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Enterprise Application Architect

Square Hiring

 

Irvine, CA, USA

Posted On: 15+ days ago
Experience: 9+ years
Availability: Hybrid
Openings: 1
Category: Application Architect
Tenure: Contract - Corp-to-Corp
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Description

You will lead Active Directory architecture design for the DC Exit program, ensuring hybrid identity continuity and resilient cloud deployment.

This role is on-site.

Responsibilities

  • Deploy and optimize AD Domain Controllers on AWS EC2 with multi-AZ design and resilient topology.
  • Create AD integration models for migrated Java, .NET, Oracle Exadata, and TIBCO workloads.
  • Develop SAML/SSO and MFA authentication models for cloud-hosted applications and define trust models.
  • Build automation using Terraform, Ansible, and PowerShell for provisioning and configuration.
  • Provide runbooks, topology diagrams, HLD/LLD, and operational transition guidelines.

Required Skills

  • 9+ years of experience in enterprise architecture and identity management.
  • Strong expertise in Microsoft Active Directory, multi-site design, FSMO roles, replication, and DNS integration.
  • Hands-on experience deploying AD Domain Controllers on AWS EC2 with proper site/subnet design.
  • Knowledge of AWS networking for identity: VPC, routing, security groups, DX/VPN/TGW.
  • Experience integrating AD with AWS IAM, SAML providers, and MFA for cloud workloads.
  • Strong understanding of SAML, identity federation, and MFA enforcement for cloud applications.
  • Proficiency in automation using Terraform, Ansible, and PowerShell for AD operations.
  • Knowledge of Windows Server 2016–2025 and AD integration for RHEL 7–9 systems.

Preferred Skills

  • Experience supporting AD needs for Java/.NET apps, Oracle/SQL DBs, and TIBCO integrations.
  • Skilled in GPOs, OU structures, certificate services, and security hardening standards.
  • Ability to troubleshoot authentication issues, replication delays, and hybrid identity failures.

Education

Any Gradute

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