As a part of the network engineer, you as a certified network security engineer has the following set of responsibilities for a business set-up:

The engineer should implement different solutions and improve the stability and flexibility of the network with the best security features.
As an experienced security expert perform the installation, configuration, and operation of Palo-Alto firewall products & services
To monitor performance and fix the network issues by scheduling preferred solutions
To make use of multiple devices used by business to increase the efficiency and performance of the network along with its security
To understand the current bandwidth usage and advise essential solutions for site progress
To develop and implement strong knowledge on IP communication system along with required routing preferences of clients (OSPF, EIGRP, BGP)
To upgrade network tools or devices by refreshing the equipment or by performing software improvements
To configure routers, switches, firewalls, load balancers, and Meraki devices
To configure and maintain Domain Name Server (DNS), Network Time Protocol (NTP), Simple Mail Transfer Protocol (SMTP) servers for the business requirements
To take part in technical consultations and plan for new solutions along with security team members
To engage in fixing the calls and support team and its users to resolve the problems
To take part in projects along with network engineering and help in supporting along with providing application plans
To supervise the day-to-day operations needed to work on cases and other changes
To interact with customers via phone or email to work towards fixing the network issues

More info @ PCNSE Job Description
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