The Senior Network Engineer's role is to design, implement, maintain, troubleshoot, and upgrade both new and existing network infrastructure for a multi-data center environment. The successful candidate will also participate in the areas of Telecommunications and Server support.

The candidate should have experience designing routing and switching environments for multiple sites on a global basis. The candidate should have a hands-on experience, as well as design experience, with firewalls and VPNs. The candidate should have experience with application layer load balancers (preferably F5 Big IP). The candidate should have implemented and supported these designs.

The candidate should have led several large projects/implementations where he/she was responsible for the entire project working with team members both within his/her organization (other network/systems engineers reporting to the same manger/director/VP) as well as those outside the organization (e.g. the marketing department, HR department, programmers that do not report to the same management chain). Skills to be evidenced are the ability to motivate people that the candidate does not have any authority over but are need to accomplish the project and the ability to understand and communicate with non-technical stakeholders.

Education:
· B.S. in Computer Science or a Related Field
· One or more network certifications such as CCNA, CCNP, CCIE, CISSP, CCIP, CCSP, (MPLS exam desired)

Technical Skills/Experience:
· 5 to 10 years of Networking Experience (CISCO preferred) including: TCP/IP, BGP, OSPF, IGRP/EIGRP, STP, VRRP, HSRP, PPP, NAT, QOS, SNMP, VoIP, ACLs
· Experience with BIND DNS
· Experience with email gateways, Anti-Spam, Send Mail
· Experience with Local and Global Load Balancing (F5 BigIP)
· Fluency with UNIX; LINUX, Solaris and Red Hat, Debian
· Network Security including: Firewalls, IPSec, VPN (Juniper preferred), Device Hardening, Vulnerability Assessment, Intrusion Detection
· In-depth knowledge of network monitoring and other network administrative tools is required
· In-depth knowledge of network protocol analyzers/sniffers and use in troubleshooting
· Experience with Network Design
· Experience with Telco provisioning processes required
· Experience with Visio creating detailed network diagrams
· Experience with installation, configuration, troubleshooting of Cisco and Foundry Switches
· In-depth knowledge of DS3, T1, ISDN, and DSL and other bandwidth link specifications and protocols
· In-depth knowledge of heterogeneous networking components along with knowledge of routing/ switching involving VLANs
· Two Factor authentication systems
· Experience with SSL VPN (Juniper preferred)
· Experience with Cable infrastructure

Working Hours:
Normal working hours are standard Monday through Friday business hours. However, this position also requires participation in a 24x7 on-call rotation and off hour's maintenance windows.

This is a full-time position and offers a competitive salary commensurate with experience in a business casual environment. We also offer an excellent benefits package including medical, dental, vision, life insurance, tuition reimbursement, company matched 401(k) plan, and more.

Please submit resume to: www.costar.com/careers.

We are proud to be an EEO/AA employer M/F/D/V. We maintain a drug-free workplace and perform pre-employment substance abuse testing.

If interested, please apply online at http://track.jobviper.com/ViewJob.asp?id=477087-1281-6469