--- title: 'Senior Systems Engineer (Linux Isolation & Networking) at Kaseya Careers' canonical: 'https://feeny.ai/job/senior-systems-engineer-linux-isolation-networking-kaseya-careers-toronto-7ce80yc9sp3t' type: 'job' last_seen: '2026-09-06' --- # Senior Systems Engineer (Linux Isolation & Networking) at Kaseya Careers - **Company:** Kaseya Careers - **Location:** Toronto, Canada - **Work type:** remote - **Posted:** 2026-08-27 - **Last confirmed live:** 2026-09-06 - **Apply:** https://www.kaseya.com/careers/jobs/id/6146946004/?gh_jid=6146946004 ## Job description ## 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](https://www.insightpartners.com?utm_source=chatgpt.com), 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 Summary We’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 & Responsibilities - Design, build, and operate a per-workload sidecar proxy that intercepts outbound API traffic and applies authentication, credential, compliance, and audit controls - Implement process-isolation controls using Linux namespaces, cgroups, separate user identities, ptrace restrictions, protected memory, and secure credential cleanup - Evaluate and implement language-independent sandboxing approaches using gVisor, Firecracker, WebAssembly runtimes, micro virtual machines, or Unix domain sockets - Build infrastructure that enforces workload and customer boundaries across isolated execution environments and Temporal namespaces - Integrate workload identity and attestation capabilities using SPIFFE, SPIRE, or similar technologies - Implement secure workload startup sequencing, including KMS access, OAuth token preparation, network-rule installation, and readiness signalling - Improve the performance, observability, reliability, and failure recovery of the execution and isolation layers - Partner with Platform, Security, and Backend Engineering teams on system design, production troubleshooting, and long-term reliability improvements Required Qualifications - 5+ years of systems engineering or software engineering experience building production infrastructure, runtime, or platform services - Experience developing production systems using Go, Rust, C, or C++ - Experience working with Linux internals, including namespaces, cgroups, netfilter or iptables, sockets, and process lifecycle management - Experience implementing or operating at least one sandboxing or workload-isolation technology, such as gVisor, Firecracker, WebAssembly, containers, or micro virtual machines - Experience building networking systems involving TCP/IP, transparent proxying, or TLS termination and origination ## Preferred Qualifications - Experience using Go or Rust for systems-level or infrastructure development - Experience building or operating multi-tenant container, sandbox, or virtual-machine isolation infrastructure - Experience with SPIFFE, SPIRE, or another workload identity and attestation framework - Experience integrating AWS KMS, Azure Key Vault, GCP Cloud KMS, or similar key-management services - Experience working on endpoint security, EDR, zero-trust networking, or infrastructure security products - Experience with Kubernetes, container-runtime internals, or managed container platforms - Experience with Temporal or another durable workflow execution platform 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. 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. ## About Kaseya Careers ## Company Overview - **One-liner**: Kaseya is a global provider of unified IT management and cybersecurity software, serving managed service providers (MSPs) and small to medium-sized businesses (SMBs). - **Entity Type**: Private (privately held) - **Headquarters**: Miami, Florida, USA - **Founded**: 2000 - **Founders**: Not publicly available ## Core Business - **Primary industries**: IT management, cybersecurity - **Target customers**: B2B – managed service providers (MSPs), small to medium-sized businesses (SMBs), and enterprise IT departments - **Mission**: “To empower you to simplify and transform IT and cybersecurity management with innovative platform solutions.” ([kaseya.com](https://www.kaseya.com/company/)) ## Products & Services - **Kaseya 365**: Unified platform combining IT management, security, backup, and automation tools for MSPs and IT teams. - **IT Glue**: IT documentation and knowledge management platform. - **RapidFire Tools**: Network assessment and reporting tools. - **Spanning Cloud Apps**: Backup and recovery for SaaS applications (Office 365, G Suite, Salesforce). - **ID Agent / Graphus**: Dark web monitoring and phishing protection. - **RocketCyber**: Managed detection and response (MDR) platform. - **TruMethods**: Business coaching and operational best practices for MSPs. - **Unitrends**: Backup and disaster recovery solutions. All are delivered as SaaS or on-premise software, with over 40 products total. ## Market Standing - **Valuation**: Not publicly disclosed (private company) - **Key Metrics**: - Over 40,000 customers ([kaseya.com](https://www.kaseya.com/company/)) - Over 500,000 IT professionals use Kaseya products - 300 million devices managed globally - ~5,000 employees (as of 2025, per Built In) - **Notable Investors/Partners**: Not publicly listed in provided sources; company is privately held (backed by private equity). - **Growth Signals**: - Offices in more than 21 countries, with expansion in Bengaluru, Dublin, and other hubs. - Recognized as a “Great Place to Work” ([kaseya.com](https://www.kaseya.com/careers/)). - Continues to add products and acquire complementary technologies. ## Competitive Advantages - **Broad platform**: Over 40 integrated products covering IT management, security, backup, and documentation – a single-vendor solution for MSPs. - **Partner-first approach**: “Partner First Pledge” program shares risk with MSPs, building strong loyalty. - **Scale and reach**: Serving 40,000+ customers across 20+ countries with a large partner ecosystem. - **Innovation track record**: First-to-market with remote monitoring and management (RMM) in 2000, now a leader in unified IT and security. ## Strategic Focus - Accelerate adoption of the Kaseya 365 unified platform. - Expand cybersecurity capabilities (MDR, phishing, dark web monitoring). - Grow international presence, especially in India, Ireland, and Australia. - Hire aggressively across engineering, sales, customer success, and corporate functions to support rapid growth. ## Why Work Here - **Culture**: Described as “human-centered” and “culture-centered,” with a strong emphasis on growth and collaboration. The company often uses the “rocketship” metaphor to signal momentum. - **Work environment**: Hybrid and in-office options depending on role and location. Many roles are remote; some offices (Miami, Bangalore, Dublin) are in-office or hybrid. Built In lists both on-site and remote positions. - **Career development**: Structured interview process, take-home assessments for tech roles, and a software sales development program for career switchers. - **Global presence**: Opportunities to work in over 20 countries, with hubs in Miami, Dublin, Bangalore, Sydney, Vancouver, and more. - **Recognition**: Certified “Great Place to Work”; noted for positive workplace culture. ## Sources 1. [kaseya.com – Careers](https://www.kaseya.com/careers/) 2. [kaseya.com – About Kaseya](https://www.kaseya.com/company/) 3. 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