Senior Windows Runtime Security Engineer - Remote

Cisco; Hartford (CT); Remote; USD 168,000 - 245,000; Full time

Job summary

Cisco Isovalent is seeking a Software Engineer to drive runtime security features for a Windows-based endpoint agent. You will work across Windows system programming (Win32 APIs, File I/O, Winsock) and cross-platform security capabilities while collaborating with senior engineers and cross-functional teams.

You will design and implement systems-level software using Go, C, and C++, with a focus on performance and reliability in secure workloads across Linux and Windows environments.

Qualifications

• Bachelor's degree with 5+ years of software development experience or Master's with 4+ years of software development experience.
• Experience with systems programming using C or C++, including multi-threaded and multi-process application development.
• 2+ years experience with operating system fundamentals: threads, processes, file systems, networking, IPC.
• 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 systems-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

C

C++

Go

Multithreading

Windows system programming

Education

Bachelor's degree in Computer Science or related field

Master's degree in Computer Science or related field

Tools

Win32 APIs

Winsock

File I/O

Job description

Cisco Isovalent is seeking a Software Engineer to drive runtime security features for a Windows-based endpoint agent. You will work across Windows system programming (Win32 APIs, File I/O, Winsock) and cross-platform security capabilities while collaborating with senior engineers and cross-functional teams.

You will design and implement systems-level software using Go, C, and C++, with a focus on performance and reliability in secure workloads across Linux and Windows environments.