Network Security Engineer

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

Job Description

The Network Security Engineer will play a vital role in ensuring the security and efficiency of Oceaneering International's global network infrastructure. This position demands a hands‑on approach, bridging traditional networking practices with modern security solutions. The ideal candidate will have a strong background in network engineering, with a focus on security, and will be responsible for designing, implementing, and maintaining secure network environments.

Job Description

The Network Security Engineer will play a vital role in ensuring the security and efficiency of Oceaneering International's global network infrastructure. This position demands a hands‑on approach, bridging traditional networking practices with modern security solutions. The ideal candidate will have a strong background in network engineering, with a focus on security, and will be responsible for designing, implementing, and maintaining secure network environments.

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.

Required

QUALIFICATIONS

• 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.
• 3+ years of experience in BGP, Cisco Routing/Switching, and WAN technologies is essential.
• 3+ years of experience and understanding of Palo Alto Firewalls and their features, including Panorama.
• 3+ years managing large scale firewall environments and deployments.
• U.S Citizen or Lawful Permanent Resident
• Excellent leadership and communication skills, with the ability to work collaboratively and independently.
• A proactive and analytical mindset, committed to continuous learning and staying updated with security advancements.

Preferred

• Experience with Azure/AWS networking security, including NSGs and Virtual WAN, is preferred.
• Proficiency in automation tools like Ansible, Python, or Terraform is highly desirable.
• Certifications such as PCNSE, CCNP Security, or CCIE are advantageous.
• Experience with Zscaler solutions and their integration into a SASE framework.

We offer a comprehensive and competitive benefits package.

Employee benefits vary by role, however, may include:

• Health and Wellness
• Mental Health
• Retirement Savings
• Life and Disability
• Paid Maternity and Parental Leave
• Paid Time Off
• Tuition Reimbursement
• Employee Assistance Program

About Us

Oceaneering is a global provider of engineered services and products, primarily to the offshore energy industry. We develop products and services for use throughout the lifecycle of an offshore oilfield, from drilling to decommissioning. We operate the world's premier fleet of work class ROVs. Additionally, we are a leader in offshore oilfield maintenance services, umbilicals, subsea hardware, and tooling. We also use applied technology expertise to serve the defense, material handling, aerospace, science, and renewable energy industries.

Equal Opportunity Employer

All qualified candidates will receive consideration for all positions without regard to race, color, age, religion, sex (including pregnancy), sexual orientation, gender identity, national origin, veteran status, disability, genetic information, or other non-merit factor.

About The Team

Our regional support functions play a critical role in enabling the success of all Oceaneering business units. These teams include disciplines such as Finance, HR, Recruitment, IT, HSE, Supply Chain, Quality, and Administration. Operating collaboratively across multiple departments and geographic locations, they provide responsive, high-quality support that ensures our operations run efficiently and safely. Having these teams based locally allows us to make timely decisions, respond quickly to operational needs, and maintain strong alignment with our business units and workforce.