Sr Network Architect (Level 3 & 4 support)

Job Description

Title- - Sr Network Architect (Level 3 & 4 support)

Location- Brea, CA, Need , Onsite 5 days

Duration: 5 months

Serve as Tier 3/4 support resource (IT Escalation). On Call Rotation.

Primary: Palo Alto, Cisco ISE, Wireless, SDWAN

Secondary: F5, ZScaler

Required Skills:

• Network Engineer 8+ years of experience in Core network & DC Operations across PaloAlto & Cisco firewalls, Cisco Routers & Switches, Cisco ISE, VeloCl
• Configuring & managing Cisco Routers, switches, Palo Alto & Cisco Firewalls, F5 Load balancers, VPN, NAC solution ( Cisco ISE )
• 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.
• Relevant certifications : CCNP Enterprise (or equivalent), PCNSE, ITIL.

Job Description:

• 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)
• Expert level experience in Cisco Data Center and Campus Switching and routing.
• 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
• Participate in the deployment of complex solutions, create written deliverables, and conduct client workshops
• Monitor and maintain network security, ensuring compliance with industry standards and best practices.
• Proven knowledge of ITIL framework and service management practices\ good understanding of Change process
• High degree of flexibility and willing to work in rotational shifts including night shifts and on-call.
• Effective communication skills. Should be able to deal with users from across the regions
• Excellent analytical and problem-solving skills, with the ability to manage complex issues and provide effective solutions.