Job Description and Responsibilities
TI is seeking a senior AD and Entra architect to lead the design and evolution of our enterprise identity infrastructure supporting both IT and OT environments. This role will architect and optimize Active Directory and Microsoft Entra ID (Azure AD) solutions that serve as the backbone for identity management across our global organization, supporting 50,000+ users and complex hybrid cloud deployments. You will design scalable identity solutions while ensuring seamless integration between on-premises legacy systems, modern cloud applications, and increasingly critical operational technology environments.
Key responsibilities will be as follows:
- Design and implement enterprise-scale Active Directory forest architectures, including multi-domain topologies, trust relationships, and site replication strategies
- Architect Microsoft Entra ID tenant configurations supporting hybrid identity scenarios, conditional access policies, and zero-trust security models
- Develop and enforce identity governance frameworks including role-based access control (RBAC), privileged identity management (PIM), and lifecycle management processes
- Design secure authentication and authorization patterns for enterprise applications, including SAML, OAuth 2.0, OpenID Connect, and Kerberos implementations
- Partner with cybersecurity, infrastructure, and application teams to establish identity security standards and access management best practices
- Evaluate and integrate emerging identity technologies to enhance user experience while maintaining security posture
- Lead cross-functional identity modernization initiatives, including legacy application migration and cloud-first identity strategies
- Provide technical leadership and mentoring to identity engineering teams across global locations
- Establish monitoring and governance frameworks to ensure identity infrastructure performance, compliance, and security metric.
Enterprise identity management:
- Identity lifecycle management and automated provisioning/deprovisioning
- Role-based access control (RBAC), Attribute-based access control (ABAC) & Policy based-access control (PBAC) models
- Single Sign-On (SSO) architecture for SaaS, on-premises, and hybrid applications
- Multi-factor authentication (MFA) strategy and implementation across diverse application portfolios
- Directory synchronization patterns and identity data governance
- Operational Technology (OT) identity management experience:
- Access management for industrial control systems (SCADA, DCS, PLCs)
- Understanding of OT network segmentation and air-gapped environment challenges
- Experience with OT-specific authentication protocols and legacy system integration
- Hardening & segregation of legacy OT systems, services & data avoiding downtime or disruptions
Technical architecture skills:
- PowerShell, Microsoft Graph API, and Azure CLI for identity automation
- Directory services protocols (LDAP, LDAPS, Kerberos, NTLM)
- Network architecture understanding for identity services (DNS, firewalls, load balancers)
- Windows Server infrastructure and enterprise-scale system administration
- Cloud architecture patterns in Azure, with understanding of other major cloud platforms
Leadership and communication:
- Proven ability to influence technical decision-making across global, cross-functional teams
- Exceptional communication skills to translate complex identity concepts for business stakeholders
- Experience mentoring and developing technical teams in identity management practices
- Strong project management capabilities for large-scale identity transformation initiatives
Preferred/Nice-to-Have Skills:
- Experience with other identity platforms (Ping Identity, SailPoint, AWS IAM)
- Knowledge of compliance frameworks relevant to identity management (SOX, GDPR, HIPAA, NIST)
- Certifications in Microsoft identity technologies (SC-300, MS-102) or equivalent vendor certifications
- Experience with identity analytics, risk-based authentication, and behavioural analysis tools
- Understanding of DevSecOps practices and infrastructure-as-code for identity deployments
Why TI?
- Engineer your future. We empower our employees to truly own their career and development. Come collaborate with some of the smartest people in the world to shape the future of electronics.
- We''re different by design. Diverse backgrounds and perspectives are what push innovation forward and what make TI stronger. We value each and every voice, and look forward to hearing yours. Meet the people of TI
- Benefits that benefit you. We offer competitive pay and benefits designed to help you and your family live your best life. Your well-being is important to us. Please find our country-specific benefits here
About Texas Instruments
Texas Instruments Incorporated (Nasdaq: TXN) is a global semiconductor company that designs, manufactures and sells analog and embedded processing chips for markets such as industrial, automotive, data center, personal electronics and communications equipment. At our core, we have a passion to create a better world by making electronics more affordable through semiconductors. This passion is alive today as each generation of innovation builds upon the last to make our technology more reliable, more affordable and lower power, making it possible for semiconductors to go into electronics everywhere. Learn more at TI.com.
Texas Instruments is an equal opportunity employer and supports a diverse, inclusive work environment. All qualified applicants will receive consideration for employment without regard to race, color, religion, creed, disability, genetic information, national origin, gender, gender identity and expression, age, sexual orientation, marital status, veteran status, or any other characteristic protected by federal, state, or local laws.
If you are interested in this position, please apply to this requisition.
Minimum Requirements:
- 8+ years of experience in identity and access management, systems architecture, or related enterprise infrastructure roles
- 5+ years of hands-on experience architecting and managing Active Directory in enterprise environments (10,000+ users)
- 3+ years of experience with Microsoft Entra ID (Azure AD) architecture and hybrid identity implementations
Preferred Qualifications:
Active Directory Domain Services (AD DS) architecture including:
Multi-forest and multi-domain design patterns
Site topology optimization and replication management
Group Policy architecture and delegation models
Trust relationships and cross-forest authentication
Microsoft Entra ID (Azure AD) advanced configurations including:
Hybrid identity with Azure AD Connect/Cloud Sync
Conditional Access policy design and implementation
Privileged Identity Management (PIM) and Identity Governance
Application integration patterns and enterprise application gallery
Identity federation protocols and standards (SAML 2.0, OAuth 2.0, OpenID Connect, WS-Federation)
Certificate-based authentication and PKI integration with identity services