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Lead Cryptologic Mathematician

Job in Arlington, Arlington County, Virginia, 22201, USA
Listing for: Two Six Technologies
Full Time position
Listed on 2026-07-23
Job specializations:
  • Software Development
    AI Engineer (Applied/Software)
Salary/Wage Range or Industry Benchmark: 150000 - 235000 USD Yearly USD 150000.00 235000.00 YEAR
Job Description & How to Apply Below

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.

Two Six Technologies is looking for a Lead Cryptologic Mathematician to join our Applied Mathematics team.

Responsibilities
  • 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.
  • 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:
    • Standard public key algorithms
    • Symmetric key ciphers and modes
    • Cryptographic hash functions
    • Basic coding skills in a functional or imperative language
Preferred Qualifications
  • 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

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.

Two Six Technologies is an Equal Opportunity Employer and does not discriminate in employment opportunities or practices based on race (including traits historically associated with race, such as hair texture, hair type and protective hair styles (e.g., braids, twists, locs and twists)), color, religion, national origin, sex (including pregnancy, childbirth or related medical conditions and lactation), sexual orientation, gender identity or expression, age (40 and over), marital status, disability, genetic information, and protected veteran status or any other characteristic protected by applicable federal, state, or local law.

For more information review the Two Six Technologies Equal Employment Opportunity and Affimation Action Policy and the EEO Poster.

If you are an individual with a disability and would like to request reasonable workplace accommodation for any part of our employment process, please send an email to  . Information provided will be kept confidential and used only to the extent required to provide needed reasonable accommodations.

Additionally, please be advised that this business uses E-Verify in its hiring practices.

How do you know if you have a disability?

A disability is a condition that substantially limits one or more of your “major life activities.” If you have or have ever had such a condition, you are a person with a disability. Disabilities include, but are not limited to:

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  • Blind or low vision
  • Cancer (past or present)
  • Cardiovascular or heart disease
  • Celiac disease
  • Cerebral palsy
  • Deaf or serious difficulty hearing
  • Diabetes
  • Disfigurement, for example, disfigurement caused by burns,…
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