Network Engineer with VoIP services support experience. Passionate of continuously sharpening the skill set in both networking concepts and logical configuration. Always determined to learn, take the level of understanding to a higher one and apply the expertise on the production floor. With a huge sense of responsibility and professionalism in all circumstances. Have passed the following licensure examination and certification as part of my career development: Registered Electronics Engineer Cisco Certified Network Associate Routing and Switching

1. ROLAN R. SEVILLA, ECE, CCNA
A. Sevilla Street, Barangay E, Rosario, Batangas, Philippines 4225
Mobile No. : +63 915 450 2508 / +63 998 123 3700
E-mail : rrsevilla@gmail.com
OBJECTIVE
To obtain a position with key responsibilities of a VoIP/Data Network Engineer where my developing
knowledge and skills will be challenged to provide solutions to every task, partaking in the team’s
common vision towards the company’s success
SKILL HIGHLIGHTS
• LAN/WAN Management, Router and Switch Base Configuration (Cisco IAD - 2400/2900), Subnetting
and VLSM, IP Routing (Static, RIP, EIGRP, OSPF, BGP). VLAN, STP/RSTP, Trunk and Port Security
Configuration, HSRP, VRRP and GLBP Configuration, ACLs, NTP and NAT. MPLS and Frame Relay
Connections
• Network Monitoring using WUG & Syslogs, packet capture using Wireshark, Circuit Testing (T1, EFM
loops), network simulation using GNS3
• VoIP Service Management & Troubleshooting, SIP technology, Call Trace Analysis (using IRIS and
Empirix), Porting/Intra-Porting of TNs. PRI and PBX handoff, Analog lines (Fax and POTS), Hosted
Phone System and Softphones.
PROFESSIONAL PROFILE
Achievements & Awards
• Troubleshooting and Maintaining Cisco IP Networks (CCNP Tshoot), September 26, 2017
• Certificate of Recognition (Q1 Top Performer Award), Concentrix – May 7, 2017
• Implementing Cisco IP Switched Networks (CCNP Switch), September 30, 2016
• Certificate of Recognition, Sykes Asia, Inc. – September 7, 2015
• Certified Cisco Network Associate Routing and Switching, November 9, 2014
• “Employee of the Year” Awardee for FY2012, PPRDPH – August 2013
• Delegated to train in Panasonic Japan as R & D Product Evaluation Engineer, PPRD Japan –
October, 2011 – December, 2012
• Board Passer, November 2010 Electronics and Communications Engineering Licensure
Examination, PRC – November, 2010
Work Experience
Concentrix April 2016 – Present
Techno Plaza 2, Orchard Rd, Bagumbayan, Libis, Quezon City, Manila Philippines
VoIP/Data Network Operations Center Engineer II

2. Responsibilities:
• Manages Broadview’s hosted phone system services that include features like Call Forwarding, Call
Routing, Voicemails, Auto Attendant, Extension Call Handling, Call Permissions, Call Groups and ACDs
• Maintains operation and registration of Mitel’s desk and cordless IP phones, Polycom VVX and
conference units, mobile and PC softphones , SIP devices like Grandstream & Linksys ATAs used for
overhead paging, door buzzers, fax and analog phones
• Provides and maintains network connectivity services Onnet, Offnet DIA and MPLS
• Tests T1 circuits and DACS cross-connects, reprovisions and recalibrates EFM loops, performs
cooperative testing with field technicians at the customer premise or at the CO collocations.
• Removes/Adds number translations in Metaswitch, modifies switch configurations for ISDN PRI, SIP
Trunks and Emulated POTS
• Configures Cisco routers – from port opening/forwarding, static IP mapping to access-list changes,
ensures QoS and policy-routing are in place to prioritize voice traffic
• Troubleshoots incident tickets regarding call routing issues, Caller ID issues, no inbound and outbound
calls , calls not completing, whether it is an internal, local/long distance or international
• Performs intra-porting of numbers and analyzes SIP traces to identify causes of call quality issues
• Troubleshoots fax and efax issues
Sykes Asia Inc. January 2015 – March 2016
Aurora Blvd. Cor. Gilmore St. Quezon City, Manila Philippines
Senior Technical Support Professional – AT&T BVOIP IP Flexible Reach Tier 2
Responsibilities:
• Provide assistance on operation and maintenance of AT&T’s managed IP telephony infrastructure
• Interface with customers to gather information about the trouble and analyze variety of factors within
applicable standards and procedures to develop solutions
• Handle escalated issues from Tier 1; Tasks include but not limited to, identification of transport-related
issues, LAN/CPE/PBX issues, network, VPN and MPLS-related issues, router configuration and
replacement, engagement of other AT&T teams to assist in troubleshooting
• Utilize packet capture and SIP tools in analyzing voice call samples to isolate and resolve VoIP troubles
such as one way audio, dropped calls and inability to make outbound calls or receive inbound calls
• Update access control list and block port to prevent fraudulent calls
• Troubleshoot inbound and outbound Caller-ID issues, latencies and packet drops, internet gateways
and client’s usable IP range and DNS resolvers, DHCP and NAT for Cisco routers
• Work in conference with Service Managers and third-party customer’s PBX vendors to identify the
trouble, provide proper workaround and resolution, conduct testing and implement fixes
• Coordinate with US Tier 2 and Tier 3 counterparts in resolving network and VoIP issues
• Document troubleshooting analysis and actions taken to include in Sharepoint database
Panasonic Precision Devices Philippines, Corp. March 2011 – January 2015
Sta. Rosa City, Philippines
Senior Research and Development Engineer – Engineering Department
Responsibilities:
• Lead product performance evaluation test before and after mass production
• Create and update test programs for checking product’s characteristic and trapping of defective units
• Supervise Machine Management Group to maintain machine stability
• Support manufacturing control and product yield improvement activities
• Collaborate with network administrator in LAN layout to be used for production data gathering

3. Philippine Long Distance Company April 20 – May 25, 2009
On-The-Job Trainee – Core Network Division, Makati City, Philippines
Responsibilities:
• Core network management support include Trunk and Switch monitoring
• Equipment resetting after encountering machine downtime
• Per area loop interconnection management through patching cords
• Fiber Optic Splicing and Repairing
• Other tasks include customer assistance, device inventory and battery charging/replacement
EDUCATION
Bachelor of Science in Electronics and Communications Engineering April, 2010
De La Salle Lipa – Mataas na Lupa, Lipa City, Batangas, Philippines
Trainings and Seminars
• SIP : VoIP Protocol, Rivan IT Training Center, 2138 Unit A-1-2 Mendiola Square Bldg. C. M. Recto,
Manila, Philippines – January 11, 2015
• Storage Area Network - Connecting Data over Network, Rivan IT Training Center, 2138 Unit A-1-2
Mendiola Square Bldg. C. M. Recto, Manila, Philippines – January 11, 2015
• IT Service Management, Rivan IT Training Center, 2138 Unit A-1-2 Mendiola Square Bldg. C. M. Recto,
Manila, Philippines – January 10, 2015
• Cisco Certified Network Associate Training, Rivan IT Training Center, 2138 Unit A-1-2 Mendiola
Square Bldg. C. M. Recto, Manila, Philippines - September 14 – October 12, 2014
• Free Space Optics, De La Salle University Dasmariñas, Cavite - November 22, 2009
• Process Control Automation Fundamentals , I&E Industrial Systems Services, Inc. Instrumentation
Training Center, Libjo, Batangas City October 5 & 9, 2009
• Programmable Logic Controller, CALBRIDGE Technical Training Center, Lamao Libjo, Batangas City -
August 21, 2009
• Emerging Technologies, Cavite State University, Indang, Cavite - September 21, 2008
• Mechatronics, Cavite State University, Indang, Cavite - September 21, 2008
• PC Networking and Troubleshooting, De La Salle Lipa Mini-Auditorium, Lipa City, Batangas - January
9, 2008
• RF ID and WIMAX TECHNOLOGY, De La Salle Lipa, Lipa City, Batangas - August 20, 2007
AFFILIATION
• Institute of Electronics Engineers of the Philippines, Inc. - Member, 2010-present
• Institute of Electronics and Communication Engineering Students of the Philippines
CALABARZON Chapter (IECEP-CALABARZON) - Member, 2005-2010
• Institute of Electronics and Communication Engineering Students of the Philippines – De La
Salle Lipa Chapter (IECEP-DLSL) - Member, 2005-2010
I hereby certify that all information stated above is true to the best of my knowledge and belief.
_________________________________

4. ENGR. ROLAN R. SEVILLA