Senior OT/ICS Cybersecurity Architect
Dragonfli Group
full-time
Posted on:
Location Type: Hybrid
Location: Texas • 🇺🇸 United States
Visit company websiteJob Level
Senior
Tech Stack
Cyber SecurityServiceNowSplunk
About the role
- Serve as the trusted security architect guiding industrial organizations through the complexities of Operational Technology (OT) and Industrial Control Systems (ICS) cybersecurity.
- Lead the design and implementation of secure architectures for SCADA, DCS, and PLC-based environments, ensuring safe, resilient, and compliant industrial operations.
- Partner with cross-functional IT and OT teams to close security gaps, integrate tools, and align operational risk management with industry standards such as NIST 800-82 and IEC 62443.
- Deploy and optimize leading security solutions including Claroty for asset discovery and vulnerability management, Palo Alto and Cradlepoint for secure networking, CrowdStrike for monitoring, BeyondTrust for privileged access, and Splunk/ServiceNow for visibility and incident management.
- Conduct consequence-based risk assessments, oversee vulnerability remediation programs, and ensure readiness for regulatory audits.
- Drive incident response preparedness by creating OT-specific playbooks and coordinating joint exercises across IT and OT teams.
- Deliver policies, training, and workshops that empower plant operators, engineers, and third-party vendors to uphold a strong cybersecurity posture.
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.
Benefits
- Insurance - Health, Dental, & Vision
- PTO & 11 Federal Holidays
- 401(k) employer match
- Travel
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard skills
OT cybersecurityICS cybersecuritysecure architecture designrisk assessmentsvulnerability remediationincident responsesecurity policiestraining deliveryworkshop facilitationcompliance standards
Soft skills
leadershipcollaborationcommunicationproblem-solvingorganizational skillstraining and mentoringcross-functional teamworkincident managementstrategic planningadaptability