Senior Software Engineer, C++ (Endpoint State & Control)

NinjaOne

33d•$150,000 - $220,000•Hybrid

About The Position

We are hiring a Senior C++ Software Engineer to join our growing Endpoint State and Control team, focused on defining and enforcing endpoint behavior across a managed environment. We build the foundational controls that let IT teams define, enforce, and maintain a strong security posture across every endpoint they manage. Trusted by over 40,000 customers globally, your work will directly power the tools IT teams and MSPs (managed service providers) rely on to monitor, manage, and secure endpoints at scale. You will collaborate in a fast-paced, agile environment that emphasizes rapid iteration and customer-driven outcomes, working alongside other Software Engineers, Product Designers, and Product Managers. You are responsible for implementing design patterns and working on enterprise level software challenges, in a startup environment. Enabling firsthand product impact, while building software of scale that runs on millions and millions of endpoints. If you are a Senior Software Engineer, with application-level C++ expertise, who thrives on solving complex technical challenges and is passionate about building high-quality, reliable software for real-world impact, this is the role for you!

Requirements

Bachelor’s Degree in Computer Science, Engineering, Information Technology, or related technical field
7+ years of C++ development experience, with proficiency in C++ 14 or newer
5+ years of Windows systems-level C++ engineering
Strong familiarity with windows kernel drivers
Experience designing or maintaining a Windows kernel-mode driver or service that runs on production endpoints
Comfortable designing from first principles, this is a net-new system with no existing internal architecture to inherit
Drive technical design: write architecture documents, define subsystem contracts, work cross-functionally with server and UI engineers
Comfortable working on problems with sparse documentation and undefined requirements
Comfortable experimenting with AI tools in development workflow

Nice To Haves

WHQL driver certification experience (strongly preferred)
Driver development background (minifilter, WFP)
macOS systems experience: Apple Endpoint Security framework
Linux systems experience: eBPF or kernel module development

Responsibilities

design and implement scalable features, enhance platform performance, and support critical functionality across our core product suite.
Use your expertise to contribute to the development of large-scale software applications.
be one of our most trusted engineers committing code.
Other Duties as needed