L4 Senior Network Engineer (15+ years Experience required)

Job Title: L4 Senior Network Engineer

Location: Los Angeles, California

Job Description :

Role Overview

The Tech Lead will lead network operations and automation initiatives, ensuring robust customer management and technical excellence. This role requires deep expertise in enterprise network administration, automation, and a proven ability to interface with customers, vendors, and internal teams to deliver high-quality service.

Key Responsibilities

• Oversee and optimize LANs, WANs, VMs, and virtual networks, including routers, switches, firewalls, and load balancers.
• Lead automation projects to streamline network operations, improve efficiency, and reduce manual intervention.
• Manage customer relationships, ensuring high satisfaction through proactive communication, issue resolution, and tailored solutions.
• Negotiate and coordinate with vendors, outsourcers, and contractors for timely and effective delivery of network products and services.
• Recommend and implement improvements to network architecture and technology portfolio, with a focus on automation and scalability.
• Ensure successful installation, configuration, migration, and ongoing support of network infrastructure.
• Drive adherence to ITIL processes and SLAs, monitoring team performance and maintaining service quality.
• Perform root cause analysis, troubleshoot technical issues, and define/maintain operational processes.
• Lead and mentor technical teams, identifying skill gaps and planning training for continuous improvement.
• Manage network monitoring and management tools (e.g., SolarWinds, Moogsoft), and ensure accurate CMDB updates in ServiceNow.
• Provide Level-3 support, handle escalations, and participate in on-call rotations.
• Oversee inventory management for all network devices and ensure compliance with security and business continuity standards.
• Participate in Change Advisory Board (CAB) meetings and represent the team in cross-functional forums.
• Document technical procedures, contribute to knowledge management, and drive operational excellence.

Technical Skills & Experience

• 15+ years in network administration within large enterprise environments.
• Strong hands-on experience with Cisco routers, switches (ASR, ISR, CAT, Nexus 2k/5k/7k/9k), Firepower firewalls, and F5 load balancers (LTM, GTM, ASM, AFM, APM).
• Proficiency in network monitoring tools (SolarWinds, Moogsoft, Algosec), ServiceNow, and Jira.
• Deep understanding of static and dynamic routing protocols (EIGRP, OSPF, BGP, ISIS, Multicast, Unicast).
• Experience with automation tools and scripting for network operations (e.g., Python, Ansible, or similar).
• Familiarity with cloud networking (AWS, Azure) is a plus.
• Expertise in disaster recovery, business continuity, and network security best practices.
• Strong troubleshooting skills, including packet capture/analysis (Wireshark).
• Experience in designing and documenting complex changes/projects (POA, RFO, RCA).

Customer Management & Soft Skills

• Excellent verbal and written communication skills.
• Proven ability to manage customer relationships, handle escalations, and deliver results under pressure.
• Strong documentation and knowledge-sharing skills.
• High level of acceptance and adaptability to changing business needs.
• Ability to work in 24x7 rotational shifts, including weekends and holidays.
• Comfortable working with US-based customers and teams.

Certifications

• ITIL v4
• CCNP-R&S or equivalent
• CISSP, CISM, CCSP (preferred)
• OEM-specific certifications (Cisco, etc.)