Active Directory Subject Matter Expert

3 weeks ago

london, United Kingdom Tata Consultancy Services Full time

Role: Active Directory Subject Matter Expert

Job Type: Permanent

Location: London Paddington, Hybrid.


Ready to utilise your skills in Azure AD?

Are you passionate about providing your expertise to improve AD and Azure AD service performance, availability, and reliability?


We have an exciting role for you as an Active Directory Subject Matter Expert


Careers at TCS: It means more

TCS is a purpose-led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful difference to the people and communities they serve - our clients include some of the biggest brands in the UK and worldwide. For you, it means more to make an impact that matters, through challenging projects which demand ambitious innovation and thought leadership.

  • Gain exposure to innovative technology.
  • Work with customers and identify opportunities to support their strategy and improve their processes across functions.
  • Gain access to endless learning opportunities.


The Role

As an Active Directory SME, you will be responsible for providing end-to-end support for the complete AD and Azure AD Hybrid infrastructure.


Key responsibilities:

  • Provide end-to-end support for the complete AD and Azure AD Hybrid infrastructure.
  • Oversee the production environment by monitoring health check reports and taking a holistic view of system health.
  • Partner with other Infra teams and vendors to improve AD and Azure AD service performance, availability, and reliability.
  • Troubleshoot AD Replication issues and perform DC health check validations.
  • Participate in system design, platform management, and capacity planning.
  • Resolve production and non-production incidents along with Incident Reduction and Optimization.
  • Provide SME (Subject Matter Expert) support during major Incidents, risk mitigation, root cause analysis and solution design scenarios.
  • Manage AAD Connect Server and PKI Services in AD Infra.
  • Provide regular knowledge transfer sessions to groom resources in the team.


Your Profile

Key skills/knowledge/experience:

  • Experience in AD and Azure AD Administration.
  • Expert knowledge in administering AD (Multi domain Environment) and AAD in hybrid environments.
  • Good Knowledge in administering AAD Support Services such as AAD, Conditional Access Policies, Multifactor Authentication, AAD Self Service Password Reset (SSPR) and AAD Connect.
  • Experience in managing and troubleshooting Azure AD Connect servers during sync issues between OnPrem AD and Azure AD.
  • Good Knowledge in management and Migration of Internal AD PKI Services.
  • Expert Knowledge in designing, testing, and deploying and maintaining Active Directory Group Policy (GPO) for the purpose of securing Domain Controllers, Domain Member Servers, and Domain Member Workstations.
  • Good Knowledge of PowerShell Scripting with AD and Azure AD modules and ability to write scripts based on the requirements.
  • Experience working with cyber security teams to actively update AAD conditional Access policy and AD Group Policies determined by cyber security threats and operational requirements.
  • Deep understanding of Modern Authentication and Authorization protocols such as SAML, Open ID Connect, Oath 2.0.
  • In-depth knowledge of AD Replication and Disaster Recovery mechanisms.
  • Knowledge of SSO Configuration and Supported protocols.
  • Knowledge of Multi Domain environment management.
  • Experience in PowerShell Script.


Must have:

  • AD Recovery.
  • AD Remediation.


Good to have:

  • Entra Conditional Access policies.
  • SSO & MFA.
  • Familiarity with enterprise JML process.
  • Good communication skills with the persona to build relationships with business colleagues and communicate on business terms.
  • Analytical and decision-making skills.


Rewards & Benefits

TCS is consistently voted a Top Employer in the UK and globally. Our competitive salary packages feature pension, health care, life assurance, laptop, phone, access to extensive training resources and discounts within the larger Tata network.


Diversity, Inclusion & Wellbeing

At TCS, we believe in building and sustaining a culture of equity and belonging where everyone can thrive. Our diversity motto is ‘Inclusion without Exception’.


You’ll find a welcoming culture and many internal volunteering and social networks to join. Our diversity, inclusion and social activities involve 12 employee networks including LGBTQ+ & Allies, mental health, disability & neurodiversity inclusion and many more, as well as health & wellness initiatives and sports events (we even sponsor the London Marathon).

We are open to all and treat applications equally, regardless of ethnicity, disability, gender identity, gender reassignment, age, sexual orientation, or beliefs.

If you are an applicant who needs a reasonable accommodation due to Disability or Neurodiverse Condition to complete an employment application, or during any phase of the hiring process, please contact us at vishwa.ganesh@tcs.com with the subject line: “Reasonable Accommodation Request”.


Due to a high volume of applications, we will be unable to contact each applicant individually on the status of their application. If you have not received a direct response within 30 days, then it should be deemed unsuccessful on this occasion.


Application Process

1. Online application > 2. Technical discussion > 3. Managerial discussion > 4. HR discussion


Join us and do more of what matters. Apply online now.

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