Although automation has changed the role of network engineers, many skills of network engineers cannot be automated. Good communication, an understanding of network logic, and the ability to work with older entry level network engineer are keys to becoming the most desirable candidate.
- Customer Relationship
Depending on the nature of the company or organization you employ, you may need to troubleshoot your customer's network or handle problems with your front-end network. This includes good communication skills, the ability to explain technical problems to non-technical people, and the ability to understand and build cooperative customer relationships.
- Analysis And Problem Solving.
The network engineer solves the problem within the network before and after the problem occurs. It requires analytical skills to understand the source of the problem and dedicated problem-solving processes to effectively solve the problem and prevent it from happening again.
- Firewalls And Security
Network security is important, especially if the network in question handles regulated data. While more organizations have dedicated IT security staff, end-to-end security means everyone on the IT team must be involved to keep the network secure. Additionally, network engineers often implement and maintain firewalls within their networks.
- Networks
Networking and routing skills are essential to the job. Engineers must be familiar with the different types of networks and architectures (including WAN, LAN, SD-WAN, SD branches, etc.) and how to integrate them into existing systems. With the emergence of new types of networks, it is important to keep abreast of new developments.
- Programming Language
Engineers need to know the most popular general-purpose scripting languages on business-class networks like Python, Ruby, and Perl. As more and more network functions are automated, it is helpful to learn languages such as Java, Terraform, and Ansible that are suitable for automation. Similarly, Bash for Linux is becoming a requirement as more networks use open source network resources.
- Hardware Infrastructure
The job of a network engineer involves calling the hardware on which the network resides and its functions. It is important to know the main network hardware providers and the products they offer. You cannot make direct purchasing decisions, but you must know the needs of the network underlying these purchasing decisions. It also requires maintenance using the network infrastructure.
- DNS
The Domain Name System (DNS), as we know it, is the basis of the Internet and is very important for the operation of networks connected to the Internet. It is the foundation of modern business networks. When DNS is idle, it builds the network using DNS, so it is important how to troubleshoot DNS in a connected environment.
- IOT
As more and more companies become dependent on IoT devices, IoT is expected to have a significant impact on traffic, infrastructure, and security on the corporate network. Although commonly associated with 4G and 5G networks, certain types of network architectures, such as SD branches, use WiFi or other non-mobile connections to support the IoT ecosystem. Security is an important link to IoT devices, as they are notoriously vulnerable to compromise.
- Virtualization Automation.
Virtualization is the name of today's network, or SD-WAN game. Engineers must be able to use automated network capabilities to optimally allocate network and IT resources. Automation engineers are generally responsible for this, but you may need to help you develop automation functions.
- MPLS
SD-WAN has strengthened or replaced enterprise MPLS, but many still rely on MPLS to ensure network reliability and security, making MPLS an important skill for network engineers. Engineers need to know how to operate MPLS-only networks, and generally hybrid WAN networks.
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