Job Title: System Engineer VPN & Network Infrastructure Location: Noida Department: IT / Infrastructure Employment Type: Full-Time Job Summary: We are seeking a skilled and proactive System Engineer with hands-on experience in designing, implementing, and managing VPN solutions and secure network infrastructures . The ideal candidate will have a deep understanding of system administration, network protocols, and cyber security best practices, and will be responsible for creating custom VPNs, ensuring secure remote access, and maintaining robust internal IT systems. Key Responsibilities: Design, deploy, and manage custom VPN solutions (e.g., OpenVPN, WireGuard, IPSec, etc.) for secure remote connectivity. Configure and maintain network infrastructure , including routers, firewalls, switches, and access points. Monitor and troubleshoot VPN performance and connectivity issues, ensuring high availability and reliability. Implement security protocols and best practices to safeguard internal systems and remote access points. Work with cross-functional teams to support infrastructure needs for software development, testing, and deployment. Manage user access and authentication for VPN usage (e.g., certificates, multi-factor authentication). Maintain documentation for VPN configurations, system architecture, and network topology. Perform regular system upgrades, patches, and backups to ensure optimal performance and security. Conduct audits and compliance checks to meet internal and external security standards. Provide technical support and training to internal teams related to VPN access and system tools. Required Skills and Qualifications: Bachelors degree in Computer Science, Information Technology, or a related field. 2–5 years of experience as a System Engineer, Network Administrator, or a similar role. Strong proficiency in C++ and Linux/Unix system administration (mandatory). Proven experience in setting up and managing custom VPNs (OpenVPN, WireGuard, StrongSwan, etc.). Solid understanding of firewalls, routing, and IP addressing. Experience with scripting languages such as Bash or Python for automation tasks. Good grasp of cybersecurity fundamentals, encryption techniques, and access control mechanisms. Exposure to cloud infrastructure platforms like AWS or Azure is an advantage. Strong analytical and problem-solving skills. Excellent communication and documentation abilities.