SUMMARY:

• I am an effective and accomplished professional with over 20 years experience, highly skilled in network design, routing, engineering and administration of voice and general systems. I am a effective problem solver who consistently follows through, and is proficient at identifying and resolving issues as the final escalation point.
• I would like to bring my expertise and experience to work for you.
• Planning, testing, reviewing and designing large to small networks.
• Extensive design experience with Cisco routers and switches with Layer 2 & Layer 3, metro Q - n-Q, switch and router replacement.
• Used other vendors such as Juniper, Adtran, MicroTik, AudioCodes, Siklu
• General network utilization forecasting & risk prediction, throughput testing.
• Implementing traffic marking and QoS network wide and understanding of network protocols.
• Working with carriers and network interoperability testing.
• Working with packet analyzers such as wireshark, tcpdump & ngrep to debug issues.
• Traffic accounting/reporting and billing systems
• Setup and maintain network firewalls, F5/Citrix load balancers and LB agents, VPN servers.
• Network security and network attack mitigation strategies.
• Client support and internal operational support for business as needed.

TECHNICAL SKILLS:

Networking skills: Cisco IOS & XR (Switching & Routing), Juniper M Series, Adtran (Switching & Routing), MikroTik, Siklu, Aironet

Protocols & Technology: IPv4/IPv6, Confidential, Confidential, IS-IS, EIGRP, MPLS-TE/VRFs/VPLS/L2VPNv3, 802.1Q/ISL, Etherchannel, VTP, HSRP Installation of T1/D3/Sonet, DSX, Ethernet, Serial Wiring, DSU/CSU, Frame-Relay, DSL, Multiplexers, Fiber, NAT, ACLs, MLPPP, QoS/DiffServ, Cflowd, ASN & IP Mgmt, Circuit Load Balancing, Working with ARIN, Microwave networking 2.4, 5 & 74 Ghz, RF, Antenna theory, 802.11 a/b/g/n/ac, licensed / unlicensed setups. Application load balancing with NetScaler & F5, Various firewalls

Voice over IP (VoIP): Extensive Asterisk support since 2001, Ver 0.98 - current, OpenSIPs, SwitchVox, NetSapiens, Phone support Cisco/LinkSys, Polycom, Aastra, Grandstream, Call Routing, IVRs and all features within a PBX, RTP/SIP QoS, AGI/scripting, PostgreSQL & MySQL support, Integration with Telcordia dbs, LCADS, LERG, Customized area code maps. Creation of PHP interfaces to interact with PostgreSQL databases, Least Cost Call Routing. Channelbanks, POTs/T1/PRI Cards, Analog and Digital devices, AudioCodes Gateways, Adtran Gateways. SIP Packet tracing and debugging

Operating Systems: Linux, FreeBSD, Solaris/SunOS, OSX, NT/Windows/XP, XEN, KVM, VMWare Performance tuning, Security Monitoring, RAID setup & monitoring, Encryption Software OpenSSL, SSH, PGP/GPG. All popular flavors of Linux in both 32 and 64 bit platform and multicore/CPUs, Setup kickstart systems, IPTables, SELinux. Software and hardware RAID solutions and monitoring, Installation of most OpenSource software, Compiling software

Programming: Shell, Perl, PHP, Basic, PostgreSQL, MySQL, HTML, CGI, LaTeX, 6502 Assembly, C, VHDL

Applications (Server setup/working/debugging knowledge): DNS/BIND, FTP, TFTP, DHCP, Web Servers, SMTP/Mail w/DB Modules, IMAP/SSL/POP3, NTP, NFS, SSH/Telnet, RSYNC/RLOGIN, SNMP/MIBs, IRC & XMPP, SIP/RTP/SDP, Syslog Servers w/db, OpenVPN, RWhois. Designed, implemented and documented backup systems, Installation of X Windowing environments, t inc, OpenWRT. Nagios with customized polling scripts, Setup network/server monitoring systems, MRTG/RRDtool, Cacti, RANCID. Instructional and procedural documentation creation using LaTeX, MS Word/Excel, WikiMedia & VI. Synology NAS. Keeping technical data up to date with diagrams (Visio & OmniGraffle), wrote documentation and HOW-TO procedures.

PROFESSIONAL EXPERIENCE:

Confidential

Responsibilities:

• Implemented/created a Confidential network from scratch for a ISP over 100+ peers plus a a few handful of transit providers. This includes both a IPv4 & IPv6 using Dual stack. Including IP planning, management and assignment.
• Created/design/implemented based on using Confidential communities, a routing policy infrastructure for supporting a ISP and it’s downstream Confidential AS Customers.
• Created and setup customized Confidential route-maps as needed to manipulate path attributes and other factors.
• Designed specific announcement rules/configuration of Confidential blocks to facilitate Geo redundancy of a multi-located customers.
• Migration of multiple AS networks into one.
• Redistribution skills, specific intended route-leaks into the IGP for better internal route paths.
• Worked with carriers and customers on setting up connectivity & peering.
• ECMP traffic balancing
• Traffic pattern and flow monitoring, Confidential flow balancing (nfsen/cflowd).
• Worked with route reflectors and confederation technology.
• Worked with Confidential at a global carrier scale.
• Setup route servers

Confidential

Responsibilities:

• Implemented Confidential v2 (IPv4) Confidential v3 (IPv6) in the same ISP above. Resolve any issues that arise.
• Implemented Confidential for customer networks.
• Trouble shoot Confidential adjacencies and routing issues as needed.
• Customized route distribution.
• Multi-path circuit load balancing

Confidential

Senior Network Engineer

Responsibilities:

• Setup and implemented networks using Confidential
• Plan out Confidential NSAP address allocation
• Setup and implemented networks using EIGRP and circuit balancing.
• Setup and configured MPLS using both LDP & MPLS-TE with RSVP. Including using VRF’s, VPLS, L2VPN, L3VPN. Implementing FRR/BFD to ensure proper failover when outages occur.
• Installed routers, switches, servers & cabinets as well as running cabling.
• Making coax/CAT5 cabling and general work with fiber & cross over panels.
• Worked with multi-site datacenters, moving services between datacenters.
• Work on Disaster recovery plans and mitigation.
• Design network infrastructure to inter-connect datacenters
• UPS & datacenter environment monitoring, intrusion detection/alerting & general security.
• Designed and built a complete VoIP service infrastructure using open source solutions.
• Built onsite and virtualized PBX’s and phone configuration automation tools.
• Extensive SIP/SDP/RTP, codecs, debugging skills using both wireshark, tcpdump & ngrep.
• Voice quality monitoring & QoS design.
• T.38 and fax setup and interoperability using Adtran, AudioCodes, Hylafax, Asterisk, channel banks.
• Created Least Cost Routing infrastructure
• Designed a CDR billing system for the voice infrastructure based on PostgreSQL.
• Emergency call handling and routing.
• SIP vendor interoperability testing and compliance.
• SRV load balancing setup.
• Years of experience using Linux (CentOS, Debian), FreeBSD, OpenBSD & SunOS/Solaris.
• Built many functional services based on UNIX such has:
• Ticketing and customer tracking systems
• Advanced monitoring and alert notification.
• Traffic graphing
• DNS systems
• Web/LAMP server email system, spam filtering & mitigation.
• Calendaring servers
• Database systems using both MySQL/PostgreSQL
• Virtualized PBX & SIP/voice routing systems
• Network config management
• Network traffic flow monitoring
• Centralized syslog systems with notification.
• Public FTP, TFTP & NTP servers
• XMPP & IRC group collaboration servers.
• Secure network access servers
• OpenVPN systems
• Kickstart/PXE system setup.
• Ensuring secure systems, and security automation/protection.
• Wrote countless SQL queries and reporting for both in Bash, PHP, Perl.
• Countless bash shell scripts
• Write in both Perl & PHP (learning Python) for shell cli tools as well as web/db based tools.
• File encryption techniques

Confidential

Responsibilities:

• Created hundreds of customer network design plans and infrastructure designs using both Visio and Omnigraffle.
• Written countless system builds guides and procedures for error free duplication & system replication.
• Customer/company instructional guides, step by step, training.
• Used multiple types of documenting software such as MediaWiki, MS Word & LaTeX.
• Written routing policies and configuration guidelines.
• Setup & maintained IP/VLAN management allocation & documentation.
• Worked with VMWare ESXi, building hosts, piping vlans through the vmware stack, HP blade servers.
• Setup and use KVM on Linux and general administration
• Setup and used XEN on Linux and general administration
• Experience with multiple types of Access Points and wireless lan protocols using Cosco’s Aironet, Aruba, MikroTik products.
• Setup microwave links using Siklu millimeter wave technology and MikroTik wireless gear.
• RF quality monitoring and site surveys
• Wireless security and encryption.