Domain Architect - Security, Specialist

Technology Consulting

Title : Specialist III, Domain Architect - Security

EY is a global leader in assurance, tax, transaction and advisory services. Technology is at the heart of what we do and deliver at EY. Technology solutions are integrated in the client services we deliver and are key to our innovation as an organization.

Fueled by strategic investment in technology and innovation, Client Technology seeks to drive growth opportunities and solve complex business problems for our clients through building a robust platform for business and powerful product engine that are vital to innovation at scale. As part of Client Technology, you'll work with technologists and business experts, blending EY's deep industry knowledge and innovative ideas with our platforms, capabilities, and technical expertise. As a catalyst for change and growth, you'll be at the forefront of integrating emerging technologies from AI to Data Analytics into every corner of what we do at EY. That means more growth for you, exciting learning opportunities, career choices, and the chance to make a real impact.

EY Technology :

Technology has always been at the heart of what we do and deliver at EY. We need technology to keep an organization the size of ours working efficiently. We have 250,000 people in more than 140 countries, all of whom rely on secure technology to be able to do their job every single day. Everything from the laptops we use, to the ability to work remotely on our mobile devices and connecting our people and our clients, to enabling hundreds of internal tools and external solutions delivered to our clients. Technology solutions are integrated in the client services we deliver and is key to us being more innovative as an organization.

EY Technology supports our technology needs through three business units :

Client Technology (CT) - focuses on developing new technology services for our clients. It enables EY to identify new technology-based opportunities faster and pursue those opportunities more rapidly.

Enterprise Workplace Technology (EWT) – EWT supports our Core Business Services functions and will deliver fit-for-purpose technology infrastructure at the cheapest possible cost for quality services. EWT will also support our internal technology needs by focusing on a better user experience.

Information Security (Info Sec) - Info Sec prevents, detects, responds and mitigates cyber-risk, protecting EY and client data, and our information management systems.

The opportunity

This role assists in the execution of the vision, direction, and roadmap for strategic security technology programs, and designs scalable cybersecurity infrastructure, defines security standards, and integrates advanced tools to enhance threat response and resilience.

Your Key Responsibilities

• Provides architectural guidance in shaping strategic, security infrastructure technology programs for the organization.
• Assists in determining security requirements by evaluating business strategies and requirements; researches information security standards; conducts system security and vulnerability analyses and risk assessments; studies architecture / platform; identifies integration issues.
• Assists in the planning of the security systems by evaluating network and security technologies; develops requirements for local area networks (LANs), wide area networks (WANs), virtual private networks (VPNs), routers, firewalls, and related security and network devices; designs public key infrastructures (PKIs), including use of certification authorities (CAs) and digital signatures as well as hardware and software; adhering to industry standards.
• Plans for the implementation of security systems by helping to specify intrusion detection methodologies and equipment; directs equipment and software installation and calibration; prepares preventive and reactive measures. Creates, transmits, and maintains keys; provides technical support; completes documentation.
• Verifies security systems by developing and implementing test scripts; reviews incident response analyses; conducts training programs.
• Upgrades security systems by monitoring security environment; identifies security gaps; implements enhancements.
• Updates job knowledge by tracking and understanding emerging security practices and standards; participates in educational opportunities; reads professional publications; maintains personal networks; participates in professional organizations.
• Communicates technical concepts effectively to a broad group of stakeholders.
• Utilizes a general understanding of the competitive landscape and corporate and business unit strategies to provide context for security architectural decision making.
• Participates in special projects and performs other duties as assigned.
• Designs and develops enterprise-wide cybersecurity systems and infrastructure with a focus on scalability and long-term resilience.
• Defines and maintains security standards across the development lifecycle, ensuring alignment with industry protocols.
• Conducts vulnerability scanning, system hardening, and supports incident response and disaster recovery planning.
• Integrates advanced forensic tools for post-incident analysis and attack reconstruction.
• Provides recommendations to optimize security architecture integration and resolve implementation challenges.
• Collaborates with external agencies (e.g., law enforcement, intelligence) to enhance threat intelligence and response capabilities.

Skills And Attributes For Success

To qualify for the role, you must have

Ideally, you'll also have

What We Look For

What Working At EY Offers

We offer a competitive remuneration package where you'll be rewarded for your individual and team performance. Our comprehensive Total Rewards package includes support for flexible working and career development, and with FlexEY you can select benefits that suit your needs, covering holidays, health and well-being, insurance, savings and a wide range of discounts, offers and promotions. Plus, we offer :

EY is committed to being an inclusive employer and we are happy to consider flexible working arrangements. We strive to achieve the right balance for our people, enabling us to deliver excellent client service whilst allowing you to build your career without sacrificing your personal priorities. While our client-facing professionals can be required to travel regularly, and at times be based at client sites, our flexible working arrangements can help you to achieve a lifestyle balance.

About EY

As a global leader in assurance, tax, transaction and advisory services, we're using the finance products, expertise and systems we've developed to build a better working world. That starts with a culture that believes in giving you the training, opportunities and creative freedom to make things better. Whenever you join, however long you stay, the exceptional EY experience lasts a lifetime.

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

Make your mark.

Apply now.

Skills Required

Digital Forensics, Security Architecture