Identity Infrastructure Support Engineer - EY Global Delivery Services

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Senior Security Consulting
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
As a Security Consultant within EY’s internal Global Information Security team, the individual will be a trusted security advisor to the Client Technology Platforms Delivery organization within IT Services. The Client Technology Platforms delivery organization is responsible for end-to-end delivery of technology programs and projects supporting EY’s Client Techmology service lines including delivery of a global managed services platform, big data and analytics solutions as well as individual line of business solutions and services. This role will directly engage in supporting a team of architects, engineers, and product managers for delivery on programs and projects, defining security risks and controls, providing security guidance, identifying and prioritizing security-related requirements, promoting secure-by-default designs and facilitating delivery of information security services throughout the system development life cycle (SDLC). The role will also develop and directly communicate appropriate risk treatment and mitigation options to address security vulnerabilities translated vulnerabilities into business risk terminology for communication to business stakeholders.

Your Key Responsibilities

• Support a technical team with a focuse on the following responsibilities:
• Define security architectures and provide pragmatic security guidance that balance business benefit and risks
• Engage IT project teams throughout the SDLC to identify and prioritize applicable security controls and provide guidance on how to implement these controls
• Perform threat modeling and risk assessments of information systems, applications and infrastructure
• Maintain and enhance the Information Security risk assessment and certification methodologies
• Define security configuration standards for shared and multi-tenant platforms and technologies
• Develop appropriate risk treatment and mitigation options to address security risks identified during security review or audit
• Translate technical vulnerabilities into business risk terminology for business units and recommend corrective actions to customers and project stakeholders
• Provide knowledge sharing and technical assistance to other team members
• Act as Subject Matter Expert (SME) in responsible technologies and have deep technical understanding of responsible services and technology portfolios

Skills And Attributes For Success

• Significant working security experience and knowledge in the design, implementation, and operation of security controls in the following areas:
• Identity and Access Management – Experience with Azure Active Directory (AAD) based Identity and Access Management and Authorization design and integration with API, IDaaS, and Federation technologies.
• Cloud Security – Technical understanding of virtualization, cloud infrastructure, and public cloud offerings and experience designing security configuration and controls within cloud-based solutions e.g., Microsoft Azure and Azure PAAS services or another cloud platform (GCP, AWS, IBM, AliCloud, etc.)
• Infrastructure Security – Experience with the integration of cloud native infrastructure security technologies and solutions into business solution architectures including the integration of identity & access management, Web Application Firewalls (WAFs), Application and API Gateways, intrusion detection and prevention, security monitoring, and data encryption solutions.
• Application Security - Experience with the design and testing of security controls for multi-tier business solutions including the design of application-level access and entitlement management, data tenancy and isolation, encryption, and logging. Working familiarity with REST API and microservices architecture.
• Strong leadership and organizational skills
• Ability to appropriately balance firm security needs with business impact & benefit
• Ability to facilitate compromise to incrementally advance security strategy and objectives
• Ability to team well with others to facilitate and enhance the understanding & compliance to security policies
• Although not required, it is preferred that candidates possess additional working security experience and knowledge in one or more of the following areas:
• Operational Security – Experience with defining operational security models and procedures for business solutions including the operation and maintenance of infrastructure and application security controls.
• Information Security Standards – Knowledge of common information security standards such as: ISO 27001/27002, CSA and CIS Controls, NIST CSF, PCI/DSS, FEDRAMP.
• Product Management – working with broader business and technology teams on aspects of security that affect all phases of PI Planning from concept to design to implementation and then operational support.
• Agile & DevSecOps Methodologies – Experience promoting automated security features in pipelines and security testing as a central feature in Agile workflows as a contributing member within an Agile development or DevOps environment.

To qualify for the role, you must have:

• Advanced degree in Computer Science or a related discipline; or equivalent work experience.
• Candidates are preferred to hold or be actively pursuing related professional certifications within the GIAC family of certifications or CISSP, CISM or CISA or similar cloud-security oriented certifications.
• Five or more years of experience in the management of a significant Information Security risk management function
• Experience in managing the communication of security findings and recommendations to IT project teams, business leadership and technology management executives

Ideally, you’ll also have

• Exceptional judgment, tact, and decision-making ability
• Flexibility to adjust to multiple demands, shifting priorities, ambiguity, and rapid change
• Excellent , communication, organizational, and decision-making skills
• Strong English language skills are required

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:

• Support, coaching and feedback from some of the most engaging colleagues around
• Opportunities to develop new skills and progress your career
• The freedom and flexibility to handle your role in a way that’s right for you

EY | Building a better working world
EY is building a better working world by creating new value for clients, people, society and the planet, while building trust in capital markets.

Enabled by data, AI and advanced technology, EY teams help clients shape the future with confidence and develop answers for the most pressing issues of today and tomorrow.

EY teams work across a full spectrum of services in assurance, consulting, tax, strategy and transactions. Fueled by sector insights, a globally connected, multi-disciplinary network and diverse ecosystem partners, EY teams can provide services in more than 150 countries and territories.

Cyber & Investigative Services – Cyber Remediation Coordinator
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 (InfoSec) -
InfoSec prevents, detects, responds, and mitigates cybersecurity risk, protecting EY and client data, and our information management systems.

The opportunity
The Cyber & Investigative Services (CIS) Cyber Remediation Coordinator will exercise vulnerability management techniques coupled with response and recovery processes to coordinate the mitigation of observed high and critical severity risks and threats on a global scale. Candidates for the role must have a comprehension of vulnerability management and coordination of activities, establish and foster relationships on a global scale, and have good verbal and written communication skills. Additionally, candidates must have a sense of diplomacy, ability to anticipate obstacles, and decision-making skills to handle the fast-paced world of cybersecurity.

Your Key Responsibilities

• Coordinate remediation of vulnerabilities detected by Vulnerability Discovery team along with application support team
• Adhere to SOPs and internal action playbooks as part of BAU handling
• Engage corresponding Security Consultants of the SL
• Serve as a liaison to different businesses and interface with fellow team members and colleagues on other security teams
• Effectively interact with other IT Services professionals
• Prioritize, organize, optimize and automate daily operations
• Strong verbal and written communications skills
• Must be willing to be on-call off hours in rotation with other team members (Required)

Skills And Attributes For Success

• Good foundational knowledge of vulnerability management frameworks and programs
• Good communication, interpersonal, organizational, and project management skills
• Good problem-solving skills
• Working knowledge of Service Now, XSOAR
• Working knowledge of Python and Sentinel
• Demonstrates integrity and judgment within a professional environment
• Ability to appropriately balance work/personal priorities

To qualify for the role, you must have

• Education:

• Bachelor’s Degree in Computer Science, Information Systems, Engineering, a related field, or equivalent experience

• Experience:

• Up to 5 years relevant experience, such as vulnerability management
• Understanding of Vulnerability Management lifecycle
• Understanding of security threats and vulnerabilities
• Working knowledge of Service Now, XSOAR
• Working knowledge of Python, Splunk etc.
• Experience with SIEM technologies (i.e. Sentinel, Splunk, etc.)

Ideally, you’ll also

• Candidates must hold or be willing to pursue related professional certifications in Information Security, cybersecurity, and/or vulnerability management

What We Look For

• Demonstrated integrity in a professional environment
• Ability to work independently
• Have a global mind-set for working with different cultures and backgrounds
• Good communication, interpersonal, organizational, and project management skills
• Good teaming skills
• Good social, communication, and writing skills

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:

• Support, coaching and feedback from some of the most engaging colleagues around
• Opportunities to develop new skills and progress your career
• The freedom and flexibility to handle your role in a way that’s right for you

EY is committed to be 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.
Join us in building a better working world.
Apply now.

Security Consultant

EY Technology Overview
Technology is central to EY’s operations and service delivery. With 250,000 professionals across 140+ countries, secure and efficient technology enables our people to work seamlessly—whether on laptops, mobile devices, or through internal and client-facing solutions. Technology drives innovation and underpins the services we provide.

EY Technology is organized into three business units:

• Client Technology (CT): Develops innovative technology services for clients, accelerating opportunity identification and delivery.
• Enterprise Workplace Technology (EWT): Supports core business services with cost-effective, user-centric technology infrastructure.
• Information Security (Info Sec): Protects EY and client data by preventing, detecting, and mitigating cyber risks.

The Opportunity
As a Security Consultant within EY’s Client Service Security Consulting and Assurance team, you will be a trusted advisor to EY’s Strategy & Transactions and Sustainability service line. You will support global platforms, AI and analytics solutions, and line-of-business services. Your role includes reviewing security architectures, providing security guidance, prioritizing security requirements, promoting secure-by-design principles, and facilitating security throughout the system development life cycle (SDLC). You will also provide guidance in risk treatment and translate technical vulnerabilities into business risk language for stakeholders.

Key Responsibilities

• Define pragmatic security architectures balancing business benefits and risks.
• Collaborate with IT project teams throughout the SDLC to identify and implement security controls.
• Conduct risk assessments of information systems and infrastructure.
• Maintain and enhance the Information Security risk assessment methodology.
• Develop security configuration standards for platforms and technologies.
• Recommend risk treatment and mitigation strategies for identified security risks.
• Translate technical vulnerabilities into business risk terms and advise stakeholders on corrective actions.
• Share knowledge and provide technical support to team members.
• Serve as a Subject Matter Expert (SME) in assigned technologies with deep technical expertise.

Skills And Attributes For Success

• Strategic mindset to develop long-term risk management and security frameworks.
• Ability to balance security needs with business impact and benefits.
• Skilled in facilitating compromise to advance security objectives incrementally.
• Strong understanding of EY’s business objectives and ability to build cross-functional relationships.
• Collaborative team player who promotes security policy compliance.
• Experienced in leading meetings with diverse stakeholders, building consensus, and mediating compromises.
• Comfortable working in ambiguous and dynamic environments.
• Minimum five years’ experience in architecture, design, and engineering of web-based multi-tier systems or network infrastructures.
• Experience with security architecture and assessment of messaging, ERP, CRM, or data analytics solutions.
• Proficient in conducting risk, vulnerability, vendor, and third-party assessments with remediation recommendations.
• Familiarity with security standards such as ISO 27001/27002, NIST, PCI DSS, ITIL, COBIT.
• Experience with cloud technologies and solutions, preferably Microsoft Azure.

Qualifications

• Advanced degree in Computer Science or related field, or equivalent experience.
• At least five years managing significant Information Security risk functions.
• Eight or more years in Information Security or IT roles.
• Proven ability to communicate security findings and recommendations effectively to IT teams and management.
• Exceptional judgment, tact, and decision-making skills.
• Adaptable to shifting priorities, ambiguity, and rapid change.
• Strong management, interpersonal, communication, organizational, and decision-making skills.
• Minimum two years’ experience with cloud architecture, design, and assessment.
• Proficient in English.

Preferred Certifications

• GIAC certifications, CSSP, CISSP, CISM, or CISA are highly desirable or candidates actively pursuing these certifications.

What EY Offers
We provide a competitive remuneration package rewarding individual and team performance. Our Total Rewards include flexible working support, career development opportunities, and benefits tailored to your needs through FlexEY, covering holidays, health, insurance, savings, and discounts.

Additional benefits:

• Support, coaching, and feedback from engaging colleagues.
• Opportunities to develop new skills and advance your career.
• Flexibility to manage your role in a way that suits you.

EY is committed to inclusivity and flexible working arrangements to help you balance professional and personal priorities. While client-facing roles may require travel and onsite presence, flexible options support a healthy work-life balance.

About EY
EY is a global leader in assurance, tax, transaction, and advisory services, committed to building a better working world. We foster a culture of training, opportunity, and creative freedom. Joining EY means a lifelong exceptional experience, supported by a passionate team dedicated to making EY the best employer.

If you meet the above criteria, please contact us promptly to explore this opportunity.

Job Title: IAM Engineer – Okta App Migration Consultant
Location: Argentina

Experience: at least 2 or 3 years of relevant experience

Role Summary
The Senior Okta App Migration Consultant will support the US client account within EY’s Cybersecurity / Identity & Access Management practice. This role is responsible for leading application migration and onboarding activities into Okta, supporting secure authentication and federation capabilities, coordinating testing and cutover readiness, and producing high-quality delivery documentation. The role requires strong hands-on Okta experience, client-facing communication skills, and the ability to drive migration activities across multiple stakeholders and environments.

Core Responsibilities

• Lead application migration and onboarding activities into Okta, including requirement gathering, design validation, implementation, testing, and production support.
• Conduct discovery sessions with business and technical stakeholders to understand authentication methods, access requirements, dependencies, and migration constraints.
• Configure and support SSO integrations using SAML 2.0, OIDC, and OAuth 2.0 for enterprise applications.
• Implement and validate Okta sign-on policies, MFA requirements, user/group mappings, and access flows aligned with client expectations.
• Support migration planning, test execution, cutover readiness, defect resolution, and post-go-live stabilization / hypercare.
• Coordinate with application owners, infrastructure teams, security teams, and delivery leadership to ensure smooth and timely execution.
• Troubleshoot complex authentication, federation, provisioning, and policy-related issues during onboarding and migration.
• Prepare and maintain technical documentation including requirement documents, design documents, runbooks, KT materials, and status updates.
• Support knowledge transfer to operations teams and mentor junior consultants where needed.

Required Skills

• Hands-on experience in IAM with strong delivery experience in Okta application onboarding and migration.
• Strong knowledge of Okta SSO integrations and authentication standards including SAML 2.0, OIDC, and OAuth 2.0.
• Experience with MFA implementation, sign-on policies, access policies, and secure authentication design.
• Working knowledge of Active Directory integrations, delegated authentication, and identity lifecycle considerations.
• Experience supporting testing, defect remediation, cutover, and production stabilization for IAM / SSO migrations.
• Strong troubleshooting, analytical, communication, and stakeholder management skills.

• Ability to create high-quality technical and operational documentation.

Good to Have

• Experience with Okta Org2Org, tenant migration, routing rules, or large-scale identity transformation programs.
• Experience with Okta APIs, Okta Workflows, or automation for onboarding and migration activities.
• Exposure to Terraform, GitHub, Jenkins, or related CI/CD tooling.
• Familiarity with Microsoft Entra ID, PingFederate, CyberArk, or SailPoint in hybrid IAM environments.
• Prior experience in banking, financial services, or regulated environments.
• Okta certifications such as Okta Certified Professional or Okta Certified Administrator.

Additional Expectations

• Ability to work independently and collaborate effectively across distributed EY and client teams.
• Strong ownership mindset with focus on quality, accountability, and delivery discipline.
• Comfortable working in client-facing roles, leading discussions, and providing concise status updates.
• Support mentoring, knowledge sharing, and operational handoff activities as part of the EY delivery model.