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Manufacturing Engineer I

ESL Power Systems, Inc.
Corona, CA Full Time
POSTED ON 11/27/2025 CLOSED ON 12/26/2025

What are the responsibilities and job description for the Manufacturing Engineer I position at ESL Power Systems, Inc.?

Embark on a fulfilling career journey by applying to join ESL Power Systems today. As an employee-owned company, we don't just offer jobs; we invite you to become a stakeholder in our shared success. Your expertise, passion, and dedication will not only power progress in the electrical solutions industry but will shape the trajectory of your own career. Our values are the cornerstone of our success: Ownership, Teamwork, Accountability, Continuous Improvement, Excellence in Customer Service.

Join an exceptional team at ESL, an employee-owned company where happiness is not just a goal; it's our culture. We celebrate success, foster camaraderie, and engage in activities that make work more than just a place to earn a living – it's a community that thrives on shared achievements. We believe in investing in our greatest asset – our people. As part of our commitment to professional growth, we provide unparalleled development opportunities. Join a company that is in a dynamic growth mode, where your career can thrive alongside our expanding footprint in the industry. Be a part of something meaningful at ESL Power Systems. Here, your contributions are integral to our success. Every day, we tackle challenges and create solutions that power the world around us.

As a valued member of the ESL family, you'll enjoy a comprehensive benefits package, including health, dental, and vision coverage. Our commitment to your well-being extends to long-term disability (LTD) coverage and voluntary life insurance options. Plan for your future with confidence, knowing that ESL offers a robust 401(k) plan and company shares, making you a stakeholder in our success.

Additionally, you have the opportunity of a bonus potential of 6.5%, rewarding you for contributing to meeting company profitability levels. Apply now and take the next step towards being part of a dynamic team that lives by these values. At ESL Power Systems, you're not just an employee; you're an essential part of a culture that thrives on collaboration, achievement, and shared ownership.

Join ESL Power Systems – where your career is not just a job; it's a journey of growth, opportunity, and ownership.

Job Description

Job Title: Sustaining Engineer I

Department: Manufacturing Engineering

Reports To: Manufacturing Engineering Manager

Summary

The Sustaining Engineer I serves as a key technical conduit between Design Engineering and Operations, collaborating closely with design & application engineering, manufacturing engineering, fabrication, assembly, planning, and purchasing. This role requires strong urgency, accountability, and follow-through to drive issues to resolution.

Working directly on the production floor in both the fabrication and assembly buildings, the Sustaining Engineer I ensures smooth product flow, supports troubleshooting, and provides high-quality customer service to Operations. This position plays a vital role in maintaining product quality, supporting continuous improvement, and ensuring operational efficiency across product lines.

Essential Job Duties And Responsibilities

  • Serve as the technical liaison between Design & Application Engineering, Manufacturing Engineering, and Operations, ensuring effective communication and rapid problem resolution.
  • Provide on-floor support in fabrication and assembly areas, delivering immediate technical assistance and troubleshooting.
  • Collaborate with operations supervisors, leads, managers, and the master scheduler to resolve issues related to Bill of Materials (BOM), Methods of Manufacturing (MOM), Bill of Operations (BOO), drawings (DWG), schematics, and labeling.
  • Address production challenges such as setbacks, bend deductions, K-factors, callouts, missing/incorrect parts, part substitutions, design discrepancies, and alignment or wiring issues.
  • Recommend and support the implementation of improvements in manufacturing processes and design practices based on production feedback and analysis.
  • Document and log production data, providing actionable insights to the design team for product and process enhancements.
  • Ensure accurate completion of redlines and bluelines on job travelers, drawings, and schematics; follow up with planners and fabrication supervisors to confirm updates.
  • Coordinate with sourcing and purchasing teams to manage changes to purchased parts and ensure proper communication of modifications.
  • Perform design tasks—including 3D modeling, schematic creation, labeling, and drawing production—during periods without direct sustaining duties.
  • Communicate project status and information needs clearly to project teams, executives, engineering, and other departments as required.
  • Coordinate effectively with team members when project activities overlap.
  • Follow all defined processes within Epicor and adhere to operations procedures to ensure compliance with company standards and best practices.
  • Perform additional tasks as assigned, demonstrating flexibility to meet evolving manufacturing needs.

Qualifications

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.

  • Proven work experience as an Engineer in a manufacturing environment.
  • Strong desire to be hands-on and actively engaged in production floor problem-solving.
  • Detail-oriented and deadline-driven.
  • 1 years of technical experience working with electrical and power equipment.
  • Excellent written and verbal communication skills.
  • Strong interpersonal skills.
  • Strong mathematical skills.
  • Proficiency in MS Office 365, SolidWorks, SigmaNest, and AutoCAD.
  • Ability to quickly understand and apply manufacturing methods.
  • Familiarity with Epicor MRP/ERP systems (BOMs, travelers, inventory, etc.).
  • Strong sense of responsibility and accountability.
  • Ability to work independently and collaboratively within a team.
  • Ability to work in a fast-paced environment with limited supervision while meeting deadlines.
  • Full fluency in technical English (reading, writing, speaking).

Education And Experience

  • Bachelor’s degree in engineering or equivalent required.
  • Green Belt certification preferred.
  • Design experience and proficiency in SolidWorks and AutoCAD preferred.
  • Working knowledge of designing and testing electro-mechanical power systems preferred.
  • Experience with electronics and control systems preferred.
  • Bilingual in Spanish preferred.
  • Data analysis experience preferred.
  • Sheet metal experience preferred.

PI280168982

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