exercise his functions internally or externally (the company calls on an external company, specialized in IT, to take charge of IT management).
Skills / Qualities needed to be a good systems and network administrator
- Very good knowledge of networks and operating systems
- Good communication and listening skills
- Availability (on-call evenings and weekends)
- Method and rigor
- Versatility
- Autonomy
How to become a good system and network administrator? What training courses to follow?
To become a systems and network administrator , there are different levels of training ranging from Bac + 2 to Bac + 5. It depends on the size of the network to be administered. Thus, a DUT in computer science or a BTS in computer science makes it possible to take care of a local network within an SME.
However, faced with the increasing complexity of information systems and with a view to rapid career development, some professionals opt for a Bac + 3 to Bac + 5 training, in particular in an engineering school.
For example, Efrei Paris offers a Bachelor in Security, Systems and Networks on a work-study basis (2 days in class and 3 days in a company), allowing access to the profession of systems and networks administrator.
Discover the specifics of this Bachelor offered by Efrei Paris in video
This three-year course after the Bac delivers essential technical skills in the fields of virtualization and cloud, network, maintenance, development and security. Students also put their knowledge into practice during their many company immersions.
At the end of their training, students obtain a double diploma certified and recognized by the State, RNCP level II title (European level 6), issued by two digital Grandes Ecoles: Efrei Paris and 3IL.
Discover the specificities of Efrei Paris in pictures
Job opportunities for systems and networks administrator
This profession is present in all sectors of activity: banking / finance, medical, industry, commerce, mass distribution, etc. Whether in SMEs, large companies, administrations, installers, telecom companies or even digital service companies (ESN). With the generalization of local computer networks, the development of the Internet and electronic commerce, this systems and networks professional has a bright future ahead of him.
However, there is room for professionals who already have experience, hence the importance of internships and work-study programs. Moreover, 96% of Efrei Paris graduates get a job after graduation.
Professional development of the administrator
An experienced administrator can evolve in various technical fields and turn to the functions of network architect , IT / Datacenter / telecoms manager or even technical director. Another solution: specialize in an area such as storage or security.
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