Network Security Engineer
Oceaneering International
Listing collected from Oceaneering International's career site. NextChapter is independent of Oceaneering International.
Houston, TX · Posted October 15, 2026
Just laid off? Start here: a plan for the first weeks
See every open role at Oceaneering International
More in Texas job market · Energy & Utilities · Security jobs
More roles at Oceaneering International
- Cyber Engineer IV · Hanover, MD
- IVA Spacesuit Project Manager P3 – Space Systems · Houston, TX
- IVA Spacesuit Project Engineer P2 – Space Systems · Houston, TX
- Project Engineer II · Panama City, FL
- Software Engineer III · Hanover, MD
- Software Engineer IV, Analysis · Suitland, MD
Similar jobs
- Lead Security Engineer · Thomson Reuters · Frisco, TX
- Lead IT Network Security Engineer · Centerpoint Energy · Houston, TX
- Cybersecurity Engineer SME · Govcio · JBSA Lackland AFB, TX
- CyberSecurity Engineer · Govcio · JBSA Lackland AFB, TX
- Information Systems Security Engineer · OSI Systems · Richardson, TX
- Cloud Security Engineer Sr · LCRA · Austin, TX
Where Houston, TX ranks
Where Houston, TX placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Best cities for manufacturing and industrial jobs887 openings · of 100
- #1Best cities for energy and utilities jobs704 openings · of 27
- #1Cities hosting the most energy & utilities conferences11 conferences · of 15
- #2Cities with the most jobs that do not need a four-year degree in the Southwest481 jobs · of 38
- #2Best cities for software and engineering jobs in the Southwest1,018 openings · of 33
- #2Best all-round cities for mid-career professionals in the Southwest74 / 100 · of 15
Rankings about security jobs
- Best cities for security jobs #1 San Francisco (316 openings)
- Best cities for security pay after cost of living #1 San Mateo ($241k)
- Most requested AI skills in security jobs #1 AI tools in daily work (10.8%)
- Employers with the most security jobs #1 Amazon (318 roles)
How AI is used in this kind of work
Among computer occupations, all other, AI is already used for a large share of the tasks. Measured exposure for computer occupations, all other: 31% (high).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Skills this job asks for
Say which you have and which you want to build. We use it to match you to jobs like this one.
About the job
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.
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
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.
Must be a 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.
Working Conditions
This position is considered office work and is characterized as follows.
Almost exclusively indoors during the day and occasionally at night.
Occasional exposure to airborne dust in the workplace.
Work surface is stable and flat.
Physical Activity / Requirements
The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.
Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
This position is considered light work.
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, and an Employee Assistance Program.
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.