We are seeking a talented and experienced Deep Packet Inspection (DPI) Signature Developer to join our innovative team. As a DPI Signature Developer, you will play a critical role in designing, developing, and maintaining high-performance DPI signatures used for network traffic analysis and security applications. Your primary responsibility will be to create and optimize DPI signatures that enable the identification and analysis of network protocols, applications, and threats. The ideal candidate will have a strong understanding of network protocols, excellent programming skills, and a passion for staying up-to-date with the latest network security trends and technologies.
Responsibilities:
1. DPI Signature Development:
o Design, develop, and maintain DPI signatures for network traffic analysis and security applications.
o Analyze network protocols and applications to identify unique characteristics and patterns for signature creation.
o Create and optimize DPI signatures using pattern matching techniques and regular expressions.
o Collaborate with cross-functional teams to ensure DPI signatures meet the requirements of various network security applications.
2. Network Protocol Analysis:
o Conduct in-depth analysis of network protocols, including packet structures, header fields, and payload formats.
o Stay updated with the latest network protocols and their associated behaviors.
o Identify protocol anomalies, patterns, and behaviors to improve DPI signature accuracy and effectiveness.
3. Threat Intelligence Integration:
o Stay informed about emerging network security threats and vulnerabilities.
o Incorporate threat intelligence into DPI signatures to enhance the detection of malicious activities and intrusions.
o Collaborate with threat intelligence teams to integrate external threat feeds and indicators into DPI signature development.
4. Performance Optimization:
o Optimize DPI signatures for performance and efficiency, ensuring minimal impact on network throughput and latency.
o Work closely with the engineering team to enhance the performance of DPI engines and related systems.
o Conduct benchmarking and performance testing to identify areas for improvement and optimization.
5. Documentation and Collaboration:
o Document DPI signature specifications, design principles, and development processes.
o Collaborate with other developers and security analysts to exchange knowledge and best practices.
o Participate in code reviews and provide constructive feedback to maintain code quality and consistency.
Requirements:
• Bachelor's or Master's degree in Computer Science, Electrical Engineering, or a related field.
• 4+ years of experience in DPI signature development or network security.
• Strong understanding of network protocols, including TCP/IP, HTTP, DNS, SSL/TLS, etc.
• Proficiency in programming languages such as C/C++, Python, or Java.
• Experience with pattern matching techniques and regular expressions.
• Familiarity with DPI tools and libraries, such as Snort, Suricata, or libpcap.
• Knowledge of network security concepts, intrusion detection/prevention systems, and traffic analysis methodologies.
• Strong analytical and problem-solving skills, with a keen eye for detail.
• Excellent communication and collaboration abilities.
• Ability to work independently and meet project deadlines.