Aftermarket Sales Manager

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 Aftermarket Sales Manager is responsible for driving profitable aftermarket growth, expanding market share, and developing new business opportunities for Marmon-Herrington within the heavy-duty transportation industry. This role leads strategic initiatives focused on market analysis, business development, customer engagement, and sales growth while working cross-functionally to align customer needs with product and commercial strategies.

The successful candidate will combine strong commercial acumen with market insight to identify opportunities, recover lost business, strengthen customer relationships, and deliver sustainable revenue growth.

Key Responsibilities

Growth Strategy & Market Development

Develop and execute strategies to increase aftermarket sales, profitability, and market share.

Analyze market trends, competitive activity, and customer requirements to identify growth opportunities.

Evaluate lost business and implement plans to regain market position.

Identify and develop opportunities in adjacent product, drivetrain, powertrain, and specialty vehicle markets.

Build business cases and growth plans for new products, customers, channels, and market segments.

Sales & Customer Leadership

Develop annual sales plans, forecasts, and growth objectives.

Manage key customer relationships including fleets, OEMs, distributors, dealers, and service organizations.

Lead customer engagement activities to improve retention, satisfaction, and revenue growth.

Support contract negotiations and major commercial initiatives.

Represent the company at industry events, trade shows, and customer meetings.

Product & Commercial Strategy

Collaborate with Engineering, Marketing, Purchasing, and Operations to align products and services with market needs.

Identify product improvement and new product opportunities based on customer and market feedback.

Support pricing, distribution, and promotional strategies that improve competitive position and profitability.

Partner with Marketing on customer engagement, product launches, and growth campaigns.

Business Performance

Monitor and report key performance indicators including revenue, margin, market share, customer retention, and new business wins.

Provide regular business reviews and strategic recommendations to executive leadership.

Maintain awareness of industry trends, emerging technologies, and competitive developments.

Qualifications Education

Bachelor’s degree in business, Marketing, Engineering, Supply Chain, or related field.

MBA preferred.

Experience

7+ years of experience in sales, business development, product management, or aftermarket operations.

Experience in Class 8 trucks, heavy-duty transportation, powertrain, drivetrain, axle, transmission, transfer case, or specialty vehicle markets strongly preferred.

Proven track record of growing revenue, market share, and customer relationships. • Strong understanding of OEM and aftermarket distribution channels.

Core Competencies

Strategic Planning & Execution

Business Development

Market Analysis

Customer Relationship Management

Product & Pricing Strategy

Financial Acumen

Negotiation & Influencing Skills

Data-Driven Decision Making

Cross-Functional Leadership

Executive Communication

Key Success Metrics

Aftermarket revenue growth

Gross margin improvement

Market share expansion

New business acquisition

Customer retention and satisfaction

Distribution channel growth

Successful launch of new products and market initiatives

Ideal Candidate

A strategic, results-oriented commercial leader who understands the heavy-duty transportation industry and can translate market insights into profitable growth. The ideal candidate combines the analytical mindset of a product manager with the customer focus and execution skills of a sales leader, driving both immediate results and long-term market expansion.

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 careers@marmon.com, and please be sure to include the title and the location of the position for which you are applying.