Lead Open Source Security Engineer

Sysdig is seeking a driven software engineer to help advance cloud-native security tooling in Falco, OSS Sysdig, and related libraries. You will contribute as a developer and possibly a maintainer, helping users adopt the projects and fix bugs. The role focuses on releasing software and building modern automation while engaging with the OSS community via...

In the cloud, every second counts. On the leading edge of security, Sysdig stops attacks in real-time by instantly detecting changes in cloud security risk with runtime insights and Falco. Trusted by a large enterprise customer base, we are a well-funded startup, passionate open source enthusiasts at heart, and problem-solvers who are building and delivering...

Qdrant is a remote-first company building the vector search infrastructure for AI applications. We are seeking a Mid-Level Security Engineer to own hands-on security work within our Cloud Engineering team, reporting to the Security Officer, and driving remediation across the product and engineering org.You will triage vulnerability reports, secure code...

Filigran is seeking a Senior Software Engineer who is AI-first and hands-on, capable of driving AI-native engineering across our XTM Foundation. You will experiment with AI coding tools, build guardrails for safe deployment, and work with multiple product teams to embed AI into daily workflows. You will help the organization scale AI practices, contribute to...

Job DescriptionResponsibilities Engineering & Team Leadership Lead, mentor, and develop a distributed team of engineers working on k0s, k0smotron, and related Kubernetes technologies. Establish clear engineering priorities, ownership, and expectations while giving experienced engineers the autonomy to solve difficult problems. Conduct regular 1:1s,...

About Mirantis Mirantis is a Kubernetes-native infrastructure company building software that enables organizations to operate scalable, secure, and portable infrastructure across datacenters, public clouds, edge environments, and AI infrastructure. About Mirantis Mirantis is a Kubernetes-native infrastructure company building software that enables...

Mirantis, Inc. is seeking an Open Source Engineering Lead to inspire and manage a distributed team responsible for k0s and k0smotron. You will drive technical direction, maintain high engineering standards, and engage with the CNCF and Kubernetes communities. The role is hands-on and requires leading engineers, contributing to upstream projects, and...

OpenNebula Systems is hiring a Senior Full-Stack Developer to work on the OpenNebula web interface and its edge computing initiative. You will lead frontend development with opportunities to contribute to backend components, thrive in an autonomous, cross-functional team, and impact a widely used open-source cloud platform.The ideal candidate has strong...

Liferay, Inc. is seeking a backend-focused engineer with strong frontend architecture understanding to join the Frontend Infrastructure team. You will design, build, and optimize backend frameworks, tooling, and delivery pipelines powering the frontend ecosystem, while maintaining robust server-side practices and a broad view of client‑side consumption....