Senior Software Engineer

Cisco

. Develop and enhance runtime security features for a Windows-based endpoint agent .

Posted 9/24/2026full-timeRemote • United StatesSenior💰 $167,700 - $245,200 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in systems programming and endpoint security, with a strong focus on developing multi-threaded applications and utilizing Windows system programming interfaces. Proficient in collaborating with cross-functional teams to deliver reliable software solutions in production environments.

Highest-signal resume keywords

C ProgrammingC++ ProgrammingWindows System ProgrammingMulti-Threaded Application DevelopmentEndpoint Security Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Systems ProgrammingWin32 APIsFile I/OWinsockDebuggingPerformance OptimizationAPI HookingNetwork ProgrammingKernel ProgrammingDriver Development

Soft Skills

CollaborationProblem-SolvingCommunication

Industry Keywords

CybersecuritySystem MonitoringMalware DetectionEndpoint ProtectionInter-Process Communication

Tech Stack

Tools & technologies

Cyber SecurityLinuxC++Go

About the role

Key responsibilities & impact

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 user-mode/kernel-mode interactions
Develop multi-threaded and multi-process applications and system-level software
Debug and resolve complex implementation issues
Perform code reviews to improve software quality
Analyze and optimize feature performance for efficient endpoint operation
Collaborate with cross-functional teams to translate runtime security requirements into reliable software solutions
Contribute to cross-platform security capabilities spanning Windows and Linux environments

Requirements

What you’ll need

Bachelor's degree with 5+ years of software development experience, or a Master's degree with 4+ years of software development experience
Experience with systems programming using C or C++
Experience developing multi-threaded and multi-process applications
2+ years of 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, and Winsock
Familiarity with API hooking concepts
Experience debugging and troubleshooting complex software systems
Understanding of Windows kernel concepts and user-mode/kernel-mode interaction preferred
Experience developing endpoint security, cybersecurity, or system-monitoring software preferred
Experience with Windows kernel programming, driver development, or low-level Windows internals preferred
Familiarity with malware detection, endpoint protection, or security monitoring concepts preferred
Experience with network programming and security-related protocols preferred
Experience implementing complex systems-level software features in production environments preferred
Experience analyzing and optimizing systems-level or endpoint software performance preferred
Experience collaborating with senior engineers and architects on architecture and technical design decisions preferred

Benefits

Comp & perks

Medical, dental and vision insurance
401(k) plan with Cisco matching contribution
Paid parental leave
Short- and long-term disability coverage
Basic life insurance
Cisco restricted stock unit grants may be available
10 paid holidays per full calendar year
1 floating holiday for non-exempt employees
Paid birthday day off
Paid year-end holiday shutdown
4 paid personal wellness days
16 days of paid vacation per full calendar year for non-exempt employees
Flexible vacation time off program for exempt employees
80 hours of sick time off provided on hire date and each January 1st
Up to 80 hours of unused sick time carried forward annually
Additional paid time away for critical or emergency family issues
Optional 10 paid volunteer days per full calendar year
Annual bonuses for non-sales roles, subject to Cisco policies