We are seeking a highly skilled Cisco Enterprise Networking & Zscaler Engineer to design, implement, support, and optimize enterprise network and security infrastructure. The role focuses on delivering secure, reliable, and high-performing network services while supporting transformation initiatives aligned with Zero Trust and modern cloud-delivered security architectures. The ideal candidate will have strong experience in Cisco networking environments, Zscaler ZIA and ZPA administration, enterprise WAN technologies, and network security operations. Key Responsibilities Network Engineering & Operations • Design, implement, and support enterprise LAN, WAN, WLAN, SD-WAN, and VPN environments. • Configure and manage Cisco networking infrastructure supporting routing, switching, and enterprise connectivity services. • Perform network capacity planning, performance tuning, troubleshooting, and infrastructure optimization. • Monitor network availability and resolve network performance issues to minimize downtime. • Lead network upgrades, migrations, and technology refresh initiatives. • Maintain network diagrams, operational procedures, standards, and technical documentation. • Support Cisco SD-WAN OR Enterprise WAN/SD-WAN environments based on business requirements. Zscaler Administration & Security • Deploy, configure, and manage Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) solutions. • Implement and maintain Zero Trust OR SASE/SSE concepts within the enterprise security architecture. • Manage secure access policies, application access controls, and traffic forwarding configurations. • Optimize connectivity through GRE/IPSec tunnels and Client Connector deployments. • Monitor security events and collaborate with security teams on incident investigation and remediation activities. Security & Compliance • Implement and enforce network security controls and organizational security policies. • Support firewall administration, VPN services, and network segmentation initiatives. • Participate in security audits, risk assessments, and compliance activities. • Perform vulnerability remediation and support security incident response efforts. Incident & Problem Management • Troubleshoot complex network and connectivity issues across on-premises and cloud-connected environments. • Lead root cause analysis activities and implement preventive measures. • Work closely with vendors and internal stakeholders to resolve critical incidents. • Participate in on-call and escalation support rotations as required. Required Skills Proficient • Cisco Enterprise Networking (Routing & Switching AND LAN/WAN AND TCP/IP troubleshooting) • Zscaler ZIA AND ZPA administration • Cisco SD-WAN OR Enterprise WAN/SD-WAN • Network Security AND Firewall/VPN Intermediate • Zero Trust OR SASE/SSE concepts Experience • 5+ years of enterprise network engineering experience. • 3+ years of hands-on experience with Zscaler platforms. • Experience supporting large-scale enterprise networks.