In today’s rapidly evolving digital landscape, security is no longer an afterthought—it's the foundation. As blockchain technology reshapes finance and identity, securing digital ecosystems has become mission-critical. At OKX, we're not just building a platform; we're pioneering the future of decentralized finance (DeFi), Web3 infrastructure, and secure digital asset exchange. And we need visionary Security Engineers to help protect it.
With over 50 million users across 180+ countries, OKX stands at the forefront of innovation in cryptocurrency and blockchain technology. Our mission is clear: empower individuals worldwide with secure, accessible, and transparent financial tools powered by decentralized systems. To achieve this, we’re expanding our global security team and seeking a Senior Security Engineer to lead the charge in safeguarding our platforms, products, and people.
Why OKX? A Vision Built on Innovation & Inclusion
Since our founding in 2017, OKX has redefined what’s possible in the world of digital assets. We offer one of the most advanced suites of trading tools, wallet solutions, and Web3 gateways in the industry. But beyond technology, we believe in building a culture rooted in diversity, inclusion, and social responsibility.
Our team of more than 3,000 professionals worldwide collaborates across time zones, cultures, and disciplines to drive progress. We invest heavily in employee development through learning programs, wellness initiatives, and real-world impact projects. If you're passionate about shaping the future of finance while working with some of the brightest minds in tech—this is your opportunity.
👉 Discover how you can shape the next era of secure Web3 innovation.
The Role: Senior Security Engineer
We are looking for a hands-on Senior Security Engineer to join our security operations team in San Jose or San Francisco. This role sits at the intersection of engineering excellence and cybersecurity strategy. You'll play a pivotal role in designing, evaluating, and enhancing security controls across our infrastructure, applications, and development lifecycle.
You’ll work closely with product teams, network engineers, systems architects, and software developers to ensure that every layer of our ecosystem remains resilient against emerging threats.
Key Responsibilities
🔐 Security Testing & Vulnerability Management
- Conduct comprehensive security assessments on critical internal and customer-facing services.
- Partner with Security Engineering, Development, and Site Reliability Engineering (SRE) teams to remediate vulnerabilities and strengthen control coverage.
- Proactively identify attack surfaces and recommend mitigations before exploitation occurs.
🛠️ Security by Design
- Embed robust security principles into the software development lifecycle (SDLC).
- Lead threat modeling sessions and architecture reviews with development teams and the Tech Committee.
- Advocate for secure coding practices and provide actionable feedback during design and implementation phases.
✅ Security Control Validation
- Collaborate with compliance teams to integrate standards such as ISO 27001, NIST, CIS, GDPR into system design.
- Validate that deployed security controls effectively reduce risk exposure.
- Ensure alignment between technical implementation and organizational security policies.
What We’re Looking For
To thrive in this role, you must bring both technical depth and strategic insight. Here’s what we expect:
Core Requirements
- 6+ years of professional Information Security experience
- Fluency in English and Mandarin (written and spoken)
- Proven expertise in conducting security testing, penetration testing, and vulnerability assessments
- Strong understanding of cloud platforms (AWS, GCP, Azure) and associated security best practices
Hands-on experience with key security technologies:
- Firewalls, IDS/IPS
- SIEM solutions
- Endpoint protection
- Data Loss Prevention (DLP)
- Cloud Access Security Brokers (CASB)
- Solid grasp of security frameworks: ISO 27001, NIST Cybersecurity Framework, CIS Controls, GDPR
- 3+ years applying compliance standards in production environments with minimal friction
- Ability to articulate the role of security from ideation through deployment in agile development cycles
Nice-to-Have Qualifications
- Passion for cryptocurrency, blockchain, or DeFi ecosystems
- Prior experience in financial services or other highly regulated industries
- Familiarity with smart contract security or Web3 application architecture
Perks & Benefits That Support Your Growth
At OKX, we believe your success is our success. That’s why we offer a holistic package designed to support your career, health, and personal development:
- Competitive total compensation, including base salary, performance bonuses, and long-term incentives
- Learning & Development programs with education subsidies
- Comprehensive healthcare coverage for employees and dependents
- Wellness allowances and meal benefits
- Regular team-building events and global company gatherings
- Flexible work culture that values outcomes over office hours
The salary range for this position is $167,000 – $250,000, depending on experience, skills, and market location. Additional incentives may include equity-based rewards and performance-linked bonuses.
Frequently Asked Questions (FAQ)
Q: Is this role remote or office-based?
A: This position is based in San Jose or San Francisco, with potential flexibility for hybrid work arrangements depending on team needs.
Q: Do I need prior experience in cryptocurrency or blockchain?
A: While direct experience in crypto is not mandatory, a strong interest or background in decentralized technologies is highly valued. We provide onboarding resources to help new hires ramp up quickly.
Q: How does OKX ensure diversity and inclusion in hiring?
A: OKX is committed to equal employment opportunities regardless of race, gender identity, sexual orientation, religion, age, national origin, or disability status. We follow inclusive hiring practices and comply with local regulations like the San Francisco Fair Chance Ordinance.
Q: What does “Security by Design” mean at OKX?
A: It means integrating security early in product development—through threat modeling, code reviews, architecture assessments, and automated testing—so that protection is built-in, not bolted-on.
Q: Are there opportunities for career advancement?
A: Absolutely. We encourage internal mobility and offer structured growth paths in technical leadership, management, and specialized security domains.
👉 Join a team where your expertise shapes the future of digital security.
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These terms reflect high-intent queries from professionals seeking impactful roles at the intersection of cybersecurity and emerging technology.
Ready to Secure the Future?
If you’re ready to take on one of the most challenging—and rewarding—roles in modern cybersecurity, we want to hear from you. As a Senior Security Engineer at OKX, you won’t just defend systems—you’ll help define the next generation of trustless digital infrastructure.
We’re building more than a platform. We’re building a movement toward open, secure, and inclusive finance.
👉 Start your journey with OKX—where innovation meets ironclad security.
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