Network Engineer, Specialist

Network Engineer, Specialist

Apply (

locations

Wayne, PA

Charlotte, NC

time type

Full time

posted on

Posted 30+ Days Ago

time left to apply

End Date: June 26, 2026 (14 days left to apply)

job requisition id

177250

Sr. Network Operations Center (NOC) Engineer – (Tier 3)Position SummaryThe 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 ResponsibilitiesAdvanced 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 Expertise- Expert proficiency with Cisco IOS, Nexus OS, ACI, and Juniper Junos, with the ability to interpret and troubleshoot complex multi-tier architectures.- Designs and validates routing topologies, including large-scale enterprise BGP and OSPF deployments, multi-homing, route reflectors, graceful restart, fast reroute, and policy-based routing.- Deep understanding of F5 LTM/GTM, load-balancing behaviors, DNS architectures, and SSL offloading.Security, Cloud, & Advanced Platforms- Expert-level support for Cisco ASA, Palo Alto NGFW, IPSec architecture, segmentation policies, and security posture validation.- Advanced experience with AWS Direct Connect, cloud routing, hybrid architectures, and troubleshooting cloud edge connectivity.- Leads analysis of Wi-Fi performance across Aruba WLANs, RF tuning, interference mitigation, and controller-based troubleshooting.Tools, Automation & Visibility- Mastery of packet analysis tools: 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 5 years of experiencein network administration, including advanced troubleshooting, network design, and implementation.

• Bachelor’s degree(B.E./B.Tech in Computer Science, IT, Electronics & Communication) orMCA, or equivalent practical experience.CCNA, CCNP, or CCDPcertifications preferred.

• Extensive enterprise network operations and engineering experience, supportinglarge-scale, complex environments, with exposure to Tier 3 escalations and high-availability architectures.

• Expertise in routing, switching, and WAN technologies, including:

• AdvancedBGP, OSPF, andVRFdesign and operations

• MPLS fundamentals, L2/L3 architectures, and enterprise WAN solutions

• Load balancing and resilient network design

• Strong network security expertise, including:

• Firewalls, VPNs, IDS/IPS

• Hands-on experience with security-centric platforms and policy-driven architectures

• Cloud networking experienceacrossAWS, Microsoft Azure, and Google Cloud Platform, including hybrid connectivity and cloud-integrated network designs.

• Proficiency in troubleshooting and diagnostics, including:

• PCAP analysis, deep packet inspection, and root-cause analysis

• Advanced troubleshooting across routing, switching, security, and cloud networks

• Hands-on experience with leading networking and security platforms, including:

• Cisco, Juniper, Brocade, Aruba, Palo Alto, and F5ecosystems

• Proficiency with network monitoring and operations tools, such as:

• SolarWinds, Wireshark, and enterprise Operations Monitoring platforms

• Automation and scripting capabilitiesusingPython and PowerShellto improve network efficiency, reliability, and operational scale.

• ITSM and workflow tool experience, includingServiceNow and Jira, supporting incident, problem, change, and escalation management.

• Strong operational leadership skills, including the ability to:

• Lead and coordinatemajor incidents under pressure

• Provide clear, effective communication during outages and escalations

• Drive resolution across cross-functional technical teams

• Participation in 24x7 Tier 3 escalation rotation, including support for after-hours change execution and major network event coverage as required.

• Excellent problem-solving, communication, and collaboration skills, with proven ability to manage complex network issues, escalations, and operational monitoring responsibilities.

Preferred Skills:

Cloud networking experience across AWS, Microsoft Azure, and Google Cloud Platform, including hybrid connectivity and cloud-integrated network designs.

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.

About Us

Vanguard, one of the world's leading investment management companies, serves individual investors, institutions, employer-sponsored retirement plans, and financial professionals. We have a diverse and talented crew with a culture that promotes teamwork, along with an unwavering focus on serving our clients' best interests.

This website uses "cookies" to distinguish you from other users. A cookie is a small file of letters and numbers placed on your computer or device. This helps us to provide you with a good experience when you browse our website and also allows us to improve our site and services. The cookies are stored locally on your computer or mobile device. To accept cookies you can continue browsing as normal. Or you can go to ourPrivacy Policy ( to read more information and learn how to change your preferences.

Read More