Lead Cryptographer
TLDR
Lead cryptography research and evaluation efforts on an Applied Mathematics team serving DARPA, large ISPs, and startups.
At Two Six Technologies, we build, deploy, and implement innovative products that solve the world’s most complex challenges today. Through unrivaled collaboration and unwavering trust, we push the boundaries of what’s possible to empower our team and support our customers in building a safer global future.
Overview of Opportunity:
Two Six Technologies is looking for a Lead Cryptographer to join our Applied Mathematics team. You will work with a range of clients from the US Defense Advanced Research Projects Agency (DARPA) to the country’s largest ISPs to innovative tech startups. You will become a trusted advisor while learning and performing valuable technical and industry skills.
Job Responsibilities & Duties
- Participate in research programs related to applied, modern cryptography
- Assist formal methods team in evaluations of cryptographic software and systems for functional correctness and implementation mistakes
- Take on complex technical problems for which there is often no known answer.
- Forge your own path; our small team setting will provide you the opportunity for outsized impact. While you will receive extensive training, mentorship, and coaching, you must be comfortable executing against challenging technical goals since there’s no playbook for our innovative work.
Minimum Qualifications:
- Bachelor’s degree in Computer Science, Computer Engineering, Mathematics, or a related technical field.
- A Master’s or Ph.D. may be considered in place of some years of experience
- Minimum of 7 years experience in classical and modern cryptographic algorithms and protocols including several of:
- Standard public key algorithms
- Symmetric key ciphers and modes
- Cryptographic hash functions
- Basic coding skills in a functional or imperative language
Nice if you have:
- Experience in classical and modern cryptographic algorithms and protocols including
- Zero-knowledge proof
- Secure multiparty computation
- Post Quantum/Quantum-resistant cryptography
- Fully homomorphic encryption
- Publication history in cryptography
- Familiarity with formal methods / formal verification
- Exposure to concepts of functional programming languages (higher-order function, monads, type classes, etc.)
Security Clearance:
- Active Top Secret Clearance with the ability to obtain SCI
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Two Six Technologies is committed to providing competitive and comprehensive compensation packages that reflect the value we place on our employees and their contributions. We believe in rewarding skills, experience, and performance. Our offerings include but are not limited to, medical, dental, and vision insurance, life and disability insurance, retirement benefits, paid leave, tuition assistance and professional development.
The projected salary range listed for this position is annualized. This is a general guideline and not a guarantee of salary. Salary is one component of our total compensation package and the specific salary offered is determined by various factors, including, but not limited to education, experience, knowledge, skills, geographic location, as well as contract specific affordability and organizational requirements.
Benefits
Education Stipend
tuition assistance and professional development
Health Insurance
medical, dental, and vision insurance
Retirement benefits
Paid Time Off
paid leave
Two Six Technologies specializes in cybersecurity and advanced technology solutions tailored for national security. We create innovative products like Sigma and Trusted Keep that tackle today’s most challenging issues, ensuring a safer global future for our clients.
- Founded
- Founded 2021
- Employees
- 500+ employees
- Industry
- computer software
- Total raised
- $57M raised
- Last funding
- Raised January 2026