Cybersecurity Senior Consultant (Senior Pentester) 1

Location: Katowice – 2 days office / 3 days remote.

Opportunity

As a Cyber Security Senior Consultant, you’ll contribute technically to Cyber Security client projects and internal projects. You will work in a multinational environment together with other top security experts, and your responsibility will be to deliver Attack & Penetration Testing projects and various other security projects including application code review, social engineering, Red Team Assessments, Purple Team Assessments, Threat Modeling, and Security Architecture reviews.

Qualifications

• 3+ years of experience in Dev / ITSec conducting penetration test projects
• Knowledge of security issues at the technical level
• Knowledge of solutions and recommendations to prevent or mitigate security vulnerabilities
• Knowledge of the application security verification standards
• Deep understanding of how information technology systems work: networking architecture, networking protocols, operating systems
• Deep understanding of how web applications work, from backend to frontend
• Familiarity with Red Team methodologies (MITRE, social engineering, OSINT, etc.)
• Experience with cloud‑hosted applications and services
• Autonomy and maturity in what you do as a security professional
• Consulting and communication skills to provide technical security expertise understandable by a non‑technical audience
• Strong investigative mindset with attention to detail
• OSCP, OSWE, GPEN certificate or similar
• Excellent command of English language; additional language(s) a plus

Preferred

• Documented participation in Bug Bounty programs or acknowledgement of responsible disclosures outside those programs
• Granted CVEs
• Programming language skills (Python, C++, C#, Java)

What We Offer

• 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 in your own 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.

Contact

If you can demonstrate that you meet the criteria above, please contact us as soon as possible.

About EY

EY exists to build a better working world, helping to create long‑term value for clients, people and society and building 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.