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Ernst & Young

Global professional services: consulting, assurance, tax

SIEM Security Engineer

Security Engineering & ArchitectureUpdated on Nov 14
Full-timeBuenos Aires, ArgentinaNo salary listed

About the Job

Requirements

  • Approximately 5–7 years of security experience, including demonstrable knowledge of SIEM technologies.
  • At least 3 years of proven engineering-function experience.
  • Technical ability in Azure, Google and/or AWS cloud services, hybrid and on-premises security solutions, and Linux and Windows operating systems.
  • Technical ability with SaaS, IaaS, and PaaS solutions.
  • Understanding of technologies needed to run a secure enterprise-level infrastructure that adheres to security best practices.
  • Ability to design and document processes, procedures, and security designs clearly and accurately for internal teams and customers.
  • Experience dealing with external vendors and suppliers in the IT industry.
  • Ability to communicate fluently in English, both written and verbal, and explain technical concepts effectively.
  • Ability to work within tight time periods and periodically work off-hours to implement complex changes.

Responsibilities

  • Engineer security solutions and services in on-premises, hybrid, and cloud-based environments, following relevant EY standards and practices.
  • Collaborate with architecture teams to plan, design, and implement SIEM solutions in multi-cloud environments such as Azure, AWS, and GCP.
  • Work with data-pipeline architecture and implementation, data collection, out-of-the-box data connectors, Linux configuration, and Syslog/CEF (Common Event Format).
  • Implement and architect log-collection methods, including Cribl.
  • Manage data-retention options within the Sentinel platform.
  • Test, deploy, and configure Azure Monitoring Agent (AMA) and Azure ARC for connected machines in a global environment.
  • Apply Azure RBAC to Microsoft Sentinel and Log Analytics workspaces at tenant, subscription, resource, and table levels.
  • Use KQL query language and KQL functions.
  • Work with analytic rules, Logic Apps, Azure Functions, and other cloud-service workflow tools.
  • Implement, integrate, deliver, and maintain new and existing SIEM solutions.
  • Provide consulting services to other teams and act as an escalation point for operational issues.

Desired Qualifications

  • Technical proficiency interacting with APIs and scripting tools such as Python, Ansible, and PowerShell.
  • A bachelor’s degree in computer science, engineering, information technology, mathematics, or a related field, or equivalent work experience.
  • GSEC, GCLD, CISSP, GCSP, or another generalist security certification from ISC2 or GIAC.
  • At least one technical certification from a public cloud provider, ideally Azure, AWS, or Google.
  • Experience in project management, service introduction, and service readiness.

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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