Security Architect

Job not on LinkedIn

🕒 January 7

🇺🇸 United States – Remote

⏰ Full Time

🟠 Senior

🔴 Lead

👮‍♂️ Cybersecurity / Security Engineer

🦅 H1B Visa Sponsor

This company has sponsored H1B visas in the past.

👻 Ghost score 26%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Blockstream

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2014

₿ Crypto

🔧 Hardware

🏢 Enterprise

Crypto • Hardware • Enterprise

Blockstream is a global leader in Bitcoin and blockchain technology, building infrastructure and products that support self-custody, enterprise custody, and asset issuance on Bitcoin. Its offerings include the Blockstream App (Bitcoin and Liquid wallets), Blockstream Jade (open-source hardware wallet), Liquid Network (a Bitcoin layer-2 for digital asset issuance), Core Lightning and Greenlight for Lightning payments, AMP APIs, blockchain explorers, and enterprise custody and tokenization solutions. Blockstream focuses on developer tools, open-source protocols, and enterprise-grade solutions to enable secure Bitcoin transactions and financial infrastructure.

📋 Description

• Define and drive security architecture across applications, services, and infrastructure. • Partner with engineering teams to design and implement secure software systems, focusing on backend and data security. • Conduct threat modeling, risk assessments, and security reviews for new and existing products. • Develop and enforce secure coding practices, frameworks, and review processes. • Collaborate with DevOps on cloud and container security, CI/CD hardening, and access controls. • Evaluate and integrate security tools for code scanning, vulnerability management, and incident response. • Guide and mentor engineers on best practices for secure application development. • Stay ahead of emerging security trends, compliance standards, and attack vectors — particularly in fintech and blockchain domains.

🎯 Requirements

• 10+ years of experience in software engineering or security architecture roles. • Strong full-stack background with deep backend security expertise (Python, Go, C/C++, Rust, or similar). • Demonstrated experience designing and securing systems for enterprise fintech, banking, or blockchain environments. • Knowledge of cryptography, authentication, and key management. • Hands-on experience with cloud security (AWS, GCP, or similar). • Familiarity with threat modeling, secure SDLC, and modern application security frameworks (OWASP, NIST, ISO 27001). • Excellent communication skills — able to clearly articulate risks and solutions to both technical and non-technical stakeholders.

🏖️ Benefits

• Stay Safe from Job Scams • Communication from Blockstream will only come from an @blockstream.com email address. • Never ask for sensitive information or purchase equipment during the hiring process.