A System Administrator(Sysadmin)Is A Person Who Maintains And Manages A Computer System, A Computer Network, Or A Set Of Computer Networks.
Depending on the company, a system administrator may work in Network Operations Center, Security Operations Center, Data Center, or Internet Service Providers.
What are the duties of a system Admin(Sysadmin)?
The duties of a system administrator are extensive and vary from organization to organization. A system administrator is typically responsible for installing and supporting computer servers or systems. Of course, as mentioned, sometimes this person works as a network manager in a company. In this case, a system expert(Sysadmin) is responsible for maintaining the hardware and software that make up a computer network.
A network administrator is considered mid-level support staff and does not directly interact with users. The duties of a network administrator also vary from place to place and depend a lot on the size of the organization or company.
Different roles are defined for a network administrator/system administrator in small and large companies. However, the duties of a network administrator include assigning a network address to computers and devices on the network, implementing and managing routing protocols such as BGP, OSPF, and ISIS, Configuring the station routing table, updating the web, etc.
In addition, the network administrator may be responsible for several network services such as file servers, virtual private network gateways, intrusion detection systems, etc.
As a system expert(Sysadmin), This person is responsible for creating a backup copy of the information, responsible for establishing system security, checking event log files and identifying system bugs, updating the operating system and software, checking network traffic, checking network security, upgrading software, installing security patches, answering users’ technical questions and helping To them, he is responsible for adding, deleting and updating existing user accounts in the system and resetting passwords, documenting system configuration files, identifying and debugging and reporting system bugs, and installing and configuring new software and hardware.
How to become a system expert?
Usually, companies ask applicants for this job title to have a bachelor’s or master’s degree in computer and computer science. In addition, two to five years of practical work experience in this field increases the chances of getting a job. To get a job as a systems expert, you must first check the company’s area of activity.
For example, a company that is looking to recruit a system expert related to the Linux operating system is looking for someone who has the following skills:
- Getting to know the essential and management topics of the Linux operating system
- Setting up standard Linux services such as webmail database
- Writing scripts with Bash or Python
- Basic concepts of network and firewall
- Images related to Postgresql or Mysql databases
- Introduction to Docker
- Getting to know cPanel
- Experience working with monitoring tools
- Experience viewing and reviewing reports and fixing errors
A system expert who is going to work in a company active in the field of virtual networks should think about learning the following skills:
- Sufficient mastery of managing Microsoft operating systems and services
- Good skill in implementing and managing solutions related to Windows infrastructure
- Complete mastery of desktop and server virtualization solutions based on VMware products
- Knowledge of virtualization concepts at the level of VCP-DCV and VDI certifications
- shed bur center
- Getting to know the concepts related to storage and network equipment
- Configuration and maintenance of storage devices
- Mastery of SAN-based networking concepts
A system expert in a company that needs to manage public IT services should consider learning the following skills:
- Manage user accounts
- Maintenance of systems
- System performance monitoring
- Create file systems
- Installing software
- Management of software and the accuracy of their performance
- Create backup and recovery policies
- Network traffic monitoring
- Updating systems and installing new versions of operating systems and applications
- Implementing policies for the use of computer systems and networks
- Implementation of security policies for users In this context, a systems expert must deeply understand the computer security of firewalls and intrusion detection systems.
- Documenting understandably for different people
- Manage passwords and authentication.