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Efrain Contreras Marambio Email & Phone Number
Electrical Engineer
at
Olympus Precast
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✓ Verified Jun 2026
3 data sources
Profile completeness 86%
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Efrain Contreras Marambio is listed as Electrical Engineer at Olympus Precast, based in Provo, Utah, United States. AeroLeads shows a matched LinkedIn profile for Efrain Contreras Marambio.
Efrain Contreras Marambio previously worked as Network Administrator at Shiopica Holdings Llc and Network Administrator at Shipica Llc. Efrain Contreras Marambio holds Electrical Engineer, Electrical Civil Engineering, Specializing In Electrical Engineering And Mathematical Sciences, Bachelor from Universidad De Tarapaca.
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Olympus Precast
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Profile bio
About Efrain Contreras Marambio
I am a dedicated learner who values family and thrives on challenges that require innovative solutions and the application of new knowledge. My career choices have aligned with my goal to balance family time with my passion for technology and problem-solving.
Current workplace
Efrain Contreras Marambio's current company
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24 roles
Efrain Contreras Marambio work experience
A career timeline built from the work history available for this profile.
Network Administrator
Current
Shiopica Holdings Llc
Managed installation, configuration, and maintenance of the company's computer network, troubleshooting technical issues to ensure optimal performance.Use Cisco routers and framework to set up and maintain virtual private networks to meet the business’s needs.Develop and maintain network security and firewall protocols and maintain active directory.
Jan 2023 - Present
Network Administrator
Shipica Llc
Responsible for installing, configuring and maintaining the company’s computer network, including analyzing and solving any technical issues that may occur.Configured and maintained Cisco router-based virtual private networks to support business operations and data security.Develop and maintain network security and firewall protocols and maintain active.
Feb 2021 - Jan 2023
Project Manager
Steel Ferrovial Ltda
Led the 'Maintenance of Mining Elevators' project for CODELCO-Chile's Andina Division, overseeing maintenance of Asea, OTIS, and Viola elevators to ensure optimal performance and regulatory compliance, enhancing team performance and compliance by 10%.Obtained documents, clearances, certificates and approvals from client for finished work in maintenance of.
Feb 2019 - Aug 2019
Engineering Manager
Ingenieria Electrica Contreras Ltda.
Increased company revenue by 70% during peak summer season of 2018 through strategic project acquisition and enhanced operational efficiencies.Obtained documents, clearances, certificates and approvals from local, state and federal electrical agencies, resulting in reduction of 50% of time in overall electrical project approval.Supervised creative design.
Jul 2013 - Aug 2019
Electrical Project Engineer
Grupo Gestiona Spa
Normalization and government approval of electrical installations located inside a mining site for Teck Carmen de Andacollo in Andacollo, Chile.
Oct 2017 - Nov 2017
Lead Instructor
Instructor of Electrical Regulations course, 6 days, 8Hrs/day.The course was imparted to over 100 people that needed it to be able to work at any job related to electrical equipment or facilities.
Apr 2017 - Jun 2017
Electrical And Instrumentation Supervisor
Supervise removal of obsolete electrical equipment and conduits, and assembly of e.p.c, c.a.g, luminaries, panels in an underground mine facility.Coordinate human resources, equipment and tools for their transportation and correct use and execution throughout the process of removal.
Jan 2017 - Mar 2017
Lead Instructor
Instructor of Electrical Regulations course, 6 days, 8Hrs/day.The course was imparted to over 300 people that needed it to be able to work at any job related to electrical equipment or facilities.
Jan 2016 - Mar 2017
Lockout Supervisor
Responsible for the safety of the lockout of all electrical equipment that was going to go through maintenance. In compliance with National and company electrical regulations.
Jan 2013 - Mar 2017
Electrical Project Engineer
Cable Feeder Calculation report.Lead the team of 4 people to finish the project within 30 days.
Jul 2015 - Aug 2015
Electrical Project Engineer
Electrical Engineering Review for Bocatomas DAND Project.Review of electrical blueprints, datasheets, procurement requirements, etc. to check if the work done by a counterpart engineering consulting firm complied with National and company regulations.
Jan 2015 - Jun 2015
Adjunct Professor
Teaching of Electrotechnia, Electromechanics, Analog and Digital Electronics courses.Teaching of Electric Machines & Control and Automation Laboratory.
Aug 2014 - Dec 2014
Lead Instructor
Instructor of Electrical Regulations Course, 6 days, 8Hrs/day.ECF (Zero Fatality Standard) N°1 Isolation, Lockout and Work Permit Course, 8Hrs.Basic Electricity Course for Colbún Los Quilos.
Nov 2012 - Dec 2014
Chief Technical Officer And Proposal Study
Atasic Ingenieria Ltda
Prepared a proposal for a Waste Water Treatment plant in Santiago, Chile.Meet with team at Los Bronces facility to help in preparing a new proposal for an engineering project.
Feb 2014 - Apr 2014
Electrical Project Engineer
Rayo Ingeniería Ltda.
Electrical Protection Coordination using ETAP 16.Electromagnetic Transients Analysis using ATP.Prepares Calibration and Electrical Protection Coordination reports.Generation of Single-Line Load diagrams for DAND Electrical Rooms and Climatization Engineering.Calculation of electrical feeder cable requirements for Electrical Rooms.
Jan 2013 - Jan 2014
Electrical Project Engineer
Prepares Calibration and Electrical Protection Coordination reports for DAND ODS19 project.Generation of Single-Line Load diagrams for DAND Electrical Rooms and Climatization Engineering for DAND ODS19 project.Calculation of electrical feeder cable requirements for Electrical Rooms for DAND ODS19 project.
Jun 2013 - Dec 2013
Electrical And Instrumentation Supervisor
Supervises field assembly of HVAC equipment for Electrical Room.Ensures compliance with safety and quality standards during assembly.Coordinates human resources, equipment and tools for their transportation and correct use and execution throughout the process.
Apr 2013 - May 2013
Internship
Vibration System implementation and feasibility study at PPC (Planta de Productos Comerciales), Division Andina, Codelco Chile.
Aug 2011 - Mar 2012
Electrical And Instrumentation Technician
Vba Ltda
PLCs Programming of Momentum Schneider, Mitsubishi FX series and Möller at Planta Oeste, underground mine facility.Field Corrections in commissioning or maintenance for automated traffic/ventilation gates.
Dec 2010 - Mar 2011
Electrical Maintenance Specialist
Steel Ingenieria Sa
Montaje y conexionado de PLC's planta primario norte y sur Gerencia Plantas Codelco DAND.
May 2010 - Sep 2010
Jan 2007 - Jan 2009
Ces Tarapaca Region Clerk
May 2005 - Aug 2006
Fulltime Representative
Mar 2001 - Mar 2003
2 education records
Efrain Contreras Marambio education
Electrical Engineer, Electrical Civil Engineering, Specializing In Electrical Engineering And Mathematical Sciences, Bachelor
Licentiate Degree Of Engineering Science, Ingeniería Eléctrica Y Electrónica
FAQ
Frequently asked questions about Efrain Contreras Marambio
Quick answers generated from the profile data available on this page.
What company does Efrain Contreras Marambio work for?
Efrain Contreras Marambio works for Olympus Precast.
What is Efrain Contreras Marambio's role at Olympus Precast?
Efrain Contreras Marambio is listed as Electrical Engineer at Olympus Precast.
Where is Efrain Contreras Marambio based?
Efrain Contreras Marambio is based in Provo, Utah, United States while working with Olympus Precast.
What companies has Efrain Contreras Marambio worked for?
Efrain Contreras Marambio has worked for Olympus Precast, Shiopica Holdings Llc, Shipica Llc, Steel Ferrovial Ltda, and Ingenieria Electrica Contreras Ltda..
How can I contact Efrain Contreras Marambio?
You can use AeroLeads to view verified contact signals for Efrain Contreras Marambio at Olympus Precast, including work email, phone, and LinkedIn data when available.
What schools did Efrain Contreras Marambio attend?
Efrain Contreras Marambio holds Electrical Engineer, Electrical Civil Engineering, Specializing In Electrical Engineering And Mathematical Sciences, Bachelor from Universidad De Tarapaca.
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