The Scientist will develop novel media formulations to culture primordial germ cells (PGCs) from non-model organisms, conduct functional assays, and in vitro characterization of PGCs. The candidate will be part of an innovative synthetic biology platform that will develop and optimize a cell culture media platform for the production and expansion of PGCs with downstream assays to assess germline functionality from non-model avian species. This role supports Colossal’s avian program, establishing PGC lines to support conservation breeding and genetic rescue.
This position is based out of Dallas, TX, and may require some international travel. Relocation assistance is provided.
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 on LinkedIn's 2026 Top Startups in Dallas List! See the list here.
Colossal is on Fortune's 2026 List for Best Workplaces in BioPharma. See the list here.
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 Newsweek's 2024 Most Loved Workplaces!
