Senior Network Security Engineer CCIE (SDWAN)_Remote_ Long term Contract _10+ years exp , independent consultant req

This role will need an accomplished Senior Network &

Security Engineer to design, implement, and manage
secure, large-scale enterprise network environments across global operations.
The ideal candidate will bring deep technical expertise in SD-WAN, Next-Gen Firewalls, Cloud Networking
(AWS/Azure), Zero Trust (ZScaler), and Data Center modernizations, with a proven record of leading multi-
vendor, multi-country network projects.
This individual will play a key role in ensuring high availability, security, and scalability of enterprise IT
infrastructure.
Key Responsibilities
Network Architecture & Operations

Design, deploy, and maintain enterprise WAN/LAN infrastructures across hundreds of sites
globally.
Lead SD-WAN transformations (Cisco, Fortinet, VeloCloud) to improve performance, visibility, and
security.
Configure and support routing & switching (BGP, OSPF, EIGRP, VRFs, vPC, HSRP, GLBP, VLANs, STP,
EtherChannel).
Manage large-scale Wi-Fi deployments and unified collaboration systems (Cisco CUCM, MS
Teams).
Security Engineering

Implement and administer NGFWs (Cisco ASA/Firepower, Fortinet, Palo Alto) and VPN solutions
(IPSec, DMVPN, GRE over IPsec).
Deploy and maintain Zero Trust architecture (ZScaler ZIA/ZPA/ZDX).
Integrate NAC/ISE solutions with AD/PKI for secure authentication and posture compliance.
Ensure alignment with PCI DSS, ITIL, ISO standards and support internal/external audits.

Cloud Networking

Configure hybrid cloud connectivity (Azure vWAN, ExpressRoute, AWS Direct Connect).
Manage cloud security controls (NSGs, Azure Firewall, load balancers, VNET/VPC peering).
Enable secure and optimized access to multi-region cloud environments.

Monitoring & Performance

Utilize tools like SolarWinds, PRTG, ManageEngine, and Cisco Prime for proactive monitoring.
Conduct capacity planning, lifecycle management, and performance optimization for thousands of
devices.
Develop automation scripts (Python, Ansible) for bulk configurations and efficiency.

Required Qualifications

5 years of enterprise network & security engineering experience.
Strong hands-on expertise with Cisco, Palo Alto, Fortinet, Juniper, and F5.
Certifications: CCIE REQUIRED
Proven track record in SD-WAN rollouts, NAC/ISE, and Zero Trust adoption.
Strong knowledge of compliance frameworks (PCI DSS, SOX, ISO, ITIL).
Excellent troubleshooting, communication, and leadership skills.