Principal Software Engineer

Kaseya Careers•Toronto, ON

About The Position

Kaseya is the leading provider of complete IT infrastructure and security management solutions for Managed Service Providers (MSPs) and internal IT organizations worldwide powered by AI. Kaseya's best-in-breed technologies allow organizations to efficiently manage and secure IT to drive sustained business success. This is a foundational leadership role impacting how every product, customer, and partner experiences Kaseya. The role will be responsible for building and executing the Identity and API strategy for Kaseya's platform. This position demands deep technical expertise in Identity platforms combined with strategic product thinking and cross-functional collaboration. This role will work closely with product, security, legal, sales, and marketing teams across the organization to build foundational capabilities that become force multipliers for the entire platform. This role shapes the core platform layer that enables engineering teams to build, automate, and operate software and AI-enabled systems reliably at scale.

Requirements

10+ years of professional experience building and managing software applications at a massive scale (with at least 5 years at Sr Staff or Principal level).
Deep understanding of IAM protocols (OAuth2, OIDC, SAML), RBAC/ABAC models, and the security implications of session management at the edge.
Experience with Active Directory and extensive experience implementing federation protocols (SAML, OIDC, OAuth2).
Experience in Data Security or related areas and expertise in following--Authentication, Network, Kubernetes Security, Web Security, Governance, Privacy, Trust, Safety, Identity Management, Access Control, Key Management, Inter-Service Authentication, Secure Application Frameworks, Detection & Response.
Proven track record in designing, architecting, and debugging large-scale distributed systems that handle global traffic.
Deep knowledge of Go, Java, TypeScript, Rust, or similar is highly valued.
Significant experience designing and versioning public-facing APIs that are used by millions of developers.

Nice To Haves

Experience building systems at large scale internet companies is a huge plus.
A passion for building "observable" systems using Prometheus, Grafana, and Kibana to proactively identify failures.
Experience with modern containerized deployment (Docker & Kubernetes), Terraform, and infrastructure automation.
A background in security engineering or formal verification of protocol implementations.
A history of leading multi-quarter projects from conception to global rollout in partnership with product owners.

Responsibilities

Serve as the technical north star for our IAM and Control Plane strategy.
Be responsible for the long-term health and architectural evolution of our identity systems.
Own the end-to-end technical design of IAM services, including identity lifecycle management, authentication, authorization, SSO, and privileged access controls, ensuring they are secure, scalable, and highly available.
Lead the design and evolution of secure, high-throughput, low-latency IAM systems that power both customer-facing and internal service APIs.
Lead design and implementation of IAM integrations for SaaS, on-prem, and cloud platforms, including federation (SAML, OIDC, OAuth), MFA, and Passwordless capabilities.
Define the roadmap for migrating or scaling our legacy authentication and authorization systems into modern, distributed architectures.
Work closely with Product, Security, and UX teams to translate complex business requirements into robust, secure technical specifications.
Set the standard for engineering excellence through deep code reviews, technical design documents, and mentoring senior engineers.
Oversee the reliability of a platform under constant load, ensuring observability and resilience are baked into the core of the system.
Recruit and mentor top-tier engineering talent to scale our security infrastructure.

Benefits

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.

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