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Operational Technology Network Administrator

1 month ago

Point, Texas, United States Dexian Full time
Job Title: Operational Technology Network Administrator

At Dexian, we are seeking a highly skilled and proactive Operational Technology (OT) Network Administrator to join our team. As a key member of our OT team, you will be responsible for overseeing and maintaining the network infrastructure within our OT environment.

Key Responsibilities:
  • Configure, manage, and troubleshoot Cisco IE-3300 and Catalyst 9300 switches within an OT network.
  • Implement, configure, and monitor Palo Alto firewalls to secure network traffic and enforce security policies across OT systems.
  • Deploy, manage, and monitor OT security tools such as Claroty CTD and SRA for threat detection and secure remote access.
  • Administer Carbon Black Application Control for OT network endpoints, ensuring that endpoints are protected from unauthorized applications and potential threats.
  • Oversee wireless network deployments using Cambium and TropOS solutions to ensure seamless and secure connectivity for all OT systems.
  • Utilize SolarWinds to monitor network performance, bandwidth utilization, and identify potential issues within the OT environment.
Requirements:
  • Bachelor's degree in information technology, Computer Science, or a related field (or equivalent work experience).
  • Minimum 5 years of experience working as a network administrator in an OT or industrial environment.
  • Strong hands-on experience with Cisco IE-3300 and Catalyst 9300 switches.
  • Proficient in managing Palo Alto Firewalls and Claroty CTD/SRA.
  • Familiarity with SolarWinds for network monitoring and performance analysis.
  • Experience with Carbon Black Application Control for endpoint security.
  • Knowledge of Microsoft Azure for cloud integration within an OT environment.
Preferred Qualifications:
  • Excellent problem-solving abilities, strong communication skills, and the ability to work effectively in cross-functional teams.
  • Knowledge of OT network security frameworks such as IEC-62443.
  • Familiarity with SCADA systems and real-time industrial control environments.

Dexian is an Equal Opportunity Employer that recruits and hires qualified candidates without regard to race, religion, sex, sexual orientation, gender identity, age, national origin, ancestry, citizenship, disability, or veteran status.