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Ernst & Young

Global professional services: consulting, assurance, tax

Cryptography Security Consultant

Security Engineering & ArchitectureUpdated on Nov 14
Full-timeWarsaw, PolandNo salary listedIn-person

About the Job

Requirements

  • At least 2 years of experience in cryptography, cybersecurity, IT infrastructure security, security architecture, identity and access management, public key infrastructure, cloud, or related technology areas.
  • Practical knowledge of at least two of the following: crypto discovery, crypto inventory, public key infrastructure, certificate management, hardware security modules/key management systems, Transport Layer Security/mutual TLS, data encryption, electronic signatures, secrets management, or cloud security.
  • Ability to analyze IT environments and work with architectural documentation, configurations, scan results, asset registers, or security-tool data.
  • Understanding of clients’ business environments in the context of cybersecurity and cryptography, and ability to communicate technical knowledge in a way that is understandable to business stakeholders.
  • Ability to formulate practical recommendations, prepare clear client materials, and conduct discussions with technical and business teams.
  • Ability to work in projects and collaboratively with a team, and to organize work effectively in a dynamic environment.
  • Good command of Polish and English sufficient for project work and preparing documentation and presentations.
  • Technological curiosity, attention to detail, independence, and readiness to learn new areas, including post-quantum cryptography and quantum key distribution.
  • Ability to use artificial intelligence safely and effectively in daily work.

Responsibilities

  • Participate in consulting and implementation projects in cryptography, post-quantum cryptography, cybersecurity, and IT infrastructure security for large organizations, including financial institutions and regulated entities.
  • Support clients in identifying and classifying cryptography used in applications, infrastructure, cloud services, integrations, databases, certificates, and data flows.
  • Build and develop clients’ crypto inventories or cryptographic bills of materials, including defining data models, attributes, update processes, ownership, and integrations with client tools.
  • Analyze and design architectures for public key infrastructure, certificate management and lifecycle management, hardware security modules/key management systems, Transport Layer Security/mutual TLS, electronic signatures, and data encryption mechanisms.
  • Prepare maturity assessments, roadmaps, technology recommendations, and implementation documentation for cryptography modernization, crypto agility, and migration to post-quantum algorithms.
  • Support clients in proofs of concept or pilots involving crypto discovery, certificate lifecycle management, hardware security modules/key management systems, public key infrastructure, post-quantum cryptography, or quantum key distribution tools, including collaboration with technology vendors.
  • Conduct workshops with technical and business stakeholders, gather requirements, map processes, and translate technical findings into clear recommendations for decision-makers.
  • Co-create EY methodologies, proposals, expert materials, market analyses, and best practices in cryptography, post-quantum cryptography, and cyber resilience.

Desired Qualifications

  • Experience implementing or maintaining public key infrastructure, certificate lifecycle management, hardware security modules, key management systems, electronic signature systems, crypto discovery tools, or key management platforms.
  • Knowledge of standards and good practices such as NIST, ISO/IEC 27001, ETSI, FIPS, PCI DSS, CIS, and guidance on crypto agility or post-quantum cryptography.
  • Experience with cloud tools and services from Microsoft Azure, AWS, or Google Cloud, particularly key management, secrets management, and certificate management.
  • Basic knowledge of automation or scripting, such as Python, PowerShell, Bash, or APIs, and working with data in Excel or Power BI.
  • Certifications or preparation for certifications such as CISM, CCSP, AZ-500, Security+, ISO 27001, or vendor certifications in cloud, security, or public key infrastructure.
  • Knowledge of cybersecurity aspects in operational technology environments.
  • Knowledge of quantum computing.

About the Company

Ernst & Young

Global professional services: consulting, assurance, tax

EY (Ernst & Young) provides professional services at a global scale, offering consulting, assurance, tax, and transaction advisory services. It serves clients across industries such as technology, media, real estate, hospitality, and construction. Instead of selling a single product, EY works with clients through tailored engagements where cross-disciplinary teams analyze challenges, design strategies, perform audits, help with tax planning, and assist with mergers or divestitures. What sets EY apart is its worldwide reach and integrated service model, industry-specific expertise, and focus on responsible business practices like sustainability, cybersecurity, and workforce flexibility. EY’s goal is to help organizations improve performance, manage risk, and achieve sustainable growth while building a better working world.

Company size
5,001-10,000
Company stage
Not listed
Total funding
Not listed
Headquarters
Boston, MA
Founded
1991

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