Applied Materials · 1 week ago
Security Engineer - Active Directory and PKI
Austin, TX
Full-time
Onsite
Senior Level
$132K/yr - $182K/yr
5+ years expApplied Materials is a global leader in materials engineering solutions used to produce advanced display and semiconductor chips. The Security Engineer will design and implement secure Active Directory and PKI solutions, ensuring high availability and compliance while collaborating with global teams.
ElectronicsManufacturingSemiconductorSoftware
Responsibilities
Design and implement scalable, secure Active Directory (AD) and LDAP directory services for global enterprise environments
Integrate AD/LDAP and PKI with cloud identity platforms such as Azure AD, AWS IAM, and MFA solutions (e.g security key, passkey etc.)
Perform regular maintenance, health checks, and performance tuning of AD, LDAP, and PKI systems
Ensure high availability and disaster recovery readiness for identity infrastructure
Troubleshoot complex issues including replication, authentication failures, and certificate errors
Architect and manage internal PKI infrastructure including CA, RA, CRL, OCSP, and HSM integrations
Define trust strategies and governance models for Certification Authorities (CAs)
Develop and maintain Certificate Policy and Certificate Practice Statements (CP/CPS)
Deploy and operate enterprise-grade PKI solutions including Microsoft ADCS and third-party platforms (e.g., DigiCert, Keyfactor, Venafi)
Implement certificate lifecycle management (CLM) processes including issuance, renewal, revocation, and automation
Support application integrations for TLS/SSL, S/MIME, 802.1x, Smartcards, and Code Signing
Ensure secure key creation, storage, and usage aligned with cryptographic standards and compliance requirements
Develop automation scripts using PowerShell, Python, or Ansible for identity and certificate operations
Integrate PKI and credential management into CI/CD pipelines and DevSecOps workflows
Understanding of IAM solutions including SSO, MFA, and role-based access control
Work with federation protocols (SAML, OAuth, OpenID Connect) and tools like ADFS, Keycloak, PingFederate
Align identity and certificate services with ISO 27001, SOC 2, NIST, and GDPR frameworks
Support internal and external audits with documentation, logs, and remediation plans
Track and report service metrics, SLAs, KPIs, and KRIs for operational excellence
Collaborate with global teams including IAM, Infrastructure, Security, and Application owners
Provide excellent customer service to users and internal stakeholders
Contribute to change management and documentation using ITSM tools
Mentor team members and lead cross-functional technical initiatives
Qualification
Required
5-7 years of experience in enterprise IT infrastructure with specialization in AD, LDAP, and PKI
Strong understanding of AD core concepts: FSMO roles, OU structure, GPOs, replication, RODCs, schema, and security
Hands-on experience with Microsoft ADCS and PKI components: Root CA, Issuing CA, OCSP, CRLs, SCEP/NDES
Experience with LDAP directories (OpenLDAP, Oracle Directory Services) and integration with enterprise systems
Proficiency in scripting (PowerShell, Python) and automation tools (Ansible, Terraform)
Familiarity with certificate deployment across platforms: Windows, Linux/Unix, Apache, Tomcat, Java Keystore, F5, Azure Key Vault
Working knowledge of ITIL framework (Incident, Change, Problem Management)
Prior experience with service management tools (e.g., ServiceNow, Remedy)
Strong analytical and problem-solving skills with ability to resolve high-impact production incidents
Experience working with global teams and customers
Preferred
Microsoft certifications (e.g., Azure cloud and security certifications)
Experience with cloud-native identity platforms (HYPR, Azure AD, AWS IAM)
Familiarity with PAM tools
Experience with containerized environments and Kubernetes certificate management
Understanding of cryptographic algorithms (symmetric/asymmetric), digital signatures, and key management
Benefits
Comprehensive benefits package
Participation in a bonus and a stock award program
Company
Applied Materials
Applied Materials is a semiconductor and display equipment company that offers materials engineering solutions.
10001+ employees
H1B Sponsorship
Applied Materials has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (435)
2024 (465)
2023 (362)
2022 (429)
2021 (456)
2020 (354)
Funding
Current Stage
Public CompanyTotal Funding
$2.1BKey Investors
Stonnington GroupUS Department of Energy
2025-02-24Post Ipo Debt· $2B
2023-06-27Post Ipo Equity· $0.38M
2022-10-19Grant· $100M
Leadership Team
Omkaram Nalamasu
Senior Vice President and Chief Technology Officer
Tony Chiang, Ph.D
VP, CTO Applied AI
Recent News
Business Standard India
2026-01-06
Company data provided by crunchbase