Overview of Opportunity:

Two Six Technologies is seeking a Cryptographer to join our Applied Mathematics team. In this role, you will work on cutting-edge cryptographic research and development, collaborating with a diverse set of clients, including DARPA, major ISPs, and innovative tech startups. You will have the opportunity to develop, analyze, and implement cryptographic techniques while becoming a trusted technical advisor in the field.

Job Responsibilities & Duties

• Participate in applied cryptography research programs, developing and analyzing cryptographic algorithms and protocols.
• Assist the formal methods team in evaluating cryptographic software and systems for functional correctness and security vulnerabilities.
• Solve complex, unsolved technical problems, pushing the boundaries of modern cryptographic techniques.
• Collaborate with security researchers, mathematicians, and software engineers to integrate cryptographic solutions into real-world applications.
• Develop and optimize cryptographic implementations for security, performance, and scalability.
• Stay ahead of emerging threats and contribute to continuous improvements in cryptographic security.
• Document research findings, cryptographic designs, and security analyses for internal and external use.
• Work in a small team setting, where you will have an outsized impact on research direction and execution.

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.
• 3-5 years of experience in cryptographic algorithm design and protocol development, including proficiency in several of the following:
• Standard public key algorithms
• Symmetric key ciphers and encryption modes
• Cryptographic hash functions
• Proficiency in at least one functional or imperative programming language (e.g., Python, C/C++, Rust, or Java).

Nice If You Have

• Experience with advanced cryptographic techniques, including:
• Zero-knowledge proofs
• Secure multiparty computation
• Post quantum/quantum-resistant cryptography
• Fully homomorphic encryption
• Publication history in cryptography research journals or conferences.
• Familiarity with formal verification techniques for cryptographic systems.
• Exposure to functional programming concepts (higher-order functions, monads, type classes, etc.).
• Strong mathematical foundation, including number theory, linear algebra, and combinatorics

Security Clearance:

• Active Top Secret Clearance with the ability to obtain SCI

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