We are seeking a skilled Network Engineer to configure, deploy, maintain, and troubleshoot client routing infrastructure and customer/carrier IPSec VPN tunnels. The ideal candidate should have a strong understanding of network architecture, particularly in supporting mission-critical cellular network connectivity and associated services. Key Responsibilities: Diagnose and resolve network issues, ensuring seamless connectivity and performance. Build and manage IPSec VPNs for customers, ensuring secure communication channels. Develop and document standard operating procedures, including firewall/router configurations, backup processes, and disaster recovery plans. Collaborate with global network, systems engineering, and software development teams to deploy and support new hosted products and services. Configure and maintain regional network performance monitoring systems. Implement security strategies and best practices to safeguard network infrastructure. Provide shift coverage during US/CA hours as part of a 24/7 operations team . ( 6:30 PM to 3:30 AM IST and need to be flexible ). Plan and execute maintenance windows and participate in disaster recovery procedures . Engage in network design, configuration, and implementation for new projects. Upgrade network infrastructure to the latest stable firmware versions. Provide remote support to field engineers and end users. Required Technical Skills: 3+ years of hands-on experience in network routing, switching, and firewall management . Expertise in networking protocols and technologies, including IPSec, BGP, OSPF, VLANs, MPLS, IPv6, VTI & GRE, PBR, NAT, VPDN, and L2TP . Strong ability to learn and adapt to new technologies quickly. Experience working both independently and within a global virtual team . Excellent communication, problem-solving, and time management skills . Hands-on experience with Cisco network support, administration, monitoring, and tuning . CCNA certification is a plus. Previous experience with cellular operators is an advantage. Ability to work with minimal supervision while ensuring consistency and quality. Strong team collaboration, knowledge sharing, and willingness to accept and provide feedback. Preferred Skills Familiarity with GSM/GPRS and 4G networks , including core network elements such as GGSN/PGW, HLR/HSS, and OCS . Knowledge of Python and Ansible for network automation. Experience on cloud platforms such as AWS and GCP. Hands-on experience with Cisco FirePower Next-Gen Firewalls and FTD .
