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Senior Process Scientist Jobs in Seattle, WA (NOW HIRING)

Scientific Injection Molding, Master Molder, or injection molding educational certificate, required * 5+ years of experience as a Process Technician (molder), required * 5+ years of experience ...

Sr. Process Integration Engineer

Seattle, WA · On-site

$113K - $160K/yr

Applied knowledge of material science and device physics as relates to semiconductor failure mechanisms and process development * Hands-on experience conducting failure analysis using SEM, TEM, FIB ...

You'll work with engineers, scientists, and technicians across the company, with a focus on scaling ... Use process simulation tools to support design development, integration, and case studies * Produce ...

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Senior Process Scientist information

See Seattle, WA salary details

$75.7K

$125.8K

$187.2K

How much do senior process scientist jobs pay per year?

As of Aug 25, 2026, the average yearly pay for senior process scientist in Seattle, WA is $125,803.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,100.00 and $142,300.00 per year, depending on experience, location, and employer.

What is a senior process scientist?

Senior Process Scientists are experienced professionals who oversee and optimize manufacturing or laboratory processes, particularly in industries like pharmaceuticals, biotechnology, or chemical engineering. They are responsible for designing, analyzing, and improving processes to ensure efficiency, quality, and compliance with regulatory standards. Senior Process Scientists often lead teams, develop protocols, troubleshoot issues, and work closely with cross-functional departments to implement new technologies or scale up production. Their expertise helps ensure products are consistently produced at the highest quality and safety levels.

What are the key skills and qualifications needed to thrive as a senior process scientist?

To thrive as a Senior Process Scientist, you need a strong background in chemical engineering, biotechnology, or a related field, typically with an advanced degree and extensive industry experience. Familiarity with process development tools, statistical analysis software (such as JMP or Minitab), and regulatory compliance systems (like GMP) is essential. Exceptional problem-solving, project management, and communication skills help you lead cross-functional teams and drive process improvements. These capabilities are vital for optimizing manufacturing processes, ensuring product quality, and maintaining regulatory standards in a competitive environment.

What are some common challenges faced by senior process scientists when scaling up laboratory processes to full-scale manufacturing?

Senior Process Scientists often encounter challenges such as maintaining product quality and consistency, ensuring process robustness, and adapting protocols to comply with large-scale manufacturing equipment and regulatory standards. Collaboration with cross-functional teams—including engineering, quality assurance, and production—is essential to troubleshoot issues and optimize processes. Effective communication and problem-solving skills are crucial, as unexpected variables can arise during scale-up that require innovative solutions while adhering to timelines and safety guidelines.
Infographic showing various Senior Process Scientist job openings in Seattle, WA as of August 2026, with employment types broken down into 1% As Needed, 79% Full Time, 15% Part Time, 4% Contract, and 1% Nights. Highlights an 89% Physical, 2% Hybrid, and 9% Remote job distribution, with an average salary of $125,803 per year, or $60.5 per hour.

Senior Process Engineer

Tacoma, WA

$45 - $55/hr

Full-time

Re-posted 23 days ago


Job description

POSITION SUMMARY 

This position’s responsibility is for optimization, creation, and monitoring of internal processes that directly affect workflow, scrap, on-time deliveries, and part cost. Injection Molding process development, maintenance, and Tooling Design. Implementation and execution of LEAN manufacturing principles.

ELEMENTS RELATED TO THE FUNCTION

•    Position Type: Non-Exempt 
•    Location: Demgy Pacific, LLC, Tacoma WA
 

PHYSICAL REQUIREMENTS 

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. 

While performing the duties of this job, the employee regularly is required to stand for 8 to 10 hours; walk; sit; use hands to finger, handle, or feel objects, tools or controls; reach with hands and arms; balance; stoop; talk and hear. The employee will occasionally lift and/or move up to 50 pounds. Specific vision abilities required by the job include able to see with 20/20 vision to assess cosmetic requirements; close vision, peripheral vision, depth perception, and the ability to adjust focus. 

APPLICABLE METRICS

•    Adhere to the Demgy Pacific attendance point system
•    Adhere to the Demgy Pacific job variance to standard metric
•    Adhere to the Demgy Pacific Safety protocols.

JOB RESPONSIBILITIES

•    Operation of injection molding machine. Up to and including: Basic operation, setup/teardown, productions starts/stops, and purging
•    Operation of all the auxiliary required on the production floor. Including: Mold heaters, Dryers, DME Hot Runner
•    Controls, Vacuum Verification units, Core Mules, and Automation (pickers, robots, conveyors, and chutes).
•    Process development (new projects) on Injection Molding machines
•    Process revision (existing projects) in Injection Molding machines
•    Development and maintenance of controlled documents, processes, and procedures pertaining to the Molding Department
•    Interface with customers and suppliers on behalf of the company
•    Interface with other departments, internally, as a “subject matter expert” with regards to Injection Molding
•    Facilitate D.O.E. windows studies. Identification of key processing factors that would affect either cosmetic, dimensional, structural stability of a part
•    Advise in the purchase of new equipment and consumables, and their effects (ROI) in the Molding department.
•    Take on “5S Lean” tasks and projects
•    Accurate interpretation of engineering (prints) on both molding equipment and production parts
•    Advise in the design and construction on new tooling/fixtures. Proactively identifying project specific KPI’s that will affect scrap potential, part cost and labor
•    Identify Injection Molding reject conditions and how to correct them
•    Operate a forklift
•    Generate work orders (MRO’s) for mold or equipment repair and/or modification
•    Inventory disposition
•    Correspond with the scheduling with regards to tooling trials for T0, T1, and production sampling. Existing and new projects
•    Record time spent on tasks accurately
•    Coordinate and facilitate basic and advanced training needs on the Molding floor; as it pertains to new equipment and injection molding process
•    Use a variety of hand tools in an appropriate and safe manner
•    Maintain a clean working space
•    Perform tasks with minimal supervision and in a safe manner, including the use of PPE when necessary

EMPLOYEE RESPONSIBILITIES  

•    Uphold and comply with Demgy’s Code of Ethics and Conduct      
•    Follow safety policies
•    Contribute to the success of the company’s environmental, health & safety program
•    Maintain a positive working relationship with co-workers in all departments
•    Maintain accurate documentation as required, following DEMGY Pacific’s document and record control procedures as applicable to the position
•    Ensure that housekeeping within the department is properly maintained
•    Follow Demgy 5S program (workstation organization/locations maintained)  
•    Follow policies outlined in the Employee Handbook
•    Perform other duties as directed by the supervisor
 

JOB SKILL REQUIREMENTS

  • Proficiency in the company ERP system (IQMS) as it pertains to the Process Engineer
  • Able to perform the responsibilities of the Setup Technician, in the event of a staffing shortage
  • Able to perform the responsibilities of the Process Technician, in the event of a staffing shortage
  • Effective communication:
    • Able to read, speak. and write English
    • Able to keep accurate quantity records
    • Able to perform basic math (addition, subtraction, multiplication, and division)
  • Know material properties and how to apply them
  • Operation of function of individual mold components and as a system
  • Mechanical skills
  • Basic computer skills
  • Team oriented
  • Efficient and action driven
  • Motivated self-starter
  • Dependable with reliable attendance

MINIMUM EDUCATION AND QUALIFICATIONS

  • Scientific Injection Molding, Master Molder, or injection molding educational certificate, required
  • 5+ years of experience as a Process Technician (molder), required
  • 5+ years of experience processing Engineered Resins, required
  • Experience in aerospace manufacturing organization, preferred