ThreatLocker is seeking a Windows Service Developer to design, implement, and optimize high-performance background services in C/.NET for their endpoint protection platform, which defends systems from the inside out by blocking application vulnerabilities.
Requirements
- Expert-level proficiency in C/.NET Framework and .NET Core, including asynchronous programming and multithreading.
- Strong understanding of Windows internals: services, registry, process lifecycle, and kernel-level concepts.
- Solid grasp of network protocols (TCP/IP, HTTP/S, DNS) and experience with network control or firewall-level filtering.
- Hands-on experience with debugging and profiling tools (e.g., WinDbg, Process Monitor).
- Familiarity with SQL Server, including stored procedures and index optimization.
- Experience designing and consuming RESTful APIs.
- Strong understanding of secure coding practices and software design patterns.
Responsibilities
- Design, develop, and maintain robust Windows Services using C/.NET, with a focus on security, performance, and reliability.
- Work with low-level Windows components, including Windows APIs, file system hooks, and network stack integration.
- Implement advanced cybersecurity features, such as privilege control, intrusion prevention, and data protection mechanisms.
- Diagnose and resolve complex issues involving system performance, concurrency, memory management, and network communication.
- Collaborate across teams to ensure services align with enterprise security and compliance standards.
- Participate in code reviews, share best practices, and contribute to a clean, maintainable codebase.
- Continuously improve service resilience, monitoring, and observability with a proactive mindset.
Other
- Job will generally be performed in an office environment but may require travel to visit company offices and/or property locations.
- While performing duties of this job, would occasionally require to stand, walk, sit, reach with hands and arms, climb or balance, stoop or kneel, talk and hear, and use fingers and hands to feel objects and tools.
- Must occasionally lift and/or move up to 25 pounds.
- Specific vision abilities required include close vision, distance vision, depth perceptions, and the ability to adjust focus.
- Bachelor’s degree in Computer Science, Software Engineering, or equivalent hands-on experience.
