Review smart contracts for decentralized applications, present findings and vulnerabilities, and team up with auditors to review code. Work on proposals to improve code understandability and conduct open-ended research on blockchain technologies. Contribute to OpenZeppelin’s projects and knowledge.

The Cyber Security Engineer will join the InfoSec Detection Team to provide security guidance, threat hunting, and incident response capabilities, as well as enforce security best practices throughout NEC. You will collaborate closely with the Detection Team, Response Team, and Architects within the group, developing and maintaining NEC security posture, in line with government guidance and our accreditations. You will advise on, investigate, and remediate complex security risks and issues across the business.

Enhance the security of EnergyHub's infrastructure and software development lifecycle in this role. This role will be hands-on with our cloud infrastructure and development toolchain and you will get to focus on both strategy and implementation to drive meaningful long-term improvements. Guide best practices for the entire EnergyHub engineering team and build and automate processes to enable fast and secure application delivery.

In this role as L3 Offensive Security Engineer, you will participate in penetration testing and red team activities, as well as bug bounty triage and security automation. You will work alongside other security engineers and collaborate with cross-functional teams to enhance the overall security posture of the company.

As a Staff Network Security Engineer on the Network Security Team, you will focus on designing and engineering secure networking solutions to support ServiceNow’s production environments, including U.S. Federal cloud platforms. You’ll work with modern firewall platforms, VPN solutions, and security automation tools to enhance our global network posture. You’ll contribute to implementation decisions, drive improvements in infrastructure security, and collaborate closely with other infrastructure and security teams to ensure scalable and compliant designs.

As a Senior Cloud Security Engineer at BetterHelp, you’ll join a diverse team of licensed clinicians, engineers, product pros, creatives, marketers, and business leaders who share a passion for expanding access to therapy. You will work with DevOps and Security Engineering to harden our entire cloud infrastructure, ensuring security across all AWS resources.

AbbVie is looking for a talented Senior Cyber Security Engineer to join our Cyber Threat Intelligence team. This new role will focus on designing, building, and automating new components of our secrets discovery program. You will leverage strengths in software development, experience in cyber intel/response and capabilities in data analytics to discover, analyze, validate, and escalate exposed secrets both internally and externally.

As a Senior Software Security Engineer, you will play a critical role in shaping and executing our application and infrastructure security posture, driving secure-by-design practices, threat modeling, and proactive risk mitigation within engineering. This is a hands-on role for someone passionate about building secure systems and influencing security culture across a fast-paced fintech startup.

Responsible for investigating and defending against cybersecurity incidents, including credential theft, phishing attacks, and business email compromise. This entry-level position requires someone passionate and knowledgeable about information and cyber security. You will monitor internal detection systems, analyze potential attack vectors, build relationships with partners and clients, and collaborate across teams to better protect clients.

Seeking an Information Security Engineer with at least 5 years of relevant experience to join our team. The position entails designing and managing the implementation of secure network configurations for server infrastructure, public cloud, and containerized environments. You'll maintain current security tools, manage the implementation and integration of new ones, perform security validation, and implement hardening processes across various systems. Provide IT-staff with support and guidance on secure hardening practices.