C++ Windows Security Researcher

Join a team developing enterprise user-authentication software and researching passwordless multi-factor authentication for Windows and Active Directory environments. This is a greenfield R&D project focused on Windows and Active Directory security.

How You’ll Work

• Location: 100% remote or office in Krakow, Zielona Góra
• Technology Stack: C++, Windows Server, Active Directory, LDAP, Kerberos, NTLM, Entra ID, FIDO2
• Self development: access to online training courses and sponsored certifications
• Benefits for employees: access to private medical care and MultiSport card

What You’ll Do

• Perform security research on authentication protocols: LDAP, Kerberos, NTLM and SMB
• Research Windows and Windows Server security
• Research MFA integration possibilities with Windows and Windows Server
• Research Active Directory security
• Research Kerberos and NTLM authentication protocol security
• Research MFA integration possibilities with Active Directory
• Research use of Trusted Platform Module (TPM) on Windows for secure user authentication
• Research use of Bluetooth on Windows for secure user authentication
• Develop enterprise software solutions for Windows user authentication
• Develop locally on a company laptop and in external testing environments
• Analyze requirements, create concepts, and discuss them with the project and product manager
• Monitor code quality and perform code reviews
• Design, implement, and execute development and integration tests

Skills You Have

• Experience with reverse engineering and tools such as IDA Free/Pro and Ghidra
• Experience with Windows software development, for example C++
• Knowledge of Windows Server, Active Directory, and GPO
• Knowledge of Windows API
• Knowledge of Kerberos and NTLM authentication protocols
• Knowledge of Windows technical security standards and internal controls
• Familiarity with VBA and PowerShell scripting
• Ability to communicate confidently with peers
• Knowledge of Polish or English

Nice To Haves

• Experience with REST and/or C#
• Experience with the Qt development framework
• Formal education or advanced degree in Information Security, Cybersecurity, Computer Science, or similar; and/or demonstrated equivalent work experience
• Knowledge of software application security
• Demonstrated success as part of a distributed team

Why Apply

• Collaborate with, teach, and learn from high-performing peers on software projects
• Work with a team focused on achieving a common goal

Steps After You Apply

• Online meeting with a recruiter
• Small assignment, followed by a discussion with a technical lead
• Offer and final interview if the process is successful