David Dimarzio Email & Phone Number

Boca Raton, Fl, Us

Boca Raton, Fl, Us

Alpharetta, Ga, Us

• Responsible for overall system quality assurance of ESP software releases to production• Developed test strategies, plans, and scripts for testing new software features • Managed and trained our Manila team to run our test scripts for all production night rollouts.• Developed smart batch scripts for our in house SoapPlus tool to automate our xml test cases.• Developed a batch script to convert our test pool of xml files to json format• Created SoapUI interactive scripts for our MFA ESP for biometric phone calls and OTP text • Migrated our test suites to GIT for easy team sharing of projects.• Generated easy to use menu driven scripts to run http/https using a shared test case pool.• Created a single diff script used for all ESPs to compare output between staging and production. • Transitioned our current testing to SoapUI, enabling better test coverage to verify database content and validate specific assertions.• Developed groovy scripts to simplify the creation of standardized SoapUI test suites.• Implemented Jenkins to automate GIT Pulls and schedule test suites to run during off-hours and weekends.

• Maintained and developed both manual and automated Java based Selenium WebDriver scripts• Working knowledge of IDE Spring Tool Suite(Eclipse) with TestNG framework and Maven• Developed test strategies, and scripts for testing Sprint user stories• Submit Jira updates for all QA activities (HP quality center test management, and regression testing)• Review and provide Product Owner feedback of new features and potential enhancements• Provide detailed fault analysis and problem resolution or workarounds• Support script development and execution of performance load models using internal tools.• Provided test support to development and customer service

• HiQ VoIP Switching system specialist for TAC 3 support of Cable operators• Responsible for overall system quality assurance of patches and MOPs released to the customer• Developed test strategies, plans, and IPSL automation scripts for both regression and load run testing• Setup complex simulated call scenarios to help reproduce field problems using IPSL/MGTS tools• Developed VB.net tools to monitor, collect load run statistics and create mass database scripts

• Responsible for overall system quality assurance of CopperCom CSX switching platform• Integration test lead for VoIP/SIP and MGCP/NCS protocol between 3rd party vendors• Developed test strategies, plans, and scripts for testing new software releases along with other QA activities (bug tracking and management, regression testing, etc.)• Participated in the development of new features and established test processes and methodologies• Performed critical remote and onsite software and hardware support for first release application, and post sales

• Iridium Satellite Mobile Switching Center specialist for TAC• Performed root cause analysis and tracking software defects• Designed and coded a Visual Basic program to translate digits based on customer database requirements• Completed AT&T Wireless pre-FOA integration/acceptance of soft switch provider Spatial Wireless Inc.• Provided First Office Application support for Location Based Services for Mobile positioning

•Responsible for overall system integration and system test of Convergent Networks ServiceWorksTM Solution• Interoperability test lead for 3rd party Media Gateways, Media Servers, GR303-RDT and IADs• High level design review/test plan for GR303, VoIP soft switch configuration• Designed the network environment for testing NANP Dial Plans, and Inter exchange Carrier connections• Feature leader for testing MGCP call Auditing, HA call preservation, and Class 5 features• Developed a Visual Basic network translation provisioning tool for integration of MGC Soft switch

• RF Planning – Cell Sites and RF drive test optimization and analysis for maintaining handover/network KPI’s • GSM Mobile Switching Center specialist for TAC• Performed root cause analysis and tracking of software defects• Executed MAP interoperability testing with vendors Nortel and Ericsson• TAC Project group leader for new software acceptance and initial customer first office application• Good working knowledge of protocols which include: PCM24, MTP, ISUP, SCCP, BSSMAP, MAP, DTAP, and SS7• Integrated and tested the Multi-vendor radio system for the PCS1900 PACS Edge network• Provided support of AIN, TR303, EWSD, and responsible for integration of Bellcore ISCP/ISP, Hughes Network Radio Systems RPCU/RP, Cisco’s routers and Panasonic handset.• Designed and coded a Visual Basic program to generate real time traffic load on Panasonic PACS Edge prototype handset