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Senior Technical Support Engineer – Enterprise & Data Center Switching (L3 TAC)

India, Bengaluru · Job Posted April 24, 2026
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Job Description

Juniper Networks' Advanced Technical Assistance Center (JTAC) is a global team of senior engineers delivering deep, high-impact technical support to enterprise and data-center customers. You will act as a technical authority for complex escalations, working closely with customers, engineering, and product teams to drive issues to resolution—while supporting Juniper's transition toward AI-driven networking and AIOps.

Job Responsibility

  • Own and drive complex L3 escalations related to Juniper Enterprise and Data-Center switching platforms
  • Serve as a technical escalation point for other TAC teams and global support organizations
  • Act as a customer advocate, understanding business impact and ensuring timely, high-quality resolution
  • Isolate issues across software, hardware, and network design layers
  • Reproduce customer-reported issues in JTAC lab environments and collaborate with engineering for fixes
  • Deliver clear root-cause analysis, workarounds, and permanent solutions
  • Partner closely with Engineering, Product Management, and QA teams to resolve defects and improve product stability
  • Contribute to new product introductions (NPI) and feature validation
  • Create and maintain knowledge base articles, best practices, and troubleshooting guides
  • Leverage automation, scripting, and tooling to improve troubleshooting efficiency
  • Drive process improvements, quality initiatives, and customer experience enhancements
  • Stay current with next-generation networking technologies and Juniper's evolving portfolio

Requirements

  • Bachelor's degree in computer science, Electronics, or related engineering discipline
  • 7–10+ years of experience in networking, with strong exposure to enterprise and data-center environments
  • Proven experience in technical support, escalation engineering, or advanced operations roles
  • Excellent written and verbal communication skills, with experience supporting global customers
  • IP networking and protocols: ARP, ICMP, TCP/UDP, DNS, DHCP
  • Strong troubleshooting methodology and analytical thinking
  • Layer 2: xSTP, LACP, VRRP, 802.1X, CoS, QoS
  • Routing: BGP, OSPF, RIP
  • Overlays & Virtualization: EVPN, VXLAN
  • VPNs: L2VPN, L3VPN
  • Multicast: IGMP, IGMP Snooping, PIM

Nice to have

  • Scripting & Automation: Python, Perl or Shell scripting is a plus
  • Experience with network automation frameworks and operational tooling
  • Hands-on experience with data-center network design and implementation
  • Experience working directly with product development and engineering teams
  • Certifications - JNCIS / JNCIE (Switching or Data-Center) or equivalent
  • Cloud Architectures
  • Cross Domain Knowledge
  • Design Thinking
  • Development Fundamentals
  • DevOps
  • Distributed Computing
  • Microservices Fluency
  • Full Stack Development
  • Security-First Mindset
  • User Experience (UX)

What we offer

  • Health & Wellbeing
  • Personal & Professional Development
  • Unconditional Inclusion

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