Top global companies are hiring skilled defenders from anywhere in the world. Remote cybersecurity jobs offer more than flexibility, they open doors to high-impact work, global teams, and cutting-edge challenges. Here are some open opportunities. Apply Now.
Senior Infrastructure Security Engineer Canonical at Matter Labs
Hiring Company: Matter Labs
Join Matter Labs as a Senior Security Engineer (Infrastructure) and play a critical role in securing the infrastructure that powers zkSync. You’ll work across cloud, application, and systems layers to build and maintain robust defenses. Partnering closely with DevOps, engineering, and protocol security to embed security into everything we ship. This role is ideal for someone who thrives in high-impact environments, enjoys solving complex technical challenges, and is motivated by the mission of protecting open-source and decentralized infrastructure.
Senior Security Engineer – Incident Response at Mozilla
Hiring Company: Mozilla
Mozilla is looking for an Incident Responder to monitor and mitigate attacks across Mozilla’s products and services. In this position, you will be a part of a flexible team responsible for handling security incidents. You’ll need to have years of practical security experience for detecting and responding to attacks. Most importantly, you will become a critical member of the team responsible for ensuring the integrity of Mozilla’s products and for keeping Mozilla’s users safe, within a company dedicated to building a more secure internet.
Senior Web Security Engineer, Browser Platform at DuckDuckGo
Hiring Company: DuckDuckGo
Working on the Security Functional Team, you’ll play a pivotal role in ensuring our security capabilities keep pace with our rapid product development, directly protecting our users across all our products. You’ll also maintain incident detection and response capabilities for the company, and work on general security related projects.
Join Our Telegram Channel for Instant Alerts.Security Risk Management Specialist at Canonical
Hiring Company: Canonical
In this role, you will help establish and execute a broad strategic vision for the security risk program at Canonical. You will not only work within the team but also cross-functionally with various teams across the organisation. The team contributes ideas and requirements for Canonical product security, improving the resilience and robustness of all Ubuntu customers and users subject to cyber attacks. Additionally, the team collaborates with our Organisational Learning and Development team to develop playbooks and facilitate security training across Canonical.
Senior Security Operations Engineer at Canonical
Hiring Company: Canonical
We are looking for individuals with engineering and security experience, as well as a history of remarkable achievement. Senior security operations personnel with engineering experience and senior developers with security experience are equally well-suited to this role. Beyond securing Canonical’s digital estate, this position represents a unique opportunity to contribute to the open source ecosystem. Team members may present at industry conferences, share threat intelligence with the wider community, or publish open source security software.
Security Engineer at TopQuadrant
Hiring Company: TopQuadrant
TopQuadrant is seeking a Security Engineer with expertise in Java and the Spring Framework to enhance security in enterprise applications. This role involves securing Java-based systems and ensuring compliance with data protection regulations. The ideal candidate will have a strong background in Java development, cybersecurity, and secure application architecture.
Join Our WhatsApp Channel for Instant Alerts.Societal Defense Researcher at Future of Life Organizations
Hiring Company: Future of Life Organizations
This role will focus on disaster preparedness planning for AI-related crises across multiple jurisdictional levels (national, state/provincial, multinational, and alliance-based), vulnerability assessments of critical societal systems, and development of robust governance approaches. The researcher will help identify systemic weaknesses that could be exploited or exacerbated by advanced AI systems and contribute to designing resilience strategies. This requires a broad literacy in the sciences and (both physical and information) technologies. This position offers direct engagement with critical AI safety challenges and opportunities to shape policy responses to emerging risks from increasingly capable AI systems.
Head of Security at Ethena Labs
Hiring Company: Ethena Labs
As the Head of Security, you will lead and own the comprehensive security strategy for our Ethena. You will report to the CTO and collaborate with our Fractional CISO. Functionally you’ll be accountable for all day to day aspects of security, ensuring the protection of our assets, infrastructure, data, personnel, and facilities. This includes cybersecurity, blockchain security, physical security, and operational security.
Web3 Security Triager (AuditAgent & AgentArena) at Nethermind
Hiring Company: Nethermind
We are looking for a hands-on Web3 Security Triager who can evaluate smart contract vulnerabilities found by AI systems, participate in public audit competitions, and help improve our detection quality over time.
Product Manager — AI x Web3 Security at Nethermind
Hiring Company: Nethermind
This role owns product strategy and execution for these products and the next wave of features/products in the same direction (e.g., CI integrations, remediation workflows, benchmarks/evals, agent marketplace mechanics, enterprise offerings).
Bug Bounty Security Researcher at Inspective
Hiring Company: Inspective
We are seeking highly skilled and motivated Bug Bounty Security Researchers to join our team. As a Bug Bounty Security Researcher, you will be responsible for identifying and reporting vulnerabilities in software applications, systems, and networks. Your expertise will help us improve the security of our products and services by discovering and mitigating potential threats.
AI Offense-Defense Dynamics Lead Researcher at Future of Life Organizations
Hiring Company: Future of Life Organizations
In this role, you’ll lead research to decode these offense-defense dynamics, examining how specific attributes of AI technologies influence their propensity to either enhance societal safety or amplify risks. You’ll apply interdisciplinary methods to develop quantitative and qualitative frameworks that analyze how AI capabilities proliferate through society as either protective or harmful applications, producing actionable insights for developers, evaluators, standards bodies, and policymakers to anticipate and mitigate risks.
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