Scientist, Stem Cell Engineering
Colossal Biosciences
| Company | Colossal Biosciences |
| Category | Uncategorised |
| Location | Dallas |
| Remote | On-site (inferred) |
| Employment | Not stated |
| Level | Not stated |
| Salary | Not stated by the employer |
| Posted | 31 Jul 2026 |
| Last verified | 3 Aug 2026 |
| Source | Employer career page (greenhouse) |
Description
An affiliate of Colossal Biosciences is looking for a talented stem cell biologist with an interest in the manipulation of avian embryonic 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:
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
Using a dissection microscope, collect avian blastodiscs from avian embryos and derive stem cell cultures
Characterize and QC avian stem cell cultures
Inject stem cells into avian blastodiscs
Work with team members to assess efficiency of editing through NGS sequencing approaches
Attends lab meetings, prepares reports, and presentations on the progress of projects
Great organizational skills and excellent laboratory record maintenance
Required Skills and Abilities:
Experience with embryonic stem cell cultures
Experience manipulating embryos under a microscope
Experience in cell line derivation, culture, propagation, and transfection methodologies
Experience in molecular biology (eg, nucleic acid and protein extraction, gel electrophoresis)
Experience with flow cytometry, immunostaining, cell microscopy
Strong written and oral communication skills, as well as creative problem-solving skills
Education and Experience:
PhD in biological sciences, cell biology, bioengineering, molecular biology, genetics, or any science related field.
What Colossal Offers Full-Time Employees:
Medical, dental, and vision coverage
Excellent paid time off and company holidays so you can rest and recharge
Flexible spending accounts (FSA)
Company matched 401k retirement plan
Paid parental leave at 100% salary for up to 12 weeks
Education reimbursement
An opportunity to help us return the Earth to a healthier state
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.
EEO is the Law
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 4 years in a row across multiple categories in 2023, 2024, 2025, and 2026:
#1 on the 50 Best Startups to Work For in Dallas in 2023!
100 Best Midsize Places to Work in Dallas in 2024 & 2025
100 Best Places to Work in Dallas, TX (All Size Employers) in 2024, 2025, and 2026.
Built In 2026 Award Lists
Great Place to Work Certification Page
Most 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.
Newsweek's Most Loved Workplaces 2024 Award List - Excited to be amongst the winners of Newswee