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A seamless extensible network for machine authentication & identity

Applied Cryptographer / SW Security Lead

$90k – $130k • 0.1% – 0.5%
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About Gradient:

Gradient Technologies® is a Cambridge, MA based venture backed startup developing a secure and privacy-preserving distributed system based on silicon root of trust and anonymous attestation. Our target platforms span from cloud-scale computing and storage, to the simplest of connected devices. Gradient is truly full stack: we’ve built our own secure processor architecture based upon over a decade of work at MIT and elsewhere. Combined with low level software security measures that enforce authenticity and integrity of information continuously, and a novel key management architecture - we achieve strong security and privacy guarantees with minimal overhead; it’s no longer a choice between security and collaboration - Gradient technologies provide for both.

At Gradient we see a world in which the authenticity and integrity of every electronic device, the software it operates, data it stores and computes, and information itself, are provable qualities by construction.

Gradient’s current team includes cryptographers and engineers from MIT, Berkeley, Columbia, the NSA, Apple and AMD.

What You’ll Do

Our Software Security Lead builds and oversees all cryptographic primitives and their use at chip, system and network levels. You’ll play a critical role leading security architecture specifications and development, threat modelling, and security analysis. You will work closely with the hardware and software teams from prototype of full system hardware and software elements, within emulation and simulation environments, through production environment.


  • PhD or Masters in Computer Science, Applied Mathematics, Cryptography or related field, specific expertise in public/private key mechanisms.
  • Minimum six years of experience in this field.
  • Deep experience in systems/network security, secure protocol design, and applied cryptography.
  • Experience in hands-on design of low-level security systems, combining on chip hardware, firmware and software.
  • Embedded security use cases, root of trust, secure boot, secure OS, and anonymous attestation.
  • Knowledge of hardware security, tamper resistance, side-channel attacks, anti-cloning, and PUFs.
  • Algorithms and cryptographic primitives (MACs, Block Ciphers, Stream Ciphers, Signatures, Encryption).
  • Security Protocols (TLS, IPSEC, etc.) and standards.
  • Formal methods, universal composability and other analysis techniques a plus.

Gradient at a glance

A seamless extensible network for machine authentication & identity

Gradient focuses on Internet Infrastructure, Enterprise Security, Internet of Things, and Distributed Systems. Their company has offices in Boston. They have a small team that's between 1-10 employees.

You can view their website at http://www.gradient.tech

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