Sr. Network Engineer

Responsibilities:

· Design, implement, and maintain enterprise network infrastructure using Cisco technologies.

· Provide advanced troubleshooting and root cause analysis for complex network issues across LAN, WAN, wireless, and data center environments.

· Configure and support Cisco routing and switching platforms, including Catalyst and Nexus.

· Deploy and manage Cisco wireless networking solutions, including controllers and access points.

· Implement and manage Cisco DNA Center for network automation, provisioning, and assurance.

· Manage and support Palo Alto (PAN) firewalls and Cisco Firepower firewalls.

· Manage and optimize network performance, capacity, and reliability.

· Implement and maintain network security best practices, including segmentation, access control, and secure connectivity.

· Support VPNs, firewalls, and remote access technologies across enterprise environments.

· Participate in network architecture planning and infrastructure upgrades.

· Develop and maintain network documentation, diagrams, and operational procedures.

· Collaborate with cybersecurity, systems, and application teams to ensure secure and reliable connectivity.

· Provide mentorship and technical guidance to junior network engineers.

· Participate in on call rotation and incident response for critical network outages.

· Evaluate and recommend new technologies to improve network performance, security, and scalability.

What we’re looking for:

· 7+ years of experience designing and supporting enterprise networks.

· Strong expertise with Cisco networking technologies, including:

o Cisco Catalyst switching

o Cisco Nexus data center switching

o WAN routers

· Experience with enterprise firewall platforms, including:

o Palo Alto (PAN) firewalls

o Cisco Firepower firewalls

· Experience managing Cisco wireless networking environments.

· Experience working with Cisco DNA Center for network automation and management.

· Deep knowledge of:

o Routing protocols (BGP, OSPF, EIGRP)

o VLANs, STP, and Layer 2/Layer 3 design

o High availability technologies (HSRP, VRRP, vPC)

o Network segmentation and security best practices

· Experience with VPN technologies (site to site and remote access).

· Strong troubleshooting and network analysis skills.

· Experience with network monitoring and management tools.

· Ability to work in complex, high availability environments.