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OT Cyber Security Engineer

Date: Mar 15, 2023

Location: Columbia, MD, US, 21044 Aiken, SC, US, 29801 South Haven, MI, US, 49090 Tyrone, PA, US, 16686 Norco, LA, US, 70057 Freeport, TX, US, 77541 Houston, TX, US, 77026 Edison, NJ, US, 08837 East Chicago, IN, US, 46312 Baton Rouge, LA, US, 70805 Albany, OR, US, 97322 Pasadena, TX, US, 77507 S Charleston, WV, US, 25303 Baltimore, MD, US, 21226 Memphis, TN, US, 70508 Baltimore, MD, US, 21226 Lake Charles, LA, US, 70665 Chattanooga, TN, US, 37406 Hesperia, CA, US, 92345

Company: W. R. Grace & Co.

Requisition ID: 20893 

Built on talent, technology, and trust, Grace is a leading global supplier of catalysts and engineered materials. The company’s two industry-leading business segments—Catalysts Technologies and Materials Technologies—provide innovative products, technologies, and services that enhance the products and processes of our customers around the world. Grace employs approximately 4,300 people in over 30 countries.

Job Description

We are seeking an OT Security Engineer to become a valued member of our team supporting our rapidly growing global cybersecurity operations initiative. This position will report to the Cybersecurity Program Director and may be located remotely in the US. The role will require 25% domestic and international travel. 


The OT Security Engineer will be part of a team responsible for protecting a rapidly expanding global enterprise. This person will support the OT/ICS security team by performing risk/vulnerability assessments and assisting with the development of an enterprise strategy/design plan. Additionally, the OT Security Engineer will help implement (hands-on configuration) of the enterprise ICS and OT security systems. Further responsibilities include research, classification, and root cause analysis of security events that occur within the environment. The ideal candidate will have security industry knowledge that evolves with current and emerging vulnerabilities and threats, as well as an ongoing understanding of key business and technological processes.


  • Help Assess, Audit, Recommend, Design, Document, and improve security solutions and processes for industrial manufacturing process and control network environments.
  • Implement security architecture, methods, and controls required to meet security, compliance, and audit requirements
  • Work with detection and operations teams to develop intrusion and prevention processes, techniques, and solutions.
  • Respond to and, when appropriate, resolve or escalate security incidents
  • Help develop and maintain documentation for security systems and procedures
  • Partner with other departments to review network architectures and determine if security best practices are being utilized.
  • Review enterprise controls to ensure the ICS/OT environment remains compliant and work with the Security team to track/remediate deficiencies.
  • Partner with the Global Security Operations Center to ensure OT monitoring is conducted effectively.
  • Represent the Cybersecurity team in meetings with the client’s vendors and stakeholders.
  • Maintain awareness of industry trends, threats, and tools used to support enterprise security.
  • Perform other ad hoc duties to support the team’s security goals.

Required Qualifications

  • Bachelor’s degree in Cybersecurity, Computer Science, Engineering or related focused technical training or 4 additional years of engineering experience that may have been acquired in the military or public sectors.
  • Minimum 3 years employed in OT security operations.
  • A background in OT and ICS system security administration and/or development.
  • Certified Information Systems Security Professional (CISSP)
  • Strong understanding of cybersecurity frameworks for ICS/OT environments
  • Strong understanding of OT network communication protocols, industrial networking topologies, as well as L2/L3 networking and architecture.
  • Preferable experience in NIST-SP800-82, IEC62443 / ISA99, NERC-CIP, etc.
  • Comprehensive knowledge of internet protocols, firewalls, proxies, and intrusion detection/prevention systems.
  • Familiarity/Knowledge of the Purdue Enterprise Reference Architecture (PERA)
  • An ability to work autonomously, cooperatively, and remotely from the corporate office with other locations.
  • Excellent problem solving, critical thinking, and analytical skills with the ability to deconstruct problems.
  • 25% domestic and international travel


  • Medical, Dental, Vision Insurance
  • Life Insurance and Disability
  • Grace Wellness Program
  • Flexible Workplace
  • Retirement Plans 
  • 401(k) Company Match – Dollar to dollar up to the first 6%
  • Paid Vacation and Holidays
  • Parental Leave
  • Tuition Reimbursement
  • Company Donation Match Program
  • US Employee Benefits Website 


Other Compensation

  • Annual Short Term Incentive


Salary Range

Salary Midpoint - $124,000 - $155,000


Grace is not accepting unsolicited assistance from search firms for this employment opportunity. Please, no phone calls or emails. All resumes submitted by search firms to any employee at Grace via email, the Internet or in any form and/or method without a valid written search agreement in place for this position will be deemed the sole property of Grace. No fee will be paid in the event the candidate is hired by Grace as a result of the referral or through other means.


EOE Statement:  W. R. Grace & Co. is committed to creating a diverse environment and is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status or any other legally protected status.


If you are a qualified individual with a disability or a disabled veteran, you may request a reasonable accommodation.

Nearest Major Market: Baltimore