Erick Mardueno
San Jose
Summary
Manufacturing Operations, Estimating, and Engineering Support professional with experience in ERP systems, BOM creation, supplier coordination, and technical drawing review. Proven ability to manage high-value projects, process revenue-impacting purchase orders, and collaborate cross-functionally with Engineering, Production, Purchasing, and Customers. Strong Excel skills with ongoing undergraduate business studies.
Overview
4
4
years of professional experience
Work History
Junior Engineer
Golden State Assembly
Morgan Hill, CA
07.2025 - 11.2025
- Reviewed customer drawings and technical documentation to ensure manufacturability and material compliance
- Identified BOM conflicts and worked directly with customers to recommend compliant material alternatives
- Supported design-for-manufacturing (DFM) efforts by resolving specification and component issues
- Created to-scale wire harness layouts for production use
- Collaborated cross-functionally with Engineering, Production, and Customers to align designs with manufacturing requirements
Operations Coordinator
Golden State Assembly
Morgan Hill, CA
02.2023 - 06.2025
- Executed processing of over 30 purchase orders weekly, including high-value blanket purchase orders.
- Managed ERP records to uphold financial integrity and support operational efficiency.
- Employed Excel formulas to enhance accuracy and efficiency in data organization and validation.
- Managed supplier lead times and material estimated times of arrival (ETAs) to optimize inventory flow.
- Provided timely delivery updates to production and engineering to ensure alignment on project timelines.
- Facilitated manufacturing projects by overseeing material tracking processes.
Estimator
Golden State Assembly
Morgan Hill, CA
11.2021 - 02.2023
- Curated 15–20 quotes weekly derived from customer drawings.
- Created comprehensive BOMs and conducted detailed material takeoffs to support procurement processes.
- Oversaw project management for initiatives valued in the high hundreds of thousands.
- Analyzed raw material pricing utilizing Excel and ERP systems.
- Generated and submitted formal customer quotations to facilitate sales processes.
- Facilitated pricing negotiations with suppliers and customers to optimize cost efficiency.
Education
BUSINESS ADMINISTRATION 2.0- ASSOCIATE IN SCIENCE - Business Administration
Evergreen Valley College
San Jose, California, CASkills
- Microsoft Excel (Formulas, Data Organization)
- ERP software proficiency
- Bill of materials creation
- Quotation analysis
- Efficient purchase order handling
- Supplier Coordination
- Engineering Drawing Review
- Wire Harness Layout (To Scale)
- Manufacturing Operations
- Bilingual communication: English and Spani
Timeline
Junior Engineer
Golden State Assembly
07.2025 - 11.2025
Operations Coordinator
Golden State Assembly
02.2023 - 06.2025
Estimator
Golden State Assembly
11.2021 - 02.2023
BUSINESS ADMINISTRATION 2.0- ASSOCIATE IN SCIENCE - Business Administration
Evergreen Valley College