SUMMARY:

• Data analyst, programmer and Capacity & Performance engineer with significant experience in data monitoring, data analysis, system simulation and predictive modeling supporting various types of hardware and software systems Confidential all levels: architecture, design, development, test and production.
• Seeking position combining technical and business intelligence predictive analytics.
• My primary interest is in solving problems by combining mathematics and software methods and tools for simulation and predictive modeling of various enterprise environments. Current work: data scientist working in analytics developing network and system capacity and performance modeling.
• Additional experiences include large computer system capacity planning and modeling, industrial and academic scientific software development in integrated circuit Computer - Aided-Design and Test, hardware and software test engineering and elementary particle physics research.
• Excellent written and verbal communications skills (incl. published papers) but am most passionately interested in an opportunity that allows my combining a deep understanding of computer technology, mathematics, and even physics, to solve complex problems and develop software and business communication tools.
• Network capacity analytics using Big Data system tools primarily Spotfire, Tableau, WinSQL, etc.
• CA/Hyperformix Capacity Command Center (CCC)/Data Manager and Current Capacity Reporter (CCR) for system and application workload reporting
• Expert analytical skills (Hyperthreading, SMT impact, instructor on statistics and probability applied to the IT workplace, factorization of independent system components, MPP database system modeling for Design Support, making complex problems simple)
• Analytical queuing models (spreadsheet) and CA Hyperformix Capacity Manager (Queuing-theory based) scenarios: workload growth, hardware changes, workload consolidations, physical-to-virtual models
• Data extraction from Performance Test: LoadRunner Analysis (HP Performance Center) to CA Hyperformix Optimizer tools
• Simulation modeling with CA Hyperformix tools (Optimizer/Navigator, Modeler, AMG, Profiler, Visualizer, Scenario Manager)
• Manual capacity planning and performance modeling (Excel, Oracle's Crystal Ball, Perl scripting)
• Service-Oriented-Architecture (SOA) System Integration Bus / middleware capacity planning
• Windows Active Directory Capacity Planning
• B2B enterprise wide capacity planning
• Contact Center Capacity Planning (including Erlang formula models)
• Massively-Parallel Processor (MPP) computer system capacity planning (BI/Analytics - OLTP/OLAP)
• Architecture/Design Support simulation models for large MPP systems
• DB2 Database performance modeling
• End-User Computing (EUC) capacity and performance modeling
• Statistical Analysis and Probabilistic Risk Analysis (PRA)
• Statistical Confidential Simulation/Analysis Tools (Excel, Crystal Ball, ‘R’, RStudio, 'S', SPLUS, SAS, etc.)
• Windows XP, Unix (sh, csh, ksh)
• C/C++/Object-Oriented Analysis, Design and Programming
• Visual Studio development environment (Fortran, C++), also DEV-C++ IDE
• UI, GUI designer and developer
• Physics and math-based software systems analysis and development (Fortran)
• Software Test, QA/QC, ISO-9000, 2000/90001 Standards
• Documentation (FrameMaker/MS Word)

TECHNICAL KNOWLEDGE/EXPERIENCE:

‘R’, Python, Knime programmingApplication Performance Management (APM)

Response time budget data gathering and application requirements - UML diagramming

Shunra, CiRBA, DynaTraceCustom monitoring tools (DNT/techinfo, etc., Confidential )

SQL Developer, Oracle DB, Sharepoint, XML, Crystal Reports, Sitescope, Windows Resources, ODBC, Hyperformix Heatmaps, WireShark (Ethereal)

Extendsim (by Imagine That ), Java, HTML/JavaScript, Dreamweaver, Cold Fusion, Flash, NMON on AIX

Automatic Test Equipment (ATE) hardware/software: Advantest, Agilent, Teradyne, Credence, Schlumberger

CMOS IC Test, Technology and IC Design and Test CAD Tool Development

CAD/CAE tools: Verilog, Synopsys, LogicVision Embedded Test, VHDL

PROFESSIONAL EXPERIENCE:

Confidential, Philadelphia, PA

Principal Capacity Engineer

Responsibilities:

• Worked in a dynamic, fast-paced, creative group of smart, talented and energetic analysts responsible for enterprise level forecasting, network analytics and capacity projects for Confidential on High Speed Data networks, Video-On-Demand (VOD) and related technologies.
• Detail-oriented statistical analysis of big database tables using SQL (Vertica), Spotfire (TibCo), ‘R’, and Tableau requiring fast turnaround using scripting/programming for accurate, proven reliable mathematical analyses.
• The job skills were rapidly changing and moving toward Data Science / Big Data technologies.
• The analyses and models used national, regional, local, as well as individual device level data sliced Confidential appropriate time intervals (monthly, weekly, daily, and diurnal/hourly, 15-minute, etc.) to do predictive modeling and forecast reporting tools.
• Involved were both current CDN as well as next-generation IPCDN analytics. Fast-paced daily Scrum - based Agile methodology.

Confidential, Charlotte, NC

Hyperformix Tools Application Manager

Responsibilities:

• Managed and applied CA/Hyperformix Capacity Management monitoring tools in a large enterprise production environment including current capacity monitoring and predictive modeling for Ecommerce/Online Banking, Banking Centers Call/Contact Centers, mortgage, insurance, and infrastructure.
• Developed and managed automated monitoring using Hyperformix Data Manager to provide seamless input for both reporting and modeling tools.
• Developed numerous analytical and discrete event simulation models applied to application initiatives.
• The models cover architectural design support, performance test analysis, as well as production capacity planning.
• Also advised and aided in performance test and production triage situations and contributed to development of the monitoring and modeling planning.

Confidential, Charlotte, NC

Lead Hyperformix Modeler

Responsibilities:

• Lead modeler/analyst for performance architecture team.
• Modeled and simulated various sized systems from single servers to large multi-tier physical and virtual servers in initiatives - new and existing.
• Expert in Hyperformix Optimizer, Capacity manager and Data Manager - used in a variety of approaches from early architectural development models through performance test-driven models using LoadRunner performance test data.
• Forecast models yielded projections indicating need of significant new hardware buildouts.
• Developed error analysis and provided confidence measures measuring correctness of forecasts.
• Knowing “how well you measured” was well-received by the developing performance architecture team as an aid in communicating accuracy to business partners.
• Developed response time budget models as a member of the performance architecture team.
• These were combined with workload volumes in a newly-developing support environment targeting performance modeling for very large and complex systems.
• Identified long-running service calls and inconsistencies in response time reports to streamline and increase accuracy of new budget development processes.

Confidential, New York City, NY

Lead Hyperformix Engineering Consultant

Responsibilities:

• On-site Confidential corporate headquarters did performance and capacity test analysis and Hyperformix tool based capacity modeling for the distributed enterprise-wide applications on Windows, Unix, Web Servers, Web-Services, Application Servers, DB2 Connect Gateways, SQL Server Data Base Servers, as well as various middleware and miscellaneous server tiers.
• Forecasted merged environment system utilization using Hyperformix Performance Optimizer for all client-facing and internal applications distributed enterprise-wide.
• Interfaced and coordinated with the local onshore test team. Tests were performed by a large on/offshore testing team.
• Developed new procedures for measuring and applying background subtraction to increase modeling accuracy.
• Introduced variability/error analysis into the modeling process to generate statistical confidence levels.
• Validated complex models with a cross-model methodology in collaboration with Hyperformix.
• Designed experiments yielding reliable VMWARE modeling methodology.

Confidential, Bloomington, IL

Performance Engineering Consultant

Responsibilities:

• Service Management team member Confidential headquarters doing proactive performance engineering of a wide variety of enterprise-wide applications.
• Many of these were firsts and were done along with the development of improved methods.
• Proactive Performance Engineering research lead.
• Did capacity planning for ongoing, evolving systems and test analysis and modeling for new systems under development in various environments.
• Developed new data collection processes and innovative analyses applied to: Windows mid-tier systems and clusters, web-farms, Unix (AIX) servers and Linux clusters, and IBM z/OS mainframe hosts and subsystems.
• The following were supported: Active Directory/NTLM, Kerberos, Call/Contact Center environments including enterprise-wide telephony servers, B2B / Integration server messaging (IBM WebSphere Message Broker) and transformation systems (IBM TX), Massively-Parallel Processing (MPP) Business Intelligence systems, Design Support modeling for new BI system (cpu, response time, memory, I/O, storage), Storage Array Network (SAN) modeling (pioneered), Internet and Intranet system/subsystem capacity planning company-wide.
• End User Computing (EUC) capacity planning.
• Applied error analysis measuring goodness-of-results and provided confidence levels qualifying deliverables to business partners.
• Stressed good communication with multiple audiences.

Confidential, King of Prussia, PA

Lead Independent Analyst & Q/A Software Tester

Responsibilities:

• Validated/verified, critiqued large Confidential simulation system for Confidential vehicle safety analysis - input data, simulation models, source-code vs. requirements, design and code of this critical mission simulation software system.
• Identified weaknesses and suggested improvements to both input data and mathematical models.
• Provided Quality Assurance software tests: unit, integration, system, and acceptance levels as well as a new regression testing system.

Tools: Visual Studio/Fortran-2000, for fastest execution simulation language on Intel-based PCs.

Confidential, Allentown, PA

Software Development Engineer / Member of Technical Staff (MTS)

Responsibilities:

• Created user interface: interactive waveform graphics, data entry systems, command language, interfaced CAD data extractors, online help and documentation (TPG2, Fortran-77).
• Designed and implemented MOTIF-standard Graphical User Interface (GUI) using UIB (ObjectBuilder). Data and control flow, generic dialog box, context-sensitive help, designed icons/short-cut toolbars, CAD data interfaces and graphic specification documentation. Managed GUI development team. (TPG3, C/C++/OOP)
• Pioneered design-to-test interfacing. Organized and chaired committee to standardize ASIC digital simulation data for test automation. Developed CAD data extraction tools for error-free, automatic input of a) device layout, b) digital simulation data and c) wafer array map (controls ATE wafer probers).
• Created algorithms to automate probe card design (chip to ATE probe test head) and associate interactive graphical displays for instantaneous feedback to user.
• Consulted with design and test engineers to solve engineering and production test problems (ongoing Application Engineering).
• Conceptualized and developed large-scale software tool to translate third-party digital simulation event data into cyclized test vectors ready for test program generation (TVT/“Stingray”) in C++ with streaming objects to efficiently process huge databases.
• Observed the need for and pioneered interactive training courses featuring user-friendly, structured real-time tutorials.
• The courses were standardized, continually improved, and covered front-end, handoff and back-end test engineering details. Well-received by students, these modules significantly reduced Help Desk calls.
• Created and maintained generic CMOS technology databases (COM1, COM2, COM2H, COM3).
• Reviewed and updated periodically and as needed to improve quality. The easy access and improved quality of design data enhanced test reliability.
• Embedded a stand-alone translator in GUI to support multiple format input files.
• Simplified and significantly streamlined GUI user activity.
• Solved problem examples: Reused generic data structures eliminating unneeded software.
• Restored incomplete manufacturing files saving many hours of unneeded work. Invented software method to increase digital input vector rate by +33 1/3%.