Senior Software Engineer- Windows (Duo)

Cisco
Ann Arbor, Austin
Workplace: RemoteFull timeUSD 139,300 - 203,600 annuallyFunction: Software EngineeringExperience: 6+ yearsEducation: bachelorsSkills: ["Technical rigor","Pragmatic problem-solving","Mentoring","Code reviews","Structured collaboration"]

Design and implement high-performance, memory-safe endpoint authentication components and enterprise integrations for Zero Trust OS logon and Windows/macOS environments. Build and harden custom Windows Credential Providers, ADFS MFA adapters, and WTS multi-session services to reduce authentication latency and prevent bypass attacks. Create diagnostic utilities and administrative tooling with PowerShell and WMI/CIM, collaborate on ADRs and automated test pipelines, and mentor engineers through rigorous code reviews.

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FursaFursa
Cisco
Cisco
1 week ago

Senior Software Engineer- Windows (Duo)

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Source: Company careers pageValidated by: Fursa AI
Last checked: 11 hours agoStatus: Live

Job Summary

Design and implement high-performance, memory-safe endpoint authentication components and enterprise integrations for Zero Trust OS logon and Windows/macOS environments. Build and harden custom Windows Credential Providers, ADFS MFA adapters, and WTS multi-session services to reduce authentication latency and prevent bypass attacks. Create diagnostic utilities and administrative tooling with PowerShell and WMI/CIM, collaborate on ADRs and automated test pipelines, and mentor engineers through rigorous code reviews.
Location: Ann Arbor, Austin
Workplace: Remote
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Design and implement memory-safe endpoint authentication components and enterprise integrations for resilient Zero Trust security at OS logon.
  • •Lead technical design and harden custom Windows Credential Providers, ADFS MFA adapters, and WTS multi-session services to eliminate latency and prevent credential bypass attacks.
  • •Develop automated diagnostic utilities and robust administrative tooling using PowerShell and WMI/CIM for deployment and troubleshooting.
  • •Partner with Product Management, Security Architecture, and Design to author ADRs and establish automated test pipelines to prevent regressions.
  • •Mentor peer engineers through code reviews and technical guidance to improve engineering execution and delivery velocity.

Pay and Benefits

Salary: USD 139,300 - 203,600 annually
Perks:Health InsuranceDentalVision401kPaid ParentalLong-term DisabilityBasic LifeEquityPaid HolidaysPaid Leave

Key Requirements

  • •Bachelor’s degree in computer science, computer engineering, or related field (or equivalent practical experience).
  • •6+ years of professional systems software engineering experience with Modern C++ (C++14/17/20) or C.
  • •Experience developing native Windows desktop or server applications using Win32 APIs, multi-threading synchronization primitives, and IPC.
  • •Experience administering or integrating with on-premises Active Directory (AD DS), Kerberos authentication protocols, or Windows Server environments.
  • •Experience authoring PowerShell scripts or using WMI/CIM for Windows system automation, configuration, and troubleshooting.
Experience:6+ yearsZero TrustEndpoint authenticationEnterprise securityIdentityActive DirectoryPasswordless authentication
Education:Bachelor's
Skills:Technical rigorPragmatic problem-solvingMentoringCode reviewsStructured collaboration
Tech Stack:Modern C++C++17C++20C++14CWin32 APIsPowerShellWMICIMActive DirectoryAD DSKerberosWindows ServerWindows Credential ProvidersADFSMFA adaptersWTSMSIGroup Policy Administrative TemplatesGPO

Company Brief

Cisco
Global technology company that designs, manufactures, and sells networking hardware, telecommunications equipment, and high-technology services and products for enterprises, service providers, and governments worldwide.
Industry: Networking Equipment
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: San Jose, United States
Founded: 1984
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