{"id":2480495,"url":"https://alion.io/job/colossal-scientist-embryologytheriogenologist","title":"Scientist, Embryology/Theriogenologist","company":{"id":673658,"name":"Colossal Biosciences","domain":"colossal.com","url":"https://alion.io/company/colossal-4","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":null},"role":"Science & Research","role_family":"Science & Research","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Dallas, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":66000,"max_usd":137000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":638},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-10-13T22:07:02Z","employer_posted_date":"2026-10-13","last_verified_at":"2026-10-23T23:23:43Z","board_verified":true,"closed_at":null,"days_open":10,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":10},"description":"Colossal is looking for a strong researcher who will spearhead groundbreaking research on techniques for oocyte collections and embryo transfers in non-model organisms, as well as the in vitro production of gene-edited embryos. \nThis role works with talented reproductive biologists to continue to develop, implement, and maintain strategic plans of the embryology department. This position reports to the Director of Assisted Reproduction.\n**This position is based out of Dallas, TX and relocation assistance is provided.**\nDuties and Responsibilities:\nDevelop protocols for transvaginal, transrectal, or laparoscopic oocyte collection in a variety of novel, model species. \nOptimize estrus synchronization and superovulation protocols for species in which frequent handling is difficult.\nCollaborate with the embryology team to optimize conditions for oocyte and embryo transport between animal facilities and laboratories at Colossal HQ.\nStay up to date on relevant literature, identify novel protocols/procedures that may be applicable for Colossal projects, and conduct associated experiments to continuously improve results.\nMaintain stable rates of success and troubleshoot protocols as needed. \nSome traveling required for training and implementing novel assisted reproductive technologies into non-model organisms\nRequired Skills and Abilities:\nStrong expertise in comparative reproductive biology, including endocrinology, oocyte maturation, and pre-implantation embryo development.\nExperience with multiple species, including non-traditional (wildlife) models preferred.\nTransrectal palpation and ultrasound for monitoring ovarian activity and early pregnancy.\nTransvaginal and/or laparoscopic oocyte collections. \nGamete and embryo cryopreservation.\nStrong communication skills (written/verbal)\nAbility to work independently, with members of the Animal Operations and Embryology teams, including veterinarians, scientists, and animal husbandry experts.\nAt least three years of experience with oocyte collection, embryo collection/production, and embryo transfer with a track record of successful pregnancies.\nMust be able to travel, potentially up to 25%\nEducation and Experience:\nD.V.M. and/or Ph.D. in biological sciences, veterinary medicine, or a related field.\nTwo years of post-doctoral experience or residency training.\nDemonstrated track-record of publication in peer-reviewed journals.\nWhat Colossal Offers Full-Time Employees:\nMedical, dental, and vision coverage\nExcellent paid time off and company holidays so you can rest and recharge \nFlexible spending accounts (FSA)\nCompany matched 401k retirement plan\nPaid parental leave at 100% salary for up to 12 weeks\nEducation reimbursement \nAn opportunity to help us return the Earth to a healthier state\nThe team at Colossal is committed, colorful, passionate, intelligent, collaborative, creative, experienced, scientific and world-class. That sounds like a lot to fit into one building. That’s why we are spread out in several locations that include laboratories, test facilities, academic institutions, libraries and offices. \nThrough it all, however, we maintain a culture of positivity, hope, happiness and belief that we’re doing something big. Something Colossal.\nColossal is proud to be an equal employment opportunity workplace. We welcome people from all backgrounds as well as celebrate and support diversity. We are committed to providing an inclusive environment of mutual respect that is free from discrimination and harassment so everyone can thrive. \nEEO is the Law \nSearch Firm Representatives: Colossal does not accept unsolicited assistance from search firms. No fees will be paid for a hired candidate where no pre-existing agreement is in place. We handle most recruitment in-house. \nColossal is on LinkedIn's 2026 Top Startups in Dallas List! See the list here.\nColossal is on Fortune's 2026 List for Best Workplaces in BioPharma. See the list here. \nColossal is proud to be named a Best Place to Work by BuiltIn for 4 years in a row across multiple categories in 2023, 2024, 2025, and 2026:\n#1 on the 50 Best Startups to Work For in Dallas in 2023!\n100 Best Midsize Places to Work in Dallas in 2024 & 2025\n100 Best Places to Work in Dallas, TX (All Size Employers) in 2024, 2025, and 2026.\nBuilt In 2026 Award Lists\nGreat Place to Work Certification Page\nMost Loved Workplace Certification Page - Proud to be certified as a most loved workplace including: most loved CEO, most loved workplaces for LGBTQ+, most loved workplaces for women, and most loved workplaces for young professionals.\nNewsweek's Most Loved Workplaces 2024 Award List - Excited to be amongst the winners of Newsweek's 2024 Most Loved Workplaces!","description_format":"text","description_chars":4709,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"phd","optional":false},"security_clearance":false,"languages":[]},"benefits":["401k plan","Parental leave","Relocation assistance","Retirement plans"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":true,"industries":["Synthetic Biology","Environmental Biotechnology"],"lifecycle":[{"event":"open","at":"2026-10-13T22:36:04Z"}],"visa":[],"liveness":{"score":85,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.848,"p_room":1,"age_days":9,"expected_fill_days":48,"reasons":["conf:1","win:early"],"computed_at":"2026-10-23T05:54:15Z"},"pay":null,"html_url":"https://alion.io/job/colossal-scientist-embryologytheriogenologist","json_url":"https://alion.io/job/colossal-scientist-embryologytheriogenologist.json","meta":{"generated_at":"2026-10-24T00:14:05Z","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":340,"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":673658},"rest":"https://alion.io/mcp/rest/get_company?id=673658"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcolossal-scientist-embryologytheriogenologist"},{"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%2Fcolossal-scientist-embryologytheriogenologist"},{"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%2Fcolossal-scientist-embryologytheriogenologist"},{"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/colossal-scientist-embryologytheriogenologist\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcolossal-scientist-embryologytheriogenologist"}]}