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Sr Scientist Ii Jobs (NOW HIRING)

Senior Scientist II

Bristol, PA · On-site

$99K - $120K/yr

Senior Scientist II has a key role in the PhysChem team supporting Performance & Care Techno Programs, Corporate R&I Platforms, market lab roadmap/VCP projects, defining and advising mode of action ...

$145 - $180/hr

Scientist II or Senior Scientist,MedicinalChemistry Reports To: Mark Vander Wal,Director of Medicinal Chemistry Employment Type: Full-Time, Exempt About Unnatural Products Unnatural Products (UNP) is ...

Sr. Scientist II

Orangeburg, NY · On-site

$130K - $150K/yr

Job Title: Sr. Scientist II Location: Orangeburg NY Type: Direct Hire Compensation: $130,000.00 - $150,000.00 Work Model: Onsite - Monday thru Friday 8-5 Education: * PhD with 2 years of industry ...

Sr. Scientist II

Orangeburg, NY · On-site

$130K - $150K/yr

Job Title: Sr. Scientist II Location: Orangeburg NY Type: Direct Hire Compensation: $130,000.00 - $150,000.00 Work Model: Onsite - Monday thru Friday 8-5 Education: * PhD with 2 years of industry ...

Sr. Scientist II

Orangeburg, NY · On-site

$130K - $150K/yr

Job Title: Sr. Scientist II Location: Orangeburg NY Type: Direct Hire Compensation: $130,000.00 - $150,000.00 Work Model: Onsite - Monday thru Friday 8-5 Education: * PhD with 2 years of industry ...

Sr. Scientist II

Orangeburg, NY · On-site

$130K - $150K/yr

Job Title: Sr. Scientist II Location: Orangeburg NY Type: Direct Hire Compensation: $130,000.00 - $150,000.00 Work Model: Onsite - Monday thru Friday 8-5 Education: * PhD with 2 years of industry ...

Sr. Scientist II

Orangeburg, NY · On-site

$130K - $150K/yr

Job Title: Sr. Scientist II Location: Orangeburg NY Type: Direct Hire Compensation: $130,000.00 - $150,000.00 Work Model: Onsite - Monday thru Friday 8-5 Education: * PhD with 2 years of industry ...

Sr. Scientist II

Orangeburg, NY · On-site

$130K - $150K/yr

Job Title: Sr. Scientist II Location: Orangeburg NY Type: Direct Hire Compensation: $130,000.00 - $150,000.00 Work Model: Onsite - Monday thru Friday 8-5 Education: * PhD with 2 years of industry ...

Sr. Scientist II

Orangeburg, NY · On-site

$130K - $150K/yr

Job Title: Sr. Scientist II Location: Orangeburg NY Type: Direct Hire Compensation: $130,000.00 - $150,000.00 Work Model: Onsite - Monday thru Friday 8-5 Education: * PhD with 2 years of industry ...

Sr. Scientist II

Orangeburg, NY · On-site

$130K - $150K/yr

Job Title: Sr. Scientist II Location: Orangeburg NY Type: Direct Hire Compensation: $130,000.00 - $150,000.00 Work Model: Onsite - Monday thru Friday 8-5 Education: * PhD with 2 years of industry ...

Sr. Scientist II

Orangeburg, NY · On-site

$130K - $150K/yr

Job Title: Sr. Scientist II Location: Orangeburg NY Type: Direct Hire Compensation: $130,000.00 - $150,000.00 Work Model: Onsite - Monday thru Friday 8-5 Education: * PhD with 2 years of industry ...

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Sr Scientist Ii information

See salary details

$66.5K

$110.5K

$164.5K

How much do sr scientist ii jobs pay per year?

As of Sep 1, 2026, the average yearly pay for sr scientist ii in the United States is $110,545.00, according to ZipRecruiter salary data. Most workers in this role earn between $91,500.00 and $125,000.00 per year, depending on experience, location, and employer.

What is a Sr Scientist II?

A Sr Scientist II is an advanced-level research professional, typically found in industries such as pharmaceuticals, biotechnology, or chemical engineering. They lead scientific projects, design and execute experiments, analyze data, and often oversee junior scientists or technical staff. Sr Scientist II positions require significant experience and expertise in their field, as well as strong problem-solving and communication skills. These professionals contribute to innovation, product development, and ensure adherence to regulatory and safety standards.

How does a Sr Scientist II typically collaborate within cross-functional teams to drive research projects forward?

As a Sr Scientist II, you will frequently work alongside colleagues from diverse departments such as regulatory affairs, clinical development, and product management. Your role often involves leading scientific discussions, sharing data, and integrating feedback from multiple stakeholders to ensure projects meet both scientific and business objectives. Effective collaboration and communication skills are essential, as you may also mentor junior scientists and contribute to strategic decision-making. This collaborative environment fosters innovation and ensures that research initiatives align with organizational goals.

What are the key skills and qualifications needed to thrive as a Sr Scientist II, and why are they important?

To thrive as a Sr Scientist II, you need an advanced degree (often a PhD) in a relevant scientific field, deep expertise in experimental design, and a proven research track record. Familiarity with specialized laboratory instruments, data analysis software, and regulatory compliance systems is typically required. Strong problem-solving, leadership, and communication skills distinguish top performers in this role. These competencies ensure the scientist can drive innovative research, mentor junior staff, and contribute effectively to organizational goals.

What is the difference between Sr Scientist Ii vs Scientist I?

CriteriaSr Scientist IIScientist I
Required CredentialsBachelor's or Master's degree, 3-5 years experience, specialized skillsBachelor's or Master's degree, 0-2 years experience, entry-level skills
Work EnvironmentResearch labs, industry settings, collaborative projectsResearch labs, industry settings, supervised tasks
Employer & Industry UsagePharmaceutical, biotech, or research companiesSimilar industries, often entry-level roles
Common Search & Comparison IntentYesYes

The main difference between a Sr Scientist II and a Scientist I lies in experience, responsibilities, and skill level. Sr Scientist II roles typically require more experience and involve leading projects or mentoring junior staff, whereas Scientist I positions are more entry-level with a focus on executing research tasks under supervision.

More about Sr Scientist Ii jobs

What cities are hiring for Sr Scientist Ii jobs?

Cities with the most Sr Scientist Ii job openings:

What states have the most Sr Scientist Ii jobs?

States with the most job openings for Sr Scientist Ii jobs include:

Infographic showing various Sr Scientist Ii job openings in the United States as of August 2026, with employment types broken down into 94% Full Time, 3% Part Time, and 3% Contract. Highlights an 83% Physical, 6% Hybrid, and 11% Remote job distribution, with an average salary of $110,545 per year, or $53.1 per hour.

Senior Scientist II

Bristol, PA • On-site


Syensqo

8.6

Company rating: 8.6 out of 10

Based on 25 frontline employees who took The Breakroom Quiz

17th of 101 rated chemical manufacturers

People enjoy working here

Good employer

Paid breaks


$99K - $120K/yr

Full-time

This job post has expired 1 day ago. Applications are no longer accepted.


Job description

Syensqo is all about chemistry. We're not just referring to chemical reactions here, but also to the magic that occurs when the brightest minds get to work together. This is where our true strength lies. In you. In your future colleagues and in all your differences. And of course, in your ideas to improve lives while preserving our planet's beauty for the generations to come.

We are looking for:

Senior Scientist II has a key role in the PhysChem team supporting Performance & Care Techno Programs, Corporate R&I Platforms, market lab roadmap/VCP projects, defining and advising mode of action for key technologies, and subsequent customer support and manufacturing developments. To define and carry out projects & experimental programs to ensure the transfer of project results to internal and external customers, to enable the Company to grow the business and enhance its industry leadership position.

We count on you for:

  • Follow and adhere to Company safety policies and procedures for the site and the lab.

  • Execute research projects and  respond to customer/stakeholder needs.

  • Prepare and handle samples, reagents and laboratory materials.

  • Maintain cleanliness and organization of the lab, including proper disposal of waste

  • Record and analyze data accurately, maintain detailed and up-to-date lab records in ELN following Syensqo policies. Staff Scientist would have full appropriation of ability to acquire and analyze research data within their own domain of expertise and process them in a way useful for the research hypotheses or goals.

  • Define technical scope and targets for the different projects and independently translate them into an optimal set of R&D experiments.

  • Technology transfers to business/market labs and other stakeholders.

  • Advice and support to external and/or internal customers.

  • Technical reports, presentations and oral communication to the stakeholders

  • Technical IP support and patents.

  • The Senior Scientist II contributes to the mission of the Phys Chem Cell to decipher the relationship between molecular architecture and application properties of polymers and surfactants, including characterization of their interactions and self assemblies, to guide new product development with established and emerging chemistries. 

  • The Scientist will help develop and contribute to the core competency of Rheology of viscoelastic systems at the center, including but not limited to  sustainable biobased/biodegradable polymers in solution such as novel hydrogels.

  • The Senior Scientist II will characterize polymer/surfactant solution structure and rheology relationships and develop computational models to describe the rheological behavior.

  • The Senior Scientist would develop a mechanistic understanding to fine tune the chemical structures and/or to direct formulation and position new chemicals in the targeted application fields.

  • Exchange information with others in an oral and written way, to adapt the communication to specific audiences, and to use appropriate tools and means.

  • Mentor, manage or supervise other junior researchers, team members, scientists or student interns or temporary employees. The ability to work in cross-functional teams is important.

You will bring:

  • Ph.D. with 0-5+ yrs of experience.

  • Demonstrated background, in-depth knowledge and experience specialized in rheology of complex fluids along with at least one of the key domains of the Group: physical chemistry of soft matter and formulation science, physics, chemistry, polymers/materials science and technology, chemical engineering, analytical sciences & characterization or a related multidisciplinary field.

  • Additional experience in computational modeling of rheology of fluids and data-science to further the understanding of complex systems would be preferred.

  • Multiple publications in peer reviewed journals and/or patents in the above fields

  • Ability to autonomously contribute to a project as a team member or leader, in a successful and effective way, making optimal use of available resources and applicable concepts, methods and tools.

  • Expert knowledge of experimental tools, models and techniques in at least one of the key domains.

  • Experience in advanced characterization techniques such as SAXS/WAXS/Diffraction, scattering DLS/ SLS, SANS and microscopy would be preferred. 

  • Track record of supervising or mentoring other research team members, scientists or students.

  • Physical abilities.

You will get:

  • Competitive salary and benefits package
  • The U.S. base salary range reasonably expected to be paid for this position is $99,000 to $120,000 per year. Since actual compensation packages are based on a variety of factors unique to each candidate we may ultimately pay more or less than the posted base salary range. Total compensation for this role also includes bonus and/or other incentives.
  • 16, or more weeks, of maternity/paternity and co-parenting leave, according to local regulations
  • Training platform for all employees
  • Free well-being sessions (physical and psychological)

.

Additional information:

  • Must be able to stand or sit for extended periods while performing laboratory procedures/tasks.

  • Lifting and carrying materials up to 50 lbs may be required.

  • Labwork may require use of specialized PPE (such as respirators) for safe handling of chemicals, biologicals or pesticides.

About us

  • Syensqo is a science company developing groundbreaking solutions that enhance the way we live, work, travel and play. Inspired by the scientific councils which Ernest Solvay initiated in 1911, we bring great minds together to push the limits of science and innovation for the benefit of our customers, with a diverse, global team of more than 13,000 associates. Our solutions contribute to safer, cleaner, and more sustainable products found in homes, food and consumer goods, planes, cars, batteries, smart devices and health care applications. Our innovation power enables us to deliver on the ambition of a circular economy and explore breakthrough technologies that advance humanity.
  • At Syensqo, we seek to promote unity and not uniformity. We value the diversity that individuals bring and we invite you to consider a future with us, regardless of background, age, gender, national origin, ethnicity, religion, sexual orientation, ability or identity. We encourage individuals who may require any assistance or accommodations to let us know to ensure a seamless application experience. We are here to support you throughout the application journey and want to ensure all candidates are treated equally. If you are unsure whether you meet all the criteria or qualifications listed in the job description, we still encourage you to apply.
  • Syensqo is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other legally protected characteristics.


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