We are seeking a Chief Network Security Engineer to support a staff augmentation engagement with a leading Oil & Gas client, strengthening hybrid cloud and on‑prem network security.

• Lead network security architecture for hybrid environments across cloud and on‑prem connectivity.
• Design secure AWS networking and security controls for VPCs, routing, Security Groups, WAF, and connectivity.
• Implement Azure networking security using VNets, NSGs, Azure Firewall, and Application Gateway.
• Configure and maintain firewalls, prioritizing Palo Alto and supporting Cisco ASA/Firepower where needed.
• Integrate web filtering and SASE solutions such as Prisma Access to enforce secure access.
• Deploy and tune load balancing solutions using F5, A10, or cloud equivalents.
• Troubleshoot complex network issues across TCP/IP, DNS, and NAT to restore services quickly.
• Collaborate with client stakeholde...