ThermoFisher Scientific logo

Associate Scientist, Purification Process

ThermoFisher Scientific

Wilmington, DEJobSeen 4 days agoSeen in employer's feed 4 days ago

Most applications go out cold — see where you stand first. No sign-up to start.

You apply on the employer's site, with no Olive account needed.

Watch jobs like this.

Don't just apply. Show up ready.

Olive works from this exact posting.

At a glance

Compensation
No compensation found
Location
Wilmington, DE
Work Authorization
Not specified

Olive lists jobs from US employers, including remote roles you can work from the United States.

Job overview

The Associate Scientist supports downstream process development and optimization for therapeutic monoclonal antibody and bispecific products across the clinical lifecycle. The role performs protein purification, routine in-process analyses, and laboratory preparation, while supporting formulation and cell culture teams. This is a fully onsite position at a customer site in Wilmington, Delaware. A BS or MS in a related field is sought; relevant industry experience is preferred, not required.

Skills & qualifications

RequiredNice to have

Skills

Protein ChemistryBioprocessingColumn and Membrane ChromatographyFiltration TechnologyProtein AnalysisHPLCELISApH TestingConductivity TestingA280 Concentration TestingUltrafiltration and DiafiltrationTFF SystemsInventory ManagementVerbal CommunicationWritten CommunicationOrganizationCollaborationIndependenceMeticulousnessLifting and Moving 25 Pounds

Qualifications

BS or MS in Related FieldUp to 2 Years Industry ExperienceUS Work Authorization Without SponsorshipPass Background Check and Drug Screening

Benefits

Medical Insurance

Full job description

Work Schedule

Standard (Mon-Fri)

Environmental Conditions

Laboratory Setting

Job Description

Associate Scientist, Purification Process Science

Job Title: Associate Scientist, Purification Process

This is a fully onsite role based at our customer’s site in Wilmington, DE. We welcome applicants from all locations within the US. Please note that relocation assistance is not provided for this position, and any relocation costs will be the responsibility of the candidate.

Must be legally authorized to work in the United States without sponsorship.

Must be able to pass a comprehensive background check, which includes a drug screening.

At Thermo Fisher Scientific, you’ll discover meaningful work that makes a positive impact on a global scale. Join our colleagues in bringing our Mission to life - enabling our customers to make the world healthier, cleaner and safer. We provide our teams with the resources needed to achieve individual career goals while taking science a step beyond through research, development and delivery of life-changing therapies. With clinical trials conducted in 100+ countries and ongoing development of novel frameworks for clinical research through our PPD clinical research portfolio, our work spans laboratory, digital and decentralized clinical trial services. Your determination to deliver quality and accuracy will improve health outcomes that people and communities depend on – now and in the future.

Thermo Fisher's clinical research business is a leading global contract research organization and world leader in serving science. We are passionate, deliberate, and driven by our mission – to enable our customers to make the world healthier, safer, and cleaner.

Our Laboratories Functional Service Partnership (FSP) team plays a direct role in advancing drug development by creating sustained groups of talent within our customers’ organizations to provide long-term support. Through this collaborative approach, our professionals bring their commitment to excellence, industry knowledge, and operational strength directly into customer environments, helping to enhance capabilities and advance the delivery of life-changing therapies.

Job Summary:

Our Client is seeking a motivated and dedicated protein purification scientist to support downstream process development and optimization, primarily for novel therapeutic monoclonal antibody and bispecific products throughout all stages of the clinical lifecycle.

Key Responsibilities

  • Perform or aid in purification process development, optimization, and scale-up manufacturing

  • Conduct protein purification to support formulation team’s material needs and cell culture development

  • Perform routine analyses of in-process samples using relevant product purity and process impurity analytical tools

  • Prepare buffers and solutions needed for laboratory work

  • Present work summary in a weekly group meeting

  • Write routine electronic laboratory notebook entries

  • Other responsibilities as assigned

Education and Experience

BS or MS degree in biochemistry, bioengineering, biology, chemistry or related field, preferably with up to 2 years of relevant industry experience

In some cases an equivalency, consisting of a combination of appropriate education, training and/or directly related experience, will be considered sufficient for an individual to meet the requirements of the role.

Knowledge, Skills and Abilities:

  • Basic knowledge in protein chemistry and bioprocessing

  • Basic knowledge and preferably hands-on experiences in various types of column/membrane chromatography (affinity, size exclusion, ion exchanges, multi-mode) and filtration technology

  • Experience in protein analysis such as HPLC, ELISA, pH/Conductivity/A280 Concentration testing, etc. is preferred

  • Hands-on experience or basic knowledge of Ultrafiltration/Diafiltration experimentation and TFF systems is preferred

  • Inventory management skills preferred

  • Good verbal and written communication skills

  • Organized, collaborative, independent, meticulous

Working Environment:

Below is listed the working environment/requirements for this role:

Able to communicate, receive, and understand information and ideas with diverse groups of people in a comprehensible and reasonable manner.

Able to work upright and stationary and/or standing for typical working hours.

Able to lift and move objects up to 25 pounds

Able to work in non-traditional work environments.

Able to use and learn standard office equipment and technology with

proficiency.

May have exposure to potentially hazardous elements, including infectious agents, typically found in healthcare or laboratory environments.

Able to perform successfully under pressure while prioritizing and handling multiple projects or activities.

Benefits

We offer competitive remuneration, annual incentive plan bonus, healthcare, and a range of employee benefits. Thermo Fisher Scientific offers employment with an innovative, forward-thinking organization, and outstanding career and development prospects. We offer an exciting company culture that stands for integrity, intensity, involvement, and innovation!

Why Join Us?

When you join Thermo Fisher Scientific, you become part of a global team that values passion, innovation, and a commitment to scientific excellence. You’ll work in an environment where collaboration and development are part of the everyday experience – and where your contributions truly make a difference.

Apply today to help us deliver tomorrow’s breakthrough.

Thermo Fisher Scientific is an EEO/Affirmative Action Employer and does not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability or any other legally protected status.

How this job compares

Set against the 2,125 open Scientist jobs on Olive Jobs, counted November 3, 2026.

Pay
  • This postingNot listed
  • US median$108–160K/yr1,143 salary ranges
  • US median$31–38/hr93 hourly ranges
Openings
Olive Jobs lists 17 open Scientist jobs in Delaware and 2,125 across the US. Under 1% of them nationwide are listed as remote or flexible.
Hiring the most across the US
Experience
Scientist postings that state a minimum ask for 3 years of experience at the median; the middle half ask for 1 to 6 years (1,561 postings).
Education
1,131 of the 2,125 open Scientist jobs (53%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 3, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

Prepare for this role

You've read the whole posting — now see how you match it.