C++ Windows Security Researcher

Role overview Research Windows and Active Directory security to inform new passwordless multi-factor authentication capabilities. The work combines protocol and platform investigation with software development, with a focus on how authentication can be integrated securely into Windows environments.

Responsibilities - Investigate authentication protocols including LDAP, Kerberos, NTLM, and SMB. - Research security properties of Windows, Windows Server, and Active Directory. - Explore ways to integrate multi-factor authentication with Windows systems. - Apply reverse-engineering and debugging tools to examine software and security behavior. - Share findings and collaborate with peers on research and development.

Requirements - Experience developing Windows software, such as with C++. - Knowledge of Windows Server, Active Directory, Group Policy, and the Windows API. - Familiarity with Kerberos and NTLM authentication. - Understanding of Windows security standards and internal controls. - Experience with reverse-engineering tools such as IDA or Ghidra, and scripting with VBA or PowerShell. - Ability to communicate with colleagues and working knowledge of Polish or English.

Nice to have Rust or C# experience, Qt development, application security knowledge, relevant education or equivalent experience, and experience collaborating in distributed teams.

Benefits and work setup The role can be based on-site in Kraków or Zielona Góra under an employment contract, or remotely from within Poland on a B2B basis. Online training and sponsored certifications are offered; employee benefits include private medical care and a sports membership.