Cyber Security Researcher

5 days ago


Tel Aviv, Tel Aviv, Israel Blockaid Full time ₪90,000 - ₪120,000 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 top-tier global investors including Sequoia Capital, Ribbit Capital, and Cyberstarts—firms known for supporting the most innovative and influential companies in technology and cybersecurity.

As a Security Researcher at Blockaid, you will be responsible for leading in-depth research into emerging blockchain threats and vulnerabilities and developing real-time detection and mitigation capabilities in close collaboration with our engineering and product teams.

Your Chain of Impact:

  • Drive deep technical research into blockchain protocols, smart contracts, and decentralized applications to uncover novel threats.
  • Identify and analyze vulnerabilities, exploits, and attack vectors across Web3 ecosystems.
  • Build detectors, heuristics, and models; collaborate with engineering to integrate them into our real-time on-chain exploit detection system.
  • Design PoC exploits and simulations to validate hypotheses and harden detections.
  • Continuously track emerging threats, technologies, and best practices and translate insights into platform improvements.

Requirements:

Your Chain of Strengths:

  • 5+ years in security research with a strong track record of practical results.
  • 3+ years of hands-on Python, including building research tooling and prototypes.
  • Advanced SQL skills; comfortable writing complex queries on large datasets.
  • Deep understanding of network protocols and traffic analysis.
  • Analytical problem-solver with pattern-finding instincts and clear written/verbal communication.
  • Bonus: Practical blockchain/smart contract security experience, relevant cryptography fundamentals, and comfort solving data-driven challenges.

Applicants must have the legal right to work in the country where the position is based, without the need for visa sponsorship. This role does not offer visa sponsorship.

Blockaid is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected by law.



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

    Guardio is on a mission to redefine consumer cybersecurity for the modern internet.We operate at consumer scale, protecting millions of people every day across devices, accounts, and digital touchpoints. In a world where phishing, fraud, and AI-powered scams evolve overnight, Guardio stays ahead of the curve.We move fast, think deeply, and build with...

  • Security Researcher

    5 days ago


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

    DescriptionUpwind is a next-generation Cloud Security Platform that leverages runtime context to identify and prioritize critical risks, providing precise insights and efficient cloud security management. Unlike traditional tools, Upwind uses runtime data proactively for risk prioritization and posture insights, ensuring teams focus on what truly matters....


  • Tel Aviv, Tel Aviv, Israel White Hat (an EPAM company) Full time ₪90,000 - ₪120,000 per year

    White Hat, part of the EPAM group, is a leading cyber intelligence and offensive security company that leverages an attacker's perspective to shape innovative, proactive defence strategies. White Hat delivers strategic and technical expertise, empowering enterprise clients to transform from reactive defences to resilient security postures. Cyber threats are...

  • Security Researcher

    2 weeks ago


    Tel Aviv, Tel Aviv, Israel SAM Seamless Network Full time ₪104,000 - ₪130,878 per year

    About the Role:We are seeking an experienced and curious Network & Security Researcher to join our growing teamIn this role, you'll dive deep intonetwork traffic analysis, cyber-attack techniques, and IoT vulnerabilities, developing advanced detection methods and firewall policies that protect millions of connected devices worldwide.This is an exciting...

  • Security Researcher

    2 days ago


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

    What you'll do:Step into the world of cyber adversaries and become Cynet's secret agent against malware. You'll investigate real attack techniques, analyze malicious behavior, and transform that knowledge into powerful detection methods that protect thousands of organizations worldwide.How you'll make an impact:Your research will sit at the heart of Cynet's...

  • Security Researcher

    1 week ago


    Tel Aviv, Tel Aviv, Israel Astrix Security Full time ₪60,000 - ₪120,000 per year

    We're looking for a passionate and curiousSecurity Research Studentto join our Research team at Astrix. This is a unique opportunity to explore cutting-edge technologies in the emerging domain ofNon-Human Identity (NHI) Security, working alongside experienced researchers in cybersecurity, cloud, and AI.About the role:Conduct in-depth security research on...

  • Security Researcher

    1 week ago


    Tel Aviv, Tel Aviv, Israel Astrix Security Full time ₪60,000 - ₪80,000 per year

    We're looking for a passionate and curious Security Research Student to join our Research team at Astrix. This is a unique opportunity to explore cutting-edge technologies in the emerging domain of Non-Human Identity (NHI) Security, working alongside experienced researchers in cybersecurity, cloud, and AI. About the roleConduct in-depth security research on...

  • Security Researcher

    5 days ago


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

    About UsOligo is a rapidly growing startup headquartered in Tel Aviv, leading the way in reshaping Application Security. With a strong investment from top-tier VCs including Greenfield Partners, Red Dot Capital Partners, Lightspeed, Ballistic Ventures, and TLV Partners, we are developing a unique solution to address application security challenges, mainly...

  • Security Researcher

    3 days ago


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

    Dream is a pioneering AI cybersecurity company delivering revolutionary defense through artificial intelligence. Our proprietary AI platform creates a unified security system safeguarding assets against existing and emerging generative cyber threats. Dream's advanced AI automates discovery, calculates risks, performs real-time threat detection, and plans an...


  • Tel Aviv, Tel Aviv, Israel Cybellum Full time ₪120,000 - ₪240,000 per year

    Who You AreYou are aseasoned Cyber Security Engineerwith a passion for tackling complex technical challenges and a proven track record in building scalable, secure systems. With6+ years of experiencein cybersecurity and a strong background inPython development on Linux, you combine analytical depth with hands-on execution. You thrive in environments where...