Cyber SDC- Purview and Defender for Office Operations Lead Eng - Senior - Consulting - Location Open

EY

EY

Operations
Dallas, TX, USA · Multiple locations
USD 77,500-140,900 / year
Posted on Nov 6, 2025

Location: Anywhere in Country

At EY, we’re all in to shape your future with confidence.

We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help to build a better working world.

We are seeking a skilled and motivated Cybersecurity operations professional, with a specialized skillset in data protection and email security, to join our cybersecurity team. The ideal candidate will be responsible for the administration, management, troubleshooting, and continuous improvement of Microsoft Purview, Microsoft Defender for Office, and eShare platforms. This role requires a strong understanding of data protection, compliance, and email security best practices, along with the ability to work collaboratively with cross-functional teams to enhance our information protection posture. In this operations role, the individual will be responsible for troubleshooting real-time issues from client stakeholders and end users on a daily basis.

Key Responsibilities:

  1. Platform Administration:

  1. Administer Microsoft Purview, Microsoft Defender for Office, and eShare, ensuring optimal performance and availability of the platforms.

  1. Configure and manage security settings, policies, and policy exceptions within Microsoft Purview, Defender for Office, and eShare.

  1. Follow change management life cycle for all configuration changes by testing in DEV and QA prior to promoting to Production through documenting change requests in ServiceNow.

  1. User Support:

  1. Respond to user incident tickets where a security tool has hindered their ability to perform a task (e.g., send email, receive email, copy to USB). Ensure tickets are resolved per SLAs.

  1. Troubleshoot and identify root cause of user’s issue, implementing configuration change if required. Keep user informed through process with updates. Escalate to client stakeholders as required.

  1. Create and maintain user support documentation, including KB articles, known issue posts, and SharePoint informational materials.

  1. Collaboration and Communication:

  1. Work closely with supporting IT, security, and email teams to integrate Microsoft Purview, Defender for Office, and eShare with existing systems and workflows.

  1. Communicate effectively with stakeholders to report on operational status, escalations, blockers, and recommendations for improvement.

  1. Continuous Improvement:

  1. Monitor and report on data classification usage and data loss prevention (DLP) policy hits.

  1. Stay updated on the latest features, updates, and best practices related to Microsoft Purview, Defender for Office, and eShare.

  1. Identify opportunities for process improvements and automation within the operations of Microsoft Purview, Defender for Office, and eShare.

  1. Automate repetitive activities through scripting (PowerShell, Python) and automation (Tines, PowerAutomate, etc.)

  1. Documentation and Reporting:

  1. Maintain accurate documentation and SOPs (Standard Operating Procedures) of current configurations, processes, and procedures related to Microsoft Purview, Defender for Office, and eShare operations.

  1. Generate reports on workstream performance and metrics for management review.

  1. Keep an updated project plan on a weekly cadence and report to stakeholders and project management as timelines shift or are delayed.

  1. Team Leadership

  1. Work alongside an international team across multiple time zones.

  1. Identify asks from client stakeholders and assign to team members based on interest, skillset, and bandwidth. Track tasks to completion and provide updates to requesting stakeholders.

  1. Provide team with technical support as an SMR on in-scope technologies.

  1. Escalate issues and roadblocks to EY leadership as needed.

Qualifications:

  • Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or a related field.

  • 3+ years of proven experience in managing and supporting security and compliance solutions within Microsoft Purview and Microsoft Defender for Office.

  • Excellent problem-solving skills and attention to detail.

  • Strong communication and interpersonal skills.

  • Scripting experience, including PowerShell, Python, etc.

  • Automation experience, including Tines, PowerAutomate, etc.

  • Ticket and change management experience in ServiceNow.

  • Experience with leading an international team across multiple time zones.

Preferred Skills:

  • Experience or knowledge in eShare technologies.

  • Experience with dashboarding and metrics, including through Excel, PowerBI, Splunk, etc.

  • Experience maintaining multiple security tenants, GCCH and Commercial versions.

  • Relevant certifications (e.g., Microsoft Certified: Security, Compliance, and Identity Fundamentals, Microsoft Certified: Azure Security Engineer Associate, CISSP, CIPT).

Work Environment:

This position may require occasional after-hours support and on-call availability. The Microsoft Purview and Defender for Office Operations Engineer will work in a collaborative team environment, contributing to the overall security and compliance posture of the organization.

What we offer you
At EY, we’ll develop you with future-focused skills and equip you with world-class experiences. We’ll empower you in a flexible environment, and fuel you and your extraordinary talents in a diverse and inclusive culture of globally connected teams. Learn more.

  • We offer a comprehensive compensation and benefits package where you’ll be rewarded based on your performance and recognized for the value you bring to the business. The base salary range for this job in all geographic locations in the US is $77,500 to $140,900. The base salary range for New York City Metro Area, Washington State and California (excluding Sacramento) is $92,900 to $160,500. Individual salaries within those ranges are determined through a wide variety of factors including but not limited to education, experience, knowledge, skills and geography. In addition, our Total Rewards package includes medical and dental coverage, pension and 401(k) plans, and a wide range of paid time off options.
  • Join us in our team-led and leader-enabled hybrid model. Our expectation is for most people in external, client serving roles to work together in person 40-60% of the time over the course of an engagement, project or year.
  • Under our flexible vacation policy, you’ll decide how much vacation time you need based on your own personal circumstances. You’ll also be granted time off for designated EY Paid Holidays, Winter/Summer breaks, Personal/Family Care, and other leaves of absence when needed to support your physical, financial, and emotional well-being.

Are you ready to shape your future with confidence? Apply today.
EY accepts applications for this position on an on-going basis.

For those living in California, please click here for additional information.

EY focuses on high-ethical standards and integrity among its employees and expects all candidates to demonstrate these qualities.

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