{"id":3698953,"url":"https://alion.io/job/regeneron-pharmaceuticals-process-development-engineer-i-bioreactor-scale-up-development","title":"Process Development Engineer I, Bioreactor Scale-Up & Development","company":{"id":4267,"name":"Regeneron Pharmaceuticals","domain":"regeneron.com","url":"https://alion.io/company/regeneron","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":80,"open_postings":37,"ghost_share":0,"stale_share":0.784,"repost_share":0,"time_to_fill_p50_days":27,"computed_at":"2026-11-06T05:58:05Z"}},"role":"Biotech","role_family":"Biotech","seniority":"junior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Tarrytown, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":80300,"max":131100,"currency":"USD","period":"year","gross":null,"usd_annual":131100},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Bioreactors","optional":false},{"name":"Cell Culture","optional":false}],"status":"live","first_seen_at":"2026-11-03T18:51:59Z","employer_posted_date":"2026-11-03","last_verified_at":"2026-11-06T07:23:31Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Build our future together:\nAt Regeneron, we use science and innovation to develop life-changing medicines for people with serious diseases. We are seeking a Process Development Engineer to join our Bioreactor and Scale-Up Development Group within Preclinical Manufacturing and Process Development (PMPD), supporting our late-stage biologics pipeline in an on-site capacity. In this role, you will develop commercially viable manufacturing processes through pilot-scale studies and apply computational and data-analysis tools to improve process efficiency while collaborating with process development engineers and cross-functional development teams.\nThis position offers the opportunity to contribute to a fast-growing, science-driven organization making a meaningful difference to patients worldwide.\nWhen & where:\nLocation: Tarrytown, NY\nWork model: On-site\nDiscover your role:\nCultivate mammalian cells producing biologics in bench and pilot-scale bioreactors\nPrepare, sterilize, and operate bioreactors, buffers, and feeds, and maintain laboratory equipment\nAnalyze seed train, production, and quality data to advance process understanding and technology transfer\nAuthor development reports, process transmittals, and electronic notebook documentation\nDesign and conduct experiments, including DOEs, to verify empirical and mechanistic models\nSupport scale-up of commercially enabling processes from bench to pilot and manufacturing scales\nLead and support data science projects, using AI/ML where appropriate, to optimize scale-up and comparability across scales\nPartner with process development engineers on scale-dependent parameter characterization\nThis role requires:\nBachelor’s degree in Chemical Engineering, Biomedical Engineering, or a related field with 0-2 years of experience\nInitiative and strive to complete bold tasks and learn new technologies\nWork independently and within a team on multiple projects simultaneously\nStrong communication skills, including analytical, computer, and technical writing skills\nPreferred: knowledge of or interest in bioreactor operations, scale-up, and mammalian cell culture\nPreferred: knowledge of or interest in data analytics and programming\nYouTube Video on PMPD Bioreactor Scale-Up & Development:\nhttps://www.youtube.com/watch?v=uikD5fzEwyM&list=PL_7lj13Lp4fH4OssUue8J5bby6muZsaR4&index=8\nYouTube Video on Career Development at Regeneron:\n https://www.youtube.com/watch?v=4fg18hC-gsw&list=PL_7lj13Lp4fH4OssUue8J5bby6muZsaR4&index=2\nDoes this sound like you? Apply now to take your first step towards living the Regeneron Way! We are committed to building a workplace with an inclusive culture. Regeneron is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion or belief (or lack thereof), sex, sexual orientation, gender identity or expression, gender reassignment, marital or civil partnership status, civil status, pregnancy or parental status, age, disability, nationality, citizenship status, ethnic or national origin, membership of the Traveler community, familial status, genetic information, military or veteran status, or any other characteristic protected under applicable law. Where required, we will provide reasonable accommodation to applicants with known disabilities or chronic illnesses during the recruitment process, unless such accommodation would impose undue hardship.\nWhere necessary, we disclose salary ranges for roles in all countries in which we operate. The final offer will be determined within the relevant range based on the country of employment, specific role level, and your skills and experience. In some countries, collective bargaining agreements (CBAs) may apply and influence certain elements of pay or benefits. Regeneron offers a competitive and comprehensive total rewards package which may include, depending on country and role: annual bonuses or other incentive plans, equity awards, pension or retirement benefits, 401(k) company match, health and wellness programs, fitness centers, insurance benefits (e.g. medical, dental, vision, life and disability), paid time off, and family support benefits. For additional information about Regeneron benefits in the U.S., please visit https://careers.regeneron.com/en/working-at-regeneron/total-rewards/. For other locations, additional information will be provided during the recruitment process. If you have any questions, please speak with your recruiter.\nPlease be advised that at Regeneron, we believe we do our best work when we are together. For that reason, many roles are required to be performed on-site. Please speak with your recruiter and hiring manager for more information about on-site expectations for your role and location.\nAs part of the recruitment process, certain background checks may be conducted in accordance with the laws of the country where the position is based. The purpose of such checks is to verify certain information prior to the commencement of employment such as identity, right to work and educational qualifications.\nFor jobs in Canada: this posting is for an existing position.\nSalary Range (annually)\n$80,300.00 - $131,100.00","description_format":"text","description_chars":5201,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Annual bonuses","Equity","Wellness"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Biotechnology","Health Care","Oncology Therapeutics","Immunology & Inflammation Therapeutics"],"lifecycle":[{"event":"open","at":"2026-11-03T18:51:59Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 316 · green card filings: 4","filings_12m":316,"filings_prev_12m":157,"green_card_filings_12m":4,"median_offered_wage_usd":151938,"route":null,"cap_exempt":false,"checked_at":"2026-10-29T16:27:21+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":0}],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":2,"expected_fill_days":27,"reasons":["conf:3","stale_co","velocity","win:early","comp:junior,brand"],"computed_at":"2026-11-06T05:58:05Z"},"pay":{"stated_usd_annual":131100,"is_top_pay":true},"html_url":"https://alion.io/job/regeneron-pharmaceuticals-process-development-engineer-i-bioreactor-scale-up-development","json_url":"https://alion.io/job/regeneron-pharmaceuticals-process-development-engineer-i-bioreactor-scale-up-development.json","meta":{"generated_at":"2026-11-06T11:22:34Z","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":20663,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-07T00:00:00Z"}},"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":4267},"rest":"https://alion.io/mcp/rest/get_company?id=4267"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fregeneron-pharmaceuticals-process-development-engineer-i-bioreactor-scale-up-development"},{"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%2Fregeneron-pharmaceuticals-process-development-engineer-i-bioreactor-scale-up-development"},{"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%2Fregeneron-pharmaceuticals-process-development-engineer-i-bioreactor-scale-up-development"},{"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/regeneron-pharmaceuticals-process-development-engineer-i-bioreactor-scale-up-development\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fregeneron-pharmaceuticals-process-development-engineer-i-bioreactor-scale-up-development"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3698953}},{"tool":"search_jobs","arguments":{"company":"regeneron.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3698953},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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