Expression of Interest

Don't see a role that fits? We'd still love to hear from you.

Sigma Prime is a remote-first team building and securing critical infrastructure across the Ethereum ecosystem. Founded in Sydney, Australia, our team now works remotely from around the world.

Alongside security assessments and protocol research, we build and maintain production infrastructure, including Lighthouse, one of the most widely used Ethereum consensus clients, Bombora, our Ethereum block builder, Anchor, an implementation of the SSV protocol, and Secstant, our security tooling platform.

We value people who are curious, collaborative, and generous with their knowledge, who enjoy solving difficult technical or operational problems.

If you think you'd be a good fit, we'd love to hear from you. We review expressions of interest on a rolling basis and will reach out if a suitable opportunity comes up.