Network Engineer - L3
AceStack LLC
Job Title: Network Engineer - L3 Location: Los Angeles, CA / Rosemead, CA - Onsite Type: 6-12 Months Contract Experience: 10+ Years Job Description: We are seeking an experienced Network Engineer (L3) to support and maintain enterprise network infrastructure in an onsite role. The ideal candidate will have strong hands-on experience with routing, switching, troubleshooting, and network operations in a large-scale environment. Key Responsibilities: Provide L3 network support for enterprise LAN/WAN environments Configure, manage, and troubleshoot routers, switches, firewalls, and wireless networks Monitor network performance and ensure high availability and reliability Perform root cause analysis and resolve complex network issues Support network upgrades, migrations, and hardware refresh initiatives Work closely with infrastructure, security, and application teams Maintain network documentation, diagrams, and SOPs Participate in on-call support and incident management as required Required Skills & Experience: 10+ years of hands-on experience in Network Engineering (L3) Strong experience with Routing & Switching (BGP, OSPF, EIGRP, VLANs, STP) Hands-on expertise with Cisco networking technologies (routers, switches, ASA/Firepower) Experience with LAN/WAN, TCP/IP, DNS, DHCP, VPN Solid troubleshooting skills in production environments Experience with network monitoring tools (SolarWinds, Nagios, or similar) Ability to work 100% onsite in Los Angeles / Rosemead, CA Preferred Qualifications: Cisco certifications ( CCNP / CCIE ) Experience in large enterprise or utility environments Knowledge of network security and firewall technologies AceStack LLC
Vacancy posted 5 days ago
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