Senior OT Security Engineer

Donaldson is committed to solving the world’s most complex filtration challenges. Together, we make cool things. As an established technology and innovation leader, we are continuously evolving to meet the filtration needs of our changing world. Join a culture of collaboration and innovation that matters and a chance to learn, effect change, and make meaningful contributions at work and in communities. ​ The Senior OT Security Engineer leads cybersecurity efforts across OT environments, serving as a subject-matter expert, driving proactive governance and risk reduction across manufacturing, distribution, and lab operations. What’s in it for you A dynamic and supportive team culture where your initiative, input, and hands-on mindset can directly shape daily operations The unique opportunity to be part of building a new global OT Cybersecurity team from the ground up Long-term contract with a competitive salary, health insurance, pension plan, meal vouchers, and growth opportunities in a fast-evolving organization Role Responsibilities Lead & implement OT cybersecurity strategy for manufacturing and distribution environments Partner with leaders across manufacturing, quality, supply chain, and IT Translate enterprise goals into OT programs and roadmaps, drive risk assessments, and guide cross‑functional teams in engineering, manufacturing in OT security assessments, including plant audits and segmentation validation Direct risk assessments, threat modeling, and vulnerability analyses Establish and improve OT security policies and governance Design and implement security controls for industrial environments (firewalls, monitoring, zoning) Evaluate and deploy OT security tools (asset discovery, threat detection, remote access solutions) Serve as a technical SME for new plant systems and integrations Lead OT incident readiness, response, and resilience. Develop investigation efforts & mitigation strategies Mentor junior engineers and provide technical guidance Collaborate cross-functionally to improve plant security posture Minimum Qualifications Bachelor’s degree or equivalent experience 5+ years of cybersecurity experience with OT/ICS exposure Strong knowledge of industrial networks, security architecture, and risk management Executive-level communication skills, both verbal and written, capable of articulating technical topics to a wide range of stakeholders to drive understanding and alignment Preferred Qualifications Demonstrated experience in OT security architecture and network segmentation Experience supporting audits (ISO 27001, TISAX, CMMC, or similar) Experience with OT security tools (Nozomi, Claroty, Dragos, etc.) Experience with cloud-based infrastructure (AWS, Azure..) Experience leveraging AI tools to improve the effectiveness of a security tool or mechanism Strong oral and written communication and interpersonal skills Able to interface with all levels of IT and partnering departments and teams Preferred Certifications GICSP CISSP (Certified Information Systems Security Professional) CISM (Certified Information Security Manager) Deep experience with regulatory and compliance frameworks (IEC 62443, NIST, ISO 27001, TISAX, CMMC) Ensure compliance with NIST 800-82, IEC 62443, ISA/IEC standards Employment opportunities for positions in the United States may require use of information which is subject to the export control regulations of the United States. Hiring decisions for such positions are required by law to be made in compliance with these regulations. Applicants for employment opportunities in other countries must be able to meet the comparable export control requirements of that country and of the United States. Donaldson Company has been made aware that there are several recruiting scams that are targeting job seekers. These scams have attempted to solicit money for job applications and/or collect confidential information, Donaldson will never solicit money during the application or recruiting process. Donaldson only accepts online applications through our Careers | Donaldson Company, Inc. website and any communication from a Donaldson recruiter would be sent using a email address. If you have any questions about the legitimacy of an employment opportunity, please reach out to to verify that the communication is from Donaldson. Our policy is to provide equal employment opportunities to all qualified persons without regard to race, gender, color, disability, national origin, age, religion, union affiliation, sexual orientation, veteran status, citizenship, gender identity and/or expression, or other status protected by law.