Cybersecurity Senior Consultant (Senior Pentester)

Ernst & Young Advisory Services Sdn Bhd; Katowice; Hybrid; PLN 100,000 - 130,000; Full time

Job summary

A leading global advisory firm is seeking a Cybersecurity Senior Consultant in Katowice. As a key member of their cybersecurity team, you'll manage penetration testing projects and provide expert security assessments. The ideal candidate has over 3 years of experience and relevant industry certifications. A hybrid work model is available, allowing for a blend of office and remote work.

Benefits

Continuous learning opportunities

Flexible work arrangements

Inclusive and diverse culture

Qualifications

• 3+ years of experience in conducting penetration tests.
• Knowledge of application security verification standards.
• Experience with cloud-hosted applications and services.

Responsibilities

• Deliver Attack & Penetration Testing projects.
• Review application code for security vulnerabilities.
• Conduct social engineering and Red Team Assessments.

Skills

Penetration testing

Security assessment methodologies

Communication skills

Attention to detail

Education

OSCP, OSWE, GPEN certification or similar

Tools

Python

C++

Java

Job description

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Other locations: Primary Location Only

Date: 29 Aug 2025

Requisition ID: 1632904

Cybersecurity Senior Consultant (Senior Pentester)

Location: Katowice
Hybrid model: 2 days office / 3 days remote

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

As a Cyber Security Senior Consultant, you’ll contribute technically to Cyber Security client projects and internal projects. You will work in 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, Security Architecture reviews.

To qualify for the role, you must have

• 3+ years of experience in Dev / ITSec conducting penetration tests 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’s technology systems work:

• networking architecture,
• networking protocols
• operating systems.
• Deep understanding of how web applications work, starting from backend, ending with frontend,
• Familiarity of Red Team methodologies (MITRE, Social engineering, OSINT etc.),
• Experience with cloud-hosted applications and services,
• Autonomy and maturity in what you do as security professional,
• Consulting and communication skills to provide technical security expertise understandable by non-technical audience,
• Strong investigative mindset with attention to detail.
• OSCP, OSWE, GPEN certificate or similar,
• Excellent command of English language and additional language as a plus.

Ideally, you’ll also have

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

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

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