Windows Services Engineer - Cybersecurity (C#/.NET) Orlando

Threatlocker Inc; Orlando (FL); On-site; USD 100,000 - 140,000; Full time

Job summary

ThreatLocker is seeking a Software Developer to design and maintain high-performance Windows Services in C#/.NET, focused on security and reliability. The role requires deep knowledge of Windows internals, API integration, and robust debugging capabilities.

Based in Orlando, FL, this in-office position offers collaboration with threat intelligence and engineering teams to build resilient services that protect endpoints and networks. Join a fast-moving cybersecurity engineering group.

Qualifications

• Expert in C#/.NET and asynchronous programming.
• Deep understanding of Windows services and internals.
• Experience with RESTful APIs and secure coding practices.
• Strong debugging and profiling skills with Windows tools.
• Familiarity with SQL Server and query optimization.
• Bachelor’s degree or equivalent hands-on experience.

Responsibilities

• Design, implement, and optimize Windows Services in C#/.NET.
• Work with Windows APIs, file systems, and network layers.
• Incorporate security, performance, and reliability requirements.
• Diagnose complex performance and memory issues.
• Collaborate with teams to align with security standards.
• Support code reviews and improve maintainability.
• Enhance monitoring and observability of services.

Skills

C#/.NET

Windows internals

RESTful APIs

Debugging tools

SQL Server

Multithreading

Network protocols

Education

Bachelor’s degree in Computer Science or Software Engineering

Tools

WinDbg

Process Monitor

SQL Server Management Studio

Job description

ThreatLocker is seeking a Software Developer to design and maintain high-performance Windows Services in C#/.NET, focused on security and reliability. The role requires deep knowledge of Windows internals, API integration, and robust debugging capabilities.

Based in Orlando, FL, this in-office position offers collaboration with threat intelligence and engineering teams to build resilient services that protect endpoints and networks. Join a fast-moving cybersecurity engineering group.