Network Engineer

Client is seeking a Lead Network Engineer to join our Technology Operations team. This role is critical in ensuring the stability, security, and performance of Client global network infrastructure.

You will function as a Subject Matter Expert (SME) for complex network environments, provide advanced troubleshooting, and mentor junior engineers while collaborating with internal teams and external vendors.

Responsibilities

Troubleshoot complex and escalated network issues across **** enterprise infrastructure.

Participate in Major Incident Management calls and bridge lines for critical outages.

Handle tickets escalated from Tier 2 support and work on incidents per the Integrated Operations Incident Management Process.

Configure network devices as part of break-fix activities.

Collaborate with Advanced Technology functions, Cisco TAC, and other priority support teams.

Serve as an SME for technologies including Routing, Switching, Firewalls, Load Balancers (F5), Proxies, and related network components.

Mentor and train Tier 1 and Tier 2 engineers to build operational excellence.

Open and manage Change Controls and emergency break-fix change records.

Engage with Cisco NOC and HTTS support for escalations.

Utilize tools such as Sniffer/Infinistream for packet capture and analysis.

Troubleshoot issues related to Firewalls, Load Balancers, Proxy appliances, and complex routing/switching environments.

Collaborate with vendors for escalations and resolution of critical issues.

Provide operational input for engineering projects and participate in weekly on-call rotations, including after-hours and weekend escalations.

Required Qualifications

Demonstrated experience in Network Operations, or equivalent through work experience, training, military service, or education.

Desired Qualifications

5+ years of network support experience in NOC operations or similar environments.

Strong understanding of Routing & Switching protocols (RIP, OSPF, BGP).

Ability to quickly analyze and troubleshoot data and voice network outages in large enterprise environments.

Extensive firsthand experience with:

Cisco/Checkpoint Firewalls

F5 Load Balancers

IP subnetting, Layer 2–4 stack, VoIP, QoS, MPLS, SD-WAN

Experience with Arista hardware is a plus.

Excellent customer service and communication skills.

Knowledge of Ansible automation is a plus.Certifications: CCNA and at least one CCNP-level exam completed (CCNA specialties, F5, MCSE preferred).

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