Senior Directory Infrastructure Engineer (Remote)

📍 Job Overview

• Job Title: Senior Directory Infrastructure Engineer (Remote)
• Company: Serigor Inc.
• Location: Washington, DC
• Job Type: Contract
• Category: IT & Engineering
• Date Posted: 2025-06-18

🚀 Role Summary

• Key Responsibilities:

  • Design, implement, and maintain enterprise directory services infrastructure
  • Manage the complete lifecycle of Active Directory domains
  • Lead domain consolidation, migration, and forest restructuring projects
  • Develop domain health monitoring and proactive maintenance procedures
  • Create and execute disaster recovery plans for directory services
  • Develop and maintain automation scripts using PowerShell for directory management tasks
  • Interface with directory services using GraphAPI and REST API for custom integrations
  • Implement and maintain security best practices for directory services
  • Design and manage trust relationships between domains and forests
  • Create and maintain documentation for directory architecture and operational procedures
  • Provide escalation support for critical directory service incidents

• Preferred Qualifications:

  • Relevant certifications (Microsoft 365 Certified: Identity and Access Administrator, OKTA Professional, etc.)
  • Experience with Terraform, Ansible, or similar IaC tools for directory infrastructure
  • Knowledge of SAML, OAuth, OIDC, and other modern authentication protocols
  • Experience with Group Policy design and management
  • Expertise in domain controller sizing, placement, and performance optimization
  • Experience with domain functional level upgrades and cross-domain migrations
  • Familiarity with CI/CD pipelines for infrastructure automation
  • Experience with implementing Zero Trust architecture

💻 Primary Responsibilities

• Design, Implement, and Maintain Directory Services Infrastructure: The Senior Directory Infrastructure Engineer will be responsible for designing, implementing, and maintaining enterprise directory services infrastructure. This includes managing the complete lifecycle of Active Directory domains, from planning and deployment to maintenance, upgrades, and decommissioning.
• Lead Domain Consolidation and Migration Projects: The role involves leading domain consolidation, migration, and forest restructuring projects. This requires a deep understanding of Active Directory and other directory services, as well as the ability to develop and execute complex migration strategies.
• Develop Domain Health Monitoring and Proactive Maintenance Procedures: The Senior Directory Infrastructure Engineer will be responsible for developing domain health monitoring and proactive maintenance procedures. This includes creating scripts and tools to automate routine tasks and monitor directory services for potential issues.
• Create and Execute Disaster Recovery Plans: The role requires creating and executing disaster recovery plans for directory services. This includes designing and implementing backup and recovery strategies, as well as testing and maintaining disaster recovery solutions.
• Develop Automation Scripts Using PowerShell: The Senior Directory Infrastructure Engineer will be responsible for developing and maintaining automation scripts using PowerShell for directory management tasks. This includes creating scripts to automate routine tasks, such as user provisioning and password resets.
• Interface with Directory Services Using GraphAPI and REST API: The role involves interfacing with directory services using GraphAPI and REST API for custom integrations. This requires a strong understanding of API development and integration, as well as the ability to design and implement custom solutions.
• Implement and Maintain Security Best Practices: The Senior Directory Infrastructure Engineer will be responsible for implementing and maintaining security best practices for directory services. This includes designing and implementing security policies, as well as monitoring and responding to security threats.
• Design and Manage Trust Relationships: The role requires designing and managing trust relationships between domains and forests. This includes creating and maintaining trust relationships, as well as managing trust policies and access control lists.
• Create and Maintain Documentation: The Senior Directory Infrastructure Engineer will be responsible for creating and maintaining documentation for directory architecture and operational procedures. This includes documenting directory services design, configuration, and maintenance processes.
• Provide Escalation Support: The role involves providing escalation support for critical directory service incidents. This requires a deep understanding of directory services and the ability to troubleshoot and resolve complex issues.

🎓 Skills & Qualifications

Education: Bachelor's degree in Computer Science, IT, or a related field.

Experience: 5-10 years of experience in enterprise directory services and Active Directory management.

Required Skills:

• Extensive experience with enterprise directory services (Active Directory, Entra ID, OKTA Universal Directory, LDAP)
• Proven track record in managing complex directory services
• Advanced PowerShell scripting skills with demonstrable experience automating directory management tasks
• Strong understanding of identity security best practices and compliance requirements
• Experience with directory synchronization technologies (Azure AD Connect, OKTA integration agents, etc.)
• Experience with multi-forest and hybrid identity environments
• Ability to design and implement complex directory architecture solutions

Preferred Skills:

• Relevant certifications (Microsoft 365 Certified: Identity and Access Administrator, OKTA Professional, etc.)
• Experience with Terraform, Ansible, or similar IaC tools for directory infrastructure
• Knowledge of SAML, OAuth, OIDC, and other modern authentication protocols
• Experience with Group Policy design and management
• Expertise in domain controller sizing, placement, and performance optimization
• Experience with domain functional level upgrades and cross-domain migrations
• Familiarity with CI/CD pipelines for infrastructure automation
• Experience with implementing Zero Trust architecture

📊 Web Portfolio & Project Requirements

Portfolio Essentials:

• Specific examples of directory services design, implementation, and maintenance projects
• Documentation of complex directory migrations and consolidation projects
• Demonstrations of directory automation scripts and tools
• Evidence of security best practices implementation and monitoring

Technical Documentation:

• Detailed documentation of directory services architecture and configuration
• Step-by-step guides for directory management tasks and procedures
• Code comments and inline documentation for automation scripts and tools

💰 Compensation & Benefits

Salary Range: $120,000 - $160,000 USD per year (based on experience and location)

Benefits:

• Comprehensive health, dental, and vision insurance
• 401(k) retirement plan with company match
• Flexible work schedule and remote work options
• Generous PTO and sick leave policy
• Professional development opportunities and training budget
• Employee referral bonus program

Working Hours: 40 hours per week, with flexible scheduling options

🎯 Team & Company Context

Company Culture:

• Industry: Information Technology and Services
• Company Size: Medium (50-250 employees)
• Founded: 2010
• Team Structure:
  • The Senior Directory Infrastructure Engineer will work within the Security and Engineering team, which manages endpoint management, Active Directory, VPN, firewalls, and security incident response.
  • The team is seeking an experienced Directory Infrastructure Engineer with extensive expertise in enterprise identity infrastructure.

Development Methodology:

• Development Process: The team follows Agile/Scrum methodologies and sprint planning for directory projects.
• Code Review: The team practices code review culture and peer programming for collaborative development and knowledge sharing.
• Deployment Strategies: The team uses deployment automation and CI/CD pipelines for automated deployment and server management.

Company Website: Serigor Inc.

📈 Career & Growth Analysis

Web Technology Career Level: Senior Directory Infrastructure Engineer - Experienced

Reporting Structure: The Senior Directory Infrastructure Engineer will report directly to the Director of Security and Engineering.

Technical Impact: The role involves managing the directory services infrastructure for the entire organization, impacting user access, security, and overall system performance.

Growth Opportunities:

• Technical Growth: The role offers opportunities to gain experience in advanced directory services management, automation, and security best practices.
• Leadership Potential: With experience, the role can lead to technical leadership positions, such as Senior Directory Architect or Directory Services Manager.
• Emerging Technology Adoption: The team encourages continuous learning and adoption of emerging technologies in directory services and identity management.

🌐 Work Environment

Office Type: Remote work with occasional on-site meetings and training sessions.

Office Location(s): Washington, DC

Workspace Context:

• Remote Work: The team provides remote work options with flexible scheduling and virtual collaboration tools.
• Office Location: The company's headquarters are located in Washington, DC, with additional offices in other major cities.

Work Schedule: The team offers flexible working hours with core business hours from 9:00 AM to 5:00 PM EST.

📄 Application & Technical Interview Process

Interview Process:

1. Phone Screen: A brief phone or video call to discuss the role, qualifications, and expectations.
2. Technical Deep Dive: A detailed technical interview focusing on Active Directory, PowerShell scripting, and directory services management.
3. Behavioral Interview: An interview to assess cultural fit, problem-solving skills, and communication abilities.
4. Final Interview: A meeting with the hiring manager and other senior team members to discuss the role, team dynamics, and career growth opportunities.

Portfolio Review Tips:

1. Highlight Relevant Projects: Focus on projects that demonstrate directory services design, implementation, and management skills.
2. Demonstrate Automation Scripts: Showcase PowerShell scripts and other automation tools used for directory management tasks.
3. Explain Security Best Practices: Discuss security best practices implemented in your directory services projects.
4. Emphasize Problem-Solving Skills: Highlight your ability to troubleshoot and resolve complex directory services issues.

Technical Challenge Preparation:

1. Active Directory Fundamentals: Brush up on Active Directory concepts, including domains, forests, trusts, and Group Policy Objects (GPOs).
2. PowerShell Scripting: Practice PowerShell scripting for directory management tasks, such as user provisioning, group management, and OU creation.
3. Directory Services Security: Review identity security best practices, compliance requirements, and common security threats.
4. API Integration: Familiarize yourself with GraphAPI and REST API integration for directory services.

ATS Keywords: Active Directory, Entra ID, OKTA Universal Directory, LDAP, PowerShell, GraphAPI, REST API, Identity Security, Directory Synchronization, Multi-Forest Environments, Disaster Recovery, Domain Lifecycle Management, Automation, Zero Trust Architecture, Group Policy, Terraform

📌 Application Steps

To apply for this Senior Directory Infrastructure Engineer (Remote) position:

1. Submit Your Application: Click on the application link provided in the job listing.
2. Prepare Your Portfolio: Highlight relevant directory services projects, automation scripts, and security best practices implemented in your work.
3. Optimize Your Resume: Tailor your resume to emphasize your directory services management experience, PowerShell scripting skills, and security best practices knowledge.
4. Prepare for Technical Interview: Brush up on Active Directory fundamentals, PowerShell scripting, directory services security, and API integration.
5. Research the Company: Familiarize yourself with Serigor Inc.'s company culture, directory services team structure, and development methodologies.