Sean Isaacson Email & Phone Number

Reston, Virginia, Us

Bellevue, Wa, Us

.- Responsible for Access and Peering Oracle 6300 SBC's in a lab environment. Build and troubleshoot SIP connections between customers and the lab core wireless switches and IMS environments. Build and test SIP Header Manipulation Rules for production or lab interop issues. Test and certify new software loads. Built out and test Stir Shaken environment through th SBC interconnects. Responsible for HMR's needed to interact with First Orion AS and VS functions. Write and verify MOPS for any new service for production readiness. -Coordinate and test VoIP peering partner interconnect projects in the lab and production environments across many functional groups. Execute test cases, record traces, and log findings for all lab and production test windows. Work with VoLTE/CSCF/TAS, CDMA, Media Gateway and SBC environment to ensure proper SIP signaling and RTP call flows. Work with various vendors on troubleshooting issues related to SIP IETF standards. This includes detailed analysis of SIP registration, subscirbe, request and response messages including SIP body and SDP information.

Contracted to Sprint for IMS Core & Switched Access Development• Coordinate and test VoIP peering, vapor, and partner interconnect projects in the lab and production environments across many functional groups. • Execute test cases, record traces, and log findings for all lab and production test windows.• Work with class 4 and 5 switching, Media Gateway and SBC environment to ensure proper SIP signaling and RTP call flows. This includes wireless and wire-line originating and terminating traffic types.• Work with various vendors on troubleshooting issues related to SIP IETF standards. This includes detailed analysis of SIP request and response messages including SIP headers and SDP information.• Troubleshoot WAN segments for SONET and Layer 3 BGP issues within Sprint or third party segments.- Maintain and configure Oracle Acme Packet SBC's in a lab environment. Build and troubleshoot SIP connections between customer and the Core switches and IMS.

Overland Park, Kansas, Us

Worked in network operations of Overland Park, Burlingame CA, and Herndon VA Technology Development labs. Responsible for the build out and maintained all core network infrastructures. This included various routers,switches, servers, and firewalls. Performed upgrades, provisioning and troubleshooting.

Overland Park, Kansas, Us

. Responsible for the build out and maintained all core network infrastructures. This included various routers and switches. Performed upgrades, provisioning and troubleshooting.Built out the network and responsible for maintaining the seven "Over the Air" cell sites used for drive testing and field trials. This included IP and T1 backhaul build out and troubleshooting.Lead the project to relocate several production and development servers into the lab. This involved coordination with domain naming and firewall port assignments. Revived one application server without support contract. This initiative lead to significant cost savings.Lead the projects for next generation voice mail POC involving Comverse Insight Visual Voice mail, infotainment, e-mail notification, voicemail to MMS, who-called and smart-call.Managed retrieval of voice mail for CVHS POC. This had included setting up voice mail accounts and providing technical support for Insight regarding IMAP procedures in converting Comverses proprietary .SBC file format into a .WAV file format.Also PSI POC with Qualcomm and Qpass involving SMS short codes and WAP pushes to handset for mobile purchases and billing.

Espoo, Southern Finland, Fi

Installed, tested, and turned-up 1630SX and 1631SX digital cross connect according to Alcatel and Nextel standards. Supervised contract crews of six personnel on the installation of hardware. Installed software and provisioned system by adding T1's, T3's, and adding cross-connects, then tested and certified via test equipment

Overland Park, Kansas, Us

Broadband Local NetworksContracted through Advantage Tech. Monitored and provisioned ADSL service over Sprint's ATM network via the Alcatel Work Station. Helped PC and Central office technicians troubleshoot customer's problem from modem to DSLAM.Monitored ION cages during the POC phase before turn up at various LEC locations.

Helped consumers purchase the right computer for their needs at the Country Store. Provided Technical Support to current customers.