Network Engineer, Specialist

Lead Sr. Network Operations Center (NOC) Engineer (Juniper Routing)

Position Summary

The Senior-Level NOC Engineer (Tier
3) functions as the highest technical escalation point within the global Network Operations Center. This role provides advanced troubleshooting, architecture-level insight, and deep subject matter expertise across complex, multi-vendor network infrastructures. Tier 3 support engineers lead root-cause analysis, oversee major incidents, influence network design standards, and partner with engineering teams to drive stability, scalability, and operational excellence.

Key Responsibilities

* Advanced Incident & Problem Management

* Acts as the final escalation point for all high-severity incidents, providing advanced packet analysis, protocol decoding, and cross-platform correlation.

* Performs deep-dive RCA, producing engineering-quality post-incident documentation and recommending long-term corrective actions.

* Leads network recovery efforts during outages involving routing instability, security events, hardware failures, or cloud connectivity issues.

Architecture-Level Network Troubleshooting Expertise

* Expert proficiency with Cisco NAC Solutions/Cisco Campus Networking, and Aruba Wireless services with the ability to interpret and troubleshoot complex multi-tier architectures.

* Strong knowledge of Campus Networking automation, API-driven provisioning, and lifecycle management in large-scale environments, including experience with IAC pipelines.

* Governs enterprise campus network architectures, including wired access, wireless LAN (WLAN), and edge connectivity designs.

* Enforces standards for secure user and device onboarding, guest access, BYOD, IoT connectivity, and Captive Portal authentication, across campus environments

* Proactively validates and enforces security architectures and best practices

* Defines and governs Zero Trust access architectures using Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA), enabling secure user‑to‑application connectivity without traditional network‑based trust models.

* Identifies opportunities for platform monitoring, observability, and alerting.

Tools, Automation & Visibility

* Mastery of packet analysis tools:
Bluecat, Solarwinds, APCON, Wireshark, netflow/sflow platforms.

* Develops automation scripts for configuration validation, monitoring, and incident response workflows.

* Evaluates and integrates new operational tools and observability platforms.

Cross-Functional Leadership

* Partners with Network Engineering to validate new designs, perform pre-deployment testing, and influence standards.

* Mentors junior and mid-level NOC engineers, providing technical coaching, lab guidance, and training material.

* Engages directly with vendors for escalated TAC cases, hardware escalations, and architectural reviews.

Qualifications and Skills

* Bachelor's degree in computer science, Engineering, Information Systems, or a related discipline, or equivalent practical experience.

B.E./B.Tech in Computer Science, Information Technology, Electronics and Communication Engineering preferred; MBA or M.Tech in a technical or management discipline is a plus.

* Minimum 8 years of experience in enterprise network engineering or network operations, supporting large-scale, mission-critical environments, including at least two years of project or program management experience.

* Expert-level knowledge of Juniper Architecture, including Network Access Control (NAC) design, implementation, and operations.

* Extensive hands-on experience with enterprise networking and security platforms, including Cisco, Juniper, Brocade, Palo Alto, Aruba, and F5 ecosystems.

* Strong understanding of network deployment, performance monitoring, and advanced troubleshooting across complex infrastructures.

* Experience managing technology projects, preferably within corporate or Financial Services environments.

* Demonstrated ability to lead cross-functional teams, manage risks and dependencies, and communicate effectively with stakeholders at all organizational levels.

* Familiarity with disaster recovery strategies and their application within network operations.

* Proficiency in project…