Sean W Ellis
sellis@totallygeek.com

SUMMARY

Computer professional of more than fifteen years experience, with an extensive background in network operations, data communications, systems engineering, host auditing, service security, and software development. I work equally well alone and in groups, am always considerate of decision impact, focused on goal completion, self-sufficient, and positive.

SKILLS

Network Switching / Routing / Security / Load Balancing
Foundry, Cisco Catalyst, Cisco routers, Pix, Juniper, NetScreen, NetScaler

Data Communications Concepts
IP, OSPF, EIGRP, BGP, IS-IS, IGRP, RIP, VLAN, 802.1X, 802.1D, IPX, IPSEC, PPP, NAT, GRE, ACL, TAC/ACS+, Radius, IPTables, policy-based routing, QoS, VLSM

Data Communications Methods
Ethernet, Token Ring, Wireless, T-1, DS3, Optical Carrier, ISDN, CWDM

Operating Systems
Linux, Unix (AIX, Solaris, OpenServer, OpenBSD, FreeBSD), Netware, Windows

Software Development
PHP, Perl, C, Bash, HTML / CSS, SHTML, CGI

Databases
MySQL, PostgreSQL, Oracle

Groupware and E-Mail
Groupwise, Domino, Sendmail, Spamassassin

LAN Services
Samba / CIFS, NFS, Apache, DHCP, DNS, SSH

EMPLOYMENT HISTORY

DreamWorks Animation06/2007 to Present
Senior Network EngineerLos Angeles Area

Design, implement and maintain LAN/WAN for multiple production studios and attached partner networks. Switch platform is mostly Foundry, with egress routing and security being Cisco.

  • Consolidated multiple Checkpoint, NetScreen and Cisco firewall rules and VPN connections onto tandem Cisco ASA’s
  • Configured BGP for multiple Internet connections
  • Upgraded campus switch platform from HP ProCurve to Foundry gear

MobiTV02/2006 -- 06/2007
Manager / Architect, Data Center OperationsSan Francisco Bay Area

Responsible for all functions of MobiTV global data centers, content ingestion sites and hosted equipment; including network connectivity, security, load balancing, service monitoring, and host provisioning.

  • Migrated production environment from 120 system hosted environment to 500+ system collocation site, building L2/L3 infrastructure for high availability
  • Developed management console for video encoding system, used to launch more than one hundred channels
  • Managed support team with on-call schedule for 24x7 administrator coverage
  • Designed logical network segmentation using VLAN’s, configuring access control lists for all L3/L4 traffic; 802.1Q trunks to limit host cabling, and load balancing for appropriate services
  • Turned up more than twenty high-bandwidth IPSEC tunnels for telcos and wireless carriers; developed custom VPN monitoring system with automated problem remediation

First Victoria National Bank11/2000 -- 02/2006
Senior Network Engineer and Data Services OfficerVictoria, Texas

Design, implement and maintain LAN/WAN for multiple bank processor and more than twenty-five remote sites. Ultimate responsibility for data communications at all OSI layers; Cisco, Avaya, and MCK voice systems; and Netware, Linux, Unix, and AS/400 servers and services.

  • Sole network administrator while assets grew from 400 million to 1.1 billion
  • Migrated network from IPX and NETBIOS to standardize on IP
  • Conceived and executed plan to provide digital phone service to all branch locations, centralizing administration; first using PBX-over-IP, later implementing VoIP
  • Worked on development efforts to eliminate multiple Unix vendors, provide single-purpose secure lobby kiosks for customer access, monitor critical network services, offer forms database and intranet information repository, and curtail email spam

Aloe Software Group12/2000 -- 02/2006
Owner / ConsultantVictoria, Texas

Provided initial capital and credit. Was responsible for company’s initial network design and customer implementation issues, being an application service provider for multiple Texas public school districts and education service centers.

  • Lead three-person development team over eighteen months, creating trend analysis software on speculation, with input from Texas ESC Region III, using LAMP (PHP)
  • Consolidated school district resources within Region III, lowered support system count from more than eighty to eight, implemented email spam controls with custom control panel for district administrators, and centralized domain name services
  • Attended Texas Association of School Administrators conference, demonstrating software solutions from booth
  • Drafted documents submitted to sealed bid openings for multiple school districts

Office Systems Center03/1995 -- 11/2000
Systems Integrator / Unix Developer / Internet Services ManagerVictoria, Texas

Technical lead for computer services company. Provided customer solutions via hardware, software, custom applications, and Internet services.

  • Principal developer of Criminal Law Attorney Support System (CLASS), originally in C, later in Perl with PostgreSQL, now used by more than ten percent of Texas districts for hot check and criminal case management
  • Developed document imaging system, used by several banks and the Guadalupe Blanco River Authority
  • Migrated leather products company from NTX to Datamodes on Netware, using Dataflex to consolidate inventory with five acquired companies
  • Positioned company as a business-only Internet provider by designing a solid network and hosting infrastructure; training staff on Linux administration
  • Migrated more than fifty networks from Netware to Linux-served environments

Bit Solutions07/1993 -- 03/1995
Owner / ConsultantCorpus Christi, Texas

Worked on initial network and Unix host design for Internet Connect Services, Testenger Internet, Texas Crossroads, and Victoria Internet Providers. Provided networking consultant services for Mobil Oil, Corpus Christi Caller Times, and others. Worked extensively with LANtastic and Netware on small local area networks.

Vidi Software02/1992 -- 07/1993
Software DeveloperBryan, Texas

Developed terminal program for automated client software updates. Built eBBS system for product update distribution. Migrated system to Wildcat! BBS software, developed custom doors using Turbo Power Libraries and Pascal. Developed VMS and Unix software using C programs and shell scripts.

Texas A&M University08/1991 -- 12/1991
Systems OperatorCollege Station, Texas

Provided user support as a volunteer in the Sparc and IBM labs.

EDUCATION

Certifications

Cisco Certified Network Associate CCNA 06/2005
Red Hat Certified Engineer RHCE Enterprise 803004681810779 02/2003
Red Hat Certfied Engineer RHCE 807202159704715 02/2002
Tarantella Enterprise Administrator 06/2001
Leviton Certified Fiber and Copper Network Installer 04/2001
Certified Novell Engineer CNE 5 08/2000
Certified Novell Engineer CNE 4 05/2000
CompTIA A+ 05/2000
Compaq Accredited Systems Engineer Netware / Proliant Specialist 10/1998
Certified Novell Engineer CNE 3 07/1998
Certified Novell Administrator CNA 3 02/1996

Training

Advanced Juniper Networks Routing M/T Series 10/2006
NetScalar Load Balancing 10/2006
Web Site Development and Design 03/2002
Avaya G3Si Administration 02/2001

Collegiate

Texas A&M University, College Station, Texas Physics 1991