{"id":3050133,"url":"https://alion.io/job/icf-senior-toxicologist-remote-role","title":"Senior Toxicologist (REMOTE ROLE)","company":{"id":2632,"name":"ICF","domain":"icf.com","url":"https://alion.io/company/icf","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":100,"open_postings":13,"ghost_share":0,"stale_share":0,"repost_share":0.077,"time_to_fill_p50_days":21,"computed_at":"2026-10-23T05:54:15Z"}},"role":"Biotech","role_family":"Biotech","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Reston, United States","Durham, United States"],"countries":["US"],"hiring_countries":["US"],"hiring_countries_total":1,"salary":{"min":81499,"max":138549,"currency":"USD","period":"year","gross":null,"usd_annual":138549},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-09-30T00:00:00Z","employer_posted_date":"2026-09-30","last_verified_at":"2026-10-23T07:45:01Z","board_verified":true,"closed_at":null,"days_open":24,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":24},"description":"SENIOR TOXICOLOGIST\nTo support ICF’s dynamic growth and expanding client base, we are seeking a Senior Toxicologist to work in our Health Science Portfolio. This group of 100+ science professionals provide toxicology, hazard assessment, epidemiology, risk assessment, exposure assessment, environmental modeling, and related support that addresses the full spectrum of potentially hazardous agents, including chemicals and microbes. We specialize in identifying and quantifying the effects of environmental pollutants-including metals, pesticides, industrial chemicals, and volatile organic compounds-on human health and the environment.\nThe Senior Toxicologist’s project work would support federal agencies (such as U.S. EPA and NIEHS) in the design, conduct, and reporting of hazard studies and human health risk assessments for environmental pollutants. In particular, the successful candidate will provide leadership in the identification, interpretation, and integration of molecular biology, mechanistic toxicology, and new approach methodologies (NAMs) data to support hazard identification, mode-of-action analyses, systematic review, and human health risk assessments. The role will involve evaluating diverse evidence streams including gene expression, -omics, cellular and molecular assays, pathway-based data, and adverse outcome pathway (AOP) frameworks.\nLocation: Remote\nWhat you’ll do\nProject management and technical leadership activities on multiple projects concurrently involving toxicology data, systematic literature reviews, and risk assessment. Assist in the definition of project scope and objectives and serve as the primary point of contact for client and internal project teams.\nToxicological report development, including writing methods, results, and discussion sections, reviewing toxicological conclusions based on the test results, and synthesizing findings into a weight of evidence analysis.\nDraft protocol and guidance documents, toxicological reports, manuscripts, project descriptions, and proposals.\nCollaborate with multidisciplinary teams of toxicologists, biologists, epidemiologists, and statisticians to address complex scientific and regulatory questions.\nToxicology systematic review tasks including literature screening, study quality evaluation, study data extraction, dose-response analysis, incorporation of NAMs and mechanistic data, and data synthesis.\nSupervise, mentor, and train junior- and mid-level staff.\nBasic Qualifications:\nPh.D. in toxicology, pharmacology, environmental science, or related subject with 5+ years of experience in academic, industry, regulatory, or consulting fields.\nOR Master’s degree in toxicology, pharmacology, environmental science, or related subject with 10+ years of experience.\nPreferred Qualifications:\nStrong working knowledge of mechanistic toxicology and molecular biology\nExperience integrating mechanistic, animal, and human evidence into a weight-of-evidence evaluation\nExperience with mode of action and adverse outcome pathway (MOA and AOP) concepts, frameworks, and analyses\nExperience evaluating molecular, cellular, and mechanistic data including transcriptomics, proteomics, metabolomics, and high-throughput screening assays\nExperience with endocrine disruptors, PFAS, PAHs, and other emerging contaminants\nExperience in cancer assessment\nExperience with NAMs, molecular biology techniques, and mechanistic data for regulatory decision-making\nExperience with systematic literature review\nStrong quantitative skills with experience in dose-response analysis, benchmark dose modeling, pathway enrichment analyses, or similar modeling experience\nStrong written and oral communication skills\nProactive and problem-solving approach to challenges\nExperience/familiarity with government programs\nExcellent organizational skills and attention to detail\nAbility to prioritize, multi-task, and work under strict deadlines in a fast-paced environment\nExperience with project management and staff leadership\nDemonstrated ability to formulate and execute technical approaches to solving scientific questions \n#Indeed\n#LI-CC1\nBot and Third-Party Applications\nPlease note that this application must be submitted directly by the applicant for consideration. Failure to do so may result in the application being excluded for consideration. Applicants needing an accommodation for disability or religious purposes in connection with the application process should contact  for assistance.\nWorking at ICF\nICF is a global advisory and technology services provider, but we’re not your typical consultants. We combine unmatched expertise with cutting-edge technology to help clients solve their most complex challenges, navigate change, and shape the future.We can only solve the world's toughest challenges by building a workplace that allows everyone to thrive. We are an equal opportunity employer.Together, our employees are empowered to share theirexpertiseand collaborate with others to achieve personal and professional goals. For more information, please read our EEO policy.\nWe will consider for employment qualified applicants with arrest and conviction records.\nReasonable Accommodations are available, including, but not limited to, for disabled veterans, individuals with disabilities, and individuals withsincerely heldreligious beliefs, in all phases of the application and employment process. To requestan accommodation,please email  and we will be happy toassist. All information you provide will be kept confidential and will be used only to the extentrequiredto provide needed reasonable accommodations.\nRead more about workplace discrimination rights or our benefit offerings which are included in the Transparency in (Benefits) CoverageAct.\nCandidate AI Usage Policy\nAt ICF, we are committed to ensuring a fair interview process for all candidates based on their own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) tools to generate orassistwith responses during interviews (whether in-person or virtual) is notpermitted. This policy is in place tomaintainthe integrity and authenticity of the interview process.\nHowever, we understand that some candidates may require accommodationthat involves the use of AI. Ifsuch anaccommodation is needed, candidates are instructed to contact us in advance at . Weare dedicated to providingthe necessary support to ensure that all candidates have an equal opportunity to succeed.\nPay Range - There are multiple factors that are considered in determining final payfor a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position.\nThe pay range for this position based on full-time employment is:\n$81,499.00 - $138,549.00Nationwide Remote Office (US99)","description_format":"text","description_chars":7046,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"master","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","Government","Energy Efficiency","Digital Government"],"lifecycle":[{"event":"open","at":"2026-10-22T02:09:10Z"}],"visa":[],"liveness":{"score":41,"band":"fade","label":"Fading","p_open":1,"p_active":0.743,"p_room":0.55,"age_days":23,"expected_fill_days":21,"reasons":["conf:3","velocity","win:tail","comp:brand"],"computed_at":"2026-10-23T05:54:15Z"},"pay":{"stated_usd_annual":138549,"is_top_pay":false},"html_url":"https://alion.io/job/icf-senior-toxicologist-remote-role","json_url":"https://alion.io/job/icf-senior-toxicologist-remote-role.json","meta":{"generated_at":"2026-10-24T00:40:28Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":982,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-25T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":2632},"rest":"https://alion.io/mcp/rest/get_company?id=2632"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ficf-senior-toxicologist-remote-role"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Ficf-senior-toxicologist-remote-role"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Ficf-senior-toxicologist-remote-role"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/icf-senior-toxicologist-remote-role\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ficf-senior-toxicologist-remote-role"}]}