Lead Site Reliability Engineer - Imunify Reliability Platform (remote-only)

The problem you'd ownImunify360 is a multi-layer Linux server security suite — WAF, IDS/IPS, malware scanning and cleanup, proactive defence, patch management, reputation — running as an agent on hundreds of thousands of customer servers, backed by a cloud estate of scanning, correlation and signature-delivery services on our own bare metal.Roughly 70 components currently ship without a defined service level indicator. Some are internal services we can scrape. Many are agent-side subsystems running on machines we do not own, reporting through a heartbeat we designed for something else. There is monitoring, and there are dashboards, and there is no coherent answer to the question "is this component doing its job right now, and how would we know if it stopped?".We know the cost of that gap precisely, because we recently paid it: a security control was silently disabled across a large fraction of the fleet for 61 days. Every dashboard was green. The telemetry reported a ruleset version but not whether the control that consumed it was switched on, so a configuration change was indistinguishable from a broken updater. Three independent safety mechanisms existed and all three were gated ... Click Apply to read the full job description.