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Chief Network Security Engineer

Company: Epam Systems

Location: san justo, London

Posted: June 02, 2026

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Position Details

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.

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 stakeholde...