Cyber Security Senior Consultant

About the role

EY Türkiye is looking for a Senior Consultant to join its Technology Consulting – Cyber Security team in Istanbul. You will work directly with clients to assess, advise and implement cyber‑security solutions, helping them protect critical assets and comply with regulatory frameworks.

Key responsibilities

• Lead cybersecurity assessments, advisory engagements and solution‑implementation programmes for client organisations.
• Perform application security testing, red‑team and blue‑team exercises.
• Design, implement and manage security‑operations tools and managed security services.
• Implement and audit cybersecurity frameworks and regulations such as ISO 27001, IEC 62443, NIST and KVKK.

Required profile

• Minimum 3 years of relevant experience in cyber‑security consulting or engineering.
• Degree in Computer Science, Engineering, Management Information Systems or a related field.
• Excellent written and spoken English and strong communication skills.
• Ability to travel as required and work collaboratively in a team environment.

Required skills

• Application security testing
• Red teaming
• Blue teaming
• Security operations and tool implementation
• Managed security services
• Knowledge of ISO 27001, IEC 62443, NIST, KVKK
• Certifications such as TSE Pentester, CEH, OSCP, ISO 27001 (highly desired)

What we offer

• Future‑focused skill development and world‑class experience.
• Flexible, inclusive work environment within a globally connected team.
• Opportunities to grow within a leading professional‑services firm.