Infrastructure Architect

Quantum World Technologies Inc.; Plymouth (MA); On-site; USD 96,000 - 165,000; Full time

Job summary

Quantum World Technologies Inc. in Plymouth, MA is seeking an experienced Active Directory Infrastructure Architect to lead modernization of AD, DNS, and DHCP infrastructure.

You will define target-state architecture, drive migration strategies, and ensure security compliance while providing technical leadership across the transformation lifecycle. The ideal candidate has 12–15 years in Microsoft infrastructure, with proven success in large-scale AD migrations and a deep understanding of

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Engineering, or related field.
• 10 to 14 years of experience in Microsoft Infrastructure and Identity Management.
• Minimum 7+ years of experience in designing and architecting enterprise Active Directory environments.
• Proven experience leading large-scale AD, DNS, and DHCP migration projects.
• Strong PowerShell scripting and automation experience.

Responsibilities

• Design, architect, and implement enterprise-grade Active Directory solutions.
• Develop target-state architecture for Active Directory, DNS, and DHCP environments.
• Assess existing infrastructure and recommend modernization strategies.
• Define standards, governance, and best practices for identity and infrastructure services.
• Lead end-to-end migration and upgrade projects for Active Directory Forests, Domains, Domain Controllers, DNS, and DHCP.
• Develop migration plans, rollback strategies, and risk mitigation approaches.
• Perform infrastructure consolidation, domain restructuring, and modernization initiatives.
• Coordinate and execute cutover activities with minimal business disruption.
• Implement Microsoft security best practices for Active Directory and strengthen identity security.
• Conduct AD health assessments, security audits, and remediation activities.
• Ensure compliance with organizational and regulatory requirements.
• Provide Level 3 and architectural support for complex infrastructure issues.
• Analyze and resolve replication, authentication, DNS, and DHCP-related problems.
• Establish monitoring, alerting, backup, and disaster recovery processes.
• Optimize performance, availability, and scalability of directory services.
• Collaborate with infrastructure, cloud, networking, cybersecurity, and application teams.
• Present architectural recommendations to leadership and technical stakeholders.
• Lead technical workshops and knowledge transfer sessions.
• Create and maintain architecture diagrams, design documents, and operational procedures.

Skills

AD DS

DNS

DHCP

ADFS

Group Policy

Sites and Services

Replication

PowerShell

Windows Server Admin

Education

Bachelor's degree in Computer Science/IT/Engineering

Job description

Job Title : Active Directory Infrastructure Architect

Experience : 12 to 15 Years

Location : Plymouth, MA (Onsite)

Duration : Long Term Contract

Job Summary

We are seeking a highly skilled and hands-on Active Directory Infrastructure Architect to lead the migration, modernization, and upgrade of our enterprise Active Directory (AD), DNS, and DHCP infrastructure.

The ideal candidate will possess deep technical expertise in Microsoft identity and infrastructure services and have proven experience designing, implementing, and migrating complex enterprise environments.

This role requires an architect who can define target-state architecture, drive migration strategies, ensure security compliance, and provide technical leadership throughout the transformation lifecycle.

Key Responsibilities

• Design, architect, and implement enterprise-grade Active Directory solutions.
• Develop target-state architecture for Active Directory, DNS, and DHCP environments.
• Assess existing infrastructure and recommend modernization strategies.
• Define standards, governance, and best practices for identity and infrastructure services.

Migration & Upgrade

• Lead end-to-end migration and upgrade projects for:
• Active Directory Forests and Domains
• Domain Controllers
• DNS Infrastructure
• DHCP Services
• Develop migration plans, rollback strategies, and risk mitigation approaches.
• Perform infrastructure consolidation, domain restructuring, and modernization initiatives.
• Coordinate and execute cutover activities with minimal business disruption.

Security & Compliance

• Implement Microsoft security best practices for Active Directory.
• Strengthen identity security through privileged access management and tiered administration.
• Conduct AD health assessments, security audits, and remediation activities.
• Ensure compliance with organizational and regulatory requirements.

Operations & Troubleshooting

• Provide Level 3 and architectural support for complex infrastructure issues.
• Analyze and resolve replication, authentication, DNS, and DHCP-related problems.
• Establish monitoring, alerting, backup, and disaster recovery processes.
• Optimize performance, availability, and scalability of directory services.

Stakeholder Management

• Collaborate with infrastructure, cloud, networking, cybersecurity, and application teams.
• Present architectural recommendations to leadership and technical stakeholders.
• Lead technical workshops and knowledge transfer sessions.
• Create and maintain architecture diagrams, design documents, and operational procedures.

Required Skills

Core Technologies

• Microsoft Active Directory Domain Services (AD DS)
• DNS and DHCP Administration
• Active Directory Federation Services (ADFS)
• Group Policy Management
• Active Directory Sites and Services
• Active Directory Replication
• PowerShell Scripting and Automation
• Windows Server Administration (2016/2019/2022)

Cloud & Identity

• Hybrid Identity Solutions
• Single Sign-On (SSO)

Migration Expertise

• Active Directory Migration
• Forest and Domain Consolidation
• Domain Controller Upgrade and Migration
• DNS and DHCP Migration
• Identity Modernization Initiatives

Security

• Active Directory Security Hardening
• Privileged Access Management
• Identity Governance
• Security Baseline Implementation
• Disaster Recovery and Business Continuity Planning

Required Qualifications

• Bachelor's degree in Computer Science, Information Technology, Engineering, or related field.
• 10 to 14 years of experience in Microsoft Infrastructure and Identity Management.
• Minimum 7+ years of experience in designing and architecting enterprise Active Directory environments.
• Proven experience leading large-scale AD, DNS, and DHCP migration projects.
• Strong PowerShell scripting and automation experience.

Preferred Certifications

• Microsoft Certified: Identity and Access Administrator Associate
• Microsoft Certified: Azure Solutions Architect Expert
• Microsoft Certified: Windows Server Hybrid Administrator Associate