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/conservation and the repopulation of critical ecosystems that support the continuation of life on Earth.

Interested in joining us but there are no jobs posted that match your background and/or interest? Apply here to join our Colossal Talent Community!

Some things to know:

After the application confirmation email gets to you, we will only reach out if/when a new role opens up that aligns to your qualifications.
Our positions are currently located on-site in Dallas, TX.
All applicants must be authorized to work in the United States to be eligible for hire.
The majority of our roles are in the biological sciences and engineering. We also hire in animal care as well as all corporate functions such as finance, human resources, information technology, legal, marketing, and operations.

In the meantime, keep an eye on our Careers Website for new job opportunities!

Learn more about what we do and why we do it at: https://colossal.com/
Learn about the de-extinction of the Woolly Mammoth here: https://colossal.com/mammoth/
Learn about the de-extinction of the Thylacine (Tasmanian Tiger) here: https://colossal.com/thylacine/
Learn about the de-extinction of the Dodo Bird here: https://colossal.com/dodo/
Learn about the de-extinction of the Dire Wolf here: https://colossal.com/direwolf/
Learn about the exciting science happening in our labs here: https://colossal.com/technology/
Learn about our amazing conservation work here: https://colossal.com/conservation/
Check out our page on de-extinction here: https://colossal.com/de-extinction/

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 3 years in a row across multiple categories in 2023, 2024, and 2025:

#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

Built In 2025 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!

Colossal Biosciences

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