Job Description

About Carrier

Carrier, global leader in intelligent climate and energy solutions, is committed to creating innovations that bring comfort, safety and sustainability to life. Through cutting-edge advancements in climate solutions such as temperature control, air quality and transportation, we improve lives, empower critical industries and ensure the safe transport of food, life-saving medicines and more. Since inventing modern air conditioning in 1902, we lead with purpose: enhancing the lives we live and the world we share. We continue to lead because of our world-class, inclusive workforce that puts the customer at the center of everything we do. For more information, visit corporate.carrier.com or follow Carrier on social media at @Carrier.

About This Role

The Principal OT Security Architect is a senior-level individual contributor responsible for designing and guiding the implementation of secure architectures across Carrier’s global operational technology landscape. This role partners closely with engineering, infrastructure, and business teams to ensure that security is embedded into the design of OT systems, platforms, and services. The ideal candidate brings deep technical expertise in OT/ICS cybersecurity, strategic thinking, and a strong understanding of industrial control systems and enterprise security architecture.

Key Responsibilities

• Design and maintain scalable, secure, and resilient OT security architectures.

• Develop and publish OT security reference architectures, patterns, and standards.

• Lead architectural reviews, threat modeling, and security assessment engagements across business units.

• Conduct interviews with business and technology leaders and facilitate cybersecurity workshops.

• Perform physical security walk-downs, technical configuration reviews, and personnel interviews.

• Provide expert guidance on secure design principles for ICS, MES, DCS, and other OT systems.

• Evaluate emerging technologies and assess their security implications in OT environments.

• Collaborate with engineering and operations teams to ensure secure implementation of OT solutions.

• Contribute to the development of OT security architecture frameworks and governance processes.

• Act as a subject matter expert (SME) for OT security architecture in cross-functional initiatives.

• Support the development of OT security roadmaps and risk mitigation strategies.

• Promote the adoption of secure-by-design principles across OT systems and processes.

• Support business development activities including proposal writing and client presentations.

• Lead and mentor consultants and security analysts in OT cybersecurity engagements.

Required Qualifications

• Bachelor’s Degree and 6+ years of experience in cybersecurity, IT, OT, or engineering

OR

• High School Diploma/GED and 10+ years in cybersecurity, IT, OT, or engineering

• Ability and willingness to travel.

Preferred Qualifications

• Proven experience performing OT/ICS cybersecurity functions including risk management, vulnerability assessments, and strategy development.

• Expertise in securing OT/ICS network architecture across the Purdue reference model.

• Knowledge of security systems/products including firewalls, intrusion detection, anti-malware software, authentication systems, and log management.

• Experience with common industrial network protocols including Serial, Modbus, Profibus, and EthernetIP.

• Familiarity with cybersecurity frameworks such as IEC 62443, ISO 27001, NIST SP 800-82, and NIS 1 / NIS 2.

• Strong communication, presentation, and stakeholder engagement skills.

• Experience in both IT and OT security environments.

• Experience influencing security strategy and policy without direct authority.

• Experience in OT security architecture, including systems security engineering, solution design, deployment, and evaluation.
• Certifications such as CISSP, GICSP, CISM, CFSE/CFSP are desirable.

• Proven ability to manage, mentor, and coach a team.

Additional Information

• Immigration sponsorship is not supported for this position.