Freelance L2 Network Support

Sybex Support Services • San Antonio, TX, US • 2w ago

Key Responsibilities

Monitor and maintain network performance to ensure system availability and reliability
Configure and install network devices and services, such as routers, switches, firewalls, load balancers, VPN, and QoS
Perform network maintenance and system upgrades, including service packs, patches, hot fixes, and security configurations
Provide Level 2/3 support and troubleshooting to resolve network issues
Work within established configuration and change management policies to ensure awareness, approval, and success of changes made to the network infrastructure
Liaise with vendors and other IT personnel for problem resolution

Required Skills

Proven hands-on network engineering experience
CCNP or higher certification (CCIE and/or CISSP highly valued)
Deep understanding of networking protocols (e.g., IPSEC, HSRP, BGP, OSPF, 802.11, QoS)
Solid understanding of the OSI or TCP/IP model
Hands-on experience with monitoring, network diagnostic, and network analytics tools

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