Scientist, Genome Engineering
Colossal BiosciencesDallas, TXPosted 11 April 2026
Tech Stack
Job Description
We are looking for a talented Scientist with knowledge and passion for ambitious synthetic biology projects and large-scale genome engineering for species conservation and de-extinction. We will be building tools and methodologies for engineering various cell types, and will develop workflows to manipulate large DNA fragments and genomes. The candidate will work with a talented group of engineers and biologists committed to developing novel conservation technologies that will change the world.
This position is based in Dallas, TX. Relocation assistance is available.
Duties/Responsibilities:
Design, innovate and iterate: DNA assembly, integration, editing and screening
Build enabling molecular and cellular tools
Perform DNA/RNA transfections and/or viral transductions
Quantify genome editing events using various molecular assays
Data analysis, figure generation and timely reporting of results
Present findings at small forums and RD meetings
Maintain a thorough and detailed electronic lab notebook
Maintain a clean and organized laboratory space
Basic Qualifications:
PhD/MS in synthetic biology, bioengineering, molecular biology, genetics or related field is required, or 3+ years hands-on expertise in genetics and genomic manipulation
Solid understanding and hands-on experience with current editing techniques
Experience with cell culture, DNA/RNA transfection, bacterial culture, recombinant DNA cloning techniques, primer design and PCR, gel electrophoresis, nucleic acid extraction and purification
Self-motivated, proactive, works well under pressure and deadlines, detail oriented
Enthusiasm for learning new skills and taking on new responsibilities
Strong written and oral communication skills, as well as creative problem-solving skills
Enjoys the fast-paced startup environment and teamwork
Preferred Qualifications:
High throughput screening experience or automation methods
NGS library prep, immunostaining and flow cytometry experience
Current experience with next-generation editing tools
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 ... (truncated, view full listing at source)
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