IT Network Consultant

Sonata Software Overview

In today's market, there is a unique duality in technology adoption. On one side, extreme focus on cost containment by clients, and on the other, deep motivation to modernize their Digital storefronts to attract more consumers and B2B customers. As a leading Modernization Engineering company, we aim to deliver modernization-driven hypergrowth for our clients based on the deep differentiation we have created in Modernization Engineering, powered by our Lightening suite and 16-step Platformation™ playbook.

In addition, we bring agility and systems thinking to accelerate time to market for our clients. Headquartered in Bengaluru, India, Sonata has a strong global presence, including key regions in the US, UK, Europe, APAC, and ANZ. We are a trusted partner of world-leading companies in BFSI (Banking, Financial Services, and Insurance), HLS (Healthcare and Lifesciences), TMT (Telecom, Media, and Technology), Retail & CPG, and Manufacturing space.

Our bouquet of Modernization Engineering Services cuts across Cloud, Data, Dynamics, Contact Centers, and around newer technologies like Generative AI, MS Fabric, and other modernization platforms.

Duration: Full-Time employment

Location: Irvine, CA (Hybrid)

We are looking for an experienced IT Network Engineer to support day‑to‑day network operations and assist with ongoing infrastructure upgrades across multiple manufacturing sites. This role is primarily operational (60%), including troubleshooting, break/fix work, and supporting production‑critical network issues. The remaining 40% will focus on project work such as firewall upgrades, SD‑WAN modernization, and plant network refresh initiatives. The ideal candidate has deep hands‑on experience with routing and switching (Cisco preferred), Palo Alto Networks firewalls, and ideally some background supporting manufacturing/OT environments.

Operational Support (≈ 60%)

• Handle day‑to‑day break/fix tickets for LAN/WAN, wireless, and firewall systems.
• Troubleshoot routing, switching, and security issues across plant and enterprise networks.
• Resolve network issues impacting production lines, sensors, OT devices, plant‑floor apps, and IoT/Industry 4.0 platforms.
• Monitor network health and help drive stability, performance, and resilience improvements.
• Participate in on‑call rotation for critical network incidents.

Project Work (≈ 40%)

• Support Palo Alto firewall upgrades, policy refinement, and migration tasks.
• Assist with SD‑WAN transformation projects (Prisma SASE/Prisma SD‑WAN or Velo Cloud).
• Contribute to network modernization: switch refresh, cabling, redesign, VLAN segmentation.
• Implement approved changes following established change‑management processes.
• Collaborate with cross‑functional IT, OT, and vendor teams to ensure smooth deployments.

• Strong hands‑on experience with Cisco routing and switching (Catalyst/Nexus/ISR/ASR).
• Solid understanding of OSPF, BGP, STP, VLANs, trunking, Ether Channel, ACLs, QoS.
• Palo Alto Networks firewall experience including policy management, zones, NAT, App‑, and Global Protect.
• Experience supporting networks in a manufacturing environment (preferred but not required).
• Knowledge of WAN/MPLS/SD‑WAN architectures.
• Knowledge of Layer 2 and Layer 3 enterprise design.
• VPN (IPsec, SSL).
• High‑availability concepts.
• Familiarity with wireless networking (Cisco, Aruba, or equivalent).
• Strong documentation practices (Visio, diagrams, configs, runbooks).

• Cisco ISE experience (authentication, authorization, policy sets, TACACS+).
• Prisma SD‑WAN (formerly Cloud Genix) deployment or administration experience.
• Velo Cloud SD‑WAN experience (profiles, business policies, overlays).
• Manufacturing OT networking exposure (Ether Net/IP, industrial VLANs, segmented PCN/PMS environments).
• Experience with DNS/DHCP/IPAM (Infoblox or similar).
• Experience with network monitoring tools (PRTG, Solar Winds, Meraki Dashboard, etc.).
• Certifications:
  
  CCNA/CCNP, PCNSE, or equivalent hands‑on knowledge.

• Strong communication and teamwork abilities.
• Ability to operate effectively in fast‑paced manufacturing/plant…