Horizon3 uses real-world attacks to safely show what attackers can actually do in your environment—so you can fix and prove what matters. Backed by NEA.
About the role
We are looking for a Staff Platform Engineer to join Horizon3’s Internal Platform Team (IPT) and shape the cloud and delivery foundations behind NodeZero. You will lead complex, cross-team initiatives; define platform direction; improve developer workflows; and establish standards that make our systems secure, reliable, and easier to operate. This is a hands-on technical leadership role for an engineer who enjoys solving ambiguous problems and building reusable platform capabilities.
What they're looking for
- 8+ years in platform engineering, infrastructure engineering, SRE, DevOps, or software engineering with substantial production-platform ownership
- Deep experience designing and operating cloud platforms, preferably AWS
- Strong Kubernetes experience, including production operations, networking, reliability, and troubleshooting
- Strong infrastructure-as-code and automation experience with Terraform, Crossplane, or comparable tools
- Experience operating CI/CD and delivery infrastructure
- Strong understanding of IAM, secrets, networking, ingress, and least privilege
More about this role
Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find and fix and verify exploitable attack vectors before criminals exploit them. Our flagship product, the NodeZeroTM platform, delivers production-safe autonomous pentests and other key assessment operations that scale across the largest internal, external, cloud, and hybrid cloud environments. NodeZero has been adopted by organizations of all sizes, from small educational institutions to government agencies and Global 100 enterprises. It is used by ITOps/SecOps teams, consulting pentesters, and MSSPs and MSPs.
We are a fusion of former U.S. Special Operations cyber operators, startup engineers, and formerly frustrated cybersecurity practitioners. We're committed to helping solve our common security problems: ineffective security tools, false positives resulting in alert fatigue, blind spots, "checkbox” security culture, cybersecurity skills shortage, and the long lead time and expense of hiring outside consultants. Collectively, we are a team of learn it alls, committed to a culture of respect, collaboration, ownership, and results.
We are looking for a...
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