Security Engineer

Jito Labs is building the future of high-performance distributed systems on Solana. We're the team behind Jito-Solana, the leading MEV Solana client, and the Jito Block Engine, which has revolutionized block building on Solana. Today, Jito-Solana currently runs on 93% of stake and 1,100 validators, producing an additional $1B of revenue for stakers and validators on the network.

At Jito Labs, you'll work alongside a small, nimble group of engineers and operators passionate about solving complex technical challenges at the cutting edge of Solana trading and infrastructure. As a small, profitable company with product-market-fit, we're uniquely positioned to tackle ambitious technical challenges while maintaining our startup speed. Our team culture emphasizes:

- High Agency: Every team member drives significant technical decisions and shapes our product roadmap.

- Fast Execution: We ship rapidly and iterate based on real-world feedback: progress, not motion.

- Technical Excellence: We tackle complex problems with elegant, scalable solutions.

- Sustainable Growth: Strong financials and proven market fit enable us to focus on long-term impact.

If you're excited about:

-Creating and maintaining security systems 

-Securing consensus mechanisms

-Solving complex security problems that protect decentralized systems, assets and user privacy

-Developing or improving security auditing tools to help identify vulnerabilities in code before deployment

-Creating new ways to make transactions more private and secure while still allowing for auditability and compliance when necessary

We want to hear from you.

We're not just building tools - we're architecting the future of high-performance distributed systems. Our work directly impacts Solana's ecosystem, enabling a faster network, better capital efficiency, and more robust DeFi applications for millions of users.

We offer competitive compensation, significant equity, and the opportunity to work on problems that matter. Don't just watch the future of blockchain unfold—help us build it.

Jito Labs is seeking a highly skilled Security Engineer to ensure the security and integrity of the future of decentralized finance on Solana. In this role, you will safeguard our systems, networks, and data from potential threats. The ideal candidate will have expertise in identifying and protecting against vulnerabilities, implementing security measures, including key and access management, building operational resilience of technological systems, and responding to security incidents in blockchain security. You will collaborate with cross-functional teams to ensure the security of both our infrastructure and applications. We would love to hear from you if you have a passion for cybersecurity, a strong technical background, and a proactive mindset! 

Responsibilities

• Enhance security protocols to ensure alignment with industry standards, regulatory requirements, and best practices
• Create, implement, and deploy strong security architectures and strategies to strengthen systems and networks against cyber threats
• Perform in-depth risk assessments, threat modeling, and vulnerability analyses to proactively detect and mitigate potential security weaknesses
• Manage and execute the deployment of security measures, including encryption, firewalls, intrusion detection systems, and access control mechanisms via MDM
• Lead ongoing improvement efforts to strengthen security procedures and response effectiveness, proactively addressing emerging threats
• Collaborate with development teams to integrate security measures in the software development lifecycle

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Cybersecurity, or a related field
• 3+ years of experience in blockchain security or cybersecurity roles
• Proficiency in programming languages such as Rust
• Strong understanding of cryptographic principles, key management, and consensus algorithms
• Experience with smart contract auditing tools
• Knowledge of security frameworks, vulnerabilities, and exploits in blockchain ecosystems
• Hands-on experience in threat modeling, penetration testing, and security incident response
• Strong analytical, problem-solving, and communication skills

Nice to Have:

• Familiarity with Web3 technologies, DeFi
• Worked at a <50 person startup