Staff Systems Engineer

Kaseya is the leading provider of AI-powered IT management and cybersecurity software, serving Managed Service Providers (MSPs) and internal IT organizations worldwide. Our comprehensive platform helps organizations efficiently manage, secure, and automate their IT environments, driving operational efficiency and long-term business success. Backed by Insight Partners , a leading global software investor, Kaseya has experienced sustained double-digit growth and continues to expand its global footprint. Today, Kaseya supports customers in more than 20 countries and manages over 15 million endpoints worldwide. Founded in 2000, Kaseya has built a culture centered around innovation, accountability, and results. We are a high-growth, high-performance organization that values individuals who are driven, adaptable, and committed to delivering exceptional outcomes for our customers and teammates alike. At Kaseya, success comes from embracing challenges, moving with urgency, and continuously raising the bar. Kaseya is looking for an Intelligence Systems Engineer to design and build the low-level process isolation, sandboxing, and network interception infrastructure that powers secure sidecar architecture at scale. This role focuses on Linux systems, networking, process boundaries, and security infrastructure rather than application-layer development. You role is focused, but not limited to: Deep Linux systems experience: iptables/netfilter, process namespaces, cgroups, socket options, Unix domain sockets Experience with at least one sandboxing or isolation technology: gVisor, Firecracker micro VMs, WASM runtimes, or equivalent Strong networking fundamentals: TCP/IP stack, transparent proxying, TLS termination and origination Language-agnostic mindset : you design platforms that other languages run on top of, not systems tied to a single runtime Comfort working close to the OS: memory management, process lifecycle, privilege separation Familiarity with SPIFFE/SPIRE o