About Kaseya 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.Senior Systems Engineer (Linux Isolation & Networking)Why Kaseya?Join a fast-growing company that's transforming the IT industry. At Kaseya, you'll have the opportunity to work with cutting-edge technology, collaborate with a dynamic team, and develop your career in a highimpact role. Join the Kaseya growth rocket ship and see how we are #ChangingLives!Job SummaryWe're hiring a Senior Systems Engineer to build the process-isolation, sandboxing, and network-interception infrastructure supporting the Kaseya Intelligence Platform. This is a hands-on systems role operating at the Linux, networking, and process boundary rather than the application layer. You'll own complex platform components from design through production, helping ensure automation and agentic AI workloads remain isolated, secure, observable,



and reliable in multi-tenant environments.Roles & ResponsibilitiesDesign, build, and operate a per-workload sidecar proxy that intercepts outbound API traffic and applies authentication, credential, compliance, and audit controlsImplement process-isolation controls using Linux namespaces, cgroups, separate user identities, ptrace restrictions, protected memory, and secure credential cleanupEvaluate and implement language-independent sandboxing approaches using gVisor, Firecracker, WebAssembly runtimes, micro virtual machines, or Unix domain socketsBuild infrastructure that enforces workload and customer boundaries across isolated execution environments and Temporal namespacesIntegrate workload identity and attestation capabilities using SPIFFE, SPIRE, or similar technologiesImplement secure workload startup sequencing, including KMS access, OAuth token preparation, network-rule installation, and readiness signallingImprove the performance, observability, reliability, and failure recovery of the execution and isolation layersPartner with Platform, Security, and Backend Engineering teams on system design, production troubleshooting, and long-term reliability improvementsRequired Qualifications5+ years of systems engineering or software engineering experience building production infrastructure, runtime, or platform servicesExperience developing production systems using Go, Rust, C,



or C++Experience working with Linux internals, including namespaces, cgroups, netfilter or iptables, sockets, and process lifecycle managementExperience implementing or operating at least one sandboxing or workload-isolation technology, such as gVisor, Firecracker, WebAssembly, containers, or micro virtual machinesExperience building networking systems involving TCP/IP, transparent proxying, or TLS termination and originationPreferred QualificationsExperience using Go or Rust for systems-level or infrastructure developmentExperience building or operating multi-tenant container, sandbox, or virtual-machine isolation infrastructureExperience with SPIFFE, SPIRE, or another workload identity and attestation frameworkExperience integrating AWS KMS, Azure Key Vault, GCP Cloud KMS, or similar key-management servicesExperience working on endpoint security, EDR, zero-trust networking, or infrastructure security productsExperience with Kubernetes, container-runtime internals, or managed container platformsExperience with Temporal or another durable workflow execution platformAdditional InformationKaseya provides equal employment chance to all employees and applicants without regard to race, religion, age, ancestry, gender, sex, sexual orientation, national origin, citizenship status, physical or mental disability, veteran status, marital status, or any other characteristic protected by applicable law.Additional information Kaseya provides equal employment opportunity to all employees and applicants without regard to race, religion, age, ancestry, gender, sex, sexual orientation, national origin, citizenship status, physical or mental disability, veteran status, marital status, or any other characteristic protected by applicable law.

📌 Senior Systems Engineer (Linux Isolation & Networking) (Toronto)
🏢 Kaseya
📍 Toronto