Thermo Fisher Scientific

Thermo Fisher Scientific

Posted via Workday

Scientist III, Field Applications - Protein Expression

Apply by Oct 28, 2026

Posted Oct 24, 2026

Role at a glance

Job function
Sales Technical Sales & Sales Engineering
Salary
$84K – $125K/yr
Location
Seattle, Washington, United States
Work arrangement
Remote
Employment
Full-time
Experience
Advanced Degree plus 5 years of experience, or Bachelor's Degree plus 7 years of experience with relevant hands-on experience in protein expression workflows.
Education
Advanced Degree plus 5 years of experience, or Bachelor's Degree plus 7 years of experience with relevant hands-on experience in protein...

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Role Summary

AI-generated

This Scientist III Field Applications role serves as a subject matter expert in protein expression workflows, with particular expertise in transient protein expression in mammalian cell systems. It sits on the Cell Biology Field Applications team and combines scientific expertise with customer engagement, training, troubleshooting, and commercial support. The posting lists the location as Washington/Oregon, remote.

What You'll Do

  • Provide pre- and post-sales scientific support
  • Deliver seminars and demonstrations
  • Conduct internal and external training
  • Partner with customers to address complex workflow challenges
  • Help connect protein expression with adjacent and downstream workflows, including protein purification, characterization, and analysis

Generated from the employer's posting. Verify important details before applying.

View full posting

Qualifications

Requires an advanced degree with 5 years or a bachelor's degree with 7 years of hands-on protein expression experience, plus mammalian transient expression expertise and customer-facing communication skills.

Required

  • Advanced Degree plus 5 years of experience, or Bachelor's Degree plus 7 years of experience with relevant hands-on experience in protein...
  • Advanced practical knowledge of transient protein expression, transfection and delivery, and protein production using mammalian cell systems
  • Demonstrated expertise in technical problem-solving and method development for optimizing protein expression workflows, including cell...
  • Ability to translate complex scientific concepts into practical recommendations for customers with varying levels of technical expertise
  • Clear written and verbal communication skills, presentation and training capabilities for both technical and non-technical audiences
  • Ability to build and maintain effective relationships with internal teams and external customers
  • Ability to work independently and collaboratively in a results-oriented environment
  • Willingness to travel up to 50-75% throughout the assigned territory, including customer sites, conferences, and internal meetings

Preferred

  • Experience with common downstream protein workflows, including protein purification and characterization, protein folding, aggregation,...
  • Experience with suspension cell culture and scale-up workflows
  • Experience with multiple protein-expression modalities, such as antibodies, recombinant proteins, difficult-to-express proteins, or...
  • Additional languages beneficial

Original job description

Content provided by the employer

Work Schedule

Standard (Mon-Fri)

Environmental Conditions

Laboratory Setting, Office, Some degree of PPE (Personal Protective Equipment) required (safety glasses, gowning, gloves, lab coat, ear plugs etc.), Will work with hazardous/toxic materials

Job Description

As part of the Thermo Fisher Scientific team, you'll discover meaningful work that makes a positive impact on a global scale. Join our colleagues in bringing our Mission to life every single day, enabling our customers to make the world healthier, cleaner, and safer. We provide our global teams with the resources needed to achieve individual career goals while helping take science a step further by developing solutions to some of the world's toughest challenges, such as protecting the environment, ensuring our food is safe, and helping find cures for cancer.


Location: Washington/Oregon - Remote

Travel: 50% of the time

DESCRIPTION:
We are seeking a Field Applications Scientist (FAS) to serve as a subject matter expert in protein expression workflows, with particular expertise in transient protein expression in mammalian cell systems. This role combines deep scientific expertise with customer engagement, training, troubleshooting, and commercial support to enable research and innovation and to optimize protein expression workflows.


As a member of the Cell Biology Field Applications team, you will work within a multidisciplinary, matrixed organization that includes commercial representatives, R&D scientists, Product Management, Market Development, and other technical specialists. In this role, responsibilities will include providing pre- and post-sales scientific support, delivering seminars and demonstrations, conducting internal and external training, and partnering with customers to address complex workflow challenges. The role will also help connect protein expression with adjacent and downstream workflows, including protein purification, characterization, and analysis.


REQUIREMENTS:
• Advanced Degree plus 5 years of experience, or Bachelor's Degree plus 7 years of experience with relevant hands-on experience in protein expression workflows.
• Advanced practical knowledge of transient protein expression, transfection and delivery, and protein production using mammalian cell systems.
• Demonstrated expertise in technical problem-solving and method development for optimizing protein expression workflows, including cell culture conditions, transfection parameters, expression conditions, scale-up, harvest, and assessment of protein yield and quality.

• Ability to translate complex scientific concepts into practical recommendations for customers with varying levels of technical expertise.

• Clear written and verbal communication skills, presentation and training capabilities for both technical and non-technical audiences.

• Ability to build and maintain effective relationships with internal teams and external customers.

• Ability to work independently and collaboratively in a results-oriented environment.

• Willingness to travel up to 50-75% throughout the assigned territory, including customer sites, conferences, and internal meetings.
• Fluent English required; additional languages beneficial
• Valid driver's license and passport required for travel


DESIRABLE EXPERIENCE:

• Experience with common downstream protein workflows is strongly preferred, including protein purification and characterization, protein folding, aggregation, post-translational modifications, and assessment of protein quality or function.
• Experience with suspension cell culture and scale-up workflows is highly desirable.
• Experience with multiple protein-expression modalities, such as antibodies, recombinant proteins, difficult-to-express proteins, or other biologically relevant targets, is desirable.

Compensation and Benefits

The salary range estimated for this position based in Washington is $84,000.00–$125,000.00.

This position may also be eligible to receive a variable annual bonus based on company, team, and/or individual performance results in accordance with company policy. We offer a comprehensive Total Rewards package that our U.S. colleagues and their families can count on, which includes:

  • A choice of national medical and dental plans, and a national vision plan, including health incentive programs

  • Employee assistance and family support programs, including commuter benefits and tuition reimbursement

  • At least 120 hours paid time off (PTO), 10 paid holidays annually, paid parental leave (3 weeks for bonding and 8 weeks for caregiver leave), accident and life insurance, and short- and long-term disability in accordance with company policy

  • Retirement and savings programs, such as our competitive 401(k) U.S. retirement savings plan

  • Employees’ Stock Purchase Plan (ESPP) offers eligible colleagues the opportunity to purchase company stock at a discount

For more information on our benefits, please visit: https://jobs.thermofisher.com/global/en/total-rewards

Thermo Fisher Scientific

About the company

Thermo Fisher Scientific

Large Enterprise

Thermo Fisher Scientific is a global leader in serving science, providing a wide range of analytical instruments, reagents, and software solutions for healthcare, pharmaceuticals, and life sciences research. With a commitment to innovation and quality, the company enables customers to make significant advancements in scientific discovery and healthcare diagnostics. Thermo Fisher operates in more than 50 countries and employs over 80,000 people, fostering a collaborative environment aimed at enhancing global health and safety. Through its broad portfolio of brands and technologies, the company plays a vital role in accelerating life-changing research and improving patient outcomes worldwide.