Arnold Sierra

President at Community Wireless and Power
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Contact Information
us****@****om
(386) 825-5501
Location
PH
Languages
  • English Full professional proficiency
  • Tagalog Native or bilingual proficiency
  • Mandarin Elementary proficiency
  • Malay Limited working proficiency

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Bio

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Credentials

  • Machine Learning
    Coursera
    Jan, 2022
    - Nov, 2024
  • AWS Cloud Technical Essentials
    Coursera
    Nov, 2021
    - Nov, 2024
  • Introduction to Digital Transformation with Google Cloud
    Coursera | Google
    Jan, 2021
    - Nov, 2024

Experience

    • Philippines
    • Information Technology & Services
    • 1 - 100 Employee
    • President
      • Aug 2022 - Present

  • e-Thor ICT
    • Baguio City, Cordillera Admin Region, Philippines
    • Chief Technology Officer
      • Feb 2021 - Present

  • ABSIERRA ENTERPRISE COMPANY
    • Bataan, Central Luzon, Philippines
    • President and CEO
      • Mar 2015 - Present

  • OPALS Group of Companies
    • Shah Alam , Malaysia
    • Technical Manager
      • May 2007 - Mar 2015

      * Take the lead role in sourcing out and proposing technical specification of machines and equipment to different institutions and organizations under Ministry of Education along with managing implementation activity within an assigned geographical region and project. * Responsibility for the tender process from initial point of contact (lead generation), presentations, proposals, through contract negotiations and execution. * In charge of managing the installation and commissioning of electrical and mechanical equipment as well as equipment trainers for educational purposes in different educational institutions in Malaysia. * Handle technical team of different discipline and expertise from Mechanical, Electrical, IT and Biomedical Experts. * Experience in presenting technical details and drawings to the clients regarding M & E and equipment specifications. * Meeting with various clients and discipline in education and industrial fields. * Meeting and discussion with top management of the Ministry of Higher Education regarding projects and tenders and work progress. * Meeting with Directors and department heads as well as lecturers in different medical and engineering institutions. * Meeting up supplier and principals from local and overseas for possible business engagement. * Attending oversea exhibition and forum regarding the product related to projects and its implementation. * Presentation of proposals, project planning to the clients as well as direct discussion about their requirements. * Work closely with Project Manager and Directors, reporting about the progress and issues. Project implementation, from the procurement, delivery, installation, testing , commissioning, training and after sales service. Biomedical and Laboratory Equipment in Faculty of Health Science and Faculty of Pharmacy in a new UiTM Puncak Alam. Project cost: RM 134 million UiTM Kuala Pilah. Project cost: RM 39 million. Polytechnic Seberang Prai Penang. Project cost: RM 11 million.

    • Electrical & Instrumentation Engineer
      • Apr 2001 - Mar 2007

      Programming, configuring and interfacing Programmable Logic Control (PLC) such as Omron Sysmac CQM1H, Allen Bradley and Siemens Simatic S5/S7. Troubleshooting of CNC machines such as Shibaura and other industrial machine with Fanuc control system and hardware platform. Maintenance, troubleshooting 4 units of V47 660kilowatt Vestas Wind Power Generation System. Configuration of high voltage switchgear control system and monitoring such as 3710 ACM by Power Measurement and ABB SPACOM. Carry out maintenance, repair, inspection and troubleshooting Kone and Demag overhead cranes, and turning rollers. Excellent understanding of breaker distribution bays, contactors, thermal overload relays, switches, proximity sensors and photo sensors. Hands-on experience with communicator and other calibration devices for petrochemical process instruments and sensors. Efficient in making weekly progress report regarding electrical and instrument scope in the construction of 150 Mega Watt Circulating Fluidized Bed Boiler, Steam Driven Turbine Power Plant in Mai-Liao, Province of Taiwan. Provides help and support regarding maintenance of different tools and equipment such as 3 phase motors, switchgears, power panel, control panel, etc. Assists and support the commissioning, calibration and installation of different instruments such as level transmitter, differential pressure transmitter, thermal element, different gauges, proximity sensor, flow transmitter etc. Inspection of the installation of motorized valve and its control circuit if conforms to its drawing location and proper operation. Supervised wiring termination of power and controls of instrument from field to DCS marshalling panel and high voltage termination from field motors to switchgear. Wiring check/ Loop check of instruments and motors from field to DCS and motor control center (MCC).

    • Process Engineer
      • Sep 2000 - Mar 2001

      •Troubleshooting and maintenance of SMT surface mounting machines such as Juki pick and place, Universal GSM2 Flexible, and Panasonic. •Handle different product models of notebook/laptop computers such as IBM and Acer models. •Meeting with the supervisor and manager regarding the quality and productivity of the production line. •Troubleshoot, improve and optimize the machine to maximize its throughput and increasing its yield rate. •Analyze defects and feedbacks regarding the process flow and its output. •Proficient in making documents about the ISO standards and specification. •Supervised the online Technicians and Maintenance Team. •Assisted the QA and Product Engineering Team regarding the specific issues about the product model. •Coordinated with different department engineers (Product Engineers, Component Engineers, Mechanical Engineers) regarding top issues about the product. •Conducted trainings and seminar to a newly hired technicians and operators. •Maintenance, operation and troubleshooting of Universal GSM2 Flexible mounting machine.

Education

  • Mapua Institute of Technology
    Bachelor of Science (BS), Electronics and Communications Engineering
    1993 - 1998
  • Samal High School
    1989 - 1993

Community

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