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Join to apply for the C++ Windows Security Researcher role at Rublon

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Join to apply for the C++ Windows Security Researcher role at Rublon

Join Rublon to work with a team of cybersecurity enthusiasts who are building the future of enterprise user authentication. Rublon MFA is a multi-factor authentication platform used by hundreds of customers across the globe to protect employee logins to networks, servers and applications.

We are looking for a long-term employee who will support us in the following area:

R&D on Windows and Active Directory Security

Rublon’s research & development activities on Windows and Active Directory security will enable us to develop new solutions for passwordless multi-factor authentication in these environments. This is a greenfield project.

How You’ll Work

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

• Perform security research on authentication protocols (LDAP, Kerberos, NTLM, SMB)
• Research on Windows and Windows Server security
• Research on MFA integration possibilities with Windows and Windows Server
• Research on Active Directory security
• Research on Kerberos and NTLM authentication protocol security
• Research on MFA integration possibilities with Active Directory
• Research on usage of Trusted Platform Module (TPM) on Windows for secure user authentication
• Research on usage of Bluetooth on Windows for secure user authentication
• Develop enterprise software solutions for Windows user authentication
• Development takes place locally on your company laptop as well as on 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
  
  

• Experience with reverse engineering and tools like IDA Free/Pro, Ghidra
• Experience with Windows software development (e.g. 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 confidently communicate with peers
• Knowledge of Polish or English language
  
  

• Experience with Rest and/or C# programming language(s)
• Experience with Qt development framework
• Formal education and advanced degree in Information Security, Cybersecurity, Computer Science or similar and/or commensurate demonstrated work experience in the same
• Knowledge of software application security
• Demonstrated success as part of a distributed team
  
  

• You love collaborating with, teaching, and learning from high-performing peers on software projects
• You work best in teams of high-performers rallying around achieving a common goal
  
  

• You’ll be invited to an online meeting with our recruiter
• Afterwards, we’ll ask you to do a small assignment, which will then be discussed with one of our technical leads
• If everything goes well, we will make you an offer and invite you to a final interview

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology

• Industries

  Computer and Network Security and Software Development

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