1,805,239open jobs
104,154companies
272,071added this week
Browse all
Salary
≈ $62k – $108k per year (Estimated)
Location
In office (Katowice)
Seniority
Staff · 4+ years exp

Confirmed on the employer's own hiring board on Oct 17, 2026. First seen by Alion on Oct 17, 2026.

Overview
Company
Impact
Profile match

EY

Headquartered in London, United Kingdom, EY (Ernst & Young) is a multinational professional services network and one of the "Big Four" accounting firms. The organization provides financial assurance and auditing, tax advisory, management and technology consulting, and strategy and transactions advisory through its EY-Parthenon arm. Operating across more than 150 countries, it delivers risk management, digital transformation, data analytics, and regulatory compliance solutions to multinational corporations, financial institutions, and government entities worldwide.
Backed by ROPEA

Offensive Security Lead Expert

Location: Katowice - 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

You will work in multinational environment together with other top security experts and your responsibility will be to guide a small team of professionals to deliver Attack & Penetration Testing projects and various other security projects including application code review, social engineering, Red Team Assessments, Threat Modelling, Security Architecture reviews.

Your key responsibilities

As an Offensive Security Lead Expert, you’ll contribute technically to Cybersecurity client projects and internal projects. The role involves hands-on testing, analysis, and reporting.

Skills and attributes for success

  • Understanding of common attack paths and security weaknesses across web and mobile applications, infrastructure, and cloud environments with the ability to translate findings into business-relevant risks and actionable remediation steps
  • Structured and disciplined work style, including thorough documentation, evidence handling, clear communication, and a strong focus on quality
  • Leadership skills

To qualify for the role, you must have

  • 4+ 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,
  • Deep understanding of OWASP Top10 concepts,
  • Familiarity of Red Team methodologies (MITRE, Social engineering, OSINT etc.),
  • Consulting and communication skills to provide technical security expertise understandable by non-technical audience,
  • OSCP, OSWE, GPEN certificate or similar,
  • Excellent command of English language. German or other European language would be an advantage but not mandatory.

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).
  • Experience to manage small teams

What we look for

We are looking for candidates who combine deep technical expertise with Customer facing approach. Hands on Person, who can mentor professionals, and drive sustainable growth of Cybersecurity practice.

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.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
1,805,239 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Security
Similar stack
Same company
Katowice
$92k – $104k per year • Hybrid • Poland
DevOps
Windows
Apply
≈ $55k – $101k per year (Estimated) • In office • 5+ years exp • Bachelor's Degree • Katowice
SQL
DevOps
CI/CD
IAM
Cybersecurity
DLP
Analytics
Power BI
Management
Power Automate
SharePoint
Apply
≈ $55k – $101k per year (Estimated) • In office • 5+ years exp • Katowice
Cybersecurity
ISO 27001
Management
ServiceNow
Apply
≈ $29k – $64k per year (Estimated) • In office • 2+ years exp • Katowice
JavaScript
Node JS
Node JS
PM2
DevOps
IAM
Cybersecurity
CyberArk
Zero Trust
Microsoft Entra ID
Apply
≈ $60k – $111k per year (Estimated) • Hybrid • Full-Time
JavaScript
TypeScript
Node JS
DevOps
GCP
AWS
IAM
Cybersecurity
Least Privilege
SIEM
OWASP
Web3
TON
Tron
Solana
Smart Contracts
DeFi
Apply
≈ $44k – $94k per year (Estimated) • Hybrid • Full-Time • Katowice
DevOps
CI/CD
Cybersecurity
SBOM
Apply
≈ $44k – $93k per year (Estimated) • Hybrid • Full-Time • Katowice
Cybersecurity
ISO 27001
NIST CSF
Apply
≈ $36k – $66k per year (Estimated) • In office • Full-Time • 5+ years exp • Katowice
Cybersecurity
SIEM
Apply
≈ $60k – $122k per year (Estimated) • Hybrid • Full-Time • Amsterdam • Katowice • Barcelona
Python
JavaScript
TypeScript
C#
Node JS
C#
.NET
AI/ML
Copilot
Cursor
Claude Code
AI Agents
LLM Guardrails
Frontend
Vue.js
Zustand
Redux
Webpack
GraphQL
Tailwind CSS
Babel
Angular
React.js
Vite
Storybook
Material UI
Vuex
DevOps
Rest API
GCP
Azure DevOps
GitHub Actions
Azure
CI/CD
AWS
Platform Engineering
GitLab
Cybersecurity
Threat Modeling
QA
Cypress
Playwright
Jest
Apply
≈ $45k – $78k per year (Estimated) • Remote (Poland) • Freelance • 6+ years exp • Warsaw • Poznań • Wrocław • Lublin • Gdańsk
Python
Java
TypeScript
SQL
AI/ML
Prompt Engineering
DevOps
CI/CD
Docker
Kubernetes
Grafana
Management
Agile
QA
Selenium
JMeter
Playwright
k6
Apply
See all jobs
This is one of many
1,805,239 more open roles from verified company boards, updated every day.