Sr Network Architect; Level 3 & 4

Overview

Sr Network Architect (Level 3 & 4 support)

Location:

Brea, CA, Local candidates only, Onsite 5 days

Duration: 5 months

• Serve as Tier 3/4 support resource (IT Escalation). On Call Rotation.
• Secondary: F5, ZScaler
• Possess a strong understanding of routing protocols such as BGP, OSPF, EIGRP, and IPsec for secure and efficient network communications.
• Strong experience with support of SDWAN solution (Velo Cloud).
• Participate in deployment of complex solutions, create written deliverables, and conduct client workshops.
• Monitor and maintain network security, ensuring compliance with industry standards and best practices.
• High degree of flexibility and willingness to work in rotational shifts including night shifts and on-call.
• Effective communication skills; ability to deal with users from across the regions.

• Network Engineer 8+ years of experience in Core network & DC Operations across Palo Alto & Cisco firewalls, Cisco Routers & Switches, Cisco ISE, Velo Cloud.
• Strong network design skills for campus and data center environments; expertise in segmentation, resiliency, and secure architectures.
• Hands-on expertise with major vendors: switching/routing (Cisco), SD-WAN, firewalls (Palo Alto or equivalent), wireless (Cisco), NAC solutions.
• Experience building and operating server rooms/data rooms (rack/power/cooling/cabling), and coordinating with facilities and local contractors.
• Security-first mindset:
  Zero Trust, 802.1X, micro-segmentation; adherence to change governance (ITIL).
• Excellent communication, documentation, and stakeholder management skills; ability to lead vendors and on-site technicians.
• Demonstrate expert-level knowledge of networking technologies, WAN communications, and security concepts, including TCP/IP, QoS, MPLS, DMVPN and IPSec.
• Configure and manage Palo Alto firewalls, Panorama, Cisco ASA firewalls, including advanced features like threat prevention, S2S VPNs, remote VPN solution, and security policies, F5 load balancers.
• Troubleshooting experience on SDWAN velo cloud, routing/switching protocols, security, VPN issues.
• Experience with Zscaler Internet Access (ZIA), Zscaler Private Access (ZPA) and Zscaler Digital Experience (ZDX) or similar solutions is a plus.
• Ability to implement design architecture objectives that align with client demand & business goals.