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Manufacturing Engineer III

Lennox International
Marshalltown, IA Full Time
POSTED ON 6/5/2026
AVAILABLE BEFORE 5/18/2027

Who We Are

Lennox (NYSE: LII) Driven by 130 years of legacy, HVAC and refrigeration success, Lennox provides our residential and commercial customers with industry-leading climate-control solutions. At Lennox, we win as a team, aiming for excellence and delivering innovative, sustainable products and services. Our culture guides us and creates a workplace where all employees feel heard and welcomed. Lennox is a global community that values each team member’s contributions and offers a supportive environment for career development. Come, stay, and grow with us.

What Drives Success

This engineer plans and designs complex manufacturing processes in an industrial plant. The engineer has full technical responsibility for planning, organizing and conducting independent technical projects for the engineering support of manufacturing operations such as machining, metal forming, plastics processing, welding and brazing, assemblyand material handling.

 

Duties include, but are not limited to: 

  • Provide complex advisory support in the design, fabrication, modification and evaluation of manufacturing operations.
  • Conceive and plan projects involving major production activities, exploration of product and/or process problems, and the definition and selection of new concepts and approaches in manufacturing operations.
  • Conduct independent technical investigations involving the application of complex technical principles.
  • Evaluate test and production data, prepare technical analysis, and recommend manufacturing methods and processes required to meet design objectives on new or improved products and/or processes.
  • Coordinate complex technical matters relating to assembly drawing interpretation, Engineering Change Notices, rework, and manufacturing difficulties and specifications.
  • Coordinate with other technical support personnel.
  • Assign work to drafters and technicians, technical writers, engineering technicians and machine shop personnel as required.
  • Provide work leadership for lower-level employees.

What We Are Looking For

Requires a bachelor's degree or an equivalent combination of education and experience. Requires at least 5 years related experience.Understanding of the practical application of engineering science and technology. Experience with analytical and CAD software. Requires knowledge of design techniques, tools, and principles involved in production of precision technical plans, blueprints, drawings, and models. Requires expert knowledge of mechanical and manufacturing theory and design. Excellent verbal and written communication and presentation skills.

What We Offer

Compensation: This is a salaried exempt role. The starting salary range for this role and market is between $94,000 - $122,850 annually. Factors that may affect starting salary include geography/market and the skills, education, experience, and other qualifications of the successful candidate. Employees in this role are also eligible for an annual bonus in accordance with the terms of the Company’s applicable plan. Employees in this role are not eligible for overtime.

 

Benefits: Subject to applicable eligibility requirements, the following benefits are offered for this role: tuition reimbursement; medical, dental, and vision insurance; prescription drug coverage; 401(k) retirement plan; short-term disability insurance; 8 weeks paid birthing leave; 2 weeks paid bonding leave; life and long-term disability insurance.

 

Depending on date of hire, and subject to applicable eligibility requirements, new employees in this role also receive up to: 12 days paid time off, 2 paid well-being days, 1 paid volunteer day, 12 paid holidays, and 3 floating holidays per year.

 

Our Culture: At Lennox, our Core Values of Integrity, Respect & Excellence are ingrained in the fabric of the organization. They define our culture – which is about how we do business and how we treat others. Lennox is not just a workplace; we are a global community that values each team member’s contributions. As an equal opportunity employer, we are committed to recruit, develop, and retain talented individuals from a wide range of backgrounds, ensuring that everyone has the opportunity to succeed and contribute to our continued growth and success. At Lennox, you’ll take pride in our brands, knowing you are part of something special. Come, stay, and grow with us! 

 

Disclaimers: The compensation and benefits information is accurate as of the date of this posting. Lennox reserves the right to modify this information at any time, with or without notice, subject to applicable law.

Salary : $94,000 - $122,850

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