NTT

1 week ago

OT Security Consultant

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Last checked: 5 hours agoStatus: Live

Job Summary

Manage end-to-end OT Security projects, from assessment and gap analysis to design and implementation, while coordinating technical work for enterprise clients in manufacturing, energy, and critical infrastructure. Execute OT Security Assessments against ISA/IEC 62443, design OT architectures using the Purdue Model, deploy and tune OT monitoring platforms (e.g., Claroty, Nozomi, Armis, TXOne), implement secure remote access, analyze industrial traffic for detection use cases, and support incident response in OT environments.

Location: Milan, Turin, Rome

Workplace: Hybrid

Employment Type: Full time

Job Function: Cybersecurity

Seniority: Mid level

Key Responsibilities

•Own OT Security projects end-to-end (assessment, design, and implementation).
•Coordinate technical activities with enterprise clients in manufacturing, energy, and critical infrastructure domains.
•Run OT Security assessments, including gap analysis against ISA/IEC 62443.
•Design and review OT architectures using the Purdue Model.
•Deploy and tune OT monitoring platforms and implement Secure Remote Access solutions; analyze industrial traffic to define detection use cases and support OT incident response.

Key Requirements

•At least 4 years of experience in OT Security.
•Strong networking knowledge, including routing, switching, network segmentation, and firewalling.
•In-depth understanding of industrial security frameworks and reference models, including ISA/IEC 62443 and Purdue Model, plus OT architectures (ICS, SCADA, DCS).
•Hands-on experience implementing and managing OT Security solutions with competence in at least two platforms: Claroty, Nozomi Networks, Armis, TXOne.
•Ability to manage activities and projects independently and effectively interface with clients and stakeholders.

Experience:4+ yearsOT securityIndustrialManufacturingEnergyCritical infrastructure

Skills:Independent project managementStakeholder communicationTechnical coordinationIncident response supportNetwork traffic analysis

Certifications:GICSPCISSP

Tech Stack:ISA/IEC 62443Purdue ModelICSSCADADCSClarotyNozomi NetworksArmisTXOneClaroty XSASecomeaClaroty xDome Secure AccessSecure Remote Access

Company Brief

NTT

Dimension Data, operating under NTT Ltd, provides managed IT services, cloud and data center solutions, networking, cybersecurity, and digital transformation services to enterprise customers worldwide.

Industry: Professional Services

Company Size: Enterprise (1,001+ employees)

Revenue: USD 1B+

Growth: Established Company

Valuation: Public Company (Market Cap in USD)

Headquarters: London, United Kingdom

Founded: 1983

Website LinkedIn

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NTT