Account Manager - Functional Plastics - Automotive

Thornley Corporate Solutions
Detroit, MI

Key Account Manager Automotive (Functional Plastics)
$135k + Bonus + Car Allowance
Location: Western New York | Michigan (remote with travel)

We are hiring a Key Account Manager to help double a $15m North American automotive business to $30m+ in the next 2 to 3 years, backed by already awarded programs and nomination letters.

This is not a maintenance role. You will be expected to win business, grow accounts, and add around $10 to $15m in revenue as part of the wider sales effort.

What you will do

  • Own and grow key Tier 1 accounts
  • Win new programs and increase content per vehicle
  • Lead pricing, negotiation, and commercial strategy
  • Work cross functionally with engineering and operations
  • Expand business with Tier 1s, including Japanese and Korean customers

What you will bring

  • Strong automotive B2B sales or key account management experience
  • Proven track record selling into Tier 1 suppliers
  • Experience working on complex, multi year automotive programs
  • Evidence of delivering revenue growth in the millions
  • Background selling technical or engineered components

Experience with functional plastics or similar components used in suspension, steering or braking is ideal. Candidates from interior plastics will be considered if they have strong automotive sales experience and can adapt quickly to a more functional product focus.

Role profile

  • 50 to 60 percent account management and growth, with the remainder focused on new business
  • Comfortable operating in a lean, high visibility environment
  • Ambitious, organized and proactive
  • Willing to travel across the US for customer engagement

Why it is worth a conversation

  • Real growth from $15m to $30m+, backed by awarded business
  • Autonomy to shape strategy in a lean structure
  • Visibility with direct access to leadership and fast decisions
  • Turnaround story with strong backing

Strong benefits package including bonus, car allowance, 401(k) match, and 80% medical coverage.

If you have sold into Tier 1 suppliers and want a role where you can genuinely move the needle, get in touch.

Posted 2026-06-08

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