Senior Cyber Security Consultant (IT/OT Security)

Senior Cyber Security Consultant (IT/OT Security)

Location: Katowice - 2 days office / 3 days remote Salary: Competitive Date: 21 May 2026

Job Description

Let us introduce you the job offer by EY GDS Poland – a member of the global integrated service delivery center network by EY. The opportunity The GDS Cyber Architecture Operational Technology & Engineering (CAOE) services help our clients tackle the many security challenges they face on a daily basis and develop effective solutions using people, processes and technology, while enabling better security and risk decisions, and reducing costs related to managing security risks. The CAOE team is looking for individuals who will play a direct role in delivery of Cyber security engagements (IT and OT engagements), development of proposals in this area, and develop Cyber Security solutions. You will play a key role in supporting our clients to secure their IT/OT environments, either through advisory and/or implementation support.

Skills and attributes for success:

• Prior experience working alongside delivery leads and architects to Identify and manage risks.
• Knowledge of standards such as ISO 27001/2, ISO 22301, ISO 27018, PCI – DSS, NIST standards on Cyber Security, HITRUST, etc. is a plus.
• Understanding of technologies (typical assets, communication protocols, technical architectures) utilized by OT-ICS systems and networks.
• Knowledge of the technical security solutions utilized within IT and OT systems and networks.
• Knowledge on Firewall and switch configuration.
• Knowledge on new technologies such as the Internet of Things (IoT), Operational Technology Threats is a definite plus.
• Threat Identification and monitoring tools used along with SIEM solutions such as Nozomi Networks, Claroty, Microsoft Sentinel Exposure/hands-on to IT/OT monitoring solutions (Claroty, Nozomi Networks, Armis, Azure IoT Defender etc).
• To qualify for the role, you must have 4+ years of experience in the Cyber Security or OT Security Domain Certifications – CCNA, CISSP, CISA, CISM, GICSP or equivalent (technology-based) Strong knowledge of cyber / information security concepts, Risk and controls concepts. Knowledge of OT-ICS Security standards, including NIS2, ISA/IEC 62443, NIST 800-82, NERC-CIP Strong knowledge of IT infrastructure and Networking, including Firewalls and IDS/IPS. Strong knowledge of TCP/IP, concepts of OSI layer and protocols, networking, and security concepts. Strong understanding of security-related operational processes in OT environments. Knowledge of cyber threats and vulnerabilities related with OT infrastructure (OS, Network, OT-specific equipment is a definite plus). Security Assessments: Proven experience conduction Information Security assessments.

What we look for:

You will be Here at EY, you'll have the chance to build a truly exceptional experience. We'll empower you with the latest technology, surround you with high-performing teams, and provide the global scale and diverse and inclusive culture you need to discover your full potential. Through our coaching and training programs, you'll develop the skills you need to stay relevant today and, in the future, – all while building a network of colleagues, mentors, and leaders who will be on the journey with you at EY and beyond.

What we offer:

EY Global Delivery Services (GDS) is a dynamic and truly global delivery network. We work across nine locations – Argentina, Hungary, India, the Philippines, Poland, Sri Lanka, Mexico, Spain and the United Kingdom – and with teams from all EY service lines, geographies and sectors, playing a vital role in the delivery of the EY growth strategy. From accountants to coders to advisory consultants, we offer a wide variety of fulfilling career opportunities that span all business disciplines. In GDS, you will collaborate with EY teams on exciting projects and work with well-known brands from across the globe. We'll introduce you to an ever-expanding ecosystem of people, learning, skills and insights that will stay with you throughout your career.

Continuous learning : You'll develop the mindset and skills to navigate whatever comes next. Success as defined by you : We'll provide the tools and flexibility, so you can make a meaningful impact, your way. Transformative leadership : We'll give you the insights, coaching and confidence to be the leader the world needs. Diverse and inclusive culture: You'll be embraced for who you are and empowered to use your voice to help others find theirs.

About EY:

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.

If you can demonstrate that you meet the criteria above, please contact us as soon as possible. The exceptional EY experience. It's yours to build. In compliance with the requirements of the Whistleblower Protection Act, our company has established the Procedure for reporting breaches of law and undertaking appropriate follow-up actions. Any misconduct should be reported through the EY Ethics Hotline.