Principal Network Software Engineer

Kaseya Careers•Markham, ON

13d

About The Position

Kaseya is a leading provider of complete IT infrastructure and security management solutions for Managed Service Providers (MSPs) and internal IT organizations worldwide, powered by AI. Founded in 2000, Kaseya serves customers in over 20 countries and manages over 15 million endpoints. The company has achieved sustained, strong double-digit growth and is backed by Insight Venture Partners. Kaseya is seeking a Principal Network Software Engineer to architect and develop scalable and multi-tenant cloud-native networking solutions and security architectures. This hands-on role requires expertise in cloud networking and software development, focusing on building high-performance solutions for various deployment scenarios, integrating public and private clouds, cloud-managed networking devices, and SASE components. The ideal candidate has deep experience in cloud-native Next-Generation Firewalls (NGFWs), Zero Trust Security, and Secure Access Service Edge (SASE) stack, along with hands-on cloud software development, data plane engineering, and cloud automation. The role involves defining design, writing and reviewing code, and guiding teams through delivering production systems.

Requirements

10+ years of experience in software engineering, with at least 7+ years focused primarily on backend systems.
3+ years of experience in a Staff, Principal, or Architect role with end-to-end ownership of architecture and delivery.
5+ years of hands-on programming experience in Golang, C/C++, PHP, and Python.
3+ years of hands-on experience with cloud-native NGFWs and network security appliances.
5+ years of experience in Linux networking, including firewall configuration using netfilter, iptables, and nftables, as well as DNS filtering, traffic shaping, and QoS.
3+ years of experience with network security technologies including DNS filtering, Deep Packet Inspection (DPI), Intrusion Detection and Prevention Systems (IDPS), Anti-Virus, and SSL Proxy.
2+ years of experience working with SASE components such as DLP, SWG, ZTNA, CASB, sandboxing, anti-malware, and anti-virus.
2+ years of hands-on experience with Linux userspace fast-path frameworks such as VPP and DPDK

Nice To Haves

Hands-on experience with fast path Linux Kernel fast path technologies like eBPF, XDP, and AF_XDP.
Proven experience with data-path Multitenancy like VXLAN, Linux Namespaces and VRFs.
Solid background in containerization and Kubernetes orchestration, including CNI selection, configuration, and troubleshooting.
Familiarity with cloud-native Networking frameworks, like Cilium and Calico.
Working experience with ELK stack, database stores like Redis and Cassandra, and message queues like Kafka.
Knowledge of continuous integration workflows, testing tools, and source code management tools (e.g., Git).
Strong experience with VPN technologies like IPSec and WireGuard.

Responsibilities

Architect and develop multi-tenant cloud-native networking and security solutions in public, private cloud, and hybrid environments.
Optimize traffic steering, policy orchestration, and security enforcement.
Develop high-speed telemetry and analytics solutions for network visibility and threat detection.
Develop software solutions to optimize cloud egress and gateway hosting costs, reducing expenses while maintaining network security and performance.
Develop cloud networking applications using Go & PHP for traffic management, security policy orchestration, network observability, and service chaining.

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