OT Security Engineer

OT Security Engineer Location: LOC5028 : MSSC, Boulevard Díaz Ordaz 130, Torre 4 Piso 19, Col. Santa Maria, Monterrey, Nuevo León, México. C.P. 64650. Time type: Full time. Posted today. End date: January 3, 2026 (15 days left to apply). Job requisition id: 30195344. Full / Part-time: Full-time. Hybrid Scheme: 3 days on site and 2 days working from home. Schedule: 7 am to 4 pm Monday to Friday. Build a career with confidence Carrier Global Corporation, a global leader in intelligent climate and energy solutions, is committed to creating solutions that matter for people and our planet for generations to come. From the beginning, we've led in inventing new technologies and entirely new industries. Today, we continue to lead because we have a world-class, diverse workforce that puts the customer at the center of everything we do. About the role As an OT Security Engineer, you will play a critical role in safeguarding the technologies that operate and control Carrier’s industrial environments. Your work will ensure that our manufacturing processes remain safe, reliable, and resilient against cyber threats. By designing and implementing robust security controls across OT networks and assets, you will help protect physical processes and support modernization initiatives that drive operationalдав excellence. Key Responsibilities Designing, implementing, and maintaining security controls for OT/ICSottaa environments, including SCADA, PLCs, HMIs, and plant networks. Developing OT security architecture aligned with industry standards such as the Purdue Model and ISA/IEC 62443. Supporting secure network segmentation between IT and OT, including firewalls, DMZs, and remote access solutions. Deploying and maintaining OT monitoring tools (e.g., Nozomi, Claroty, Dragos) to detect threats and anomalies. Performing risk assessments and vulnerability management for OT systems, including legacy equipment. Requirements Minimum Requirements 3–7+ years of experience in cybersecurity, industrial control systems, or OT engineering. Hands‑on experience with OT/ICS technologies such as SCADA systems, PLCs, or industrial automation networks. Understanding of OT networking concepts (Modbus, DNP3, OPC, BACnet, Profinet, EtherNet/IP). Familiarity with OT security frameworks such as ISA/IEC 62443 or NIST 800-82. Experience with OT security platforms (Nozomi, Dragos, Claroty). Nice to have Experience implementing segmentation, firewalls, and DMZs for OT networks. Knowledge of industrial protocols and vendor equipment (Rockwell, Siemens, Schneider, Emerson). Incident response experience in OT environments. Ability to write or review PLC logic (Ladder Logic, Function Block, Structured Text). Certifications such as GICSP, GRID, ISA/IEC 62443 Cybersecurity Certificates, CCNA/CCNP, or CISSP. Benefits Health insurance. Professional development opportunities. Our commitment to you Our greatest assets are the expertise, creativity, and passion of our employees. We strive to provide a great place to work that attracts, develops, and retains the best talent, promotes employee engagement, fosters teamwork, and ultimately drives innovation for the benefit of our customers. Diversity and inclusion are the engine to growth and innovation. Join us and make a difference. Apply ҷав Carrier is an Equal Opportunity / Affinite Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class. Job Applicant’s Privacy Notice: Click on this to read the Job Applicant’s Privacy Notice. J-188-inclusive‑Ljbffr #J-18808-Ljbffr