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Added 1 min ago
Tool Room Supervisor - Ironwood Area
The Pivot Group Network
Ironwood · Ironwood, MI
Machine Shop Supervisor, Maintenance Supervisor, Tool Room Foreman, Tool and Die Supervisor, Tooling Manager, Tool Room Lead, Tool and Die Maker, Die Maintenance Supervisor, Tooling Engineer
Added 1 min ago
Quality Engineer - Adrian Area
The Pivot Group Network
Adrian · Adrian, MI
Customer Quality Engineer, Quality Systems Engineer, Continuous Improvement Engineer, Quality Analyst, Reliability Engineer, Supplier Quality Engineer, Manufacturing Quality Engineer,…
Added 1 min ago
Advanced Quality Engineer - Grayling Area
The Pivot Group Network
Grayling · Grayling, MI
Supplier Quality Engineer, Manufacturing Quality Engineer, Quality Assurance Engineer, Continuous Improvement Engineer, Quality Systems Engineer, Process Quality Engineer, Customer Quality…
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Test Coordinator
CACI International
Fort Belvoir, VA
As a test engineer supporting Product Manager Soldier Tactical Reconnaissance, Intelligence and Kinetic Effects (STRIKE) within the Portfolio Acquisition Executive Layered Protection you…
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Substation Operations Technical Spec II
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SME Network Engineer
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Ashburn, VA
CACI is seeking a SME Network Engineer for the Global Mission Operations Support (GMOS) contract, supporting the Department of State. This role offers a unique opportunity to enhance…
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BC
Lead Control Systems Engineer
Bechtel Corporation
Reston, VA
- $105,000 to $178,500 USD / year
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Director, Federal Sales: Air Force and Space Force (Government)
AT&T
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· Technology fluency and intellectual curiosity. The candidate need not be the deepest engineer, but must be able to learn quickly, ask incisive questions, and lead credible conversations…
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Director, Federal Sales: Navy and Marine Corps (Government)
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· Technology fluency and intellectual curiosity. The candidate need not be the deepest engineer, but must be able to learn quickly, ask incisive questions, and lead credible conversations…
Added 2 mins ago
Engineer Nuclear 1 - 30456
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…fleet. With a holistic approach to life-cycle maritime defense systems-from small watercraft to submarines, surface combatants and aircraft carriers-HII ensures a high state of…
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Agile Coach and Release Train Engineer
BOOZ, ALLEN & HAMILTON, INC.
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Cloud Solutions Engineer
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McLean, VA
…Design, build, and maintain cloud infrastructure for IC OIG systems, including case management software and mission-critical applications hosted in cloud environments. Design and implement…
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Electrical Engineer
BOOZ, ALLEN & HAMILTON, INC.
McLean, VA
As an electrical engineer, you understand the workings behind complex systems. That knowledge is key when it comes to designing RF electronic system components. We're looking for an…
Added 2 mins ago
Tool Room Supervisor - Livonia Area
The Pivot Group Network
Livonia · Livonia, MI
Tooling Manager, Tool Room Lead, Tool and Die Maker, Die Maintenance Supervisor, Tooling Engineer, Machine Shop Supervisor, Maintenance Supervisor, Tool Room Foreman, Tool and Die Supervisor
Added 2 mins ago
Tool Room Supervisor - Coldwater Area
The Pivot Group Network
Coldwater · Coldwater, MI
Machine Shop Supervisor, Maintenance Supervisor, Tool Room Foreman, Tool and Die Supervisor, Tooling Manager, Tool Room Lead, Tool and Die Maker, Die Maintenance Supervisor, Tooling Engineer
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Project Manager - Houghton Area
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Houghton · Houghton, MI
…Introduction Manager, Capital Projects Manager, Production Project Lead, Plant Project Coordinator, Manufacturing Project Manager, Project Engineer, Program Manager, Operations Project…
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Six Sigma Black Belt - Iron River Area
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Iron River · Iron River, MI
…to building strong teams and look for professionals who can lead initiatives effectively. By connecting with The Pivot Group Network, you position yourself for roles that match your…
Added 2 mins ago
Applications Engineer - Gladwin Area
The Pivot Group Network
Gladwin · Gladwin, MI
Are you a forward-thinking professional with a passion for excelling as a applications engineer? The Pivot Group Network, a Michigan manufacturing-focused recruiting group, is committed to…
Added 2 mins ago
Quality Engineer - Houghton Area
The Pivot Group Network
Houghton · Houghton, MI
Manufacturing Quality Engineer, Quality Assurance Engineer, Process Quality Engineer, Customer Quality Engineer, Quality Systems Engineer, Continuous Improvement Engineer, Quality Analyst,…
Added 2 mins ago
Advanced Quality Engineer - Iron Mountain Area
The Pivot Group Network
Iron Mountain · Iron Mountain, MI
Quality Systems Engineer, Process Quality Engineer, Customer Quality Engineer, Reliability Engineer, Quality Specialist, Quality Engineer, Supplier Quality Engineer, Manufacturing Quality…
Added 2 mins ago
Quality Supervisor - Wixom Area
The Pivot Group Network
Wixom · Wixom, MI
Quality Manager, Quality Engineer, Quality Assurance Manager, Inspection Supervisor, Quality Team Lead, Supplier Quality Engineer, Manufacturing Quality Supervisor, Quality Assurance…
Added 4 mins ago
Quality Engineer - Marquette Area
The Pivot Group Network
Marquette · Marquette, MI
Quality Systems Engineer, Continuous Improvement Engineer, Quality Analyst, Reliability Engineer, Supplier Quality Engineer, Manufacturing Quality Engineer, Quality Assurance Engineer,…
Added 4 mins ago
Advanced Quality Engineer - Niles Area
The Pivot Group Network
Niles · Niles, MI
Supplier Quality Engineer, Manufacturing Quality Engineer, Quality Assurance Engineer, Continuous Improvement Engineer, Quality Systems Engineer, Process Quality Engineer, Customer Quality…
Added 4 mins ago
Applications Engineer - Croswell Area
The Pivot Group Network
Croswell · Croswell, MI
Are you a meticulous professional with a passion for excelling as a applications engineer? The Pivot Group Network, a Michigan manufacturing-focused recruiting group, is dedicated to…
Added 4 mins ago
Quality Engineer - Flint Area
The Pivot Group Network
Flint · Flint, MI
Quality Systems Engineer, Continuous Improvement Engineer, Quality Analyst, Reliability Engineer, Supplier Quality Engineer, Manufacturing Quality Engineer, Quality Assurance Engineer,…

Closed listing

Pfizer

Sr Scientist

Bothell, WA, United States

$93,600 to $156,000 USD / year

This opening has closed.

The original listing is kept below for reference.

Find open jobs More jobs with this employer

About employer

Job details

Pay: $93,600 to $156,000 USD / year
Posting language: English
Posted: Nov 7, 2026

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Original job description

Archived listing. The details below describe a past opening.

Use Your Power for Purpose

At Pfizer, our purpose is to deliver breakthroughs that change patients' lives. Central to this mission is our Research and Development team, which strives to translate advanced science and cutting-edge technologies into impactful therapies and vaccines. Whether you are involved in discovery sciences, ensuring drug safety and efficacy, or supporting clinical trials, your role is crucial. You will leverage innovative design and process development capabilities to accelerate the delivery of best-in-class medicines to patients globally.

What You Will Achiev e

We are seeking a highly motivated chemical engineer for the role of Senior Scientist-Chemical Engineer to join our DL Process Development team within Chemical Process and Analytical Development (CPAD) in Bothell, WA. You will join a diverse team responsible for developing Drug Linker (DL) processes for use at manufacturing plants across Pfizer's network. Chemical engineering principles contribute to the successful development, optimization and scale up of DL manufacturing processes. You will design and perform engineering-related laboratory experiments, integrating process modeling, statistics, and solid-state analysis. Strong communication, high technical aptitude, and creativity to foster original ideas are required for success in this position.

CPAD, as part of Pfizer R&D in Pharmaceutical Sciences, is responsible for the development of process technology to manufacture DL for Antibody Drug Conjugate. CPAD scientists engage in all facets of development from small-scale synthesis in support of medicinal chemistry programs, to the development and optimization of the commercial DL manufacturing process. In collaboration with chemists and analysts, you will lead the engineering activities during process development, process scale up, and technology transfer to our clinical and commercial manufacturing sites and external facilities. Given the dynamic team environment and fast-paced project timelines, strong interpersonal and communication skills are essential. This laboratory-based position offers the opportunity for cross-training and developing new technologies.

How You Will Achieve

In this role, you will:

Applies technical and functional engineering knowledge to develop safe, sustainable, robust, scalable, cost-efficient and phase-appropriate process that are aligned with internal business needs.
Prepare internal research reports and technical presentations summarizing process development activities to capture process knowledge and transfer process understanding to Pfizer's manufacturing partners.
Lead and/or support purification and isolation process development for internal pre-clinical materials supply.
Design, implement, and interpret data rich experiments independently.
Design experiments to assess scalability of manufacturing processes to ensure successful tech transfer.
Understand unit operation design, process modeling and optimization, process equipment selection, and scale-up methodologies.
Utilize various process modeling approaches to ensure robust tech transfer to pilot and commercial scale facilities.
Assist technology transfer of processes to internal or external clinical and commercial manufacturing sites and external partners. May spend time at tech transfer site supporting manufacturing activities.
Collaborate with process chemists and analytical chemists on synthetic strategy and route development.
Develop and implement new technologies for process improvement at external manufacturing partners
Maintains suitable knowledge on lab data management systems and applies suitable modeling tools to gain process knowledge from data rich experiments
Remain current with the process engineering and chemistry literature. May collaborate on and author external publications and present research at external conferences.
Build a safe, inclusive, and innovative culture within the engineering and chemistry labs.
Work collaboratively and effectively, building and leading high performing teams
Ensure accurate and timely documentation of experimental work, and clear and concise presentation of work to stakeholders both internally and externally.
Look for opportunities to align, share and implement best practices across sites.

Qualifications

Must-Have

Applicant must have a bachelor's degree with at least 9+ years of experience; OR a master's degree with more than 7+ years of experience; OR PhD with 0+ years of relevant experience.
Candidates with additional years of work experience will be considered for an appropriate level for their background
Expertise in reaction engineering, including experience developing and validating kinetic models from experimental data
Excellent knowledge of chemistry and chemical engineering principles and sound understanding of chemical reactor design, thermodynamics, transport phenomena, engineering statistics, and process modeling
Outstanding laboratory skills, attention to detail, and ability to solve technical problems
Exceptional interpersonal, multi-disciplinary team collaboration, and communication skills

Nice-to-Have

Experience with technical transfer of processes into external manufacturing partners
Experience using Process Analytical Technologies (PAT) such as Raman, FTIR, NIR, on-line HPLC, and FBRM
Experience with separation processes such as Tangential Flow Filtration (TFF), membrane separation, chromatography purification, or Supercritical Fluid Precipitation/Extraction
A good foundational understanding of organic chemistry
Experience building reaction or unit operation models with software such as DynoChem®, Reaction LabTM, ASPEN, gPROMS, VisiMix,, COSMOtherm, and MatLab
Knowledge and experience applying Design of Experiments
Strong organization, time management, and problem-solving skills
A team player with good communication skills, desire to achieve team and individual goals
Strong technical writing and presentation skills
Working knowledge of analytical techniques such as HPLC/UPLC, MS, PXRD, DSC, TGA, and NMR
Applied data science methods, such as machine learning and AI

NON-STANDARD WORK SCHEDULE, TRAVEL OR ENVIRONMENT REQUIREMENTS

Due to the need to support global operations, the employee may be required to attend teleconference meetings that are outside of core work hours in Pacific Time.
Local business travel to support vendor oversight activities < 10%. of work time.

Relocation support available

Work Location Assignment: On Premise

The annual base salary for this position ranges from $93,600.00 to $156,000.00. In addition, this position is eligible for participation in Pfizer's Global Performance Plan with a bonus target of 12.5% of the base salary and eligibility to participate in our share based long term incentive program. We offer comprehensive and generous benefits and programs to help our colleagues lead healthy lives and to support each of life's moments. Benefits offered include a 401(k) plan with Pfizer Matching Contributions and an additional Pfizer Retirement Savings Contribution, paid vacation, holiday and personal days, paid caregiver/parental and medical leave, and health benefits to include medical, prescription drug, dental and vision coverage. Learn more at Pfizer Candidate Site - U.S. Benefits | (uscandidates.mypfizerbenefits.com). Pfizer compensation structures and benefit packages are aligned based on the location of hire. The United States salary range provided does not apply to Tampa, FL or any location outside of the United States.

Relocation assistance may be available based on business needs and/or eligibility.

Candidates must be authorized to be employed in the U.S. by any employer.

U.S. work visa sponsorship (such as TN, O-1, H-1B, etc.) is not available for this role now or in the future.

Sunshine Act

Pfizer reports payments and other transfers of value to health care providers as required by federal and state transparency laws and implementing regulations. These laws and regulations require Pfizer to provide government agencies with information such as a health care provider's name, address and the type of payments or other value received, generally for public disclosure. Subject to further legal review and statutory or regulatory clarification, which Pfizer intends to pursue, reimbursement of recruiting expenses for licensed physicians may constitute a reportable transfer of value under the federal transparency law commonly known as the Sunshine Act. Therefore, if you are a licensed physician who incurs recruiting expenses as a result of interviewing with Pfizer that we pay or reimburse, your name, address and the amount of payments made currently will be reported to the government. If you have questions regarding this matter, please do not hesitate to contact your Talent Acquisition representative.

EEO & Employment Eligibility

Pfizer is committed to equal opportunity in the terms and conditions of employment for all employees and job applicants without regard to race, color, religion, sex, sexual orientation, age, gender identity or gender expression, national origin, disability or veteran status. Pfizer also complies with all applicable national, state and local laws governing nondiscrimination in employment as well as work authorization and employment eligibility verification requirements of the Immigration and Nationality Act and IRCA. Pfizer is an E-Verify employer. This position requires permanent work authorization in the United States.

Pfizer endeavors to make www.pfizer.com/careers accessible to all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process and/or interviewing, please email disabilityrecruitment@pfizer.com. This is to be used solely for accommodation requests with respect to the accessibility of our website, online application process and/or interviewing. Requests for any other reason will not be returned.

To learn more about acceptable and prohibited uses of AI during the recruitment process, please review our candidate AI-use guidelines available on Pfizer Careers.

Research and Development

About employer

More about this job

Skills

Clinical trials
Chemical engineering
Statistics
Research
Presentation skills
Manage quantitative data
Manufacturing processes
Process improvement
Data management
Process engineering
Documentation
Attention to detail
Solve technical problems
Collaboration
Communication skills
Organic chemistry
ASPEN
Time management
Problem solving
Technical writing
Machine learning

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