We are looking for a highly skilled Firewall Developer with strong expertise in C/C++ programming and deep understanding of network security technologies. The ideal candidate should have hands-on experience in firewall development, IPSec, VPN, packet processing, network protocols, and socket programming (TCP/IP). This role requires a strong troubleshooting mindset and experience in building secure, high-performance networking solutions in the cybersecurity domain
Role: Firewall C++ Developer
Location: Pune
Experience: 8+ Years
Job Type: Full-Time Employment
What You'll Do:
Design, develop, and enhance firewall/security product features using C/C++
Work on firewall development, including rule processing, packet filtering, NAT, and traffic management
Develop and maintain features related to IPSec, VPN, and secure communication protocols
Implement efficient packet processing and optimize network traffic handling
Work with network protocols such as TCP/IP, UDP, ICMP, HTTP/HTTPS, etc.
Perform socket programming and low-level networking development
Debug and troubleshoot complex network and security issues
Analyze system performance and improve security, scalability, and throughput
Collaborate with cross-functional teams including QA, product engineering, and support
Contribute to architecture discussions and technical design for network security products
Expertise You'll Bring:
8+ years of experience in network/security software development
Strong programming skills in C or C++
Hands-on experience in firewall development
Solid knowledge of:
IPSec
VPN technologies
Packet processing
Network protocols
Socket programming
TCP/IP stack
Strong troubleshooting and debugging skills in networking environments
Experience in Linux/Unix-based development
Good understanding of network cybersecurity concepts
Robust analytical and problem-solving skills
Advantages:
Competitive salary and benefits package
Culture focused on talent development with quarterly growth o
📌 Firewall C++ Developer (Pune)
🏢 Persistent Systems
📍 Pune
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