Head of Commercial Growth - Heavy-Duty Trucks & HydroMech

Marmon-Herrington Company As a part of the global industrial organization Marmon Holdings—which is backed by Berkshire Hathaway—you’ll be doing things that matter, leading at every level, and winning a better way. We’re committed to making a positive impact on the world, providing you with diverse learning and working opportunities, and fostering a culture where everyone’s empowered to be their best. The Sales Manager will lead commercial growth initiatives across Marmon-Herrington’s Class 6–8 truck conversion business and emerging HydroMech product portfolio, including iVT and VPD technologies. This role is responsible for driving revenue growth, expanding market presence, developing strategic customer relationships, and identifying new business opportunities across OEMs, dealers, distributors, municipalities, utility fleets, and specialty vehicle markets. The ideal candidate combines strong commercial acumen with technical credibility and has the ability to build trusted customer partnerships while influencing cross-functional execution internally. This position partners closely with the Vice President of Sales & Marketing and offers significant visibility across the organization, with strong potential for future leadership growth within Marmon-Herrington and Marmon Transportation Group. Essential Duties/Responsibilities Drive profitable sales growth across the Class 6–8 AWD and HydroMech product portfolio. Develop and execute strategic business development plans to expand market share and penetrate new customer segments. Build, strengthen, and manage long-term relationships with OEMs, dealers, distributors, fleet customers, municipalities, and end users. Identify and pursue new commercial opportunities aligned with Marmon-Herrington’s long-term growth strategy. Lead customer-facing commercial discussions including quoting, pricing strategy, product positioning, and value-based selling. Partner cross-functionally with Engineering, Operations, Supply Chain, and Customer Support teams to ensure successful execution and customer satisfaction. Serve as a key commercial voice for customer feedback, market trends, competitive intelligence, and product improvement opportunities. Support go-to-market strategies, industry events, trade shows, and customer engagement activities to strengthen brand presence and drive pipeline growth. Provide technical and application support to customers as needed, including assisting with troubleshooting and product-related issue resolution. Support development of commercial tools, technical documentation, customer presentations, and sales enablement materials. Maintain a high level of responsiveness, professionalism, and customer engagement in a fast-paced environment. Travel regularly to customer sites, industry events, and partner locations throughout North America. Required Skills & Qualifications Bachelor’s degree in Engineering, Business, or related technical field. Technical automotive and mechanical aptitude preferred, including diagnostics, fault codes, and ECU systems. Experience in heavy-duty truck, utility, or specialty vehicle markets preferred; utility industry experience is a plus. Strong communication, relationship-building, and customer engagement skills. Proven problem-solving ability, business judgment, and ability to work independently in a fast-paced environment. Ability to support technical documentation, trade events, and customer-facing activities. Proficient in Microsoft Office and general business systems. Ability to travel 40% to support customers, dealers, OEMs, and industry events. Strong value-selling mindset with resilience, adaptability, and persistence in a competitive sales environment. Leadership & Career Growth Path This role is designed for a commercially driven leader with strong long-term growth potential. Successful candidates will have opportunities to expand commercial leadership responsibilities and grow into broader sales, business development, or strategic leadership roles within Marmon-Herrington and the Marmon Transportation Group. Marmon’s decentralized business model provides high-performing individuals with significant visibility, autonomy, and career advancement opportunities across a global network of industrial businesses. Following receipt of a conditional offer of employment, candidates will be required to complete additional job-related screening processes as permitted or required by applicable law. We are an equal opportunity employer, and all applicants will be considered for employment without attention to their membership in any protected class. If you require any reasonable accommodation to complete your application or any part of the recruiting process, please email your request to View email address on click.appcast.io, and please be sure to include the title and the location of the position for which you are applying. #J-18808-Ljbffr Marmon-Herrington