Research Fellow (Science & Engineering)

The Research Associate will support genome engineering projects in mammalian systems by performing core molecular biology workflows, including plasmid preparation, PCR, gel electrophoresis, and DNA quality control. This role will also assist with routine lab operations such as inventory management, equipment upkeep, and preparation of common stocks. Working closely with senior Thylacine team members, the Research Associate will contribute to Colossal's mission of advancing genome engineering technologies for conservation and de-extinction.
This position is based on-site in Dallas, TX. Relocation assistance is available.
Duties and Responsibilities:

Work with senior lab members to support the design, development, and testing of multiplex genome engineering tools in mammalian cells
Perform routine molecular biology workflows, including plasmid DNA preparation (mini/midi/maxi preps), PCR, gel electrophoresis, and gel analysis
Assist with general lab operations, such as inventory management, preparation of common stocks, and basic equipment maintenance
Work on project milestones, attend team meetings, prepare progress reports, and presentations
Required Skills and Abilities

Ability to thrive in a fast-paced environment
Strong written and oral communication skills, as well as creative problem-solving skills
Great organizational skills and excellent laboratory record maintenance
Proficiency in aseptic technique for E. coli culture and handling
Hands-on research experience with core molecular biology techniques, including plasmid DNA preparation (mini/midi/maxi preps), genomic DNA preparation, PCR, gel electrophoresis, and DNA quality control
Familiarity with sequence analysis software (e.g., SnapGene, Geneious)
Preferred Skills and Abilities
Experience with RNA extraction, RNA handling, and qPCR methods
Familiarity with electronic lab notebooks (ELN) and laboratory inventory management systems
Prior experience with cloning techniques (restriction enzyme-based cloning, Gibson assembly, or similar methods)
Education and Experience:

Bachelor's in biological sciences, bioengineering, molecular biology, genetics, or any science related field
Previous experience as a Research Associate or technician in an academic or biotechnology industry setting is a plus
This role is not eligible for employment visa sponsorship.

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 Newsweek's 2024 Most Loved Workplaces!