Overview

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.

Responsibilities:
  • Turn the product backlog into a credible, sequenced engineering plan — estimates, dependencies, and a release train the team actually hits.
  • Run the team's weekly cadence: planning, release readiness, status reporting with real numbers rather than adjectives.
  • Own engineering quality gates for model releases: no detection model ships without a measured catch rate and false-positive deltas against the previous model, and a rollback path.
  • Keep technical debt visible and funded — negotiate it into the roadmap rather than absorbing it silently.
  • Report delivery status and risk to engineering leadership weekly; every item carries an owner and a due date.
  • Own the architecture of the email stack together with the architecture group: review designs, write and approve ADRs, and make build-vs-buy calls with explicit trade-offs.
  • Review code and designs on the critical path — mail flow, rate limiting, quarantine, authentication — and set the bar for tests, observability, and safe rollout.
  • Own production health: SLOs, alerting, capacity, and the deliverability posture of our sending infrastructure (IP reputation, SPF/DKIM/DMARC, rDNS, RBL listings).
  • Act as incident commander for product-impacting events: coordinate remediation across teams, keep partners informed, and author the post-mortem within 24 hours with named owners and dates.
  • Lead a distributed team across the globe: 1:1s, goal setting, performance reviews, and career development.
  • Hire: define the profile, run technical interviews, onboard, and mentor engineers
  • Set the working agreements that make async work — written decisions, public-by-default communication, durable artifacts over meetings.
Required Qualifications:
  • 5+ years as a software engineer, with 2+ years leading a team of engineers (team lead, tech lead with people responsibility, or engineering manager) in a product company.
  • Strong hands-on Linux background; comfortable reading and reviewing production code in Go and/or Python, and debugging live systems on the box.
  • Track record of shipping and operating a distributed backend service under real production load — you have carried a pager and run incidents.
  • Experience mastering a complex technical domain quickly and making credible architectural decisions in it.
  • Practical fluency with observability and data tooling to judge quality yourself, not via reports (Grafana, Kibana/Elasticsearch, Redash or equivalents).
  • Demonstrated people leadership: 1:1s, performance conversations, hiring, and growing engineers.
  • Experience working in an agentic / AI-assisted development workflow, or a clear appetite to lead one.
  • Professional proficiency in English, written and spoken.
  • Availability to work EU hours.
Benefits:
  • A focus on professional development
  • Interesting and challenging projects
  • Fully remote work with flexible working hours — schedule your day and work from any location worldwide
  • Paid 24 days of vacation per year, 10 days of national holidays, and unlimited sick leave
  • Compensation for private medical insurance
  • Co-working and gym/sports reimbursement
  • Budget for education
  • The opportunity to receive a reward for the most innovative idea that the company can patent
Nice To Have:
  • Working knowledge of email infrastructure: SMTP, SPF/DKIM/DMARC, rDNS, IP reputation and warm-up, RBLs, feedback loops.
  • Experience with open-source mail stacks — Rspamd, SpamAssassin, Postfix, Exim, Halon — or the web hosting ecosystem (cPanel/WHM and other control panels).
  • Exposure to the ML model lifecycle: training data quality, evaluation metrics, and the trade-offs in tuning detection systems.
  • Experience running incident and escalation management with external partners.
  • Leadership
  • Coaching
  • Incident Command
  • Architecture Design
  • Code Review
  • Production Debugging
  • Hiring
  • Team Management
  • Async Communication
Technologies:
  • Go
  • Python
  • Linux
  • Rspamd
  • Halon
  • SMTP
  • cPanel/WHM
  • Plesk
  • DirectAdmin
  • Debian
  • Postfix
  • Elasticsearch
  • Redis
  • Grafana
  • GitLab
  • Jenkins
  • Jira
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