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 management tools and methodologies, including Agile and Waterfall.
  
  
  

Required Certifications

• Cisco CCNP (or equivalent)
  
  
  

Preferred Certifications

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

Special Requirements

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

Special Factors

Sponsorship

Vanguard is not offering visa sponsorship for this position.

About Vanguard

At Vanguard, we don't just have a mission—we're on a mission.

To work for the long-term financial wellbeing of our clients. To lead through product and services that transform our clients' lives. To learn and develop our skills as individuals and as a team. From Malvern to Melbourne, our mission drives us forward and inspires us to be our best.

How We Work

Vanguard has implemented a hybrid working model for the majority of our crew members, designed to capture the benefits of enhanced flexibility while enabling in-person learning, collaboration, and connection. We believe our mission-driven and highly collaborative culture is a critical enabler to support long-term client outcomes and enrich the employee experience.