Microsoft Entra ID Subject Matter Expert (SME)

Role Summary

The Microsoft Entra ID Subject Matter Expert (SME) is responsible for supporting, operating, and improving core identity and access capabilities within Microsoft Entra ID. This role focuses on ensuring stable directory services, secure access configurations, effective hybrid identity operations, and strong monitoring across the identity platform. The administrator works closely with security, collaboration, endpoint, and other platform teams to maintain a consistent and secure identity environment.

Key Responsibilities

• Support and maintain core Entra ID configurations that enable secure identity and access management across LSEG.

• Manage directory structures, administrative boundaries, and role‑scoped access to ensure secure and appropriate delegation.

• Contribute to access policy design and enforcement, helping ensure the right users access the right resources securely.

• Maintain identity attributes, directory objects, and related configurations required for business and security needs.

• Operate monitoring, logging, and reporting functions to maintain service health and visibility across identity components.

• Support hybrid identity operations, including synchronisation and integration between on‑premises and cloud environments.

• Manage domain‑related directory settings and identity services within the cloud environment.

• Collaborate with peer teams on identity‑related projects, incident response, and change processes.

Daily Activities

• Perform operational checks, configuration updates, and maintenance tasks within Entra ID.

• Monitor service health, identity signals, and synchronisation processes; address issues proactively.

• Maintain documentation, operational procedures, and change records.

• Engage with stakeholders across technology and security teams to support identity‑related initiatives.

Required Skills & Experience

• Experience administering Microsoft Entra ID in enterprise environments.

• Understanding of cloud identity principles, directory management, and hybrid identity concepts.

• Familiarity with PowerShell, Graph API, or similar tools for automation and scripting.

• Experience with monitoring, logging, dashboards, or identity analytics.

• Strong understanding of identity security and operational best practices.

• Relevant Microsoft certifications.

Career Stage:

London Stock Exchange Group (LSEG) Information:

Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you.

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.

You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it’s used for, and how it’s obtained, your rights and how to contact us as a data subject.

If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.