Ernst and Young

Senior Vulnerability & Application Security Engineer

Ernst and Young
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14 days ago
Wrocław, PolandSenior

Responsibilities

  • Prepare detailed security review reports and remediation guidance.
  • Research application security vulnerabilities and attack vectors.
  • Configure, manage, and update vulnerability assessment tools.
  • Work with development teams to configure and use self-scan tools effectively throughout the development lifecycle.
  • Help developers interpret scan results, identify false positives, and prioritize remediation.
  • Automate application security scanning within CI/CD pipelines.
  • Perform manual and automated security testing across web, thick-client, mobile, VoIP, wireless, Android, iOS, and AI-integrated applications.
  • Conduct manual code reviews and assess secure coding practices and common vulnerabilities.
  • Support security audits, assessments, certifications, and technical compliance activities.
  • Lead strategic initiatives, mentor team members, communicate risk and mitigation status, and collaborate with developers, architects, DevOps engineers, vendors, and other stakeholders.

Requirements

  • 5–8 years of experience in application security assessment.
  • Hands-on experience with web, thick-client, and mobile application security reviews.
  • Experience with manual and automated application testing methodologies.
  • Proficiency with Burp Professional, Nmap, Wireshark, Nessus, Echo Mirage, WebInspect, Qualys WAS, Checkmarx, and WhiteSource.
  • Basic knowledge of C/C++, C#, Java, ASP.NET, Perl, and Python scripting.
  • Understanding of secure coding principles, OWASP Top Ten vulnerabilities, and application security requirements for ASP.NET and Java applications.
  • Knowledge of TCP/IP, network security, firewalls, IDS/IPS, encryption, and security-focused application and system architecture.
  • Experience testing Android and iOS applications, AI-integrated projects, and performing manual code reviews.
  • Ability to explain complex security concepts, manage priorities, work across time zones and cultures, and communicate with technical and non-technical stakeholders.
  • Ideally, a bachelor’s degree or higher in information technology, cybersecurity, or a related field.
  • Interest in pursuing or holding certifications such as CEH, OSCP, CISSP, CISM, CISA, Microsoft Azure, AWS, or GCP.

Benefits

  • Hybrid work arrangement in Wrocław or Katowice with 2 days in the office and 3 days remote.
  • Continuous learning, coaching, and opportunities to develop skills across a global delivery network.
  • Work with international teams, well-known brands, and projects across multiple EY service lines and geographies.
  • Diverse and inclusive culture with flexibility to make a meaningful impact.
Ernst and Young

About Ernst and Young

10,000+ employees

Ernst & Young (EY) provides audit/assurance, tax, consulting, strategy and transactions services to enterprises, financial institutions, and public‑sector clients. Structured as a global network of partner‑owned member firms, it sells professional services on a fee basis, including a dedicated Financial Services Organization for banking, insurance, and capital markets. Headquartered in London, EY was formed in 1989 from the merger of Ernst & Whinney and Arthur Young, and operates in 150+ countries.

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