Network Engineer, Specialist

Vanguard•Wayne, PA

2d•Hybrid

About The Position

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.

Requirements

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)

Nice To Haves

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

Responsibilities

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