The Principal Consultant - Toxicology is a senior team member within the Technical Consulting Team. The Principal Consultant is responsible for the scientific direction of the program on the Team for ...
The Principal Consultant - Toxicology is a senior team member within the Technical Consulting Team. The Principal Consultant is responsible for the scientific direction of the program on the Team for ...
Principal Scientist, Toxicology
$165K - $185K/yr
The Principal Scientist, Toxicology is responsible for the design and oversight of nonclinical safety studies of development candidates. The Principal Scientist works independently to plan, execute ...
Principal Scientist, Toxicology
$165K - $185K/yr
The Principal Scientist, Toxicology is responsible for the design and oversight of nonclinical safety studies of development candidates. The Principal Scientist works independently to plan, execute ...
The Principal Consultant - Toxicology is a senior team member within the Technical Consulting Team. The Principal Consultant is responsible for the scientific direction of the program on the Team for ...
The Principal Consultant - Toxicology is a senior team member within the Technical Consulting Team. The Principal Consultant is responsible for the scientific direction of the program on the Team for ...
Principal Scientist, Toxicology
Bridgewater, NJ · On-site
$165K - $185K/yr
The Principal Scientist, Toxicology is responsible for the design and oversight of nonclinical safety studies of development candidates. The Principal Scientist works independently to plan, execute ...
Principal Scientist, Toxicology
Bridgewater, NJ · On-site
$165K - $185K/yr
The Principal Scientist, Toxicology is responsible for the design and oversight of nonclinical safety studies of development candidates. The Principal Scientist works independently to plan, execute ...
Learn more at We are searching for the best talent for a Principal Scientist, Toxicology in Spring House, PA. Purpose: This Principal Scientist in Nonclinical Safety and Submissions, a department in ...
New
Learn more at We are searching for the best talent for a Principal Scientist, Toxicology in Spring House, PA. Purpose: This Principal Scientist in Nonclinical Safety and Submissions, a department in ...
New
Learn more at We are searching for the best talent for a Principal Scientist, Toxicology in Spring House, PA. Purpose: This Principal Scientist in Nonclinical Safety and Submissions, a department in ...
New
Learn more at We are searching for the best talent for a Principal Scientist, Toxicology in Spring House, PA. Purpose: This Principal Scientist in Nonclinical Safety and Submissions, a department in ...
New
Principal/Sr. Principal Scientist - Development
South San Francisco, CA · On-site
$141.50 - $321.49/hr
We are seeking a Principal/Sr Principal Scientist in Toxicology to support drug development. This role will involve working in a collaborative team environment as part of the comprehensive safety ...
Principal/Sr. Principal Scientist - Development
South San Francisco, CA · On-site
$141.50 - $321.49/hr
We are seeking a Principal/Sr Principal Scientist in Toxicology to support drug development. This role will involve working in a collaborative team environment as part of the comprehensive safety ...
We are seeking a Principal/Sr Principal Scientist in Toxicology to support drug development. This role will involve working in a collaborative team environment as part of the comprehensive safety ...
We are seeking a Principal/Sr Principal Scientist in Toxicology to support drug development. This role will involve working in a collaborative team environment as part of the comprehensive safety ...
Principal/Sr. Principal Scientist - Development
South San Francisco, CA · On-site
$171K - $321K/yr
We are seeking a Principal/Sr Principal Scientist in Toxicology to support drug development. This role will involve working in a collaborative team environment as part of the comprehensive safety ...
Principal/Sr. Principal Scientist - Development
South San Francisco, CA · On-site
$171K - $321K/yr
We are seeking a Principal/Sr Principal Scientist in Toxicology to support drug development. This role will involve working in a collaborative team environment as part of the comprehensive safety ...
$125K - $130K/yr
Principal Scientist / Study Director (Toxicology) Build Programs. Lead Science. Influence Outcomes. Why This Role Matters Here, toxicology isn't just about executing studies--it's about shaping how ...
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$125K - $130K/yr
Principal Scientist / Study Director (Toxicology) Build Programs. Lead Science. Influence Outcomes. Why This Role Matters Here, toxicology isn't just about executing studies--it's about shaping how ...
Company Description Medical / Health - Pharmacy This position will provide Preclinical Safety a wide range of support associated with Toxicology and Safety Pharmacology needs on Discovery and ...
Company Description Medical / Health - Pharmacy This position will provide Preclinical Safety a wide range of support associated with Toxicology and Safety Pharmacology needs on Discovery and ...
$140 - $269/hr
Senior Principal/ Principal Scientist, Computational Safety Description We are seeking a Senior ... This role will leverage advanced multi omics data, systems toxicology and AI/ML approaches to ...
$140 - $269/hr
Senior Principal/ Principal Scientist, Computational Safety Description We are seeking a Senior ... This role will leverage advanced multi omics data, systems toxicology and AI/ML approaches to ...
Senior Principal/ Principal Scientist, Computational Safety
Ridgefield, CT · On-site
$140 - $269/hr
Senior Principal/ Principal Scientist, Computational Safety Description We are seeking a Senior ... This role will leverage advanced multi omics data, systems toxicology and AI/ML approaches to ...
Senior Principal/ Principal Scientist, Computational Safety
Ridgefield, CT · On-site
$140 - $269/hr
Senior Principal/ Principal Scientist, Computational Safety Description We are seeking a Senior ... This role will leverage advanced multi omics data, systems toxicology and AI/ML approaches to ...
In-Vitro Toxicologist
$76K - $86K/yr
Precise Systems seeks a In-Situ Toxicologist to support our U.S. Army customer in Edgewood ... Interacts as part of an interdisciplinary team of technical staff, and principal investigators.
In-Vitro Toxicologist
$76K - $86K/yr
Precise Systems seeks a In-Situ Toxicologist to support our U.S. Army customer in Edgewood ... Interacts as part of an interdisciplinary team of technical staff, and principal investigators.
In-Vitro Toxicologist
Aberdeen, MD · On-site
$76K - $86K/yr
Precise Systems seeks a In-Situ Toxicologist to support our U.S. Army customer in Edgewood ... Interacts as part of an interdisciplinary team of technical staff, and principal investigators.
In-Vitro Toxicologist
Aberdeen, MD · On-site
$76K - $86K/yr
Precise Systems seeks a In-Situ Toxicologist to support our U.S. Army customer in Edgewood ... Interacts as part of an interdisciplinary team of technical staff, and principal investigators.
In-Vitro Toxicologist with Security Clearance
Aberdeen Proving Ground, MD · On-site
$76K - $86K/yr
Precise Systems seeks a In-Situ Toxicologist to support our U.S. Army customer in Edgewood ... Interacts as part of an interdisciplinary team of technical staff, and principal investigators.
In-Vitro Toxicologist with Security Clearance
Aberdeen Proving Ground, MD · On-site
$76K - $86K/yr
Precise Systems seeks a In-Situ Toxicologist to support our U.S. Army customer in Edgewood ... Interacts as part of an interdisciplinary team of technical staff, and principal investigators.
Senior Principal Scientist
Thousand Oaks, CA · On-site
$180 - $240/hr
Senior Principal Scientist What you will do Let's do this. Let's change the world ... We are seeking an experienced toxicologist in the Product Stewardship group within our Environment ...
Senior Principal Scientist
Thousand Oaks, CA · On-site
$180 - $240/hr
Senior Principal Scientist What you will do Let's do this. Let's change the world ... We are seeking an experienced toxicologist in the Product Stewardship group within our Environment ...
Principal Scientist I/II, Study Quality and Compliance - Nonclinical Safety/Toxicology
Cambridge, MA · On-site
$119.70 - $234/hr
Location Cambridge MA Title Principal Scientist I/IIL#-Hybrid The individual will provide scientific and operational support to the Study Quality and Compliance group within the Toxicology line ...
Principal Scientist I/II, Study Quality and Compliance - Nonclinical Safety/Toxicology
Cambridge, MA · On-site
$119.70 - $234/hr
Location Cambridge MA Title Principal Scientist I/IIL#-Hybrid The individual will provide scientific and operational support to the Study Quality and Compliance group within the Toxicology line ...
Principal Scientist I/II, Study Quality and Compliance - Nonclinical Safety/Toxicology
Cambridge, MA · Hybrid
$126K - $234K/yr
Principal Scientist I/II LI#-Hybrid The individual will provide scientific and operational support to Study Quality and Compliance group within the Toxicology line function of Preclinical Safety (PCS)
Principal Scientist I/II, Study Quality and Compliance - Nonclinical Safety/Toxicology
Cambridge, MA · Hybrid
$126K - $234K/yr
Principal Scientist I/II LI#-Hybrid The individual will provide scientific and operational support to Study Quality and Compliance group within the Toxicology line function of Preclinical Safety (PCS)
Senior Principal Scientist
Thousand Oaks, CA · On-site +1
Senior Principal Scientist What you will do Let's do this. Let's change the world ... We are seeking an experienced toxicologist in the Product Stewardship group within our Environment ...
Senior Principal Scientist
Thousand Oaks, CA · On-site +1
Senior Principal Scientist What you will do Let's do this. Let's change the world ... We are seeking an experienced toxicologist in the Product Stewardship group within our Environment ...
Principal Toxicologist information
See salary details
$36.5K - $49.7K
1% of jobs
$49.7K - $63K
4% of jobs
$63K - $76.2K
8% of jobs
$85.1K is the 25th percentile. Wages below this are outliers.
$76.2K - $89.4K
17% of jobs
$89.4K - $102.6K
19% of jobs
The median wage is $103K / yr.
$102.6K - $115.9K
18% of jobs
$122.7K is the 75th percentile. Wages above this are outliers.
$115.9K - $129.1K
15% of jobs
$129.1K - $142.3K
7% of jobs
$142.3K - $155.5K
5% of jobs
$155.5K - $168.8K
3% of jobs
$168.8K - $182K
2% of jobs
$36.5K
$109.4K
$182K
How much do principal toxicologist jobs pay per year?
What is a principal toxicologist?
A Principal Toxicologist is a senior-level expert who evaluates the safety and potential risks of chemicals, pharmaceuticals, or consumer products on human health and the environment. They design and oversee toxicological studies, interpret data, and ensure regulatory compliance with agencies like the FDA, EPA, or OSHA. Their role often includes guiding risk assessments, advising on product development, and mentoring junior toxicologists.
What are the typical responsibilities of a principal toxicologist?
As a Principal Toxicologist, your day-to-day responsibilities often include designing and overseeing toxicological studies, interpreting complex data, and preparing reports for regulatory submissions. You will frequently interact with multidisciplinary teams such as regulatory affairs, product development, and quality assurance to provide expert guidance on safety and compliance. In many organizations, you may also mentor junior scientists, review study protocols, and stay updated on evolving guidelines and scientific literature. This multi-faceted role offers a balance of hands-on scientific work, leadership, and cross-departmental collaboration.
What are the key skills and qualifications needed to thrive as a principal toxicologist?
A Principal Toxicologist requires advanced expertise in toxicology, pharmacology, and risk assessment, usually supported by a Ph.D. or equivalent experience in a relevant scientific field. Familiarity with regulatory guidelines (such as EPA, FDA, or REACH), laboratory information management systems (LIMS), and data analysis software is essential, as is certification through organizations like DABT when applicable. Strong leadership, strategic thinking, and effective communication skills help drive project teams and provide clear guidance to cross-functional stakeholders. These competencies ensure the Principal Toxicologist can lead complex studies, maintain regulatory compliance, and inform critical decision-making processes.
What are the most commonly searched types of Principal Toxicologist jobs?
The most popular types of Principal Toxicologist jobs are:
What states have the most Principal Toxicologist jobs?
States with the most job openings for Principal Toxicologist jobs include:
What job categories do people searching Principal Toxicologist jobs look for?
The top searched job categories for Principal Toxicologist jobs are:

Job description
Sotera Health Company is a leading global provider of mission-critical sterilization and lab testing and advisory services for the healthcare industry. With a combined tenure across our businesses of nearly 200 years and our industry recognized scientific and technological expertise, we help to ensure the safety of millions of patients and healthcare practitioners around the world every year.
Across our 64 facilities worldwide, we have over 3,000 employees who are dedicated to safety and quality. We are a trusted partner to more than 5,800 customers in over 50 countries, including more than 40 of the top 50 medical device companies and 9 of the top 10 pharmaceutical companies.
Job Summary:
The Principal Consultant - Toxicology is a senior team member within the Technical Consulting Team. The Principal Consultant is responsible for the scientific direction of the program on the Team for Toxicology; as a member of the Technical Consulting Team, they will guide the direction of the written assessments within their discipline. This will include staying updated on the latest standards, industry and regulatory direction, and science of their discipline. The Principal Consultant will also present on topic of expertise at seminars, trade shows, and technical gatherings. This individual will also participate in generating written information related to their specific science of discipline (e.g., risk assessments, technical protocols, etc.) the Principal Consultant will also mentor colleagues and provide valuable training to support new hires and growth of experts.
Essential Duties:
Consulting
• Active participation on AAMI and/or ISO working groups
• Drive scientific direction for the Technical Consulting team in toxicology
• Serve as a mentor
• Provide team training
• Present on biocompatibility at trade shows, seminars, and technical gatherings
• Provide onsite or virtual training to clients
• Join calls as expert to support initial client discussions
• Work cross-functionally with other departments on projects where collaboration is needed
• Communicate with the client to obtain additional information for projects or related testing
• Perform literature research on materials and compounds
• Build and implement process improvements
• Know and follow the Nelson service standard
• Review and write assessments and other related documents as needed (i.e. Opinion Memos for patient safety)
Regulatory Compliance
• Know and follow applicable regulatory requirements (GMP, GLP, ISO, etc.).
• Know and follow company policies and procedures.
• Complete required training on time.
Education and experience requirements:
• Master's degree in Toxicology (or related field) is a must
• Doctorate in Toxicology (or related field), postdoctoral fellowship in a toxicological related field highly preferred
• American Board of Toxicology Certification highly preferred
• 7+ years related work experience
• Strong background in Chemistry as well as Toxicology
Competencies of this position
• Directing thought process through team meetings
• Publishing articles
• Recognized in industry as a leader (invitations to speak)
• Good project management skills
• Owning projects with customers
• Taking on STAT projects
• Excellent communication skills
• Leading phone calls
• Act as SME on global regulatory calls/projects
• Supporting all regulatory response projects (either by leading or supporting)
• Able to handle ALL devices and projects (including combination, 18562, nanoparticles, etc.)
• Excellent technical writing skills and expertise
• Write regulatory responses with guidance
• Attention to detail
• Able to handle simple to moderately difficult assignments
• Time management - must be able to respond to voicemails, emails, and other
communications in a timely manner
• Able to multi-task and be self-motivated
• Mentoring and training junior team members
• Presenting in industry (outside of Nelson Seminars)
• Actively participating in ISO or AAMI WGs
• Knowledge Microsoft Office applications (Word, Excel, PowerPoint, Outlook, etc.)
Work Environment:
This job operates in a professional office and laboratory environment. This role routinely uses standard office equipment such as computers, keyboards, computer mouse, telephones, photocopiers, projectors and file cabinets.
Occasional travel during the business day. Some out-of-the area and overnight travel may be expected. May be required to attend domestic and international trade shows, seminars and conferences.
Physical requirements:
Must be able to stand/walk for 10% of the day and 90% of the day sitting at a desk or on the computer.
Must be able to attend trade shows, seminars, and conferences. Must be able to occasionally lift a maximum of 45lbs. May require modified work hours to cover travel and work in other time zones.
Sotera Health goes to market through its three best-in-class businesses - Sterigenics®, Nordion® and Nelson Labs®. Sterigenics is a leading global provider of outsourced terminal sterilization and irradiation services for the medical device, pharmaceutical, food safety and advanced applications markets. Nordion is the leading global provider of Co-60 and gamma irradiators, which are key components to the gamma sterilization process. Nelson Labs is a global leader in outsourced microbiological and analytical chemistry testing and advisory services for the medical device and pharmaceutical industries.
About Sotera Health
Sourced by ZipRecruiter
Industry
Health care and social assistance
Company size
1,001 - 5,000 Employees
Headquarters location
Broadview Heights, OH, US
Year founded
2017