Colossal Biosciences is looking for a talented stem cell biologist with an interest in the manipulation of avian embryonic and induced pluripotent stem cells. You will work closely with other lab team members in efforts to innovate on protocols of avian stem cell culture, genome editing, and reintroduction into embryos using cutting edge technologies. This position is based in Dallas, TX. Relocation assistance is available. Duties and Responsibilities:<ul><li>Culture avian embryonic stem cells, test novel cell culture conditions, transfect cells, sort monoclonal cell lines, screen and expand cells according to latest protocols and newly developed approaches </li><li>Using a dissection microscope, collect avian blastodiscs from avian embryos and derive stem cell cultures</li><li>Characterize and QC avian stem cell cultures</li><li>Inject stem cells into avian blastodiscs</li><li>Work with team members to assess efficiency of editing through NGS sequencing approaches</li><li>Attends lab meetings, prepares reports, and presentations on the progress of projects</li><li>Great organizational skills and excellent laboratory record maintenance</li></ul>Required Skills and Abilities:<ul><li>Experience with embryonic and iPSC cultures</li><li>Experience manipulating embryos under a microscope</li><li>Experience in cell line derivation, culture, propagation, and transfection methodologies</li><li>Experience in molecular biology (nucleic and protein extraction, gel electrophoresis) </li><li>Experience with qPCR, flow cytometry, immunostaining, cell microscopy</li><li>Strong written and oral communication skills, as well as creative problem-solving skills</li></ul>Education and Experience:<ul><li>BA/BS/MA/MS in biological sciences, cell biology, bioengineering, molecular biology, genetics, or any science related field.</li></ul><div>What Colossal Offers Full-Time Employees:<ul><li style="font-weight:400;">Medical, dental, and vision coverage</li><li style="font-weight:400;">Excellent paid time off and company holidays so you can rest and recharge </li><li style="font-weight:400;">Flexible spending accounts (FSA)</li><li style="font-weight:400;">Company matched 401k retirement plan</li><li style="font-weight:400;">Paid parental leave at 100% salary for up to 12 weeks</li><li style="font-weight:400;">Education reimbursement </li><li style="font-weight:400;">An opportunity to help us return the Earth to a healthier state</li></ul>The 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. Through it all, however, we maintain a culture of positivity, hope, happiness and belief that we’re doing something big. Something Colossal.Colossal 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. <a href="https://www.eeoc.gov/after-june-27-2023-know-your-rights-workplace-discrimination-illegal">EEO is the Law </a>Search 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. Colossal is proud to be named a Best Place to Work by BuiltIn for 3 years in a row across multiple categories in 2023, 2024, and 2025:<ul><li>#1 on the 50 Best Startups to Work For in Dallas in 2023!</li><li>100 Best Midsize Places to Work in Dallas in 2024 &amp; 2025</li><li>100 Best Places to Work in Dallas, TX (All Size Employers) in 2024 &amp; 2025</li></ul> <a href="https://builtin.com/awards/dallas/2025/best-midsize-places-to-work">Built In 2025 Award Lists</a><a href="https://www.greatplacetowork.com/certified-company/7049203">Great Place to Work Certification Page</a><a href="https://mostlovedworkplace.com/companies/colossal-biosciences/">Most Loved Workplace Certification Page</a> - 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.<a href="https://www.newsweek.com/rankings/most-loved-workplaces-2024?utm_campaign=dr_2024_oct_webinar_final&amp;utm_medium=email&amp;_hsenc=p2ANqtz-8dglCEGpx_mr-HYudRKFhj4L6PhGDkf92pJJMpxovuNaX_Y7rdOFsgX6dEGZnNK9O_RP1gd54PPR7yib9CZjvG7FT4IA&amp;_hsmi=328042950&amp;utm_content=see_list&amp;utm_source=newlsetter">Newsweek's Most Loved Workplaces 2024 Award List</a> - Excited to be amongst the winners of Newsweek's 2024 Most Loved Workplaces! <img style="max-width:100%;" src="https://employers.builtin.com/wp-content/uploads/2023/09/2024BPTW_GeneralBadgeYear_AllWhite-1-281x300.png">   <img style="max-width:100%;" src="https://www.greatplacetowork.com/images/profiles/7049203/companyBadge.png?20240207">     <img style="max-width:100%;" src="https://pbs.twimg.com/media/FvJDPn0aEAAwgAH?format=jpg&amp;name=small">    <img style="max-width:100%;" src="https://colossal.com/wp-content/uploads/time-100.png"> <img style="max-width:100%;" src="https://imageio.forbes.com/dam/imageserve/65e730dcd08766cc9dbcdb47/x.jpg?format=jpg&amp;height=183&amp;width=255&amp;fit=bounds"> </div>

The science of genetics. The business of discovery.
Colossal is a breakthrough bioscience and genetic engineering company that builds radical new technologies to advance the field of genomics. Colossal creates disruptive technologies for extinct species restoration, critically endangered species protection and the repopulation of critical ecosystems that support the continuation of life on Earth. The company is the first to apply CRISPR technology for the purposes of species de-extinction, beginning with the woolly mammoth. Colossal is accepting humanity&rsquo;s duty to restore Earth to a healthier state, while also solving for the future economies and biological necessities of the human condition through cutting-edge science and technologies.

Senior Research Associate, Avian Cell Engineering

Colossal Biosciences is looking for a talented stem cell biologist with an interest in the manipulation of avian embryonic and induced pluripotent stem cells. You will work closely with other lab team members in efforts to innovate on protocols of avian stem cell culture, genome editing, and reintroduction into embryos using cutting edge technologies.&nbsp;This position is based in Dallas, TX. Relocation assistance is available.&nbsp;Duties and Responsibilities:<ul><li>Culture avian embryonic stem cells, test novel cell culture conditions, transfect cells, sort monoclonal cell lines, screen and expand cells according to latest protocols and newly developed approaches&nbsp;</li><li>Using a dissection microscope, collect avian blastodiscs from avian embryos and derive stem cell cultures</li><li>Characterize and QC avian stem cell cultures</li><li>Inject stem cells into avian blastodiscs</li><li>Work with team members to assess efficiency of editing through NGS sequencing approaches</li><li>Attends lab meetings, prepares reports, and presentations on the progress of projects</li><li>Great organizational skills and excellent laboratory record maintenance</li></ul>Required Skills and Abilities:<ul><li>Experience with embryonic and iPSC cultures</li><li>Experience manipulating embryos under a microscope</li><li>Experience in cell line derivation, culture, propagation, and transfection methodologies</li><li>Experience in molecular biology (nucleic and protein extraction, gel electrophoresis)&nbsp;</li><li>Experience with qPCR, flow cytometry, immunostaining, cell microscopy</li><li>Strong written and oral communication skills, as well as creative problem-solving skills</li></ul>Education and Experience:<ul><li>BA/BS/MA/MS in biological sciences, cell biology, bioengineering, molecular biology, genetics, or any science related field.</li></ul><div>What Colossal Offers Full-Time Employees:<ul><li>Medical, dental, and vision coverage</li><li>Excellent paid time off and company holidays so you can rest and recharge&nbsp;</li><li>Flexible spending accounts (FSA)</li><li>Company matched 401k retirement plan</li><li>Paid parental leave at 100% salary for up to 12 weeks</li><li>Education reimbursement&nbsp;</li><li>An opportunity to help us return the Earth to a healthier state</li></ul>The 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.&nbsp;Through it all, however, we maintain a culture of positivity, hope, happiness and belief that we’re doing something big. Something Colossal.Colossal 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.&nbsp;<a href="https://www.eeoc.gov/after-june-27-2023-know-your-rights-workplace-discrimination-illegal">EEO is the Law&nbsp;</a>Search 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.&nbsp;Colossal is proud to be named a Best Place to Work by BuiltIn for 3 years in a row across multiple categories in 2023, 2024, and 2025:<ul><li>#1 on the 50 Best Startups to Work For in Dallas in 2023!</li><li>100 Best Midsize Places to Work in Dallas in 2024 &amp; 2025</li><li>100 Best Places to Work in Dallas, TX (All Size Employers) in 2024 &amp; 2025</li></ul> <a href="https://builtin.com/awards/dallas/2025/best-midsize-places-to-work">Built In 2025 Award Lists</a><a href="https://www.greatplacetowork.com/certified-company/7049203">Great Place to Work Certification Page</a><a href="https://mostlovedworkplace.com/companies/colossal-biosciences/">Most Loved Workplace Certification Page</a> - 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.<a href="https://www.newsweek.com/rankings/most-loved-workplaces-2024?utm_campaign=dr_2024_oct_webinar_final&amp;utm_medium=email&amp;_hsenc=p2ANqtz-8dglCEGpx_mr-HYudRKFhj4L6PhGDkf92pJJMpxovuNaX_Y7rdOFsgX6dEGZnNK9O_RP1gd54PPR7yib9CZjvG7FT4IA&amp;_hsmi=328042950&amp;utm_content=see_list&amp;utm_source=newlsetter">Newsweek's Most Loved Workplaces 2024 Award List</a> - Excited to be amongst the winners of Newsweek's 2024 Most Loved Workplaces!&nbsp;<img src="https://employers.builtin.com/wp-content/uploads/2023/09/2024BPTW_GeneralBadgeYear_AllWhite-1-281x300.png">&nbsp; &nbsp;<img src="https://www.greatplacetowork.com/images/profiles/7049203/companyBadge.png?20240207">&nbsp; &nbsp; &nbsp;<img src="https://pbs.twimg.com/media/FvJDPn0aEAAwgAH?format=jpg&amp;name=small"> &nbsp; &nbsp;<img src="https://colossal.com/wp-content/uploads/time-100.png"> <img src="https://imageio.forbes.com/dam/imageserve/65e730dcd08766cc9dbcdb47/x.jpg?format=jpg&amp;height=183&amp;width=255&amp;fit=bounds">&nbsp;</div>

Senior Research Associate, Avian Cell Engineering

About the Job

About the Company

Colossal Biosciences

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