Chance P. Castro
307 Tulip St
Fairfield CA 94533
zimmzero@gmail.com

OBJECTIVE

Seeking a position that will leverage and utilize my skills and experience in Data Center Infrastructure, Horizontal Structured Cabling, Networking, VoIP/Telephony, and within the field of Telecommunications. 

SKILLS
- Fiber/UTP Distribution, terminations, cabling/assembly materials and sourcing
- Materials sourcing & purchasing
- BICSI RCDD training
- Data Center Technologies
- Networking, Wi-Fi & Analysis
- VoIP, PBX technologies, Fixed Mobile Convergence
- Call flow debugging 
- TDM/ISDN debugging, Call flow analysis and troubleshooting, - Wireshark/PCAP debugging
- CCNA Training

EXPERIENCE

12/16/2013 – Present
PGE – Fairfield CA
Telecommunications Engineer- Journey ESC
- Coordinated work & project plan details for multi-site data centers.
- Data Center OSI Layer1 design and engineering
- Performing site walk-downs based on IT project build-outs
- Implemented line of business system network physical connectivity requirements to deploy computing infrastructure to data centers
- Designed horizontal structured cabling(UTP/Fiber) interconnect from data center systems
- Construction package technical documentation outlining required Bill of Materials, structured cabling originations/terminations and assemblies, and network topology 
- Subject matter expert/POC for data center OSI Layer 1 infrastructure
- Deployed/Supported projects from multi-site data centers, and campuses
- Provided consult, guidance, & coordinated contractors for data center work
- Provided data-center related training to other engineers and contractors
- Streamline/Developed methods and procedures in data center day to day operations
- Cross trained/mentored junior/associate engineers for data center technologies, process, & methods

11/2013 – 12/16/2013
Siriq LLC - Alameda, CA
Wireless Support Engineer
- Provide SME assistance to LTE/ANOVA testing process
- Drivetesting LTE carrier testing platforms TEMS, JDSU, Anite-Nemo
- ANOVA1.5 testing
- Develop KB and technical documentation for testing process
- Provide onsite training to field testing personnel

10/2009 - 8/2013
BlackBerry/Research In Motion - Redwood City, CA
Analyst III
- Level II/VAR Case Escalations for Mobile Voice System (Ascendent, RIM/BlackBerry) 
- Replication/Verification of faults/issues from case escalations 
- Build/Maintain lab environments essential to faults/issue replication 
- Level II Support for Ascendent Mobility Server 
- Configured PBX, user profile, voicemail, extensions, DID, DNIS/ANI translation
- Troubleshoot VoIP call setup/signaling/routing and delivery issues 
- Configured Dialogic Media Gateways 
- Configured/Fault Isolation VoIP-SIP configurations and call flows 
- Configured BlackBerry devices for Wi-Fi connections
- Configured Windows Server installations/integration for BlackBerry MVS server
- Supported VoWLAN optimizations (heatmaps, walk around testing, audio quality, call connectivity) 
- Call flow analysis, Call routing configuration and troubleshooting
- Implementation/troubleshooting of codecs g.711, g.729 and transcoding
- Performed Wireshark PCAP analysis
- Performed CUCM log debugging 
- Supported and verified provisioning BlackBerry smartphones running GSM, CDMA, LTE 
- Remote login to servers via UVNC, Netop, Bomgar/Netstream and WebEx
- Mobile device switch provisioning verification
- Developed Documentation, Training, and Technical Knowledgebase authoring 
- Assisted in developing policies, methods and process necessary for daily operations

1/2007 - 10/2009
Ascendent Systems - Redwood City, CA
Support Escalations III
- Escalation Support for Ascendant Mobility Server/BlackBerry Mobile Voice System
- Configured/Fault Isolate SIP, TDM, IP traffic 
- Call flow, latency, audio delay analysis 
- Supported BES- MVS Integration 
- Bug Report Tracking/Escalation 
- Process, Technical, Knowledgebase Documentation 
- Configure/Maintain lab environment

10/2006 - 1/2007
Comcast Communications - Antioch, CA
LMC Technician II
- Network Outage Escalation 
- System Fault Isolation 
- Hybrid Fiber Copper network fault Isolation 
- Trouble Ticket Escalation/Resolution 
- Technical Documentation

11/2005 - 6/2006
Spirent Communications - Sunnyvale, CA
Product Support Engineer
- Supported configuration of Abacus telecommunications bulk call generator 
- Supported configurations for but not limited to technologies for T1- CAS,T1-ISDN, T1- SS7,SIP/H323 VoIP 
- Supported configurations for processing test calls and patch confirmation from switches, exchanges, analog devices 
- Debugged communication signaling protocol state machines 
- Performed network troubleshooting of IP- based telecommunications equipment 
- Debugged IP packet and call trace 
- Maintained lab equipment inventory

12/2004 – 11/2005  
SYSMASTER CORP - Emeryville, CA 
Support Engineer II    					
- Provide 2nd Level Support for VoIP Digital Gateways and Gatekeeper Solutions
- Performed installation and configuration of IP/Centrex Digital PBX
- Performed VoIP platform billing analysis
- Performed configuration and deployment of VoIP Digital Gateways and Gatekeepers platforms.
- Performed LINUX- based configuration and integration of VoIP Digital Gateways and Gatekeeper platforms.
- Performed real- time SIP/H323 protocol Call- Flow analysis and debug
- Configured T1/E1 PSTN setup to Digital Gateways
- Performed configuration, registration and debugging of SIP/H323 ATA, IP- Phone, and Softphone endpoint devices  

8/2003 - 12/2004  
VISIONEER INC- Pleasanton, CA
Technical Support Engineer II    			
- Provide second level technical support on all Visioneer hardware and software
- Supported USB peripheral installation under Win 9x/Me, Win 2000/XP
- Train end users with usage of Visioneer hardware and software
- Works with design/software engineers on BETA projects to train and assists in Quality release
- Provides immediate customer assistance for emergency and urgent fixes as defined in service definition. Creates temporary "work- around" for immediate customer issues where appropriate
- Escalates to Level 3 customer issues unresolved at Level 2 by packaging, with concise description, actions, and traces required for escalation of "bugs" and/or "request for assistance".
- Create technical documents and training material  

2/2003 - 9/2003  
ITT Technical Institute - Hayward, CA
Telecommunications Laboratory Technician    
- End User Desktop Support NT/Windows 2000- based workstations, maintained student lab equipment types [telecommunications, telephony and electronics hand tools and bench test equipment]
- Maintained network domain, internet connectivity and DSL services  

12/2001 - 8/2003  
Women's Economic Agenda Project - Oakland, CA
Desktop/Network Technician    
- PC and MAC Maintenance, Material Purchasing
- Supported Windows 9x/2000/NT4, MAC OS 8x/9x/10x
- Installation, Termination, & Management of CAT 5 Cabling
- Laboratory Equipment Maintenance, Server maintenance
- Help Desk, Trouble Ticket Escalation and Resolution, User End Desktop Support  

3/2000 - 5/2001  
AT&T Broadband - Concord, CA
TAC Technician    
- Field Support and provisioning of Network Interface Units
- Performed Telemetry and Data testing of Network Interface Units
- Activated Telephony POTS installation services.
- Responsible for performing test, activation, troubleshooting and coordinating system information for field personnel 
- Coordinated with Pre-Provisioning, Switch Provisioning, Telephony Support Team, LEC, LOC, NPAC and NOC
- Unix/Linux based software applications  

8/1997 - 3/2000
AT&T Cable Services - Livermore, CA
Technical Support Representative II    
- Received 1st and 2nd level calls relating to system specific customer Analog and Digital service problem.
- Troubleshooting service- customer equipment (Audio/Video, CATV setup) relationship problems over the telephone minimizing onsite truck- roll.
- Coordinated technical information and assisted in training new personnel  

EDUCATION
 
9/2004 ITT Technical Institute of Technology  			Hayward, CA  
BS in Electronics Communication Engineering Technology
 
7/2002 Heald College  						Concord, CA
AS in Computer Technology/Operating Systems

PROJECTS

Bishop Ranch San Ramon – Video Wall
San Ramon – Wireless Lifecycle Upgrade
Fairfield – ECP
Fairfield – FIP/VoIP
Fairfield – VMAX/VBlock Storage Systems
Fairfield – Isilon Storage Systems
Fairfield – CC&B
Fairfield – MPLS Migration
Fairfield – MPLS Peering
Fairfield – SAP DR
Fairfield – IAAS DC Pods
Brentwood – MPLS/Gas SCADA