Plant Manager - Manufacturing

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.

Job Title: Plant Manager - Manufacturing

Req : 15334

HR Contact: Elizabeth Bertapelle

Location: Building Envelope - Williamsport, MD

The Plant Manager leads all aspects of plant operations to achieve year-over-year improvements in safety, quality, service, employee satisfaction, and cost performance. This role is accountable for driving a culture of operational excellence and sustainability by ensuring strict compliance with safety, environmental, and quality standards while optimizing production efficiency and resource utilization. The Plant Manager fosters a high-performing team through strong leadership, communication, and employee development, delivering measurable results in productivity, cost reduction, and community engagement.

• Responsible for year-over-year improvement on safety incident and severity rates – “The Road to Zero.”
• Strict adherence to environmental regulations and operating permit parameters – “No NOVs.”
• Fostering a culture of sustainability at all levels of plant operations.
• Ensure that all industrial hygiene requirements are being followed.

• Responsible for year-over-year improvement on the Internal Quality Audit scorecard.
• Strict adherence to manufacturing and finished product specifications.

• 100% achievement of target service rates on all production and product lines.
• 10% reduction in year-over-year downtime and slow time.
• Provide direction and leadership in Root Cause and Corrective Action for any target that is not achieved.

• Effective management and leadership for the facility through performance management and performance appraisals.
• Provides leadership through effective communication channels.
• Creates a culture of employee growth through mentoring, training, and development.
• Fosters a culture that engages the plant personnel to give back to the community through the “Malarkey Cares” initiative.

• Effectively communicates the financial targets for the facility and takes appropriate action to reduce any gaps in actual performance versus the target performance.
• 10% reduction in year-over-year process waste and seconds.
• Raw material efficiency improvements of 0.2% year-over-year.

• A high school diploma or GED is required; a bachelor’s degree in engineering is preferred.
• 15 years of progressive experience in a manufacturing environment is preferred.
• Five years of successful and current experience as a production supervisor in a continuous, high-speed manufacturing operation.
• Prior experience in pulp and paper, including woven and nonwoven fiber processing, is preferred.
• Must have proficient knowledge and experience with Microsoft Office and G‑Suite.
• Must have experience leading Root Cause Analysis.
• Experience handling large volumes of raw materials daily, such as asphalt and aggregate materials.
• Strong supervision, leadership, and interpersonal, verbal, and written communication skills.
• Ability to deal effectively with a diversity of individuals at all organizational levels.
• Demonstrated ability to work independently within interpretive guidelines, take the initiative, and perform effectively in a fast‑paced and constantly changing environment.

• Competitive salary ($154,500 - $200,000)
• Retirement Savings: 401(k) pre‑tax and/or Roth after‑tax
• 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)

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.

• Director

• Full‑time

• Management and Manufacturing

• Wholesale Building Materials, Mining, and Construction