Scientist II- Inhalation Toxicologist Research Scientist

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Description

Looking for an opportunity to make an impact?

Unleash your potential at Leidos, where we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer’s success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.

If this sounds like an environment where you can thrive, keep reading!

Are you passionate about research studies and analyses? Leidos is seeking a Research Scientist, Scientist II, to perform Inhalation Toxicology Research in support of biomedical research in the Environmental Health Effects Laboratory (EHEL) at the Naval Medical Research Unit Dayton, OH. (NAMRU)

The successful candidate will serve as Project Lead in cell-based and animal use research studies on environmental and occupational exposures to identify health effects before health and operational performance is compromised in the warfighter. Research efforts will require study design, medical and scientific authoring and editing of research proposals, animal use (IACUC) protocols, technical and scientific reports, responses to grants and funding calls; scientific management, coordination of technical review meetings and the preparation and presentation of point papers, technical reports, and other briefings resulting from these meetings, preparation and support of technical summaries and publications resulting from research activities; presentation of research findings at scientific meetings / professional conferences; writing, reviewing, editing, and submitting peer-reviewed articles and technical reports.

If you're ready to take on this exciting and rewarding challenge, apply now and let's get started!

This position is currently UNFUNDED and reflects a possible future opportunity. Applying to the role will allow us to contact you if/when funding occurs. A response to this posting may not be immediate.

Your greatest work is ahead!

The Mission

Recognized as a Top 10 Health IT provider, the Leidos Health Group draws on decades of success to deliver a range of solutions and services designed to meet the healthcare challenges of today. From the research bench to the patient bedside, we are a company of scientists, engineers, and technologists delivering a broad range of impactful, customizable, and scalable solutions to hospitals and health systems, biomedical organizations, and every U.S. federal agency focused on health. Leidos works with customers across the continuum of care to improve clinical, operational, and financial outcomes with innovative solutions that advance the next generation of care. Our mission is to contribute to creating a healthier world. To explore and learn more, click here ( !

Are you ready to join a team dedicated to a mission? Begin your journey of a flourishing and meaningful career, share your resume with us today!

The Challenge

• Work with a diverse team of scientists, including toxicologists, engineers, neuroscientists, chemists, psychologists, animal behaviorists and biologists, to accomplish the mission of understanding the health effects of operating in military settings.
• Design and conduct scientific research on the toxicological effects of exposure to chemicals/mixtures; these may be in combination with extreme environmental hazards or stressors, to include temperature, humidity, altitude, vibrations, and noise, and/or physical demand.
• Utilize animal models to evaluate the short- and long-term health and performance effects of acute and chronic exposure to chemicals, mixtures, environmental hazards and stressors.
• Provide scientific expertise in the field of inhalation toxicology regarding all organ systems, including pulmonary, neurological/cognitive and developmental and reproductive effects.
• Identify, devise, propose and execute military relevant studies and collect data from animal subjects (primarily rodent)
• Develop appropriate exposure systems, including analytical techniques for identifying toxicants and/or aerosols.
• Contribute substantially to the design and building toxicant generation and other exposure systems.
• Perform risk assessments based on collected toxicological data.
• Assist other investigators in the design and execution of research protocols on inhalation toxicology and environmental exposure issues of interest to the Navy.
• Operate and maintain standard and specialized laboratory equipment.
• Assist and educate entry level research assistant personnel in the understanding and performance of their duties.
• Collect pulmonary/respiratory data, or other appropriate endpoints, from animal subjects following exposure.
• Perform statistical analyses using SigmaPlot, Statistical Package for the Social Sciences (SPSS) or Statistical Analysis Software (SAS). Examples of the typical analyses required for successful performance include T-tests, Chi-Square, Analyses of Variance, Multivariate Analyses of Variance, analyses of covariance, multivariate analyses of covariance, correlations, linear regressions, multiple linear regressions, and power analyses.
• Use multiple computer software packages to create spreadsheets and perform statistical routines.
• Independently and proactively prepare mission-relevant proposal applications for toxicological, physiological, psychological, medical, and performance studies.
• Independently and plan, manage, oversee, and carry out research proactively ensuring that those assisting in project coordination are fully informed and able to perform proposed/funded research, meeting all project deadlines.
• Develop technical reports, presentations, and publications.
• Be willing and able to work nontraditional hours (e.g., nights, weekends) as needed.
• Perform other duties as needed.

What Sets You Apart

• Ph.D. with 5-10 years of experience in inhalation toxicology, or a related scientific field
• A minimum of 5 years of experience proposing and conducting original research, including the design and implementation of protocols with animal models, data collection and analysis, and report production.
• Extensive experience in toxicology studies utilizing small animals.
• Strong background in toxicology research methodology with experience in research methods, design, and statistical analysis in a research setting.
• Proficiency in Microsoft Outlook, Word, PowerPoint, and Excel.
• Proficiency in the use of common statistical analysis software, to include SigmaPlot, SPSS and SAS.
• Strong technical writing background with experience in writing research proposals, standard operating procedures, animal use protocols for approval by the Institutional Animal Care and Use Committee (human use/Institutional Review Board protocols a plus), technical reports, journal articles, and conference papers.
• Excellent communication and interpersonal skills and ability to work cooperatively in a team environment.
• Self-motivated and capable of working independently and with others.
• Ability to obtain and maintain a Secret Clearance
• Due to US Government requirements, US Citizenship is mandatory

You Might Also Have

• PhD plus 5+ years of relevant experience
• Experience in a military or medical research environment is highly desired
• Demonstrated experience and success responding to research funding and grant requests for proposals.
• Experience in modeling (e.g., quantitative-structure activity relationships, benchmark dose, etc.) a plus.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting

October 29, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range

Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit .

Pay And Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at .

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected] .

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission ( .

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

REQNUMBER: R-00169579

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.

If you have questions about this posting, please contact [email protected]