Senior Network Engineer

Key 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.

Required Qualifications

·       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.

Preferred Qualifications

·       Cisco certifications such as CCNP or CCIE.

·       Experience with Nexus Dashboard or SD-WAN solutions.

·       Familiarity with network automation using Python, Ansible, or APIs.

·       Experience with cloud networking (AWS, Azure, or Google Cloud).

·       Experience integrating network infrastructure with security and identity platforms.