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Manufacturing Plant Engineer

Malarkey Roofing Products
South Gate, CA Full Time
POSTED ON 5/29/2026
AVAILABLE BEFORE 7/23/2026
Join the Malarkey team, innovators in roofing technology with pioneering rubberized asphalt shingles designed for superior durability and sustainability. At Malarkey, we take pride in our most important asset - our employees.

We’re seeking a Manufacturing Plant Engineer who's ready to be part of our mission to manufacture and deliver innovative, performance-driven building products with unmatched service and integrity. Our focus is creating longer-lasting, environmentally responsible roofing solutions that can withstand all weather conditions.

Job Title: Manufacturing Plant Engineer | Req ID: 16236 | HR Contact: Elizabeth Bertapelle | Location: Building Envelope - South Gate, CA

About The Role

The Plant Engineer works closely with the VP of Engineering and the Plant Manager to provide technical expertise for the development, design, and execution of capital, expenses, and maintenance projects in a safe, profitable, timely, and efficient manner.

What You’ll Be Doing

  • Develops, designs, performs cost estimation and justification, and prepares the business case for capital and expense projects per process design.
  • Schedules and executes equipment and machinery inspections.
  • Works closely with plant production management staff on continuous improvement initiatives.
  • Maintains work procedures and processes supporting company and departmental standards, procedures, and strategic directives.

What We Are Looking For

  • A bachelor's degree in mechanical, electrical, or chemical engineering.
  • Three or more years of experience in a manufacturing plant is preferred.
  • Solid project management skills, with the ability to manage many projects concurrently.
  • Ability to analyze and resolve problems.
  • Ability to work with vendors, contractors, plant staff, corporate engineering, and others to complete projects on time and within budget.

What We Offer

  • Competitive salary: $125,000-160,000
  • Retirement Savings: Choose from 401(k) pre-tax and/or Roth after-tax savings
  • Employee Stock Purchase Plan
  • Medical, Dental, Disability, and Life Insurance
  • Holistic Health & Well-being programs
  • Flexible Spending Accounts (FSAs) for health and dependent care
  • Vision and other Voluntary benefits and discounts
  • Paid time off & paid holidays
  • Paid Parental Leave (maternity & paternity)

#MALARKEY

Amrize is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

We thank all applicants for their interest; however, only those selected for an interview will be contacted.

Salary : $125,000 - $160,000

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