Summary: Lead network security architecture and operations for hybrid cloud and on-prem environments, ensuring resilient connectivity for an Oil & Gas client. Highlights: 1. Lead secure network design and operations across AWS and Azure 2. Strengthening hybrid cloud and on-prem network security 3. Collaborate with client stakeholders in Oil & Gas environments 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. You will lead secure network design and operations across AWS and Azure and help keep critical connectivity resilient—apply to join the team. **Responsibilities** * 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 stakeholders to align security controls with operational needs in Oil \& Gas environments **Requirements** * 7\+ years of hands\-on network security experience * Strong leadership capability to guide network security decisions and standards * Proven project experience delivering hybrid cloud and on\-prem connectivity initiatives * Advanced AWS networking and security skills (VPCs, routing, Security Groups, WAF, connectivity) * Working Azure networking skills (VNets, NSGs, Azure Firewall, Application Gateway) * Hands\-on firewall skills (Palo Alto preferred; Cisco ASA/Firepower acceptable) * Load balancer knowledge (F5, A10, or cloud equivalents) * SASE/web filtering experience (Prisma Access or similar) * Strong TCP/IP networking fundamentals including DNS and NAT * Strong troubleshooting skills for complex network and connectivity issues * Upper\-Intermediate English proficiency (B2, Upper\-Intermediate)