Senior Firefox Security Engineer — Remote

n8n GmbH is hiring two Security Engineers to identify and reduce security risks across our product and internal systems, leveraging threat modelling, hands-on security expertise, and cross-functional collaboration. You will partner with engineering, cloud, IT, and data teams to embed security into development, review designs, and drive proactive security...

Mozilla Corporation is seeking a Senior Software Engineer to advance Firefox security. You will design, implement, and ship security features for enterprise users, contribute to Firefox security architecture across multiple OS, and collaborate with cross-functional teams. You’ll bring 3+ years in low-level software, strong C/C++, knowledge of security...

MatchPoint Solutions is seeking a Senior Network Security Engineer for a 100% remote role. You will monitor security events, respond to incidents, and tune security tooling to support clients across various industries. Candidates should have strong SOC experience, scripting for monitoring/alerting, and familiarity with AWS workflows, CI/CD, and GitHub in...

Lever, Inc. is seeking an experienced Offensive Security Engineer based in Spain to join a hands-on security team. You will simulate sophisticated attacks across cloud compute, storage, networking, and AI infrastructure, contributing to scalable red team programs and security research. You will work with detection and security engineering teams to validate...

Ledn is seeking a Senior Security Engineer & CISO (Spain) to fortify our product, cloud, and software delivery security. You will lead hands-on security work across AWS, Cloudflare, and GitHub workflows, while also serving as the Ledn Spain entity’s CISO. The role requires collaboration with engineering, risk, and compliance teams in a regulated...

Jobgether SRL is seeking a senior Platform Security Engineer to enhance cloud security, platform reliability, and secure engineering practices in a fully remote European setup. You will join a platform engineering team focused on reliable infrastructure and developer experience, designing secure-by-default workflows and protecting sensitive data across...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Platform Security Engineer based in Spain. We are looking for a senior Platform Security Engineer to strengthen cloud security, platform reliability, and secure engineering practices in a fully remote European environment. In this...

Senior Network Security Engineer MatchPoint Solutions is a fast-growing, young, energetic global IT-Engineering services company with clients across the US. We provide technology solutions to various clients like Uber, Robinhood, Netflix, Airbnb, Google, Sephora, and more! More recently, we have expanded to working internationally in Canada, China, Ireland,...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for an Offensive Security Engineer based in Spain. Join a hands-on offensive security team working at the frontier of cloud infrastructure and AI. In this role, you’ll simulate sophisticated attacks against the same systems customers...