Senior Network Security Engineer: NGFW, ZIA/ZPA & SASE

Oceaneering; Houston (TX); On-site; USD 90,000 - 130,000; Full time

Job summary

Oceaneering is seeking a Network Security Engineer to design, implement, and maintain secure global networks. The role bridges traditional networking with modern security, requiring hands-on expertise in firewall, VPN, and access control technologies.

You will lead security-focused projects, configure Palo Alto NGFWs and Zscaler, manage BGP and Cisco devices, and drive incident response with a proactive security mindset. Collaboration across teams is essential.

Qualifications

• 3+ years of experience in BGP, Cisco routing/switching, and WAN technologies.
• 3+ years of experience with Palo Alto Firewalls and Panorama.
• 3+ years managing large scale firewall environments and deployments.
• U.S Citizen or Lawful Permanent Resident.
• Proven track record in managing critical network operations in a 24/7 high-availability environment.
• Strong knowledge of incident response and policy management in a security operations context.
• Excellent leadership and communication skills, with the ability to work collaboratively and independently.

Responsibilities

• Design and configure Palo Alto Next-Generation Firewalls (NGFW) and Panorama for centralized security management.
• Implement and monitor Zscaler Internet Access (ZIA) and Private Access (ZPA) to secure user traffic and enhance network security.
• Configure and implement security policies, including App-ID and User-ID, to ensure network integrity.
• Manage complex enterprise networks, including BGP routing and Cisco routers/switches, for optimal performance.
• Administer Cisco Identity Services Engine (ISE) for network access control and identity management.
• Lead incident response, performing deep analysis and implementing containment strategies for network security incidents.
• Automate routine firewall changes and security checks using scripting languages to improve efficiency.
• Create and maintain comprehensive documentation, ensuring compliance and knowledge sharing within the team.
• Stay updated with the latest security trends and best practices, contributing to a proactive security culture.

Skills

Incident response

Network operations

Leadership

Communication

Automation scripting

Tools

Palo Alto Firewalls (NGFW)

Panorama

Zscaler ZIA/ZPA

Cisco Routing/Switching

Cisco ISE

Python

Ansible

Terraform

Azure/AWS networking

Job description

Oceaneering is seeking a Network Security Engineer to design, implement, and maintain secure global networks. The role bridges traditional networking with modern security, requiring hands-on expertise in firewall, VPN, and access control technologies.

You will lead security-focused projects, configure Palo Alto NGFWs and Zscaler, manage BGP and Cisco devices, and drive incident response with a proactive security mindset. Collaboration across teams is essential.