A Network Engineer is responsible for designing, implementing, and maintaining computer networks. They ensure that the network infrastructure is reliable, secure, and efficient. A successful Network Engineer will have a solid understanding of networking protocols, hardware, and software.

The minimum experience required for a Network Engineer is typically five years. However, some employers may require up to ten years of experience, depending on the complexity of the network and the company's needs.

Responsibilities of a Network Engineer may include:

• Designing and implementing local area networks (LANs), wide area networks (WANs), and other network architectures.
• Configuring and maintaining network hardware and software, such as routers, switches, firewalls, and virtual private networks (VPNs).
• Monitoring network performance and troubleshooting issues as they arise.
• Implementing security measures to protect the network from unauthorized access, viruses, and other threats.
• Working with other IT professionals to integrate network systems with other technologies, such as servers, storage devices, and cloud computing platforms.
• Documenting network configurations, procedures, and policies.
• Keeping up-to-date with industry trends and technologies.

A successful Network Engineer will possess the following skills:

• Strong analytical and problem-solving skills.
• Excellent communication and interpersonal skills.
• Proficiency with networking protocols, such as TCP/IP, DHCP, DNS, and BGP.
• Knowledge of network hardware, such as Cisco routers and switches.
• Experience with network security protocols, such as firewalls and VPNs.
• Familiarity with network monitoring tools, such as Wireshark and Nagios.
• Ability to work well under pressure and meet deadlines.

To become a Network Engineer, a bachelor's degree in computer science, information technology, or a related field is usually required. Additionally, industry certifications, such as those offered by Cisco, CompTIA, or Microsoft, may be preferred or required by some employers.