Engineer Manager
Resume:
Derick Wu
Elmhurst, NY *****
Contact: Cell 646-***-**** or Email: *******@*****.***
SUMMARY
More than 20 years of technical lead experience in Network Systems, VoIP Application Analysis, Servers and Storage Monitoring, Software Application Design, Developments, and Customer Support.
Excellent knowledge in Enterprise Network Management Systems CWM (Cisco WAN Manager/SV+), HP Open View, Lucent Cascade View Network, Netcool, and CA Spectrum Management Systems.
Expert and Specialized in UNIX, Linus, Wintel, AIX, Shell Script, Oracle 9.x, HTML, XML, Java Script, and CGI-Perl.
Versatile team player and proven problem solving skills. Excellent interpersonal communication skills and technical documentation skills.
Excellent in customer interaction, training and support. A well-rounded self-motivated individual.
TECHNICAL EXPERTISE:
OPERATING SYSTEMS UNIX, HP-UX, SunOS, Sun Solaris, AIX, Linux, Windows based Servers, Desktop, and AS/400
LANGUAGES JAVA, PERL(DBI), SHELL(bash, awk, sed), Expect, CGI scripts, C, C++, Pro*C, PL/SQL, SQL, SQL-Plus, XML, and CFML (Cold Fusion Markup Language)
WEB SERVERS Apache and Netscape
DBMS Oracle 7.x/8i/9.i, Informix, MySQL, Sybase, DB2, and MS-Access
HARDWARES Cisco MGX-1, MGX-45 (MGX-8850), Catalyst 6509, 6513, BPX, and AXIS switches. and Lucent GX-550 and CBX500 switches. Sun-Sparc, Enterprise Server, Sun Workstation and Intel based PC.
SERVERS; DATABASE; STORAGE
MONITORING BMC Patrol KM and EMC Control Center Applications
NETWORK MANAGEMENT
SYSTEMS AT&T Alarm Manager, Cisco WAN Manager, Lucent Cascade View NMS, CA Spectrum, IBM Tivoli Netcool NMS and HP-Open View
NETWORKS IP, ATM, IP Frame Relay, Frame Relay, Gigabit Ethernet, and LAN
NETWORK PROTOCOLS TCP/IP, FTP, UDP, HTTP, SNMP, SMTP, OSPF, BGP, and MPLS
PROFESSIONAL EXPERIENCE
AT&T Virtual DS1 CMC Jul. 2014 to Present
Sr. Network Support
Description: Provided senior network support to AT&T Network Connection (ANC) services customers. Oversee all ANC customer escalations on voice, networks, and connectivity trouble issues.
Responsibilities:
Proactively monitor ANC customer ticket escalations to reduce customer services failure and impact.
SME to assistance DS1 technicians, customers, users and offer solutions in trouble analysis and trouble isolation to reduce service MTTR.
Interact with customers, users, and account teams on trouble issues and to provide recommended solutions support customer satisfaction.
Evaluate critical issues based on business needs and trouble ticket severity to provide proper escalation to increase productivities.
Perform follow ups and meetings with customers on issues that involve with other organization or teams for root cause analyst and to eliminate repetitive or chronical failures.
MetLife Sept. 2011 to Feb. 2013
Sr. System Mgmt Engineer
Description: Operated on Remedy ticketing system base user’s requests and fault management alerts environment in support of MetLife servers (AIX and Wintel), database (MSSQL, DB2, Oracle, Sybase), and storage (Arrays: Symmetrix, Celerra, Clariion, and IBM) monitoring. The MetLife servers, database and storage monitoring are supported in BMC Patrol KM and EMC Control Center platforms in two major data centers. Utilize BMC Patrol KM to monitor MetLife servers and databases based on users request in either or both Base rules and custom rules. Analyze trouble tickets, trouble shoot BMC Patrol KM alerts and notify operation or users on proper action to resolve issues. Utilize EMC Control Center application to monitor storage arrays that utilized by MetLife servers in two major data centers. Design, configure, and setup SNMP traps monitoring and processing in CA Spectrum application in support of storage monitoring platforms migration from Tivoli Netcool platform.
Responsibilities:
To repair or to restore BMC Patrol KM configurations per Remedy tickets escalated from operation.
Create, Configure or Update custom, base Patrol rules for monitoring including DATABASE, TABLE SPACES, FILESYSTEM, CPU, DISK…..etc.
Trouble shoots Patrol agent failures, restore Patrol agent, and install database KM processes.
To repair, restore, or install EMC Control Center master, host and other ECC storage agents in support of storage monitoring.
Trouble shoots ECC master and host agent issues due to memory, disk capacity or files system problems.
To design and configure SNMP traps monitoring in support of multiple storage platform monitoring. The monitoring platforms include ECC, Sentinel, DCFM, and VPLEX.
To create custom alert mapping to handle SNMP traps that were not defined by vender MIBS so that CA Spectrum application would be able to monitor those SNMP traps in support storage monitoring.
Set up and configure CA Spectrum application to integrate with BMC Impact Manager in order to pass the selective alerts to generate operation tickets.
AT&T PMOSS Consultant Sept. 2009 to Jun. 2011
Network Systems Engineer
Description: Created business requirements to support AT&T Network Performance Management Operation Support System for VoIP application platforms. Perform network equipment data analysis and VoIP call flow analysis with several vendors’ equipments. Create system requirements to alert performance degradation on both Call Detail Records (CDR) and Equipment Data performance and produce Call Detail Record Adhoc report and Equipment performance reports. Vendor equipments include Sonus GSX, PSX, and SGX. Baypacke equipments Genband and Weblogic Application Servers. IPBE equipment IBM Blade Servers. Broadsoft equipments supporting Voice Enhanced Application Server platform that supporting VDNA capability.
Responsibilities:
Reviewed business requirement and created feasibility cost estimate.
Created business requirement and technical requirement based on project approval.
Worked with project development for End to End project development process.
Worked with upstream and downstream systems to create application interface documents.
Reviewed business requirement and technical requirement with development and system test teams and business partners.
Created business requirement test guideline.
To plan and organize operation readiness test or user acceptance test for project delivery.
Created project delivery document and organize project introduction
Provide and support release delivery training for business partners and clients.
AT&T PMOSS Consultant Oct. 2006 to Feb. 2009
Network Systems Engineer
Description: Created business requirements to support AT&T Network Performance Management Operation Support System platform and modules. These modules include support of L2 DSL, FR/ATM and L3 performance services.
IDT Corporation, Newark, NJ July. 2005 to Oct. 2006
Network Operations Engineer
Description: Worked with network operations and development to plan and organize firmware and software release upgrade to all IVR, VRU, and routers to support VOIP and CallingCard services platform
Responsibilities:
Created projects proposal and plans for network upgrade, systems upgrade solutions.
Designed and created network upgrade procedures.
Created upgrade scripts based on upgrade plan and procedures.
Executed upgrade plan and monitor network usages and prepared back out plan..
Worked with network center operations and provided upgrade status to upper management.
AT&T, Data Network Control Center Bedminster, NJ Sept. 1997 to Feb. 2005
Network Systems Engineer – Network Project Manager/Planner
Description: Worked as a network project manager/planner with High Speed Packet Services network operation in supporting network upgrades planning, network management systems automation planning, and short term/long term network operations support tools of both web-based GUI and backend client-server, using J2EE, HTML, CGI-scripts, Java scripts, Shell scripts, Perl scripts, Expect scripts on both UNIX and Windows-based platforms, with databases of Oracle, Sybase, Informix, MS SQL server, and MS Access.
Responsibilities:
Analyzed network failures and network operations to initiate and plan network automation projects. Executed network automation project plans and network upgrade plans with vendors, systems development, network operations teams. Organized project deployments, using HTML, MS-Project, MS-PowerPoint, MS-Word, and MS-Excel, with all teams to perform systems integration test, UAT and ORT;
Worked with development system engineers and developers on requirements gathering, feature definitions, and created milestones for various system releases on enterprise-level applications. Coordinated with system development, administration, testing, and operations to ensure all QA gates were on target dates for deployment;
Developed network operation tools in supporting ATM and Frame Relay Defect Per Million on network performance monitoring and Morning Report applications using HTML, CGI, Java, Perl, Shell, Expect scripts, CFML with Oracle, Sybase, and Informix databases on interface with both Cisco and Lucent network management systems and network Alarm Management system;
Designed and developed short-fused management, network clients, and network performance reports/Ad-hoc reports by using UNIX Shell, Perl with DBI, Java, and Expect scripts to access Cisco and Lucent networks for real time trap logs and network managers for network performance statistics;
Designed and developed network equipment RMA tool, MFAB (Major Failure Action Blueprint) Web Based Paging Tool, and Productivity tools using HTML, CGI, Java, Perl, Shell scripts and C in UNIX environment to support network operation;
Administrated and maintained Apache and Netscape web servers on network automation tools and reports for network operations and management;
Administrated SUN-Sparc Enterprise servers (primary and backup) and HP-UX servers that hosted all In-house developed network tools/applications and management reports;
Administrated Oracle database with Oracle upgrade for release 7.x/8.i/9.i. Setup CRONS for daily network data load and export, paging scripts when there were database problems, and auto Oracle restart in development environment;
Created Java wrappers with JDBC to encapsulate the database operations with all database (Oracle/Sybase);
AT&T, Consumer Market Division, Piscataway, NJ Dec. 1994 to Sept. 1997
Software Engineer – Project Lead Application Developer
Description: Worked with a team of 11 in OSCAR (Order Status Collection And Report) system. Oversee OSCAR system development and production support. I interfaced with system analysts on user requirements for each system release. Designed and developed systems modules in C, C++, Pro*C, PL/SQL, Oracle stored-procedures, and Shell scripts in UNIX environment.
Responsibilities:
Prioritized project assignment and project manage throughout its lifecycle and coordinate with upstream systems;
Developed and maintained Oracle stored-procedures in PL/SQL and triggers in database;
Developed system enhancement in C, C++, Proc*C, and SQL*Plus with Oracle database, and Tuxedo / Direct-Connect system interfaces;
Designed and developed batch control Shell scripts in UNIX;
Created CRON to intercept intersystem feeds;
Administrated and maintained UNIX systems servers to optimize batch process performance;
Defined data elements and created Oracle database schema;
Created CRON to monitor over night production processes and logs;
Setup test environment and Oracle database for inter-system tests.
AT&T, Chief Finance Organization, Piscataway, NJ Feb. 1993 to Dec. 1994
Software Engineer – Application Developer
Description: The project TRAMS (Treasury Receivable And Management System), credit management support for AT&T Finance Organizations and Commercial Marketing and Account Executives groups. Supported the customer’s ad-hoc requests and seven full LEC Business Take-backs (Windsonsin, SWBTS, Ameritech, Bell South, GTE1, US West, and Pac Tel) with wide range of data volume. The efforts involved the interfacing with billing system on data integrity, process data through TRAMS/CMW, and coordinated with the customer on report distribution. The support included system deployment and report migration. Support D&B Bankruptcy Trial to generate analysis report on the D&B vendor data (Dun and Bradstreet Inc). The trial required to perform several matching process to obtain a better result on evaluate the vendor product and data. The test results were to support the decision of purchasing D&B data and production for collection system process.
Responsibilities:
Developed and maintained TRAMS application modules in C, Shell scripts, UNIX and Oracle environment;
Developed application and Ad-hoc reports with EasyTrieve programming;
Responsible to daily interface with data center on production support.
AT&T, Business Communication Systems, Piscataway, NJ Aug. 1989 to Feb. 1993
Software Engineer – Application Developer
Description: VTNS (Virtual Telecommunication Network System) is a bundled AT&T telecommunication service targeted for large usage of telecommunication customers. The services included SDN (Software defined Network) service, Mega Com-800 service, Watts 800 service and other telecommunication service as request. The VTNS system supported account executive managers for customer billing, standard reports, and customize reporting. I was a lead developer and database administration for VTNS-MORE/VIP system and performed functional design, code, unit test, and installation on the system. Provide production support and database administration support on production.
Education Degree: B.S. in Computer Science in CCNY, 1987
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