Job Description

About Position:

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We are seeking a highly experienced Senior Firewall/Network Security Software Engineer with 8+ years of expertise in C/C++ development for Linux and embedded systems. The role focuses on designing and developing next-generation firewall (NGFW) and cybersecurity solutions, including high-performance packet processing, network security, authentication systems, and advanced threat protection. The ideal candidate will have deep knowledge of networking protocols, security architectures, and scalable system design.

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- Role: Senior Network Security Software Engineer
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- Location: Pune
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- Experience: Between 8 to 15 Years
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- Job Type: Full Time Employment
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What You'll Do:

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- Design and develop control-plane and data-plane components for next-generation Firewall (NGFW) platforms across Layers 37.
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- Build high-performance packet processing and traffic management systems using multi-core architectures such as DPDK and ODP.
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- Develop and maintain management interfaces including CLI, APIs, SSH access, logging,



diagnostics, and telemetry frameworks.
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- Implement and enhance security technologies including SSL/TLS, IPSec, SAML, PKI, and certificate lifecycle management.
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- Develop cybersecurity features such as Deep Packet Inspection (DPI), Intrusion Prevention Systems (IPS), malware protection, URL filtering, and content categorization.
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- Architect scalable, secure, and highly available solutions with clustering, HA, licensing, and secure coding best practices.
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- Optimize system performance and troubleshoot complex networking and security issues using tools such as GDB, Wireshark, and Valgrind.
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- Collaborate with cross-functional engineering teams on architecture, security, product enhancements, and vulnerability remediation.
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Expertise You'll Bring:

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- 8+ years of hands-on experience in C/C++ systems programming on Linux or embedded platforms.
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- Solid understanding of networking

📌 Senior Network Security Software Engineer (Pune)
🏢 Persistent Systems
📍 Pune