Windows Security Researcher - C++/AD & MFA Protocols

Rublon; United States; Remote; USD 30,000 - 45,000; Full time

Benefits offered by this job

Online training and sponsored certs

Private medical care

Sports membership

Job summary

Rublon seeks a security-focused researcher to study Windows and Active Directory security for passwordless MFA capabilities. The role blends protocol research with software development, focusing on secure integration of authentication into Windows environments.

You will investigate authentication protocols and Windows security properties, explore MFA integration with Windows, and apply reverse-engineering and debugging tools while sharing findings with peers in a collaborative R&D setting.

Qualifications

• Experience developing Windows software (C++ preferred).
• Familiarity with Windows Server, AD, Group Policy, and Windows API.
• Knowledge of Kerberos/NTLM and Windows security standards.
• Experience with reverse engineering tools such as IDA or Ghidra; scripting with PowerShell or VBA.

Responsibilities

• Investigate authentication protocols including LDAP, Kerberos, NTLM, and SMB.
• Research Windows security properties and Active Directory.
• Explore integrating MFA with Windows systems.

Skills

Windows dev

C++

Active Directory

Windows API

Reverse engineering

PowerShell

VBA

Polish or English

Tools

IDA

Ghidra

Qt

Job description

Rublon seeks a security-focused researcher to study Windows and Active Directory security for passwordless MFA capabilities. The role blends protocol research with software development, focusing on secure integration of authentication into Windows environments.

You will investigate authentication protocols and Windows security properties, explore MFA integration with Windows, and apply reverse-engineering and debugging tools while sharing findings with peers in a collaborative R&D setting.