OT Security Technical Lead

Crown

. Design, implement, and continuously improve cybersecurity controls across Crown’s global manufacturing OT environments .

Posted 9/18/2026full-timeYardley • Pennsylvania • United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and implementing cybersecurity controls for operational technology (OT) environments, with a strong focus on industrial control systems and secure network architecture. Proficient in risk assessment, vulnerability remediation, and maintaining compliance with industry standards such as ISA/IEC 62443.

Highest-signal resume keywords

OT/ICS Engineering ExperienceSecurity Controls ImplementationIndustrial Control Systems KnowledgeOT Security Platforms ProficiencyISA/IEC 62443 Familiarity

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Cybersecurity Controls DesignIndustrial Control SystemsNetwork SegmentationVulnerability AssessmentRisk AssessmentSecure Remote AccessPLC ProgrammingSCADA SystemsHMI ConfigurationOT Security Architecture

Soft Skills

Strategic ThinkingAdvanced Problem-SolvingStrong OrganizationExcellent CommunicationRelationship-Building

Tools & Technologies

Nozomi NetworksClarotyDragosMicrosoft Defender for IoTTenable OTEtherNet/IPModbusDNP3OPC UAPROFINET

Certifications & Qualifications

GICSPGRIDISA/IEC 62443 Cybersecurity ExpertTOGAF

Industry Keywords

Operational TechnologyIndustrial AutomationCybersecurityPurdue ModelISA-95NIST SP 800-82Industrial Control SystemsFactory AutomationSecure CommunicationsIndustrial DMZ

Tech Stack

Tools & technologies

Cyber SecurityFirewallsIoT

About the role

Key responsibilities & impact

Design, implement, and continuously improve cybersecurity controls across Crown’s global manufacturing OT environments
Protect industrial control systems, factory automation systems, and other OT technologies while safeguarding personnel, production continuity, and product quality
Partner with regional IT teams, manufacturing plant personnel, and the Global Security Team to implement and maintain OT security solutions
Ensure OT-related systems are securely configured and aligned with Crown security standards
Develop security controls for PLCs, RTUs, HMIs, engineering workstations, historians, SCADA systems, DCS platforms, and industrial network equipment
Serve as lead technical subject matter expert for OT security solution implementations and changes
Define standard processes and author detailed technical guides for operational transitions
Identify OT security configuration issues and coordinate timely remediation with minimal operational impact
Maintain accurate inventories of OT assets
Participate in OT incident response, including triage, containment, recovery, root-cause analysis, and lessons learned
Perform vulnerability assessments and support remediation planning for OT systems
Define and maintain OT cybersecurity architecture, roadmap, standards, and reference designs
Design secure industrial network segmentation and zoning strategies aligned with the Purdue Model, ISA-95, and ISA/IEC 62443
Conduct OT security architecture reviews, threat modeling, risk assessments, and security gap analyses
Identify, assess, and select global OT security solutions and changes
Produce detailed designs and implementation plans
Collaborate with regional IT teams, plant engineers, and operators to ensure controls are feasible, maintainable, and do not compromise production or safety
Support projects and initiatives by ensuring OT components and changes are securely configured

Requirements

What you’ll need

5+ years of experience in OT/ICS engineering, industrial automation, cybersecurity or a related field
Experience designing and/or implementing security controls/solutions for OT, industrial control systems or components such as PLC, HMI, and SCADA
Strong practical understanding of industrial control systems and communications protocols, including EtherNet/IP, CIP, S7 communication, Modbus, DNP3, OPC Classic/OPC UA, PROFINET, and BACnet
Proficiency in OT network architecture and security controls, including network segmentation, firewalls, industrial DMZs, secure remote access, and secure communications
Demonstrated ability to identify, assess, and remediate OT-related security risks, vulnerabilities, and configuration weaknesses
Hands-on experience with OT security platforms such as Nozomi Networks, Claroty, Dragos, Microsoft Defender for IoT, Tenable OT, or comparable technologies
Familiarity with Siemens, Rockwell Automation, Schneider Electric, Honeywell, Emerson, and GE industrial automation technologies
Experience serving as a technical lead on large-scale projects involving geographically distributed and cross-cultural teams
Demonstrated experience defining and implementing security standards, processes, and governance within large corporate IT environments
Working knowledge of ISA/IEC 62443, NIST SP 800-82, and the Purdue Enterprise Reference Architecture (PERA)
Bachelor’s degree in Information Systems, Computer Science, Cybersecurity, or equivalent experience
Preferred certifications: GICSP, GRID, ISA/IEC 62443 Cybersecurity Expert or similar
TOGAF certification desirable
Strategic thinking, advanced problem-solving and troubleshooting skills, strong organization and prioritization, excellent communication, proactive self-direction, and relationship-building abilities

Benefits

Comp & perks

Flexible work hour schedule
Professional and personal development through training and work experiences
Strong engagement and commitment to the safety of employees
Opportunity to build a meaningful career
Inclusive environment that values and respects each individual