Demo

Industrial/OT Network Engineer

Converge Resources
Houston, TX Full Time
POSTED ON 2/27/2025
AVAILABLE BEFORE 5/23/2025

Title : OT Network Engineer

Location : Houston, TX

Employment Type : Full-Time

Job Overview :

Our client, a leading oil & gas company, is seeking an OT Network Engineer to design, implement, and maintain secure and reliable operational technology (OT) networks. The role focuses on supporting industrial control systems (ICS), SCADA environments, and field network infrastructure to ensure high availability and cybersecurity compliance.

Key Responsibilities :

  • Design and maintain industrial network architecture , ensuring security, scalability, and reliability.
  • Configure and troubleshoot routers, switches, firewalls, and VPNs within OT environments.
  • Implement network segmentation strategies to isolate and secure critical OT assets.
  • Conduct risk assessments and vulnerability management for ICS / SCADA networks.
  • Ensure compliance with IEC 62443, NIST 800-82, NERC CIP, and other relevant cybersecurity standards .
  • Support and integrate real-time monitoring, anomaly detection, and network access control solutions .
  • Collaborate with IT and OT teams to develop and enforce network security policies .
  • Provide technical guidance and support for field operations teams and control system engineers.
  • Perform network performance monitoring, traffic analysis, and troubleshooting .
  • Work with vendors and third-party integrators to evaluate and implement secure networking solutions .

Required Qualifications :

  • Bachelor's degree in Network Engineering, Cybersecurity, Computer Science, Electrical Engineering, or a related field.
  • 5 years of experience in OT networking, industrial control systems (ICS), or IT / OT infrastructure.
  • Strong knowledge of industrial networking protocols (Modbus, DNP3, OPC, PROFINET, Ethernet / IP, etc.).
  • Experience with Cisco, Palo Alto, Fortinet, or Juniper networking equipment .
  • Proficiency in firewall management, VPNs, and network access control solutions .
  • Familiarity with ICS security standards and frameworks such as NIST 800-82, IEC 62443, and API 1164.
  • Understanding of Active Directory, DNS, DHCP, VLANs, and network automation .
  • Certifications such as CCNA, CCNP, CISSP, GICSP, or ISA / IEC 62443 are preferred.
  • Preferred Experience :

  • Previous experience in oil & gas, chemical, manufacturing, or utility industries .
  • Hands-on experience with industrial wireless communication and remote connectivity solutions .
  • Experience with cloud-based OT security solutions and SIEM platforms .
  • Knowledge of zero-trust architecture and secure remote access methodologies .
  • Experience working with third-party auditors and regulatory compliance assessments .
  • Why Join Us?

  • Work with a leading oil & gas company focused on cutting-edge OT network solutions .
  • Competitive salary and benefits, including healthcare, retirement plans, and professional development .
  • Opportunity to play a critical role in securing and optimizing industrial network infrastructure .
  • Apply Now : If you are an experienced network engineer with expertise in OT environments and a passion for securing industrial networks, we encourage you to apply today!

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