Trelleborg AB

Engineer- Principal Rubber Materials

Trelleborg AB • $110K — $130K *
Manufacturing & Automotive
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's or Master's Degree in Polymer Science, Chemical Engineering, Materials Science, or Chemistry
  • 5-10 years of experience in rubber compounding or materials development
  • Hands-on experience with mixing, testing, and processing of rubber materials
  • Proven track record of managing projects and solving complex material problems
  • Strong communication skills to convey technical concepts to diverse audiences

Responsibilities

  • Act as a subject-matter expert on rubber materials and formulations
  • Lead the lifecycle of compound development from conception to production
  • Document development work and ensure continuous improvement
  • Establish and operate an R&D mixing laboratory for testing and prototyping
  • Drive cost optimization and lead VAVE initiatives to enhance efficiency
  • Facilitate collaboration with cross-functional teams to support project execution
  • Analyze performance data to guide formulation decisions

Benefits

  • 401(k) retirement plan
  • 401(k) matching contribution
  • Dental insurance
  • Life insurance
  • Paid time off for personal and vacation days
  • Tuition reimbursement for further education
  • Vision insurance options
Full Job Description
Job description:

1. Summary of the role

Technical Leadership & Material Expertise

  • Act as the subject-matter expert on rubber materials, formulations, and processing interactions.
  • Analyze how raw materials, mixing parameters, and downstream processes affect compound performance.
  • Evaluate the consequences of formulation or process changes and provide clear guidance to stakeholders.
  • Support quality, purchasing, and customer-facing teams with technical insight and problem-solving.


Compound Development Ownership

  • Lead the full lifecycle of compound development-from initial concept and formulation through pilot trials and full-scale production.
  • Maintain accountability for performance, manufacturability, cost, and customer satisfaction at every stage.
  • Document development work, testing results, and decision rationales to ensure traceability and continuous improvement.


R&D Mixing Lab Leadership

  • Establish, equip, and operate an R&D mixing laboratory to support innovation, testing, and rapid prototyping.
  • Develop lab procedures, safety protocols, and testing workflows aligned with production requirements.
  • Use the lab to accelerate development cycles, validate new materials, and troubleshoot production issues.


Collaboration with Mixing Facility

  • Partner closely with the mixing facility and team to align capabilities, processes, and development needs.
  • Ensure smooth scale-up from lab to production by coordinating trials, optimizing parameters, and validating performance.
  • Provide technical training, guidance, and support to mixing personnel as needed.


2. Tasks and Responsibilities

Core Responsibilities

Formulation & Recipe Development

  • Develop new rubber formulations and compound recipes tailored to performance, processing, and cost requirements.
  • Maintain and continuously refine existing formulations to ensure consistency, quality, and alignment with evolving material availability and customer needs.


Cost Optimization & VAVE

  • Identify and execute material-based cost-reduction opportunities without compromising performance.
  • Lead Value-Add/Value-Engineered (VAVE) initiatives by evaluating alternative raw materials, optimizing formulations, and improving process efficiency.


Project Leadership

  • Drive technical and cross-functional projects from concept through implementation, ensuring alignment with timelines, deliverables, and business objectives.
  • Coordinate with purchasing, quality, production, and customer teams to ensure smooth execution and clear communication.


R&D Lab Development

  • Build and develop an R&D laboratory to support formulation work, testing, and rapid prototyping.
  • Establish lab workflows, equipment needs, safety practices, and testing capabilities that mirror or support production processes.


Team & Meeting Leadership

  • Lead technical discussions, cross-functional meetings, and project reviews with clarity and authority.
  • Facilitate collaboration across departments to ensure alignment on materials, processes, and development priorities.
  • Work cross-functionally with Application Engineering and Sales to translate customer needs into innovative material solutions that enable growth.


Continuous Improvement

  • Champion continuous improvement initiatives across formulation, mixing, testing, and production processes.
  • Use data, testing results, and root-cause analysis to drive improvements in quality, performance, and efficiency.


Technical Communication & Presentations

  • Prepare and deliver clear, compelling presentations for internal teams, leadership, and customers.
  • Translate complex technical information into actionable insights for non-technical stakeholders.


Data Analysis & Reporting

  • Analyze test results, production data, and material performance trends to guide decision-making.
  • Compile concise, well-structured summaries and technical reports that document findings, conclusions, and recommendations.


3. Education and Experience

  • Bachelor's/Masters Degree and min. 5 years experience.
  • Polymer Science / Polymer Engineering
  • Chemical Engineering
  • Materials Science & Engineering
  • Chemistry
  • 3-10+ years of rubber compounding or materials development experience
  • Hands-on exposure to mixing, testing, and processing
  • Experience working with production teams, quality, purchasing, and customers
  • Proven ability to lead projects and solve complex material problems


4. Competences

Communication Excellence

  • Communicates clearly, confidently, and professionally in both written and verbal formats.
  • Tailors communication to technical and non-technical audiences, ensuring alignment and understanding across teams.


Integrity & Confidentiality

  • Demonstrates trustworthiness when handling sensitive technical, commercial, or customer information.
  • Maintains discretion and adheres to ethical standards in all interactions.


Problem-Solving Capability

  • Approaches challenges with a structured, logical mindset.
  • Identifies root causes quickly and develops practical, data-driven solutions.


Analytical Thinking

  • Interprets complex data, test results, and material behavior to guide decisions.
  • Uses critical thinking to evaluate options, anticipate consequences, and optimize outcomes.


Independence & Initiative

  • Works effectively with minimal supervision, taking ownership of tasks and decisions.
  • Proactively identifies opportunities for improvement and drives them forward.


Responsibility & Accountability

  • Takes full responsibility for commitments, deliverables, and outcomes.
  • Follows through consistently and maintains high standards of quality and reliability.
  • Maintains a holistic view of materials, processes, cost drivers, and customer requirements.


5. Key Interfaces and Stakeholders

  • Describe which interfaces and stakeholders the position will have in the job. (For example outside customers, R&D internally, manager, peers).


Operations

  • Collaborates closely with production teams to ensure formulations run efficiently at scale.
  • Supports troubleshooting, process optimization, and alignment between lab development and factory capability.


Sales

  • Provides technical insight to support customer discussions, quotations, and new business opportunities.
  • Ensures sales teams understand material capabilities, limitations, and value propositions.


Development / Engineering

  • Works jointly on new product introductions, design changes, and performance requirements.
  • Develop innovative material solutions that drive sustainable growth.
  • Aligns material choices with engineering needs and long-term product strategies.


Customers

  • Serves as a technical contact for material performance, testing, and issue resolution.
  • Translates customer requirements into actionable formulation and process decisions.


Operators

  • Engages with mixing, extrusion, molding, and testing operators to understand real-world challenges.
  • Provides guidance, training, and feedback to ensure consistent execution of material specifications.


Purchasing

  • Partners on raw material selection, supplier qualification, and cost-reduction initiatives.
  • Ensures material choices balance performance, availability, and commercial targets.


Suppliers

  • Maintains strong relationships with raw material suppliers to stay informed on new technologies, pricing, and supply chain risks.
  • Evaluates supplier data, samples, and technical support for formulation development.


Quality Control (QC)

  • Works with QC to define testing requirements, interpret results, and maintain material consistency.
  • Supports investigations, audits, and corrective actions related to material performance.


6. Geography to cover and travel requirements

  • Indicate if the responsibility is global/international/country/or local. Indicate if travelling or off site work days are required and give an estimation of days per year.
  • 50% travel


7. Behavioral Characteristics

  • Describe personality traits important for success in the position. (Examples: flexibility, integrity, creativity, goal orientation, cooperation, initiative taking).


Flexibility

  • Adapts quickly to changing priorities, customer needs, and production realities.
  • Maintains effectiveness in fast-paced environments where materials, timelines, or requirements may shift.


Engagement & Initiative

  • Shows genuine commitment to projects, teams, and organizational goals.
  • Demonstrates high energy, curiosity, and a proactive approach to solving challenges and driving progress.


Team Orientation

  • Collaborates effectively across departments, fostering trust and shared ownership.
  • Supports colleagues, encourages open communication, and contributes to a positive team culture.


Emotional Intelligence

  • Understands and manages personal emotions while responding constructively to others.
  • Navigates conflict, feedback, and high-pressure situations with composure and empathy.
  • Builds strong relationships through active listening, respect, and awareness of diverse perspectives.


8. Key Performance Indicators

Compound Development & Innovation

  • Develop a targeted number of new or improved rubber compounds per year, aligned with customer needs and internal growth objectives.
  • Ensure new formulations meet performance, processing, and cost requirements while transitioning smoothly from lab to production.
  • Maintain and continuously improve existing formulations to enhance quality, consistency, and manufacturability.


Cost Optimization & Value Engineering

  • Achieve annual price improvements on existing compounds through material substitutions, formulation optimization, and VAVE initiatives.
  • Deliver quantifiable cost savings without compromising performance or customer satisfaction.
  • Support Purchasing with technical insights that strengthen supplier negotiations and material strategy.


Process Efficiency & Mixing Performance

  • Reduce mixing cycle times through formulation refinement, improved dispersion, and process optimization.
  • Increase throughput and reduce variability by aligning material behavior with equipment capabilities.
  • Partner with Operations to validate improvements and ensure repeatability at production scale.


Technical Problem-Solving & Analytical Rigor

  • Diagnose material, process, and performance issues using structured problem-solving and data-driven analysis.
  • Provide timely, accurate technical guidance to internal teams and customers.
  • Compile clear summaries, reports, and recommendations based on testing and evaluation.


Cross-Functional Collaboration & Stakeholder Engagement
• Maintain strong working relationships with Operations, Sales, Development, QC, Purchasing, Suppliers, and Customers.
• Lead meetings, technical reviews, and project discussions with clarity and confidence.
• Ensure alignment across departments on formulation changes, development timelines, and performance expectations

Leadership, Initiative & Continuous Improvement
• Demonstrate ownership of projects, timelines, and outcomes with minimal supervision.
• Drive continuous improvement initiatives in materials, processes, and testing methodologies.
• Contribute to a collaborative, team-oriented environment through engagement, flexibility, and emotional intelligence.

Communication & Professional Conduct
• Deliver clear, concise written and verbal communication tailored to diverse audiences.
• Handle confidential information with integrity and professionalism.
• Present technical findings, project updates, and recommendations in a structured, compelling manner.

NOTE: This job description is not intended to be all-inclusive. Employees may perform other related duties as required to meet the ongoing needs of the organization.

Benefits:

  • 401(k)
  • 401(k) matching
  • Dental insurance
  • Life insurance
  • Paid time off
  • Tuition reimbursement
  • Vision insurance


Work Location: In person

About Trelleborg AB

Trelleborg AB is a global engineering group focused on polymer technology, with headquarters in Trelleborg, Sweden. The company operates in three main business areas: Trelleborg Industrial Solutions, Trelleborg Sealing Solutions, and Trelleborg Wheel Systems. Trelleborg's products are used in a wide range of industries, including aerospace, automotive, construction, healthcare, and oil and gas. The company has operations in over 50 countries and employs approximately 24,000 people. Trelleborg is listed on the Stockholm Stock Exchange and has a market capitalization of approximately SEK 50 billion.
Learn more about Trelleborg AB
Size
24,000 employees
Industry

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