Frederick Guarin, Telecommunications Engineer

Frederick Guarin

Telecommunications Engineer

Nour Communications Co. Ltd.

Location
Philippines - Imus
Education
Bachelor's degree, Electronics andCommunications Engineering
Experience
29 years, 10 Months

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Work Experience

Total years of experience :29 years, 10 Months

Telecommunications Engineer at Nour Communications Co. Ltd.
  • Saudi Arabia - Riyadh
  • My current job since December 2018

• Design and implementation of data center, such as data cabinets, Fiber optics and CAT6, RG45 & F.O. panels, LAN cablings, cable testing and installations of CISCO, HP & UPS equipments, etc.
• Decommissioning and re-installation of complete Datacenter equipments and UPS equipments.
• Preparation of design drawings and material for approval of the client as per scope of works.
• Materials submittals, preparation and estimation of materials BOQ for the project.
• Preparation and requisition of approved materials as per approved drawings and diagrams.
• Implementation of Radio communication building facilities such as electricals and panels, communications cabinets, fiber optics and copper laying, Fire alarm system, UPS and Inverters, cable trunking systems, IP telephone, and intallations of Cisco equipments.
• Supervision of the projects during implementation phase.
• Supervised the technicians during implementation and commissioning of electrical and communication equipments.
• Complete installations of building communication facilities and air conditioning system.

Maintenance Engineer at Saudi Aramco Shell Refining - Sasref
  • Saudi Arabia - Jubail
  • July 2014 to December 2018

Leads all Radio and telecom related jobs to ensure uninterrupted telecommunication services throughout the Refinery
including portable radio communications, structured and backbone cables (copper and fibre optic), coaxial and antenna
systems, related hardware and software, and new telecom equipments.
* Provides technical advice and guidance on all Radio communications related maintenance and installation works.
* Rohill Tetra Node- MPT Trunking Radio Base Station System Operations & Maintenance.
* Responsible for the operation and maintenance of the Radio system using Network Management System software, Trap
Logs & Alarm monitoring, VLC Client System, and Radio configuration software.
* Set-up, back-up & monitoring of Voive/Data Logging Server using Voice and Data Client Sytem software.
* Base station-Tetranode exchange server back-up & restoration during maintenance and shutdown.
* Routine preventive maintenance of base station system, fixed radio station Handheld and mobile radio transceivers.
* Installations of new mobile and fixed radio terminals.
* Programming of Radio base station system RF module units.
* Maintenance of OMNI-OPTIX Multiplexer-Transmission equipment use for the Remote Base Station.
* Repair and Preventive maintenance of Fixed/Panel radios and Mobile Hnadheld Radios used for Central Control Room,
Security, Fire and for the process/operation personnel and within the refinery.
* Monitoring & Preventive maintenance of UPS Power system and batteries.
* Troubleshooting, programming and maintenance of Motorola Fixed(Base) & Mobile radios.

TELECOM ENGINEER at NOUR COMMUNICATION CO LTD
  • Saudi Arabia - Riyadh
  • September 2001 to June 2014

NOUR Communication Projects Involved: (13 yrs. Straight in the GSM /MW Telecom Implementation Project )
STC- Saudi Telecom Co., Mobily Saudi Arabia, ZAIN Saudi Arabia -Central & Western Region KSA .
See attached CV.

TRANSMISSION Engineer at LUCENT TECHNOLOGIES AUSTRALIA PTY. LTD
  • Australia
  • April 2000 to October 2000

GSM Operation and Maintenance
GSM One-Tel Project, AUSTRALIA
Job Description:
* Provide technical support to the O&M Engineers for Lucent Australia GSM
(One-Tel Project) especially the BTS/BCF/STF-2000 equipments.
* Site inspection of newly installed and integrated cellsites to ensure the quality of installations of contractors for the indoor
and outdoor BTS (Base Tranceiver Station) equipments, grounding system, rectifiers, Building- alarm system,
waterproofing, etc.
* Site acceptance(PAT-Preliminary Acceptance Test) and Final acceptance test of a newly integrated BTS
cellsites, including microwave links.
* Routine preventive and corrective maintenance of BSS equipment, monitoring of
recent and pending alarms on every Base stations and clearing of current alarms.
* Operation and maintenance of Microwave links (Lucent MDL200, IOLINK, Breezelink) which is used in the GSM network
including the panning of microwave antennas.
* Also responsible in all external alarm problems, which are integrated to the BTS/sites.
* Troubleshooting of main power supply unit, including the electrical, main breaker, DC Rectifiers,
Lighting system, Tower lights, Fire alarm system, A/C control panel, etc.
* Drivetesting of a newly integrated cellsite to ensure the performance of the BTS- Base Transceiver Stations, using Mobile
Test unit.

ENGINEER at WESTERN ELECTRIC SAUDI ARABIA CO. Ltd
  • May 1998 to April 2000

GSM Operation & Maintenance
Job Description: (BSS/MW/POWER)
* Responsible for the operation & maintenance of LUCENT GSM900/1800 BTS-2000; BCE & BCF-2000, STF200.
* Perform routine preventive maintenance, corrective action, drive testing and handover testing, to ensure the excellent
performance of the Base Station System.
* Conduct routine testing of RF Power, Receive Signal Level, Downlink of every RF units, using Spectrum Analyzer, timeslot
testing using Field Test Phone and MA-10 Radio Analyzer.
* Perform routine check-up and data base back-up on the BCE unit using the MMI software; routine testing of Abis link (2
Mbps); M-link and CCS7 signaling using the MA-10 Radio Analyzer.
* Performed additional hardware components on the BTS and BCE equipment as per Traffic requirements in the network.
* 24-Hour call out to respond OMC/NNCCs call in case of site trouble (alarms).
* Routine Preventive & corrective maintenance of the Microwave Links, such as (4E1s & 16E1s)P-Com, Harris & NERA
(NL185, 187, 248) PDH Microwave Radio Equipment, including waveguide faults, connectors, dehydrators and feedhorn
(ANDREWS).
* Replacement of microwave outdoor unit (ODU), alignment of microwave and BTS antenna.
* Perform preventive maintenance of single and dual Generator set (48KVA) KOOLER (John Deere) and DEUTZ Air cooled
generator set (FL-912), including repair & maintenance of ATS (Automatic Transfer Switch), generator dummy load,
battery & battery charger, fuel pump and engine control panel.
C. V. of F. G. GUARIN Page 4 of 4
* Repair and maintenance of Main Power distribution panel board such as relays, Magnetic contactor; internal &
external lighting and its automatic controls, tower lights controller and fire alarm, and door alarm.
* Repair & maintenance of HVAC control panel for the Air Conditioning Unit (Liebert & Zamil).
* Repair & preventive maintenance of UPS (Lineage 2000) and 630 Amp. UNIGY back-up batteries for DC power supply of
BTS & Microwave Radio equipment

Communication Engineer at LIBERTY TELECOMS
  • Philippines
  • September 1996 to March 1998

Responsible for the Technical evaluation, new products evaluation of Radio communication equipments and RF units, that will
be used in the RBS (Radio Base Stations), Reapeater sites and for the end user (subscribers) such as repeaters, controllers,
fixed and mobile radio units, transceivers, antennas, duplexers, combiners, multicouplers, and other communication
equipments in accordance with EIA / TIA standards & MPT-1327 Protocol.
* Responsible for the repair, maintenance and calibration of defective units from the Repeater sites / RBS (Radio Base Station
units), BSC (Base Station Controllers), from QA / QC section and from the subscriber’s equipments such as radio base
equipments, Radio controllers, versaphone, fixed wireless telephone, trunking radios, two way radio transceivers
(SELECTONE Controller, KYODO, ALINCO, SIEKI, GE, etc.), Power supplies and other subscriber’s equipment.
* Responds to any trouble in the Radio Base Station System.
* Supervising the communication radio technicians in component level trouble shooting, repair and calibration of radio equipment
units, using new and state of the art calibration and measuring instruments, and proper use of tools & equipments to ensure
the safety of the instruments.

Electronics Technician at AVESCO CORPORATION
  • Philippines
  • April 1993 to December 1995

Responsible for the installation, repair, calibration and maintenance of Radio Base Station such as HF (SSB), VHF, UHF
and Trunking radio system, such as Motorola, ICOM, KEENWOOD, YAESU, ALINCO & other conventional two way radio
system, Repeaters and Linear RF amplifiers such as Mirage, Daiwa, Icom, etc.
* Repair/Installations of other electronic devices such as Intercom, Telephone, UPS / Power Supplies, etc.
* Experienced in the Instrumentation & Calibration measuring instruments.
* Supervised the erection of poles / guyed poles, that will be use for point to point communications, including antenna
tuning, propagation testing and commissioning of the system.

Cadet Engineer at PHILIPPINE LONG DISTANCE TEL. Co
  • Philippines
  • July 1991 to September 1991

Calculation and summarizing of data gathered from actual traffic engineering study in different Exchanges/Switching
office.
* Prepares engineering drawings for the new and existing trunklines.
* Assist on all works within the Traffic Engineering department.

Education

Bachelor's degree, Electronics andCommunications Engineering
  • at BSECE
  • October 1992

Diploma, Electronics Technology
  • at Polytechnic University of the Philippines
  • January 1989

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Specialties & Skills

COMPUTER HARDWARE
MICROSOFT WORKS
MOTOROLA HARDWARE
OPTIMIZATION
SUPERVISORY SKILLS
TELECOMMUNICATIONS

Hobbies

  • Electronics