Eric Liedtke Email & Phone Number

Arlington, Virginia, Us

• Continued development and support of a wholesale VoIP telephony platform including☼ SIP SBC (C++)☼ Media Server (C++)☼ Web Interface (PHP API/Adobe Flex UI)☼ CDR Collection (Java)☼ Billing platform (Java)☼ Associated Databases (PostgreSQL/MySQL)☼ External Routing Engine ( C )☼ Routing Engine WebUI (RubyOnRails)• Designed and built an API service backed by a micro-service based data plane using Node.js• Designed and built a SIP Based Announcement Server with Recording Management (Angular1.5)• Designed and built a Generic Product Configuration Platform (Angular 2)• Established and managed unit, integration, and end to end testing framework for Node.js projects (Mocha, Sinon, Chai )• Established Gitlab CI Build Pipeline using Docker for all Node.js projects• Experience in the design, configuration, and maintenance of numerous telecom systems, hardware, and software applications.• Proven ability to analyze existing systems and find optimizations and simplifications to boost efficiencies• Expertise in the development and implementation of voice and data equipment.

o Augmented and Supported SIP Based Communications Systems (Signalling and Media)o Augmented and Supported Telephony Routing Systemso CDR Collection and Billing platformo Developed high-quality code, established development standards and led by exampleo Created New Roadmaps for existing productso Designed reusable software components used to create o SIP Based Data Service o CNAM Query Application o LRN Query Application

Austin, Tx, Us

o IP network design and configuration o VoIP network design and configurationo Development of in house tools including a call routing engineo Administration of Linux support systemso Automated various network functionso Augmented and Automated existing monitoring Systemso Forward looking R&D o Final tier support for our operations groups

Fr

o IP network design and configuration o Linux and FreeBSD Systems Administrationo EMail / DNS / Web Hosting Supporto Built New Services Provisioning Toolo Augmented and Automated existing monitoring Systemso Final tier support for operations group

Austin, Tx, Us

o Deployment and Support for Xylan (Alcatel) and Marconi ATM Switches using RFC 1483 Lucent TNT Platform Sonus Networks GSX/PSX/SGXo Administration of Linux/Solaris/FreeBSD support systemso Created new automated functions in the networko Monitoring Systems Augmentation and Automationo Support for our operations groups and customers

Was hired as part of a contract for an internal project to migrate services from aging DEX switch infrastructure to a new DMS network buildout. Handled turnup of new trunks to tandems and E/O and coordinated and ran late night hot-cuts to migrate services between switches. Worked on o DSC DEX600 o Nortel DMS500 o Tellabs Titan DACS o Alcatel Fiber Distribution Equipment

Us

As part of the Nocc maintained a regional telecommunications network , including multiple translations and trunking on DMS500 and DEX600(E) switches,Tellabs Titan DCS systems, and Alcatel fiber equipment.

Arlington, Virginia, Us

Operated/Maintained the Army's largest tactical telecommunications switch , in multiple theaters of operations, including Ft. Bragg, Germany, and Hungary.

Electrical And Electronics Engineering

Computer Science

Liberal Arts And Sciences/Liberal Studies

History And Langauge