Blockchain Security Architect

7 days ago

Tel Aviv, Tel Aviv, Israel LightCore Full time $120,000 - $200,000 per year

Location:
Israel

Employment Type:
Full-Time

Department:
Security Architecture & Engineering

About LightCore

LightCore is a global leader in risk assessment and mitigation for the cryptocurrency and blockchain sectors. We partner with financial institutions, government agencies, and private investors to navigate the complexities of digital assets through a combination of advanced technology, regulatory insight, and strategic foresight.

By delivering actionable intelligence and secure solutions, we empower our clients to operate confidently, remain compliant, and stay ahead in a rapidly evolving digital economy.

Position Overview

We are seeking an experienced
Blockchain Security Architect
to join our growing global team. This role is critical to the development and implementation of secure blockchain infrastructure, protocols, and operations. You will collaborate with multidisciplinary teams to design and apply robust security frameworks across DeFi platforms, digital asset custody, staking systems, and blockchain-based applications.

The ideal candidate brings a strong foundation in cybersecurity, hands-on blockchain experience, and a forward-thinking mindset focused on both risk prevention and scalable architecture.

Key Responsibilities

  • Lead technical and security evaluations of new blockchain protocols, coins, and digital asset infrastructures.
  • Conduct risk assessments across blockchain applications, including staking, DeFi, and custody services.
  • Design and enforce secure architecture standards and best practices across blockchain-related products and platforms.
  • Implement and manage secure operational frameworks for digital asset custody, including both software and hardware components.
  • Build secure computing environments from the ground up, applying advanced security configurations and policies.
  • Develop comprehensive operational and physical security policies for custody solutions.
  • Design and maintain on-chain monitoring tools and incident response playbooks tailored to blockchain-specific events.
  • Lead the creation and refinement of risk management frameworks in coordination with cross-functional stakeholders.

Qualifications

  • Minimum 3 years of professional experience in cybersecurity, including roles in security architecture, security engineering, or cloud security.
  • Minimum 3 years of direct experience working with blockchain technologies such as consensus algorithms, decentralized exchanges (DEXs), bridges, oracles, and wallets.
  • Strong understanding of blockchain security architecture and cryptographic principles.
  • Experience with both custodial and non-custodial wallet frameworks and related security models.
  • Proficiency in securing cloud environments, preferably Microsoft Azure, using cloud-native tools and zero-trust frameworks.
  • Demonstrated ability to assess and mitigate complex technical risks in blockchain environments.
  • Excellent collaboration, communication, and stakeholder engagement skills.
  • Ability to work independently in a fast-paced, remote-first environment.

Why Join LightCore

  • Contribute to building secure, resilient blockchain infrastructure that supports clients at scale.
  • Work alongside experts in cybersecurity, blockchain, regulatory compliance, and risk management.
  • Be part of a mission-driven, global organization focused on innovation and integrity.
  • Gain exposure to high-impact projects across the public and private sectors.

Interested in shaping the future of secure blockchain ecosystems?

Apply today to join LightCore as a Blockchain Security Architect and make a lasting impact in one of the most dynamic areas of technology and finance.

  • Tech Lead, Blockchain

    1 week ago

    Tel Aviv, Tel Aviv, Israel Fireblocks Full time $150,000 - $200,000 per year

    The world of digital assets is accelerating in speed, magnitude, and complexity, opening the door to new ways for leveraging the blockchain. Fireblocks' platform and network provide the simplest and most secure way for companies to work with digital assets and it trusted by some of the largest financial institutions, banks, globally-recognized brands, and...

  • Senior Backend Developer, Blockchain

    1 week ago

    Tel Aviv, Tel Aviv, Israel Fireblocks Full time $150,000 - $200,000 per year

    The world of digital assets is accelerating in speed, magnitude, and complexity, opening the door to new ways for leveraging the blockchain. Fireblocks' platform and network provide the simplest and most secure way for companies to work with digital assets and it trusted by some of the largest financial institutions, banks, globally-recognized brands, and...

  • Senior Information Security Architect

    1 week ago

    Tel Aviv, Tel Aviv, Israel Fireblocks Full time $150,000 - $200,000 per year

    The world of digital assets is accelerating in speed, magnitude, and complexity, opening the door to new ways for leveraging the blockchain. Fireblocks' platform and network provide the simplest and most secure way for companies to work with digital assets and it trusted by some of the largest financial institutions, banks, globally-recognized brands, and...

  • Principal Architect

    3 days ago

    Tel Aviv, Tel Aviv, Israel Salt Security Full time ₪70,000 - ₪120,000 per year

    Salt Security is the original API Security vendor, pioneering the market as the first vendor in 2018. Since then, we have exhibited hyper-growth in a number of customers, threats have stopped, and revenue. We saw API security as the security battleground of the future years ago, as APIs started to form the foundation of the application innovation needed to...

  • Security Architect

    1 week ago

    Tel Aviv, Tel Aviv, Israel Moveo Group Full time $125,000 - $175,000 per year

    Security ArchitectWe areWe are a security services company composed of technical experts with extensive hands-on experience. We act as trusted advisors to our clients, offering independent, objective and custom-tailored consultation. Our team is dedicated to helping customers through every stage of their cybersecurity journey, from strategic planning and...

  • DevOps Architect

    1 week ago

    Tel Aviv, Tel Aviv, Israel Token Security Full time $104,000 - $130,878 per year

    Job DescriptionAbout the RoleToken Security is seeking aPrincipal DevOps Engineer/DevOps Architectto be thefounding DevOps hire. This person will define the infrastructure strategy, build scalable systems, and establish the foundations for security, reliability, and developer productivity. Unlike a typical senior DevOps role, this position requires a...

  • Senior Full-Stack Engineer, Security

    1 week ago

    Tel Aviv, Tel Aviv, Israel Fireblocks Full time ₪90,000 - ₪120,000 per year

    The world of digital assets is accelerating in speed, magnitude, and complexity, opening the door to new ways for leveraging the blockchain. Fireblocks' platform and network provide the simplest and most secure way for companies to work with digital assets and it trusted by some of the largest financial institutions, banks, globally-recognized brands, and...

  • Senior Full-Stack Engineer, Security

    1 week ago

    Tel Aviv, Tel Aviv, Israel Fireblocks Full time ₪90,000 - ₪120,000 per year

    The world of digital assets is accelerating in speed, magnitude, and complexity, opening the door to new ways for leveraging the blockchain. Fireblocks' platform and network provide the simplest and most secure way for companies to work with digital assets and it trusted by some of the largest financial institutions, banks, globally-recognized brands, and...

  • Cyber Security Architect

    2 days ago

    Tel Aviv, Tel Aviv, Israel Experis Israel Full time $104,000 - $130,878 per year

    A leading company is hiring a Cyber ArchitectRole Responsibilities:Conduct periodic reviews of cybersecurity systems and controlsReview system configurations and compare them to industry best practicesMaximize the use of features in existing systemsIdentify gaps and detect vulnerabilities in current systemsPerform monitoring and risk analysisGuide secure...

  • Security Researcher

    1 week ago

    Tel Aviv, Tel Aviv, Israel Blockaid Full time $104,000 - $130,878 per year

    Blockaid is redefining trust in blockchain through advanced, integrated security. Our on-chain security platform is trusted by leading Web3 companies—including Coinbase, MetaMask, Uniswap, Backpack, Stellar, and others—to detect, understand, and automatically prevent or minimize the impact of fraud, scams, hacks, and financial threats.We are backed by...