What are the responsibilities and job description for the OT Network Security Engineer position at National Oilwell Varco?
Job Description
For a complete understanding of this opportunity, and what will be required to be a successful applicant, read on.
We are seeking a skilled and versatile Network Engineer with a specialization in firewalls, wireless network technologies, and Operational Technology (OT) environments. The ideal candidate will have a broad experience with various network security products, including but not limited to Fortinet, and a deep understanding of both IT and OT network security principles. This role will involve designing, implementing, and managing our hybrid IT / OT network infrastructure to ensure the highest levels of performance, security, and reliability across all operational environments.
Key Responsibilities
Design, implement, and manage firewall, wireless, and OT network infrastructure, ensuring seamless integration between IT and OT environments.
Configure and maintain firewalls across multiple vendors, including Fortinet (FortiGate, FortiAnalyzer, FortiManager) and other industry-leading products such as Palo Alto Networks, Cisco ASA, and Check Point.
Monitor network performance and security across IT and OT networks, proactively identifying and resolving issues to minimize downtime and vulnerabilities.
Develop, enforce, and regularly review network security policies and procedures, with a focus on compliance and risk management in OT environments.
Conduct regular network assessments, vulnerability testing, and risk analysis, particularly in OT environments that may involve critical infrastructure.
Collaborate with cross-functional IT and OT teams to integrate security solutions, improve network performance, and support operational technologies.
Provide technical support and troubleshooting for network-related issues across both IT and OT networks.
Document network configurations, changes, and updates, with an emphasis on maintaining clear and accurate records for OT environments.
Stay up-to-date with the latest developments in network technologies, security threats, and OT-specific vulnerabilities, ensuring the organization is protected against emerging risks.
Qualifications
Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.
Proven experience as a Network Engineer with a focus on firewalls, wireless technologies, and OT environments.
Extensive experience with network security products from multiple vendors, including Fortinet, Palo Alto Networks, Cisco, and others.
Strong understanding of network security principles, best practices, and the unique challenges of securing OT networks.
Proficiency in configuring and managing wireless networks, with experience in both IT and OT settings.
Experience with network monitoring and management tools across hybrid IT / OT environments.
Excellent problem-solving skills, attention to detail, and ability to work effectively in high-stakes environments.
Strong communication and interpersonal skills, with the ability to collaborate across IT and OT teams.
Relevant certifications such as Fortinet NSE (Network Security Expert), Cisco CCNA / CCNP, Palo Alto PCNSE, or equivalent are preferred.
Preferred Experience
Experience with other network security products and vendors, including those specific to OT environments (e.g., Siemens, Schneider Electric).
Familiarity with network automation, scripting, and the integration of IT / OT systems.
Knowledge of cloud networking and security, with an understanding of how these apply to OT environments.
Experience in securing SCADA systems, ICS, and other critical OT technologies.
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