Senior Manufacturing Engineer

Reyes Automotive Group LLC•San Antonio, TX
•Onsite

About The Position

The Senior Manufacturing Engineer supports the Continuous Improvement/Manufacturing Engineering department by creating and maintaining engineering systems. The role applies Lean and Six Sigma concepts and practices to improve the efficiency and effectiveness of Reyes Automotive Group’s manufacturing operations. It is an onsite, full-time, exempt position that reports to the Plant Manager, with dotted-line functional direction from the Manufacturing Engineering Manager. Direct reports include a Staff Manufacturing Engineer and interns. The position supports plant operations and continuous improvement, develops manufacturing and production processes, leads cross-functional Kaizen projects, and oversees launch-related activities and documentation. It also tracks projects, analyzes manufacturing data, maintains pre-launch inventory and orders, and updates the master schedule in line with Toyota milestones and plant projects. The role requires a bachelor’s degree in Industrial Manufacturing or Mechanical Engineering and 5 to 8 years of related experience. Lean Manufacturing training is required; Six Sigma Black Belt certification is preferred. The position involves computer and production-floor work, occasional extended hours across multiple shifts, and some weekend and holiday work when necessary. Physical requirements include lifting up to 25 pounds individually and team lifting 50 pounds, wearing required personal protective equipment, and working in a climate-controlled environment that may expose the employee to heat, rain, and cold.

Requirements

  • Bachelor’s degree in Industrial Manufacturing or Mechanical Engineering from an accredited university.
  • Five to eight years of related experience, including experience gained through employment, class projects, and internships.
  • Lean Manufacturing training is required.
  • Intermediate-to-advanced proficiency in Microsoft Office, including Word, Excel (including macros), and PowerPoint, and in email and web browser applications.
  • Intermediate-to-advanced mathematics skills, including the ability to calculate figures and amounts such as discounts, interest, commissions, and percentages.
  • Strong analytical, planning, and critical-thinking skills, with an orientation toward continuous improvement.
  • Ability to understand and follow written and verbal instructions and prepare reports and business correspondence.
  • Ability to read, write, and speak English.
  • Effective verbal and written communication skills, strong interpersonal effectiveness, and ability to work with people at all organizational levels and across cultures.
  • Problem-solving ability, a positive attitude, and sound decision-making.
  • Flexibility in managing multiple projects, demands, business partners, and situations while remaining calm under pressure.
  • Ability to work extended hours across multiple shifts, including some weekends and holidays when necessary.
  • Strong professional presence and high ethical standards, including the ability to handle confidential information sensitively.
  • Ability to lift 25 pounds individually and team lift 50 pounds.
  • Ability to perform the job safely, follow standard operating procedures, and wear required personal protective equipment.

Nice To Haves

  • Six Sigma Black Belt certification.
  • Fusion 360 and CAD skills.
  • 3D printing knowledge.
  • Knowledge of facility and layout design.
  • Knowledge of the Toyota Production System.
  • Basic understanding of injection molding and auxiliary equipment.

Responsibilities

  • Support the Plant Manager and Continuous Improvement team with daily tasks.
  • Implement Lean Manufacturing principles on production floors and in inventory areas to reduce waste.
  • Lead, train, and develop Manufacturing Engineering interns, directing their talent toward specific areas through Kaizen activities.
  • Track continuous improvement projects daily and weekly.
  • Perform statistical analysis to understand machine capabilities and production trends and predict production outcomes.
  • Develop manufacturing and production processes to reduce production costs and improve overall equipment efficiency.
  • Lead Kaizen projects with cross-functional teams on high-impact business projects.
  • Manage launch activities, including pre-launch documentation, trial preparation and execution, and post-trial activities such as PFS updates and follow-up.
  • Maintain pre-launch component, resin, and finished-good inventory.
  • Prepare and track pre-launch orders (EPNS/TPROMS).
  • Create and update the master schedule based on Toyota milestones and plant projects.
  • Conduct project-status review meetings with management.
  • Train Manufacturing Engineering and intern staff on Lean Manufacturing.
  • Perform other duties as assigned.
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