C++ Network Security
Confirmed on the employer's own hiring board on Oct 18, 2026. First seen by Alion on Jul 22, 2026. Persistent Systems scores B on the Alion truth index.
About Persistent
We are an AI-led, platform-driven Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients anticipate what?s next. Our offerings and proven solutions create a unique competitive advantage for our clients by giving them the power to see beyond and rise above. We work with many industry-leading organizations across the world, including 20 Fortune 50 companies and 4 of the 5 top banks in both the US and India, and numerous innovators across the healthcare ecosystem.
Our disruptor?s mindset, commitment to client success, and agility to thrive in the dynamic environment have enabled us to sustain our growth momentum. Persistent has been recognized across top industry platforms for innovation, leadership, and inclusion. We reported $1,654.4M FY26 revenue with 17.4% Y-o-Y growth. We have delivered 24 sequential quarters of growth with $436.0M in Q4 FY26 revenue, up 3.2% Q-o-Q and 16.2% Y-o-Y growth. Our 27,500+ global team members, located in 18 countries, have been instrumental in helping the market leaders transform their industries. We have been recognized as the Fastest Growing IT Services Brand Globally in the 2026 Brand Finance IT Services 25 Report. We named a Leader in the Everest Group Private Equity (PE) Services PEAK Matrix? Assessment 2026 and Software Product Engineering PEAK Matrix? Assessment 2026.
About Position:
We are looking for a C++ Network Security Engineer with 7+ years of experience to join our team in Pune. The ideal candidate should have strong expertise in C++, Network Security, and Linux kernel-level programming, with hands-on experience in high-performance networking, cybersecurity solutions, and packet processing technologies. The role involves designing, developing, and optimizing secure networking solutions for enterprise-grade systems.
- Role: C++ Network Security
- Location: Pune
- Experience: 7+ Years
- Job Type: Full-Time Employment
What You'll Do:
- Expert C/C++ Programming: Advanced systems programming skills in C/C++ within Linux/embedded kernels for high-performance networking.
- L3-L7 Networking Protocols: Deep development experience with TCP/IP, Routing, Switching, and security protocols (SSL/TLS, IPSec).
- Data Plane & Packet Processing: Expertise in multi-core architecture, packet processing engines, and optimizing data path performance (DPDK/UDK).
- Cybersecurity Defense Modules: Background in developing security features like DPI (Deep Packet Inspection), IPS, Malware Protection, and Firewall policies.
Expertise You'll Bring:
- Working experience onIPSec, Security vulnerabilities ? Linux network packages, L2/L3 level deep knowledge in R&S, Linux TCP/IP L2/L3 network stack implementation, ODA/DPDK at library implementation level)
- System Architecture & Performance: Proven ability to design scalable, high-throughput systems including High Availability (HA) and clustering.
- Troubleshooting & Debugging: Proficiency using GDB, Wireshark, and Valgrind to solve complex memory leaks and network bottlenecks in real-time environments.
Benefits:
- Competitive salary and benefits package
- Culture focused on talent development with quarterly growth opportunities and company-sponsored higher education and certifications
- Opportunity to work with cutting-edge technologies
- Employee engagement initiatives such as project parties, flexible work hours, and Long Service awards
- Annual health check-ups
- Insurance coverage: group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parents
Values-Driven, People-Centric & Inclusive Work Environment:
Persistent is dedicated to fostering diversity and inclusion in the workplace. We invite applications from all qualified individuals, including those with disabilities, and regardless of gender or gender preference. We welcome diverse candidates from all backgrounds.
- We support hybrid work and flexible hours to fit diverse lifestyles.
- Our office is accessibility-friendly, with ergonomic setups and assistive technologies to support employees with physical disabilities.
- If you are a person with disabilities and have specific requirements, please inform us during the application process or at any time during your employment
Let's unleash your full potential at Persistent - persistent.com/careers
"Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind."