Ot Security Consultant

Ey; Lisboa; Presencial; EUR 42 000 - 64 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Coaching & feedback

Career development

Flexible work style

Resumo da oferta

EY is seeking an OT Security Consultant to help clients strengthen cybersecurity across industrial environments, including ICS/SCADA/DCS and IIoT. You will assess risks, define strategies and support regulatory compliance for critical infrastructure sectors across multinational projects.

The role requires 3–6 years in cybersecurity/OT, strong analytics, and English fluency. You will collaborate with engineering, operations and IT teams while driving secure transformations and cyber resilience

Qualificações

• 3 to 6 years of experience in Cybersecurity, OT, Industrial Automation or related fields.
• Strong analytical, communication and stakeholder management skills.
• Fluency in English, both written and spoken.

Responsabilidades

• Conduct OT cybersecurity maturity assessments, risk assessments and gap analyses against leading industry frameworks and standards.
• Assess ICS, SCADA, DCS, PLC and IIoT environments.
• Support the definition of OT cybersecurity strategies, target operating models and transformation roadmaps.
• Review industrial network architectures, segmentation models and secure remote access solutions.
• Support compliance initiatives related to NIS2, IEC 62443 and other regulations.
• Perform OT security assessments, vulnerability assessments and architecture reviews.
• Support deployment and optimization of OT security monitoring, asset visibility and threat detection solutions.
• Collaborate with engineering, operations, maintenance and IT teams to implement improvements with minimal operational impact.
• Contribute to cyber resilience initiatives, incident response planning and recovery capabilities.

Conhecimentos

OT Security

Cybersecurity

Industrial Automation

Stakeholder management

English fluency

Formação académica

Degree in Cybersecurity or related field

Ferramentas

Nozomi Networks

Claroty

Dragos

Armis

Industrial Defender

Descrição da oferta de emprego

Descrição do cargo

At EY, you'll have the chance to build a career as unique as you are, with the global scale, support, inclusive culture and technology to become the best version of yourself.

As part of our Cybersecurity team, you will support leading organizations across critical infrastructure and industrial sectors in strengthening their Operational Technology (OT) security capabilities. You will work on challenging projects involving industrial control systems, critical infrastructure protection, cyber resilience, regulatory compliance and OT cybersecurity transformation initiatives.

This role offers exposure to international projects and the opportunity to collaborate with multidisciplinary teams across sectors such as Energy, Utilities, Manufacturing, Oil & Gas, Chemicals, Mining and Transportation.

Your Key Responsibilities As an OT Security Consultant, you will be responsible for helping clients identify, assess and mitigate cybersecurity risks across industrial environments, including:

• Conducting OT cybersecurity maturity assessments, risk assessments and gap analyses against leading industry frameworks and standards.
• Assessing Industrial Control Systems (ICS), SCADA, DCS, PLC and IIoT environments.
• Supporting the definition of OT cybersecurity strategies, target operating models and transformation roadmaps.
• Reviewing industrial network architectures, segmentation models and secure remote access solutions.
• Supporting compliance initiatives related to NIS2, IEC 62443 and other relevant cybersecurity regulations and standards.
• Performing OT security assessments, vulnerability assessments and architecture reviews.
• Supporting the deployment and optimization of OT security monitoring, asset visibility and threat detection solutions.
• Collaborating with engineering, operations, maintenance and IT teams to implement cybersecurity improvements while minimizing operational impact.
• Contributing to cyber resilience initiatives, incident response planning and recovery capabilities for industrial environments.
• Preparing client deliverables, executive reports, technical documentation and presentations.
• Staying informed about emerging threats, attack techniques and cybersecurity trends affecting industrial environments and critical infrastructure.

Skills and Attributes for Success To qualify for the role, you should have:

3 to 6 years of experience in Cybersecurity, Operational Technology (OT), Industrial Automation or related fields.

• Energy & Utilities
• Oil & Gas
• Manufacturing
• Water Utilities
• Chemicals
• Mining
• Transportation

• Purdue Enterprise Reference Architecture (PERA / Purdue Model)
• Industrial Control Systems (ICS)
• Distributed Control Systems (DCS)
• SCADA environments
• Safety Instrumented Systems (SIS)

• IEC 62443
• NIST Cybersecurity Framework (CSF)
• NIST SP 800-82
• C2M2
• MITRE ATT&CK for ICs
• CIS Controls (OT Context)

• Modbus TCP/IP
• Modbus RTU
• DNP3
• OPC Classic
• OPC-UA

• Nozomi Networks
• Claroty
• Dragos
• Armis
• Industrial Defender
• TXOne Networks

Strong analytical, communication and stakeholder management skills.

Ability to work in multicultural environments and international projects.

Fluency in English, both written and spoken.

Ideally, You'll Also Have:

Degree in Cybersecurity, Computer Science, Electrical Engineering, Industrial Automation, Telecommunications or a related field.

• GICSP
• GRID
• ISA/IEC 62443 Cybersecurity Expert
• CISSP
• CISM
• Security+
• CCNA / CCNP

Experience supporting Industry 4.0 or digital transformation initiatives.

Knowledge of cloud-connected industrial environments.

Understanding of Zero Trust principles applied to Operational Technology environments.

Familiarity with industrial safety and functional safety standards such as IEC 61511 and IEC 61508.

What We Look For We are seeking professionals who are passionate about cybersecurity and critical infrastructure protection, with a collaborative mindset and a strong desire to solve complex challenges. The ideal candidate combines technical expertise with business understanding and is motivated to help organizations build secure and resilient industrial environments.

What working at EY offers EY offers a competitive remuneration package commensurate with your work experience. Plus, we offer:

• Support, coaching and feedback from some of the most engaging colleagues around;
• Opportunities to develop new skills and progress your career;
• The freedom and flexibility to handle your role in a way that’s right for you.

The exceptional EY experience. It's yours to build. The exceptional EY experience. It's yours to build.

EY | Building a better working world. EY exists to build a better working world, helping to create long-term value for clients, people and society and build trust in the capital markets. Enabled by data and technology, diverse EY teams in over 150 countries provide trust through assurance and help clients grow, transform and operate. Working across assurance, consulting, law, strategy, tax and transactions, EY teams ask better questions to find new answers for the complex issues facing our world today.

At EY, we're committed to providing recruitment and career opportunities to all, regardless of gender, sexual orientation, social background or disability. We believe that equality and diversity are central to our recruitment process, as they enhance creativity and efficiency, leading to improved performance and productivity. In line with this commitment, EY Portugal recently became a member of the Inclusive Community Forum.

This initiative, led by Nova SBE, focuses on the recruitment of individuals with disabilities, advocating for a more inclusive community. Moreover, EY Portugal has also endorsed the Diversity Charter of APPDI (the Portuguese Association for Diversity and Inclusion), pledging to establish and develop internal policies and practices which support diversity. Through these initiatives, EY seeks to actively contribute to the inclusion process, and promote a more inclusive community for people with disabilities, by actively participating in creating solutions.

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