Engineer Customer Service

Graham H. Saunders

Boca Raton, FL *****

Phone: 561-***-**** Email: ********.****@*****.***

SYSTEM TEST ENGINEER

DEPENDABLE, PRODUCTIVE, PROCESS ORIENTED

Expertise in VoIP and multimedia network test

Real time embedded systems development

Attention to detail and accuracy

All phases of software development

Excellent communication skills

TL9000 / ISO9001 procedures

PROFESSIONAL EXPERIENCE

xG TECHNOLOGY, Sunrise, FL 2013-2015

Test Engineer

Integration and System Test for xMax, an all-IP cognitive radio technology that enables robust mobile broadband communications for private, consumer and government networks.

Developed and executed system level test plans to verify functionality and performance of xMax network and management servers

Analyzed problems found using Wireshark traces, MySQL database queries, SNMP commands (MIB Browser) and internal log files

Reported faults with detailed descriptions using Trac and Redmine issue tracking tools

Installed, tested and maintained multiple configurations of xMax Mobile Control Center (xMCC) management servers (DHCP Proxy and xMonitor), via command-line utilities and web-based xMCC admin tool to maximize testing efficiency on System Test and Alpha networks

Trained Customer Service personnel in configuration and operation of xMCC

NOKIA SIEMENS NETWORKS, Irving, TX (Contractor) 2011-2012

Support Engineer

Support at customer sites (labs, trial and production).

S6a integration - Claro trial, Puerto Rico. Bringup of OneNDS and establishment of Diameter interface between MME and HSS/OneNDS

Lab support/upgrades - Time Warner Cable, Herndon, VA. Customizing upgrades of CSCF clusters; lab issue resolution; preparation of OneNDS PGWDS nodes for memory expansion

Network monitoring following S/W upgrade - Verizon Wireless and T-Mobile sites using RDP/ICA desktop and ssh. KPI analysis via shell scripts (output imported into Excel spreadsheets), real time alarm and performance monitoring via Element Manager

NOKIA SIEMENS NETWORKS, Boca Raton, FL 1994-2010

System Test Engineer (2005 – 2010)

System Verification/SQA for NSN IP Multimedia Subsystem (IMS), a SIP based platform that provides an architecture for the convergence of data, speech, fixed and mobile networks. End to end testing of IMS based customer specific solutions.

Analyzed Wireshark and internal traces to localize problems found during test phase, enabling fast turnaround of fixes

Verified Authentication, Authorization and Accounting (AAA) interfaces (AKA and EAP) of IMS core with AAA server and integrated Authentication Center

Installed, configured and provisioned multiple elements of IMS network, ensuring successful lab buildout:

oOneNDS database (TPD generation, installation and configuration of DSAs, DBM, PGW)

oCSCF & HSSd

oHigh security module

Verified support of IMS Zb secure interface between multiple IMS network elements using Solaris IPSec implementation

Leveraged knowledge from TDM (EWSD) development to expedite execution of large volume of subscriber feature tests for Fixed Mobile Convergence solution, using HiQ8000 as Feature Application Server and PSTN Gateway

Software Engineer – Senior Member of Technical Staff (1994 – 2005)

Individual contributor and technical consultant in development and test of call processing and custom call software for Siemens Electronic Digital Switching System (EWSD).

Reduced development time and ensured acceptance of EWSD Lawful Intercept solution by developing centralized mechanism to connect wiretaps (per J-STD-025) for multi-party calls

Delivered multiple revenue generating subscriber features to customer as team leader and primary technical contributor, with minimal defects

Quickly and accurately delivered new features and maintained turnaround time for customer issues through on-call and ad hoc customer support as well as bugfixes

Ensured complete and accurate implementation of call processing features by acting as a technical consultant for Development group and following TL9000 procedures

MOTOROLA CODEX, Canton, MA 1990-1994

Principal Software Engineer

Individual contributor and technical lead in development of call handling software in a wide area network environment (voice, data, Frame Relay, ATM).

Led team of 6 engineers in executing call handling integration tests, receiving recognition for outstanding team performance

EDUCATION

Bachelor of Science in Biology – University of Southampton, Southampton, England

PROFESSIONAL QUALIFICATIONS AND TRAINING

Cisco Certified Network Associate (CCNA) 2006

GIAC Certified Firewall Analyst (GCFW) 2006

MCITP (Windows Server 2008 Enterprise Administrator) 2011

TECHNICAL PROFICIENCIES

C, CHILL, Intel 386 and proprietary Assembler languages

Microsoft, Solaris and Linux platforms

SIP, MGCP, Diameter, LDAP, SOAP, SNMP, DHCP protocols

MySQL database queries

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