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# Sr. Network Engineer

- **Company:** United Online, Inc.
- **Location:** Los Angeles, CA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Gigabit Ethernet, Border Gateway Protocol, Unix, Cisco PIX, Complex Networks, Computer Engineering, Perl (Programming Language), Hot Standby Router Protocol, Networking Hardware, Virtual Private Networks (VPN), Network Security, Network Architecture, Routing, Network Administration, Cisco Nexus Switches, Open Shortest Path First (OSPF), Online Service Provider, Shell Script, Sniffers, Transmission Control Protocol (TCP), Tcpdump, Wireshark, Virtual Local Area Networks, Virtual Router Redundancy Protocols, Wide Area Networks, Computer Networking Systems, Load Balancing, Computer Network Technologies, Firewalls (Computer Science), Amazon Virtual Private Cloud (VPC), Juniper, Information Technology, Routing & Switching, Citrix Netscaler
- **Published:** August 9, 2026
- **Apply:** https://www.wayup.com/i-j-united-online-756618554881131/

## About the Role

+ Four years of industry level experience in installing and configuring network systems.
 + Experience with TCP/IP networking and routing protocols: Familiarity with BGP, OSPF, HSRP, and VRRP required.
 + Experience with layer2 switching technologies, VLAN/Spanning-tree/vPC required.
 + Experience with Cisco Nexus and Brocade switches and routers.
 + Preferred experience with load balancing technologies, such as Citrix NetScaler.
 + Experience with Firewall/ VPN/IPS solutions preferred, such as Palo Alto, Juniper SRX/SSG, Cisco ASA firewalls.
 + Experience with LAN/WAN technologies such as Gigabit Ethernet required.
 + Excellent trouble-shooting experience with packet sniffers (tcpdump, WireShark, etc).
 + Experience with network security, network ACL, sflow, and network management.
 + Experience with UNIX/Linux, Perl and shell scripting a plus.
 + Must be an effective written and verbal communicator., + Bachelor's degree in Electrical, Computer Engineering, Computer Science or related field, or equivalent work experience.

## Description

Responsible for the overall network maintenance of a large and complex network infrastructure, in order to deliver online services to customers.
Responsibilities:

 + Install, configure, and maintain network circuits and devices. Keep network hardware/software up to date.
 + Perform the coordination for various networking tasks and projects both within and outside the department.
 + Assist with design and implementation of various network projects.
 + Perform extensive troubleshooting on network circuits, routers/switches/firewalls/load-balancers.
 + Evaluate new network technologies and network devices.
 + Document network infrastructure, network operation processes and procedures.
 + Train and assist Network Engineers as needed.
 + Perform maintenance duties as well as delegate tasks within the group.
 + On-call requiring immediate responses to alerts and addressing network outages.
 + Perform other related duties incidental to the work described herein.


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