Senior Windows Endpoint Security Engineer

Cisco Systems; Richfield Township (OH); Remote; USD 168,000 - 245,000; Full time

Job summary

Cisco Isovalent is seeking a Software Engineer to extend runtime security on a Windows-based endpoint agent. You will work with Go, C and C++ to design and implement security and monitoring features that run close to the OS.

You’ll collaborate with senior engineers across Windows and Linux platforms, troubleshoot complex issues, and optimize performance for enterprise workloads in cloud/on‑prem environments. Remote-friendly role in the US.

Qualifications

• Bachelor's degree with 5+ years of software development experience or Master's with 4+ years.
• Experience with systems programming using C, or C++, including multi-threaded and multi-process application development.
• 2+ year’s experience with operating system fundamentals, including threads, processes, file systems, networking, and inter-process communication.
• Experience with Windows system programming, including Win32 APIs, File I/O, Winsock, and familiarity with API hooking concepts.
• Experience debugging and troubleshooting complex software systems.

Responsibilities

• Develop and enhance runtime security features for a Windows-based endpoint agent.
• Design and implement system-level endpoint security and monitoring capabilities using Go, C, and C++.
• Participate in architecture, design, and implementation discussions with senior engineers and architects.
• Develop software using Windows system programming interfaces, including Win32 APIs, File I/O, and Winsock.
• Investigate Windows platform behavior, APIs, and interactions between user-mode and kernel-mode components.
• Develop multi-threaded and multi-process applications and system-level software.
• Debug and resolve complex implementation issues and perform code reviews to improve software quality.
• Analyze and optimize feature performance to ensure efficient endpoint operation.
• Collaborate with cross-functional teams to understand runtime security requirements and translate them into reliable software solutions.
• Contribute to cross-platform security capabilities spanning Windows and Linux environments.

Skills

Systems programming

Windows platform APIs

Multithreaded programming

Go development

C programming

C++ programming

Education

Bachelor's degree in a related field

Master's degree in a related field

Tools

Win32 APIs

File I/O

Winsock

Go

C

C++

Job description

Cisco Isovalent is seeking a Software Engineer to extend runtime security on a Windows-based endpoint agent. You will work with Go, C and C++ to design and implement security and monitoring features that run close to the OS.

You’ll collaborate with senior engineers across Windows and Linux platforms, troubleshoot complex issues, and optimize performance for enterprise workloads in cloud/on‑prem environments. Remote-friendly role in the US.