Account Manager - Engineered Plastics

Trinseo; Terneuzen; On-site; EUR 100,000 - 150,000; Full time

Job summary

Trinseo is seeking an Account Manager Engineered Solutions & Polymer Solutions for Northwest Europe. You will manage high-value accounts in PMMA, Compounding, ABS, PS, and SAN, steering growth, pricing, and contracts across the region.

You will lead customer strategies, collaborate with internal teams, and deliver forecast-driven results. Strong English and German, plus willingness to travel 50–60% within Europe, are essential.

Qualifications

• Engineering or business degree with strong plastics/industrial market affinity.
• Minimum 10 years in chemical/plastics sector.
• At least 5 years in commercial/sales role.
• Proven track record in account management and negotiations.

Responsibilities

• Manage and develop assigned key accounts to achieve sales targets.
• Coordinate with internal teams including TS&D, Customer Service, Supply Chain, Product Management, and Logistics.
• Build relationships with decision makers and stakeholders.
• Develop account strategies and growth plans.
• Lead commercial negotiations and contractual agreements.
• Provide accurate demand forecasts and maintain CRM data.
• Represent the company at events and conferences.

Skills

Fluent English

Fluent German

Relationship building

Communication skills

Analytical thinking

Forecasting

Independent work

Presentation skills

Commercial mindset

Education

Engineering degree

Business/Commercial degree

Tools

SalesForce

CRM tools

MS Office

Job description

Overview

Trinseo is a different kind of global materials company – at the intersection of people, technology, and customers. We are a world leader in the production of plastics and latex binders. Our culture is built on passion and innovation.

Overview

Trinseo is a different kind of global materials company – at the intersection of people, technology, and customers. We are a world leader in the production of plastics and latex binders. Our culture is built on passion and innovation. A career at Trinseo presents a unique opportunity to work in a highly collaborative environment. Helping customers solve their most complex material challenges is the reason we come to work each day. We are seeking innovative thinkers – ready to tackle any challenge and passionate about delivering value. As a global materials solutions provider focused on delivering innovative and sustainable solutions to our customers, we need people to feel respected and included so they can be more creative, innovative, and successful. We strive to create workplaces that reflect all communities and customers we serve and where everyone feels empowered to bring their full, authentic selves to work. That's why we're fully committed to inclusion across race, gender, age, religion, identity, and experience to drive us forward every day.

Role Overview

The Account Manager Engineered Solutions & Polymer Solutions Northwest Europe is responsible for managing and developing the Engineered Solutions & Polymer Solutions business across Northwest Europe, including PMMA, Compounding, ABS, PS and SAN materials. The role has full accountability for achieving volume, margin and growth targets within an assigned customer portfolio with a revenue responsibility of approximately $50 million. The position focuses on managing strategic and complex international key accounts, building strong customer relationships, leading commercial negotiations, identifying growth opportunities and delivering long‑term value creation. The Account Manager works closely with customers and internal stakeholders to develop account strategies, drive business growth and ensure excellent customer service across key end‑use markets.

Responsibilities

• Manage and develop assigned customer accounts to achieve sales, volume, margin and profitability targets.
• Act as the primary commercial contact for customers and coordinate internal resources including TS&D, Customer Service, Supply Chain, Product Management and Logistics.
• Build and maintain strong relationships with customers, decision makers, influencers and key stakeholders.
• Develop customer‑specific account strategies and execute growth plans aligned with business objectives.
• Identify, assess and prioritize value growth opportunities and operational excellence initiatives.
• Own the complete sales process including contracts, pricing agreements, rebates, volume commitments, forecasting and credit management.
• Lead commercial negotiations and ensure successful execution of contractual agreements.
• Provide accurate demand forecasts and maintain customer information through CRM tools and SalesForce.
• Monitor and report account performance against agreed sales and profitability targets.
• Drive commercial excellence through professional communication, reporting and account planning.
• Develop and maintain a pipeline of new business and value growth projects.
• Collect and communicate market intelligence regarding customers, competitors, industry trends and new business opportunities.
• Support product specification activities and growth initiatives with converters, molders and contract manufacturers.
• Collaborate closely with internal functions to deliver outstanding customer service and business results.
• Represent the company at customer events, trade fairs, industry conferences and professional networking activities.

Qualifications

Education

• Engineering degree with strong commercial capabilities, or a Business/Commercial degree with a strong affinity for plastics, chemistry and industrial markets.

Experience

• Minimum 10 years of experience within the chemical, plastics or related industries.
• At least 5 years of experience in a commercial or sales role.
• Proven track record in account management, business development and commercial negotiations.

Knowledge, Skills & Abilities

• Strong knowledge of plastics markets, applications and customer value chains.
• Understanding of polymer materials, plastics processing and industrial manufacturing environments.
• Excellent commercial, negotiation and business development skills.
• Strong relationship‑building and interpersonal effectiveness.
• Ability to manage complex customer situations and negotiate strategic agreements.
• Strong analytical, planning and forecasting capabilities.
• Customer‑focused and results‑oriented mindset.
• Proactive, self‑motivated and able to work independently.
• Strong communication and presentation skills.
• Good financial and business acumen.
• Proficiency in MS Office, CRM tools and SalesForce.
• Fluent in English and German; additional European languages are an advantage.
• Willingness to travel extensively within the region (approximately 50–60%).

Equity and Inclusion

With our expanding global presence, cross-cultural insight and competence are essential for our ongoing success. We believe that a diverse workforce contributes different perspectives, experiences, and creative ideas that enable us to continue to improve every day. Race, gender, ethnicity, country of origin, age, personal style, sexual orientation, physical ability, religion, work and life experiences and many more factors contribute to this diversity. We welcome all applicants, regardless of their backgrounds, and are committed to a fair and inclusive hiring process.