Dragonfli Group

Cyber Operational Technology / Industrial Control Systems (OT/ICS) Senior Consultant

Dragonfli Group

full-time

Posted on:

Origin:  • 🇺🇸 United States

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Job Level

Senior

Tech Stack

CloudCyber SecurityIoTServiceNowSplunk

About the role

  • OT/ICS Security Architecture & Design: Lead the design and implementation of OT/ICS cybersecurity architectures, including network segmentation, secure remote access, and integration with IT security controls.
  • Develop and document security reference architectures, blueprints, and roadmaps tailored to client environments and industry standards (e.g., NIST 800-82, IEC 62443).
  • Evaluate, select, and deploy OT/ICS cybersecurity technologies, with hands-on experience in: Claroty for OT asset discovery and vulnerability management; Palo Alto and Cradlepoint for firewall configuration, segmentation, and secure connectivity; CrowdStrike for OT monitoring and threat detection; BeyondTrust for privileged secure remote access management; Familiarity with Cisco, ServiceNow, Splunk, CrowdStrike (Falcon Discover for IoT) and TxOne.
  • Conduct security acceptance testing and validation of new or updated OT systems to ensure compliance with security requirements and industry best practices.
  • Risk Assessment & Vulnerability Management: Perform consequence-based risk assessments for OT environments; lead vulnerability management; support regulatory readiness audits.
  • Incident Response & Monitoring: Design and implement OT/ICS security monitoring; leverage CrowdStrike and Splunk; develop and test incident response plans; integrate with ServiceNow.
  • Governance, Policy, and Training: Develop policies, standards; deliver training; advise on governance frameworks.
  • Client Engagement & Leadership: Serve as SME in client meetings, lead project teams, mentor staff, contribute to business development; stay current on OT/ICS threats.

Requirements

  • Bachelor's degree in Engineering, Computer Science, Information Security, or related field.
  • 7+ years of experience in OT/ICS cybersecurity, including hands-on experience with industrial control systems (e.g., SCADA, DCS, PLCs) in sectors such as oil & gas, energy, utilities, or manufacturing.
  • 4+ years of demonstrated experience designing and implementing OT/ICS security architectures and controls using tools such as Claroty, Palo Alto, Cradlepoint, CrowdStrike, BeyondTrust PRA, and familiarity with Cisco, ServiceNow, Splunk, and TxOne.
  • Ability to travel up to 50%, on average, based on the work you do and the clients and industries/sectors you serve, primarily within the Houston region.
  • Advanced degree preferred.
  • Professional certifications such as GICSP, CISSP, CISM, ISA/IEC 62443, or equivalent.
  • Strong knowledge of OT/ICS protocols (e.g., Modbus, DNP3, OPC, Profibus), network architectures, and common vulnerabilities.
  • Experience with cloud-based OT/ICS security solutions and IT/OT convergence initiatives.
  • Experience with OT/ICS cybersecurity technologies for asset discovery, vulnerability management, network monitoring, endpoint protection, and privileged access management.
  • Familiarity with industry standards and frameworks (e.g., NIST 800-82, IEC 62443, NERC CIP).
  • Experience conducting risk assessments, vulnerability management, and incident response in OT environments.
  • Strong communication skills, with the ability to present complex technical concepts to both technical and non-technical audiences.
  • Demonstrated leadership in project delivery and client engagement.
  • Prior consulting experience with a focus on critical infrastructure or industrial sectors.
  • Experience developing and delivering OT/ICS cybersecurity training programs.