Mechanical Engineer IV - Gas Heating

Lennox International; West Columbia (SC); On-site; USD 118,000 - 155,000; Full time

Benefits offered by this job

Tuition reimbursement

Medical, dental, and vision insurance

401(k) retirement plan

Short-term disability insurance

Eight weeks paid birthing leave

Paid bonding leave

Life and long-term disability

Job summary

Lennox International is seeking a senior Mechanical Engineer IV to solve highly complex challenges and lead major product development initiatives. The role demands technical leadership across projects, mentoring teams, and influencing strategic decisions to improve performance, reliability, and manufacturability.

The candidate should have extensive experience in combustion heating and product development, with strong CAD and analysis tool proficiency, and a drive for innovation.

Qualifications

• Advanced knowledge of engineering science and mechanical systems.
• Proven ability to lead major engineering projects and initiatives.
• Strong analytical, troubleshooting, and communication skills.

Responsibilities

• Lead design, development, analysis, and validation of complex mechanical systems.
• Direct major engineering projects and strategic development programs.
• Apply advanced theories and research methods to solve technical challenges.
• Conduct investigations, testing, and analyses for new designs and improvements.
• Mentor engineers and provide technical leadership across teams.

Skills

Education

Bachelor's degree in Mechanical Engineering

Master's degree in Mechanical Engineering

Tools

CAD software

engineering analysis tools

Job description

What Drives Success

The Mechanical Engineer IV is a senior technical engineering expert responsible for solving highly complex engineering challenges, leading major product development initiatives, and driving innovation across products, systems, and processes. This role applies advanced engineering theories, research methods, and design expertise to develop innovative solutions that improve product performance, reliability, manufacturability, and customer satisfaction. Successful individuals provide technical leadership across projects, mentor engineering teams, and influence strategic engineering decisions throughout the organization.

Key Responsibilities:

• Lead the design, development, analysis, and validation of complex mechanical and electromechanical systems, products, and components.


• Plan, organize, and technically direct major engineering projects and critical phases of strategic development programs.


• Apply advanced engineering methods, theories, and research techniques to solve complex technical challenges.


• Conduct investigations, testing, and analyses related to new designs, materials, and product improvements.


• Develop innovative engineering solutions that support performance, quality, cost, reliability, and customer requirements.


• Review technical data, test results, and engineering analyses to ensure sound technical decisions and recommendations.


• Research industry trends, technical literature, patents, standards, and emerging technologies to support innovation and product advancement.


• Evaluate engineering designs and makes recommendations for modifications to improve functionality, manufacturability, reliability, and performance.


• Coordinate and provide technical leadership to engineers, designers, engineering technicians, and other technical personnel.


• Support cross-functional teams including Manufacturing, Quality, Supply Chain, Product Management, and Operations to achieve project objectives.


• Evaluate supplier and vendor capabilities to ensure technical requirements, quality expectations, and business needs are met.


• Provide technical consultation and subject matter expertise to internal stakeholders and external organizations.


• Support root cause analysis, corrective actions, and continuous improvement initiatives related to products and processes.


• Ensure engineering work complies with customer requirements, industry standards, regulatory requirements, and company policies.


• Mentor and develop less experienced engineers and technical team members.

What You Bring to the Team:

• Advanced technical expertise in mechanical engineering and product development.


• Strong leadership and technical mentoring capabilities.


• Exceptional analytical and problem-solving skills.


• Ability to lead large, complex engineering projects from concept through implementation.


• Strong innovation and research-oriented mindset.


• Excellent communication, presentation, and influencing abilities.


• Ability to collaborate effectively across multiple disciplines and organizational levels.


• Strong attention to detail and commitment to engineering excellence.


• Strategic thinking combined with practical engineering judgment.

What We Are Looking For

Required Qualifications:

• Bachelor's degree in Mechanical Engineering or a related engineering discipline.


• Minimum of 10 years of engineering experience in combustion heating, product development, design engineering, or a related technical field.


• Advanced knowledge of engineering science, mechanical systems, and product development methodologies.


• Expert proficiency with CAD software and engineering analysis tools.


• Expert knowledge of engineering design principles, technical drawings, blueprints, models, and engineering documentation.


• Experience leading major engineering projects and complex technical initiatives.


• Demonstrated ability to apply advanced engineering theories and research methods to solve technical challenges.


• Strong analytical, troubleshooting, and technical problem-solving abilities.


• Experience evaluating new materials, technologies, manufacturing processes, and design alternatives.


• Excellent verbal, written, and presentation communication skills.


• Ability to provide technical leadership, mentorship, and engineering consultation across the organization.

Preferred Qualifications:

• Master's degree in Mechanical Engineering or a related engineering discipline.


• Experience with HVAC OEM


• Experience leading cross-functional product development programs from concept through production launch.


• Expertise in engineering simulation, finite element analysis, computational modeling, or advanced testing methodologies.


• Experience supporting manufacturing operations, supplier development, and design-for-manufacturing initiatives.


• Knowledge of industry standards, regulatory requirements, patents, and intellectual property considerations.


• Professional Engineer (PE) license or other advanced engineering certifications.

What We Offer

Compensation: This is a salaried exempt role. The starting salary range for this role and market is between $118,000-$155,400annually. 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


• 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.

We may use automated tools, including artificial intelligence, to support parts of our hiring process, such as application review and interview scheduling. These tools assist our teams but do not replace human decision-making. If you need an accommodation or have questions, please contact [e-mail].

#LI-AB2

#LI-onsite

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.

Allied Air Enterprises is a division of Lennox International. We bring together the collective strengths of seven comfort brands – Armstrong Air, AirEase, Concord, Ducane, Allied, Allied Commercial and Magic-Pak to give distributors and dealers the ultimate source for heating and cooling solutions. From compact residential applications to large commercial projects, Allied Aire Enterprises redefines ease-of-business through breadth of product, resources and competencies unparalleled in the market.

At Allied Air Enterprises, we’re proof of how effective good people can be. We’ve based our entire business on hiring talented, dedicated professionals and giving them the resources needed to thrive. Having the right people can elevate the attitude, ideas, quality and commitment of any facility, and we’re proud to say our employees do so every day. The dedication we have for promoting environmental sustainability through innovation is only possible due to our employees’ creativity and their desire to improve the world. We believe they help us create products that are better for homeowners, better for the environment, and better for the professional dealers who install them every day.