CloudLinux is the maker of Imunify360 — a suite of security products protecting millions of websites across the web hosting industry. Our email security line covers both sides of the email problem for hosting providers: an inbound anti-spam engine integrated with hosting control panels, and an outbound SMTP gateway that protects sender reputation and keeps legitimate mail out of the spam folder.
We are looking for a Product Owner to run the team that builds and operates this product line. You will lead a small, senior, fully remote squad (currently 7–8 people: Go and Python engineers, a deliverability engineer, an anti-spam engineer, and data analysis/annotation) and be accountable for what the team ships, how reliably it runs, and how the people on it grow.
This is a hands-on lead role , not a pure people-management role. Expect roughly 60% leadership (delivery, technical direction, coaching, incident command) and 40% hands-on engineering (design reviews, code review, spikes, production debugging). If you have led engineers in an adjacent technical domain — infrastructure, networking,



security, messaging, anti-abuse — and have a track record of getting deep into complex technical territory fast, we will teach you the email side.

Outbound gateway: a Halon-based SMTP relay with per-domain warm-up ladders, rate limiting, quarantine, feedback-loop (ARF) processing, and a customer portal — Go services on bare metal.
Panel integrations: cPanel/WHM, Plesk, DirectAdmin, plus Debian/Postfix deployments for large hosting partners.
Data plane: Elasticsearch, Redis, Grafana dashboards and alerting, corpus and annotation pipelines feeding model training.
Delivery: GitLab, Jenkins, Jira, weekly release cadence, blameless post-mortems within 24 hours.

Turn the product backlog into a credible, sequenced engineering plan — estimates, dependencies, and a release train the team actually hits.
Own engineering quality gates for model releases: no detection model ships without a measu

📌 Product Owner (España)
🏢 CloudLinux
📍 España