Security Engineer Jobs in 2026
Security engineer, penetration tester, AppSec, and DevSecOps roles. Protect systems and data at leading companies.
Security Operations Analyst
Hedera Hashgraph is looking to hire a Security Operations Analyst to join their team. This is a full-time position that is 100% remote with no geographical restrictions. Work remotely from anywhere.
Hedera Hashgraph - An open-source, all-in-one SDK that makes it easy to build stablecoin apps using...
Senior Blockchain Security Engineer – Ecosystem
About ZetaChain
We’re building something ambitious at ZetaChain: the first universal blockchain that connects everything—Bitcoin, Ethereum, every chain. We’re backed by top investors, live on mainnet, and building the future of blockchain technology. If you’re excited about working on big, meani...
Business Operations & Strategy Manager
About Extsy
Extsy is revolutionizing the trading experience by placing users at the heart of our platform. We’ve integrated cutting-edge AI and lifestyle apps, with easy-to navigate trading tools, to deliver real-world utility through an intuitive, user-friendly interface. Our mission is to empo...
Treasury Manager (Crypto Exchange)
We’re looking for a Treasury Operations Manager to be the nerve centre of our capital flows - ensuring liquidity is always in the right place, at the right time.
You’ll oversee the movement of funds across wallets, exchanges and liquidity providers, keeping capital secure yet accessible, while mini...
(Founding) Full-Stack Lead - AI/Blockchain Platform
Type: Full-time in-person Sydney (AU); or, remote Bay Area (US) – office opening soon
Experience: 7+ years, Senior+/Principal/Architect
Compensation: Competitive equity/token + salary
About wh-ai
wh-ai is building the future of knowledge, enabling collaboration of both experts and AI. Our rev...
Smart Contract Engineer
Aragon is a team of 24 people that spans a broad range of backgrounds, interests, and geographies. We’re entrepreneurs, technologists and skeptics, troublemakers and problem solvers, who are building unstoppable tooling for the creation and management of Onchain Organizations. Our mission is to enab...
Security Engineer
About the role:
Injective is seeking a Security Engineer to help strengthen and future-proof the security of our blockchain ecosystem and core infrastructure. This role blends hands-on security engineering with proactive research — you’ll identify and mitigate vulnerabilities, run offensive secu...
Product Manager - Web3 & Blockchain
Blockaid is looking to hire a Product Manager - Web3 & Blockchain to join their team. This is a full-time position that is based in Tel Aviv.
Blockaid - The onchain security platform.
Senior Software Engineer - Crypto Trading Infrastructure
About Us
We are a dynamic hedge fund specializing in cryptocurrency arbitrage strategies. Our proprietary platform aggregates order books from centralized exchanges (CEXs) like Binance and decentralized exchanges (DEXs) like Uniswap to identify and execute high-frequency trading opportunities. W...
Junior Backend Engineer
About CoW DAO
CoW DAO is on a mission to protect Ethereum users from MEV and optimize trade execution across DeFi. We achieve this through the CoW Protocol, CoW Swap (a leading intent-based DEX aggregator), and the innovative MEV Blocker, which together help secure, aggregate, and route trades f...