Network Engineer, Specialist

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

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.

• 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.

• 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 standard 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.

• 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.

• 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.

• 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 management tools and methodologies, including Agile and Waterfall.

• Cisco CCNP (or equivalent)

• JNCPE (or equivalent) Preferred
• CCIE (Routing & Switching, Enterprise, or Data Center)
• JNCIP/JNCIE
• PCNSE (Palo Alto)
• F5 Certified Administrator or Engineer
• AWS Advanced Networking

• Must participate in 24x7 Tier 3 escalation rotation.
• May assist in after‑hours change execution and major event coverage.

Vanguard is not offering visa sponsorship for this position.