An SD-WAN (Software-defined Wide Area Network) engineer is responsible for designing, implementing, and maintaining software-defined networks that connect geographically distributed locations. Their specific responsibilities may include:

1. Designing and architecting SD-WAN solutions for clients that meet their specific needs.

2. Configuring and deploying SD-WAN hardware and software components, including routers, switches, and virtual network functions (VNFs).

3. Integrating SD-WAN solutions with existing network infrastructure, such as MPLS, VPNs, and WAN optimization technologies.

4. Creating and implementing policies that control network traffic and optimize performance.

5. Troubleshooting network problems and conducting root cause analysis to identify and resolve issues.

6. Monitoring network performance and analyzing network traffic to identify trends and areas for improvement.

7. Managing network security and ensuring that SD-WAN solutions are secure and compliant with industry standards.

8. Collaborating with other IT professionals, such as network administrators, security analysts, and software developers, to ensure that SD-WAN solutions integrate effectively with other systems and applications.

Overall, an SD-WAN engineer is responsible for designing and implementing software-defined networks that are reliable, efficient, and secure, allowing organizations to connect and communicate across geographically distributed locations.

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