Network Engineer, Specialist

Lead Sr. Network Operations Center (NOC) Engineer (Campus Networking - Cisco ISE/Aruba Wireless)

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

• Minimum 8 years of experience in network engineering or IT infrastructure, including at least two years of project or program management experience.
• B.E./B.Tech in Computer Science, Information Technology, Electronics and Communication Engineering, or a related field.
  MBA/M.Tech in a technical or management discipline is preferred.
  Bachelor's degree in Computer Science, Engineering, Information Systems, or equivalent practical experience is acceptable.
• 8+ years of enterprise network operations or engineering experience, supporting large-scale, mission-critical environments.
• Experience managing technology projects in a corporate or Financial Services environment is preferred.
• Strong understanding of network deployment, performance monitoring, and technical troubleshooting in enterprise infrastructures.
• Expert-level knowledge of Cisco Campus 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.
• Ability to lead cross-functional project teams, manage risks and dependencies, and communicate effectively with stakeholders at all organizational levels.
• Proven capability to lead major incidents under pressure, providing clear communication and strong technical command during high-impact events.
• Familiarity with disaster recovery strategies, including planning and implementation within network operations.
• Proficiency in project management tools and methodologies, including Agile and Waterfall, with the ability to apply appropriate frameworks based on project scope and complexity