{"id":3945621,"url":"https://alion.io/job/ntt-data-technical-solutions-architect-ad-ds","title":"Technical Solutions Architect - AD DS","company":{"id":50348,"name":"NTT DATA","domain":"nttdata.com","url":"https://alion.io/company/ntt-data","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Phenom","truth_index":{"grade":"A","score":93,"open_postings":106,"ghost_share":0,"stale_share":0.481,"repost_share":0.019,"time_to_fill_p50_days":18,"computed_at":"2026-11-08T05:47:12Z"}},"role":"Solutions","role_family":"Solutions","seniority":"staff","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Noida, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Active Directory","optional":false},{"name":"CAPA","optional":false},{"name":"DHCP","optional":false},{"name":"DNS","optional":false},{"name":"IAM","optional":false},{"name":"LDAP","optional":false},{"name":"Microsoft Entra ID","optional":false},{"name":"PowerShell","optional":false},{"name":"Windows","optional":false},{"name":"Windows Server","optional":false},{"name":"Incident Management","optional":true},{"name":"ITIL","optional":true},{"name":"SIEM","optional":true}],"status":"live","first_seen_at":"2026-11-08T19:35:00Z","employer_posted_date":null,"last_verified_at":"2026-11-08T19:35:00Z","board_verified":false,"closed_at":null,"days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"We are currently seeking a Technical Solutions Architect - AD DS to join our team in Noida, Uttar Pradesh (IN-UP).Key Responsibilities:\nDesign, administer, and support enterprise Microsoft Active Directory Domain Services (AD DS) environments across production and non-production domains.\nManage domain controllers, forests, domains, trusts, organizational units (OUs), sites, subnets, and Global Catalog services.\nAdminister and troubleshoot DNS, DHCP, Group Policy Objects (GPOs), FSMO roles, Kerberos, LDAP, NTLM, and Windows authentication.\nManage Active Directory replication, Sites and Services, SYSVOL, DFS Replication (DFSR), and domain controller health.\nSupport user, group, computer, service account, and managed service account administration, including gMSA.\nManage domain joins, secure channel issues, account lockouts, authentication failures, and directory connectivity.\nSupport Active Directory schema considerations, domain controller lifecycle management, and directory architecture changes.\n\nAdvanced L3 Troubleshooting and RCA:\nOwn complex L3 escalations involving authentication failures, replication inconsistencies, DNS resolution, Group Policy processing, Kerberos, LDAP, trusts, and domain controller availability.\nDiagnose replication failures using tools such as repadmin, dcdiag, and event logs.\nTroubleshoot SYSVOL/DFSR synchronization issues, lingering objects, USN-related problems, time synchronization, and domain controller promotion or demotion failures.\nPerform detailed RCA for recurring and high-impact incidents and implement permanent corrective and preventive actions.\nLead resolution of critical incidents involving directory outages, authentication disruptions, and cross-domain connectivity issues.\nAnalyze directory service logs, performance counters, network traces, and authentication flows to identify underlying problems.\nCoordinate with Microsoft support and infrastructure, network, security, application, and IAM teams to resolve complex issues.\n\nDirectory Services Security and Hardening:\nImplement and maintain secure Active Directory configurations aligned with enterprise security standards and Microsoft security recommendations.\nReview privileged groups, delegated permissions, administrative accounts, service accounts, and access control lists (ACLs).\nSupport remediation of excessive privileges, insecure configurations, legacy authentication protocols, and stale or unmanaged accounts.\nImplement and review Group Policy security settings, password policies, account lockout policies, and authentication controls.\nSupport privileged access security, tiered administration, protected administrative accounts, and secure management of domain controllers.\nIdentify and remediate risks involving Kerberos, NTLM, LDAP signing/channel binding, unconstrained delegation, and other directory security weaknesses.\nSupport security audits, vulnerability remediation, compliance evidence collection, and access reviews.\n\nHybrid Identity and Enterprise Integrations:\nSupport integration between on-premises Active Directory and Microsoft Entra ID.\nTroubleshoot hybrid identity synchronization and authentication dependencies, where applicable.\nCollaborate with IAM/IGA, PAM, SSO/MFA, endpoint, and cloud infrastructure teams on identity-related integrations.\nSupport directory dependencies for enterprise applications, LDAP integrations, service authentication, and identity lifecycle workflows.\nTroubleshoot authentication and authorization issues across interconnected enterprise environments.\nSupport directory-related migration, consolidation, trust configuration, and application modernization initiatives.\n\nRequired Technical Skills:\nExpert-level knowledge of Microsoft Active Directory Domain Services and enterprise Windows Server environments.\nStrong expertise in AD replication, DNS, Group Policy, FSMO roles, Global Catalog, trusts, and Sites and Services.\nAdvanced troubleshooting of Kerberos, LDAP, NTLM, secure channels, authentication, authorization, and account lockouts.\nStrong knowledge of DFSR/SYSVOL, domain controller health, time synchronization, and directory recovery.\nExperience with PowerShell scripting and automation.\nStrong understanding of Active Directory security, delegation, ACLs, privileged groups, service accounts, and gMSA.\nExperience with Microsoft Entra ID and hybrid identity integration is desirable.\nFamiliarity with monitoring, SIEM integration, vulnerability remediation, and security auditing.\nExperience with ITIL-based incident, problem, change, and service management processes.\n\nPlatform Lifecycle, Resilience and Change Management:\nPlan and execute domain controller patching, upgrades, replacement, promotion, and demotion activities.\nSupport Active Directory backup, forest recovery planning, disaster recovery testing, and business continuity procedures.\nValidate replication, DNS, authentication, Group Policy, and dependent services following infrastructure changes.\nLead technical impact assessments, risk reviews, implementation plans, rollback planning, and post-change validation.\nSupport capacity management, performance optimization, platform availability, and operational readiness.\nEnsure compliance with change management, incident management, problem management, and release management procedures.\nSkills\nAD DS, Active Directory, PowerShell, Windows Server","description_format":"text","description_chars":5372,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Data Centers & Colocation","IT Consulting & Digital Transformation","IT Outsourcing & Dedicated Teams","Managed IT Services 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