R E L E V A N T   E X P E R I E N C E:

• Architect, build and integrate network solutions for customer projects leveraging a shared data center LAN and technologies including:

  • Cisco Catalyst 6500 series switches, Cisco PIX 525/535 firewalls, Cisco CSS 11503/11506 and F5 BIG IP load balancers, Cisco GSS 4490 series global load balancers
    
  • Checkpoint Provider-1 and FW-1 NG-AI on Nokia IP380/IP710 and Solaris hardware platforms

• Manage enterprise network, including 40 remote offices connected via DSL, Cable, T1, Frame Relay, ISDN, wireless and fiber employing:

  • Cisco PIX firewalls, 1600/1700/2600/3700 series switches and routers, VPN 3005 concentrators
    
  • EIGRP, HSRP, DDR, PPP multi-link, VLAN tagging/trunking

• Setup monitoring and management tools to monitor device utilization, traffic patterns, packet loss/latency, connectivity problems using open source solutions leveraging SNMP and Cisco NetFlow technologies.

• Sole responsibility for Linux systems, and enterprise email platform (Bynari Insight Server), comprised of a number of different open source components, including Apache, OpenLDAP, Cyrus, Postfix, SpamAssassin.

• Develop, configure and deploy high-availability and redundant managed services to meet company's SLA-backed 100% uptime guarantee:
  • Servers: Windows NT - 2003 server including Active Directory, MS Cluster Services and IIS; RedHat 7.2 - Enterprise 3.0; high volume deployment using imaging tools
    
  • Storage: SCSI direct attach Dell PowerVault 220S; Fiber channel Dell/EMC 660F, CX-200, CX-500, AX-100
    
  • Firewalls: Cisco PIX, Checkpoint FW-1/NG, Linux-based iptables solution
    
  • Switches: Cisco 2900 and 3500 series, including trunking, Etherchannel, VLAN configuration; Brocade SilkWorm 3200 and 3800 series fiber channel switches
    
  • Load balancers: Cisco CSS 11000 series, Linux-based Linux Virtual Server solution
    
  • Routers: Cisco 2600 series, including routing protocols, OSPF, BGP4; Linux-based zebra/quagga appliance providing VRRP, OSPF and BGP4 over multiple WAN links

• Expedient trouble ticket resolution through exceptional problem solving and troubleshooting skills as a top-level support and escalation point.

• Manage internal core systems to ensure reliable, scalable and centralized systems configuration and management through TACACS+, TFTP and Samba/NFS.

• Research, develop and integrate software solutions to provide:
  • Enhanced information visibility to SNMP monitoring applications using Perl/SNMP
    
  • Centralized management of multiple servers simultaneously using SSH and UNIX shell scripting
    
  • Reduce human-error and increase speed and ease of use of appliance configuration tools using Perl
    
  • VPN solutions based on FreeS/WAN, OpenS/WAN using X.509 certificates and NAT traversal

• Provide general and company-wide technical expertise to ratify architected customer designs and improve workflow, efficiency and simplicity.

• Provided 7x24 industry-respected customer care for managed services as a NOC Analyst, ensuring timely and complete resolution of problems; monitored systems and network status using SNMPc, BMC Patrol, What's Up Gold.

• Manage network operations encompassing multiple 100Mbit links, a regional peering point and over 5000 DSL and co-location customers, leveraging extensive TCP/IP knowledge and experience with:
  • Netgear 726M, Dell 3324 and Cisco 2900 series switches; 802.1q VLAN tagging and trunking,
    
  • Cisco 2600, 7100, 7200 series routers in combination with Linux-based solutions running IBGP, EBGP, OSPF, VPDN, L2TP, PPPoE, RADIUS.

• Successfully deliver reliable, hosted services for over four years:
  • Web-based email including spam and virus detection technologies built on Postfix, Courier IMAP, SpamAssassin, Apache and Trend AntiVirus
    
  • Secure authenticated SMTP relaying services using TLS
    
  • Streaming music engine written in PHP and MySQL
    
  • DNS and web hosting using BIND and Apache for over eight domains
    
  • Communications and collaboration services secured by Linux front-ends and Microsoft servers running Exchange 2000/2003 integrated using Samba, Kerberos and Active Directory.

• Systems and network design, implementation, specializing in Linux and open-source solutions.

• Developed a successful Linux-based server product employing a comprehensive knowledge of:
  • Linux, Perl, C, shell scripting, SMTP, HTTP, DNS, DHCP, FTP, POP, IMAP, NFS, SSL, MySQL
    
  • Software development practices and the software lifecycle
    
  • Excellent troubleshooting, proven problem resolution skills

• Spearheaded development of a service-based VPN component (FreeS/WAN) allowing setup of VPN tunnels from a web-based centralized management interface.

• Co-ordinated the timely delivery of several customized product versions as an empowering team player with a results oriented attitude, excelling at performance under pressure and tight deadlines.

• Designed a classified/personal ad engine for an existing online community, drawing on familiarity with web technologies, tools and languages including Apache, PHP, SQL, MySQL.

• Implemented a client complaint tracking application in MS Access and Visual Basic for Applications.

• Process mapping, operational analysis using a top-down approach; propose streamlining methods.

• Completed accounting and audit operations.

• Network deployment, support and help desk roles for students across campus.

• Engineered an accounting-based reconciliation application with dBASE.

• Computer systems troubleshooting, hardware installation and configuration.