Senior Software Engineer, C++ | Endpoint State & Control

About the Role 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! What You’ll be Doing • C++ Software Development: 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. • Committing Code and Shipping Products: be one of our most trusted engineers committing code. • Other Duties as needed About You • Bachelor's Degree in Computer Science, Engineering, Information Technology, or related technical field. • 7+ years of systems level C++ engineering, C++14 or newer, C++17 preferred. • Strong Windows systems programming experience • Strong macOS systems experience, including: • Apple Endpoint Security framework, launchd, macOS configuration profiles, or equivalent OS level configuration APIs • Experience with CMake and vcpkg, or equivalent C++ build and dependency systems. • Comfortable designing and evolving multi process C++ architectures. • Experience with SQLite or embedded database patterns for local state persistence. • Ability to write design documents, define IPC contracts, and drive technical decisions with limited supervision. • Comfortable designing from first principles, as this is a net new system with no existing internal architecture to inherit. • Comfortable working in problem spaces with sparse documentation, including under documented OS APIs and novel architectural patterns, as well as undefined requirements. • Comfortable experimenting with AI tools in development workflow. Preferred Experience: • Experience with gRPC or Protocol Buffers for inter process communication. • Linux experience, including eBPF, systemd, kernel module development, or D-Bus. • Experience building cross platform C++ agents that run on Windows, macOS, and Linux. • Familiarity with CIS Benchmark enforcement or compliance frameworks. • Background in endpoint management, MDM, or configuration management tooling, such as Chef, Puppet, or Ansible, at the agent or implementation level rather than just usage. • Experience with WHQL or driver signing processes. About Us NinjaOne unifies IT to simplify work for nearly 40,000 customers in 140+ countries. ​ The NinjaOne Unified IT Operations Platform delivers endpoint management, autonomous patching, backup, and remote access in a single console to improve efficiency, increase resilience, and reduce spend. By automating IT and managing all endpoints, organizations give employees a great technology experience at work. ​ NinjaOne is obsessed with customer success and has retained a 98% customer satisfaction score for more than 5 years. We hire the best software engineers, but experience in our stack can’t hurt: NinjaOne is built on Java, Kotlin, C++, Golang and Postgres, supporting millions of user endpoints and running as a scalable cloud service in AWS. Knowing large-scale datastore bottlenecks, asynchronous application design and client-server architecture will help you. What You’ll Love We are a collaborative, kind, and curious community. We honor your flexibility needs with full-time work that is hybrid remote. We have you covered with our comprehensive benefits package, which includes medical, dental, and vision insurance. We help you prepare for your financial future with our 401(k) plan. We prioritize your work-life balance with our unlimited PTO. We reward your work with opportunity for growth and advancement. Location - We are flexible on remote working from home, if you are located in the USA and reside in one of the following states - CA, CO, CT, FL, GA, IL, KS, MA, MD, ME, NJ, NC, NY, OH, OR, TN, TX, VA, and WA. We have physical offices in Austin, TX and Tampa, FL, if you prefer a hybrid option. • Onsite interviews maybe required for this role Additional Information This position is NOT eligible for Visa sponsorship. • Due to operational policies, NinjaOne is unable to hire for this role within the city limits of Chicago. We will consider all qualified candidates who reside outside of the city proper or are willing to self-relocate. Starting pay for the successful applicant depends on a variety of job-related factors, including but not limited to location, market demands, experience, job-related knowledge, and skills. The benefits available for this position include medical, dental, vision, 401(k) plan, life insurance coverage and PTO. For roles based in California, Colorado, Maryland, New Jersey, or Washington the base salary hiring range for this position is $150,000 to $220,000 per year. For roles based in New York, the base salary hiring range for this position is $150,000 to $220,000 per year. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, genetic information, marital status, veteran status, or any other status protected by applicable law. We are committed to providing an inclusive and diverse work environment. #LI-JL1 #LI-Remote