Application Protocol Engineer for Application and Threat Intelligence (ATI) Research Center (DC-0010)

In this position you will get the chance to identify, research and implementing well-known application and protocols on the Internet, thus enhancing the power of our next-generation traffic engine to simulate complex real-world traffic scenarios targeting infrastructure such as Web Application Firewall, Next Generation Network Firewall, Server Load Balancers, Proxy Servers, etc. 

You will dive deep into the packet of client-server communications to understand how applications and protocols work. 

You will witness new industry-leading products being born and have the opportunity to contribute from the beginning. 

These experiences will enhance your skills and expertise in developing application protocols, reverse engineering techniques, and application flow signatures.


  • You will incorporate RFC’s or other specifications on well-known protocols into the next generation products utilizing Python;
  • For application protocols that are either proprietary or undocumented, you will set up an infrastructure to capture the traffic in order to understand the protocol, reverse engineer it, and incorporate it into the product.
  • Identify and investigate application data in order to develop patterns (application signatures) that can detect and classify applications as part of proprietary discovery intelligence technologies.

Required Skills and Experience

  • Good programming skills in Python.
  • Deep understanding of the TCP/IP stack and OSI model;
  • In-depth knowledge of protocol analyzers (e.g., Wireshark, Fiddler);
  • Knowledge of application layer protocols;
  • Creative problem-solving approach to projects;
  • Communicating and collaborating with others;
  • College degree in CS or EE or equivalent experience;
  • 1+ years of development experience;

Preferred Skills

  • Network protocol development experience;
  • Working knowledge of XML;
  • Understanding of application data encoding and reverse engineering
  • Experience with unit testing;
  • Experience with Agile methodology;
  • Experience with Continuous Integration;
  • Experience with TDD;
  • Experience with tools such as Vagrant, Docker, and/or LXC

Sponsors & Partners

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At Orange Business Services, we help our customers transform their industries, reimagine their services, create a positive impact and unleash the power of their data into an amazing and trusted resource.

With the dual expertise as a global operator coupled with the agility of an end-to-end integrator, Orange Business Services is a global network-native, digital services company. From connectivity, smart mobility services and the cloud to artificial intelligence (AI), analytics and cybersecurity, Orange Business Services helps businesses at every stage of their data management. Orange Business Services is represented in Romania by the business division of Orange Romania and helps large companies, SMEs and public authorities to transform their organizations through the use of technology and digital information.


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