Lead Network Security Engineer

We are hiring a Lead Network Security Engineer to strengthen hybrid cloud and on-prem network security for a leading Oil & Gas client. You will drive secure network design and day-to-day operations across AWS and Azure while keeping critical connectivity stable and protected—apply today.

Responsibilities

• Lead network security architecture for hybrid environments spanning 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

• 5+ years of hands-on experience in network security
• Strong leadership capability to steer network security standards and decisions
• 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)

We offer

• International projects with top brands
• Work with global teams of highly skilled, diverse peers
• Healthcare benefits
• Employee financial programs
• Paid time off and sick leave
• Upskilling, reskilling and certification courses
• Unlimited access to the LinkedIn Learning library and 22,000+ courses
• Global career opportunities
• Volunteer and community involvement opportunities
• EPAM Employee Groups
• Award-winning culture recognized by Glassdoor, Newsweek and LinkedIn