Operational Technology (OT) Security Architect
The OT Security Architect is responsible for protecting industrial control systems (ICS) and operational technology environments against cyber threats while ensuring safety, availability, and regulatory compliance. The role bridges IT and OT, enabling secure digital operations across critical infrastructure environments such as utilities, energy, manufacturing, and transportation.
Key Responsibilities
OT Security Strategy & Governance
- Define and implement OT cybersecurity strategy, policies, and standards aligned to IEC 62443, NIST 800 82, NIS D, and ISO 27001.
- Establish OT security governance models and maintain OT risk registers across facilities.
- Act as a trusted advisor to OT operations, engineering, and executive stakeholders.
- Architecture & Secure Design
- Design secure OT network architectures aligned to the Purdue Model (Levels 0–3.5).
- Define and validate secure IT/OT integration patterns, including data flows, remote access, and segmentation.
- Review and secure digital transformation initiatives (e.g., historians, analytics platforms).
- Threat & Vulnerability Management
- Conduct OT specific risk assessments, vulnerability assessments, and penetration testing of SCADA/DCS/PLC environments.
- Implement vulnerability management and patching strategies suitable for safety critical systems.
- Support OT incident response and forensic investigations.
- Security Controls Implementation
- Deploy and operate OT security technologies including:
- OT Intrusion Detection / Network Monitoring (e.g., passive IDS)
- Firewalls and segmentation controls at Levels 2 & 3
- Secure remote access solutions
- Removable media controls and data diodes
- Support deployment across geographically dispersed and remote field sites.
Compliance & Regulatory Assurance
- Support compliance with NIS D, sector specific regulations, and audit requirements.
- Prepare evidence, security reports, and remediation plans for regulatory and internal audits.
- Translate regulatory requirements into practical, site level security controls.
- Stakeholder & Delivery Management
- Liaise with plant operators, OT engineers, OEMs, vendors, and system integrators.
- Lead or support multi-site OT security deployments and uplift programmes.
- Provide training and awareness sessions for OT and SCADA teams.
Required Experience & Skills
- Strong hands-on experience in OT / ICS / SCADA / DCS environments.
- Deep understanding of industrial networking, protocols, and architectures.
- Proven experience delivering OT security assessments, designs, and implementations.
- Knowledge of OT security standards and frameworks:
- IEC 62443
- NIST 800 82
- NIS D
- ISO 27001 (OT relevant controls)
- Experience working in critical infrastructure or highly regulated environments.
#LI-EU
Dublin
Requesting an Accommodation
Accenture is committed to providing equal employment opportunities for persons with disabilities or religious observances, including reasonable accommodation when needed. If you are hired by Accenture and require accommodation to perform the essential functions of your role, you will be asked to participate in our reasonable accommodation process. Accommodations made to facilitate the recruiting process are not a guarantee of future or continued accommodations once hired.
If you would like to be considered for employment opportunities with Accenture and have accommodation needs such as for a disability or religious observance, please call us toll free at 1 (877) 889-9009 or send us an email or speak with your recruiter.
Equal Employment Opportunity Statement
We believe that no one should be discriminated against because of their differences. All employment decisions shall be made without regard to age, race, creed, color, religion, sex, national origin, ancestry, disability status, veteran status, sexual orientation, gender identity or expression, genetic information, marital status, citizenship status or any other basis as protected by federal, state, or local law. Our rich diversity makes us more innovative, more competitive, and more creative, which helps us better serve our clients and our communities.
For details, view a copy of the Accenture Equal Opportunity Statement
Accenture is an EEO and Affirmative Action Employer of Veterans/Individuals with Disabilities.
Accenture is committed to providing veteran employment opportunities to our service men and women.
Other Employment Statements
Applicants for employment in the US must have work authorization that does not now or in the future require sponsorship of a visa for employment authorization in the United States.
Candidates who are currently employed by a client of Accenture or an affiliated Accenture business may not be eligible for consideration.
Job candidates will not be obligated to disclose sealed or expunged records of conviction or arrest as part of the hiring process. Further, at Accenture a criminal conviction history is not an absolute bar to employment.
The Company will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. Additionally, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the Company's legal duty to furnish information.
California requires additional notifications for applicants and employees. If you are a California resident, live in or plan to work from Los Angeles County upon being hired for this position, please click here for additional important information.
Please read Accenture’s Recruiting and Hiring Statement for more information on how we process your data during the Recruiting and Hiring process.
We work with one shared purpose: to deliver on the promise of technology and human ingenuity. Every day, more than 775,000 of us help our stakeholders continuously reinvent. Together, we drive positive change and deliver value to our clients, partners, shareholders, communities, and each other.
We believe that delivering value requires innovation, and innovation thrives in an inclusive and diverse environment. We actively foster a workplace free from bias, where everyone feels a sense of belonging and is respected and empowered to do their best work.
At Accenture, we see well-being holistically, supporting our people’s physical, mental, and financial health. We also provide opportunities to keep skills relevant through certifications, learning, and diverse work experiences. We’re proud to be consistently recognized as one of the World’s Best Workplaces™.
Join Accenture to work at the heart of change. Visit us at www.accenture.com.