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Packet- & Circuit- Switch Core Network Engineer

Resume keywords summary: Packet,PS Core, Circuit, CS Core,Switch Core,Network,CDMA,GSM,3G

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Work Experience

Experience level: 10 +
Profile/Cover Letter: ROLEX CASILLA
email rolexbc@sbcglobal.net
mobile +63-928-938-3458


PROFESSIONAL PROFILE
Results oriented Senior Packet- and Circuit- Switch Core Network Engineer, building on over
12 years of progressive accomplishments in CDMA2000-1x Ev-DO, GSM, iDEN and PSTN network technologies.

Extensive experience in Ericsson (formerly Nortel) MSC/HLR/AC integration/verification office, technical assistance & support, field service, customer support, assisted operations and operation & maintenance and emergency recovery.

Leader and team player, able to multi-task, work exceptionally under pressure and interacts effectively at all levels and across diverse corporate cultures.

AWARDS AND RECOGNITION
Nortel Networks Asia Pte Ltd
Award of Merit Customer Service Category, for achieving the successful commissioning of Bayantel DMS exchanges in 1996.
Certificate of Appreciation Bayantels 350K subscribers Turnkey/Rollout Project Completion.
Certificate of Recognition For the successful implementation of the APC07 upgrade of the Bayantel network in June 1997.

Motorola Electronics Singapore Pte Ltd
Award of Merit Outstanding contribution to the commercial launch of the Singapore Telecom iDEN system on September 1998.

PROFESSIONAL EXPERIENCE


Aircom International (Singapore)
Contracted to Nortel Networks Jakarta, Indonesia
Consultant to Nortel Assisted Operations Services
CDMA Packet- and Circuit- Switch Core Network Assisted Operations Subject Matter Expert
Jun 2006 Present
- Part of a high performance team with exceptional customer satisfaction ratings.
- Delivers a customer-defined skilled resource to the customers site to aid in many aspects of maintaining and operating their Nortel systems.
- Called upon to travel to sites and perform the duties outlined in the service scope of work.
- Liaison between customer operations personnel and Nortel Networks customer support, including Service Account Management, Engineering, Global Nortel Technical Support and Emergency Recovery.
- Provided daily/weekly/monthly/quarterly preventive and routine maintenance processes.
- Demonstrated the performance of tasks required to administer, troubleshoot, and maintain Nortel Networks-provided hardware and software.
- Provided recommendations for performance optimization and increased the effectiveness of maintenance activities
- Demonstrated the use of job aids (i.e., checklists and records) and advocated the use of product-related resources such as documentation libraries and help files.
- Explained possible responses, courses of actions, and task flows that should be considered when events that could adversely affect service quality and prioritized all problem or case to resolution.
- Interpreted and used customer-provided job-specific documentation such as network diagrams and specifications, call statistics, trouble reports, policies, procedures as required to support the implementation and the delivery of services
- Understanding and following the customers proprietary and confidential information security policies and procedures
- Keeping customer operations staff informed about the potential impacts of critical system events and high-priority maintenance activities
- Provided maintenance activity reports and evaluations of operational capabilities
- Adopts, coaches, implements and manages applicable operation and maintenance processes and method of procedures.
- Supplement or augment existing operational team and provided knowledge transfer, on-site mentoring and perform operational functions.
- Responsible for the following Nortel products
Total 11 MSCs with 6 Circuit- and 5 Packet- MSCs from initial MTX13 to current MTX16 load
MSC Server 2000 (VSE, XA-Core and Gate Way Controller), Media Gateway 15K (MG 15K or Passport 15K or MSS 15K or PVG), Call Server-LAN (CS-LAN) and Ethernet Routing Switch 8600 (ERS8600), Services Application Module 21 (SAM21), Universal Signaling Point (USP12), Media Server (MS2010/2020/2030), Audio Provisioning Server (APS), Packet Core Billing Manager (CBM10.0), CDMA Network Manager (CNM4.0), IEMS, Broadband STP (USP12), SPM, CSVS, CS2000 Management Tools (CMT), Network Patch Manager (NPM), Trunk Maintenance Manager, IWF, Patch Currency (downloading and applying), pre- and post- One Night Process upgrade on-site prime and support.

DMN Limited (UK)
Contracted to Motorola Thailand Limited
Consultant to the NSS Operation and Maintenance and Systems Engineering
Sept 2002 Oct 2004

Hutchison-CAT CDMA 1x-RTT, Ev-Do Project in Bangkok, Thailand and Vicinity
10 MSCs- Nortel DMS-MTX and 4 S-HLR and Motorola 20- eBSC and 1200- BTS
- Managed all MSC activities and teams with all functional groups (NSS O&M, System Engineering and 3rd Party Vendors) such as
Inter- and intra-office Integration, system/feature verification, troubleshooting, CCS7/SS7 IOT, BSC/BTS Integration, One Night Process upgrades, Front-end upgrades (XA-Core, MS, ENET), PM upgrades (XPMs and Intelligent Service Nodes).
- Resolved all case requests with Motorola Asia CNRC and Nortel GNTS achieving agreed SLAs.
- Worked with System Engineering in the implementation, Nokia to Motorola BSC-BTS cutover, VO/Integration & ONP upgrades.
- Provided 24x7 on-call technical support.
- Network performance monitoring using Operational Measurements, Excel Macro and Visual Basic.
- Recommended optimization of critical office parameters.
- Capacity, call performance, traffic analysis.
- Log analysis, Billing analysis/verification.
- Authentication optimization
- Translations.
- Prime on-site engineer for One Night Process upgrade of all MSCs, S-HLR, SDM, Pre-check, PM update/loading, Zero-day patch audit. Post-ONP performance monitoring and support.


Edmon Holdings Pt Limited (Singapore)
Contracted to Motorola Electronics Singapore Pte. Ltd.
Consultant, iDEN NSS Engineer
Jul 1998 Oct 1999

- Managed the Motorola iDEN MSC (Nortel DMS-MTX GSM09 Load), VO/Integration, and acceptance of the Singapore Telecom iDEN.
- Resolved all Service Requests with Nortel ETAS and Motorola TSC achieving agreed SLA.
- Worked with System Engineering & Implementation team in the expansion forecast, system verification and scheduling.
- Prepared datafill for expansion and executed detailed test plans and verification of functionality and features.
- Prime on-site engineer/coordinator for the GSM09 ONP upgrade from site preparation, Front-end, PM upgrade to post-ONP monitoring.


Nortel Networks Asia Pte. Ltd., Philippines
Customer/Field Service/Techl Assistance & Support Engineer / Verification / Integration
Jul 1995 Jul 1998
- Served as prime customer technical interface for problem resolution of Wireline and Wireless Telecom Operators in the Philippines including
BAYANTEL DMS-100/200/250/300 350K Local Wireline Full turn-key/roll-out project
NEXTEL iDEN DMS-MTX GSM Load
PT&T DMS-100/200 Local Wireline-Toll/Tandem
CAPWIRE DMS-300 International Gateway Facility
NAGATEL DMS-100 50K Local Wireline-Toll/Tandem full turn-key
EVTELCO DMS-100 25K Wireline and Toll/Tandem cut-over from Alcatel S12
BUTELCO DMS-100 Local Wireline
- Resolved all non-design technical problems associated with applicable product area (Switch/Transmission).
- Isolated and corrected applicable data store problems of elementary and intermediate complexity.
- Verified patches derived from elementary and intermediate complexity fixes provided by Design.
- Assisted ETAS and Design to develop or verify patches of intermediate complexity issues for inclusion in the current development stream.
- Provided 24x7 on-call technical support, First Market Applications VO and ONP upgrades.
- Developed and executed detailed product test plans and test cases for Bayantel APC07 FMA including call processing, system maintenance and inter-switch networking.
- Assisted Design with new feature verification.
- Served as prime customer support for the BAYANTEL Advance Intelligent Network Service Builder.
- Participated in New Product Introduction process ensuring appropriate in-service support is in place.
- Prime APC07 load verification and regression test at the Nortel Melbourne captive office ensuring high quality upgrade.
- Served as System Administrator of the Nortel Field Service Engineering database server and HP Unix workstations.
- Performed VO/Integration, translations, signaling, traffic and network performance analysis.


Ericsson Telecommunications, Inc., Philippines
Test and System Support Engineer
Sept 1993 Jul 1995

- Led a team of 5 Engineers (3 expats & 2 locals) in the installation of the first full turn-key MSC of Smart Communications (Ericsson AXE-10, ETACS CMS8810 MTSO).
- Performed Commissioning, IOT, Provisional and Final Acceptance of Smart Communications MSC, Digitel and Bayantel IGF.
- Preparing data scripts for MSC integration of cell sites.
- Worked with a team of 3 expat engineers in the expansion, commissioning and migration of Integrated MSC-HLR to Standalone-HLR increasing cap from 65K to 350K for the nationwide expansion of Smart Communications network.
- Providing technical support and mentoring operator MSC NOC team with the routine maintenance activities.
- Evaluating, issuing and resolving Trouble Reports with Ericsson Support Offices.


Ericsson Telefonaktiebolaget LM Ericsson, Riyadh, K.S.A.
Test Engineer
Jun 1992 Dec 1992

- Repairing, testing and modifying ARE and AXE-10 switch boards, transmission and power systems from the EMEA region Telecom operators.
- Upgrading, maintaining, revising, repairing, and troubleshooting test equipments for Ericsson Repair Centers in the EMEA region.

Intel Philippines
Senior Equipment Test Engineering Technician
T9 Test Manufacturing Facility
Oct 1990 Jun 1992
- Maintenance, set-up and conversion of Test Engineering equipments for Micro-processors, Flash Memory Devices, SDRAM, DRAM.
- Managing test programs and utilities from the Test Engineering Server to and from the production line test equipments.
- Performing hardware/voltage calibration, DC diagnostics and verification of Megatest II testers mainframe and workstations.


Sumida Electric Co. Ltd. Philippines
Production Engineer
Sept 1989 Oct 1990

- Managed production line equipment for IF/RF transformer assembly and coils for power, signal, inverter and automotive applications.

EDUCATION

Saint Louis University Baguio City, Philippines
Bachelor of Science in Electronics and Communications Engineering
1983-1988
Graduated October 1988, Licensed Electronics and Communications Engineer (PRC License No. 4512) since April 1989

PROFESSIONAL TRAINING
Solaris 2.X System Administration II ECS Computers (Asia) Singapore
Solaris 2.X Network Administration ECS Computers (Asia) Singapore
Introduction to Service Builder Nortel Networks Sydney, Australia
Service Builder Order Provisioning Nortel Networks Sydney, Australia
Service Builder Operations and Maintenance Nortel Networks Sydney, Australia
DMS Telephony Fundamentals and Protel Nortel Networks Ottawa, Canada
DMS Technology Software Nortel Networks Ottawa, Canada
Hp-Unix 10.0 System Administration for the HP9000 series 700/800 HP Makati, Philippines
Hp-Unix Fundamentals of the Unix OS HP Makati, Philippines
DMS-100 Family System Installation Documentation Nortel Networks Sydney, Australia
DMS-100 Family Systems Operations Nortel Networks Sydney, Australia
DMS Supernode System Basic Maintenance Hands-On Nortel Networks Sydney, Australia
P-MSC Solutions Overview (Course 1021) Nortel Networks Jakarta, Indonesia
P-MSC Basic Operations (Course 1028) Nortel Networks Jakarta, Indonesia
P-MSC Testing and Troubleshooting (Course 1029) Nortel Networks Jakarta, Indonesia

TECHNICAL SKILLS
Switching Platforms
Nortel MSC Server 1000, Media Gateway 15K, Call Server LAN/Ethernet Routing Switch 8600, SAM21, Universal Signaling Point, Media Server 2010/2020/2030, Audio Provisioning Server, Core Billing Manager, SPM, VSE/XA-Core, SNSE/SuperNode, DMS-MSC/MTX, S-HLR, DMS-100/200/250/300 (Local/Toll/Toll Tandem/International Gateway), Adjunct Processor, Advance Intelligent Network Service Builder
Ericsson AXE-10 MSC
Hardware Protocol Analyzers (Siemens, Tektronix, HP), HP-Ux/Sun Solaris Workstation/Server, Macs, PCs running 2K/XP/Vista/win7/Linux OS
Protocols CDMA (IS-95, 2000-1xRTT, Ev-DO), iDEN, GSM, CAS, CCS7, PCM, E1/T1, MFCR2, ISDN, OSI, TCP/IP
Operating Systems Unix (HP-Ux 10/11, Solaris 8,9,10), Linux, MS Win2K/XP/2K/Vista/Win7 and 2K3 Server, Mac OS X

No submited work experiences

Background and Experience

 
Education Level: Bachelor's Degree
School Name: Saint Louis University
Major: Bachelor of Science in Electronics and Communications Engineering
City: Baguio City
Country: Philippines
Graduation Date: 01/10/1988
Description: The Electronics & Communications Engineering (ECE) curriculum aims to fully equip the student with theoretical knowledge and practical experience in the design of electronic and communication circuits, in broadcast and acoustics technology, computer networks and hardware, telecommunication systems, and industrial automation.
 
Education Level: Vendor Technology Trainings
School Name: Nortel Networks In-house Training
Major: Packet-MSC
City: Jakarta
Country: Indonesia
Graduation Date: 01/05/2009
Description: P-MSC Testing and Troubleshooting (Course 1029)
 
Education Level: Vendor Technology Trainings
School Name: Nortel Networks In-house Training
Major: Packet-MSC
City: Jakarta
Country: Indonesia
Graduation Date: 01/05/2009
Description: P-MSC Basic Operations (Course 1028)
 
Education Level: Vendor Technology Trainings
School Name: Nortel Networks In-house Training
Major: Packet-MSC
City: Jakarta
Country: Indonesia
Graduation Date: 01/05/2009
Description: P-MSC Solutions Overview (Course 1021)
 
Education Level: Vendor Technology Trainings
School Name: Nortel Networks Training Center
Major: DMS-100
City: Sydney
Country: Australia
Graduation Date: 01/05/2007
Description: DMS Supernode System Basic Maintenance Hands-On
 
Education Level: Vendor Technology Trainings
School Name: Nortel Networks Training Center
Major: DMS-100
City: Sydney
Country: Australia
Graduation Date: 01/05/2007
Description: DMS-100 Family Systems Operations
 
Education Level: Vendor Technology Trainings
School Name: Nortel Networks Training Center
Major: DMS-100
City: Sydney
Country: Australia
Graduation Date: 01/05/2007
Description: DMS-100 Family System Installation Documentation
 
Education Level: Vendor Technology Trainings
School Name: HP Training Center Philippines
Major: HP Unix
City: Makati City
Country: Philippines
Graduation Date: 01/05/2006
Description: Hp-Unix Fundamentals of the Unix OS
 
Education Level: Vendor Technology Trainings
School Name: HP Philippines
Major: HP Unix OS
City: Makati City
Country: Philippines
Graduation Date: 01/05/2006
Description: Hp-Unix 10.0 System Administration for the HP9000 series 700/800

Languages

No submited languages

Job Preferences

Job Category: 3g RF Design WCDMA UMTS Job
Job Type: Any Job Type
Job Status: Flexible
Desired Salary: $0 Unspecified
Desired Location: Not Specified
Willing to Relocate: No


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