Senior Active Directory Engineer
Benefits:
- 401(k)
- Competitive salary
Job Description
We are seeking a Senior Active Directory Engineer with 10+ years of enterprise experience to support critical Directory Services initiatives for 2026. This is a hands‑on engineering role focused on Active Directory architecture, PKI/certificate automation, PowerShell scripting, and greenfield AD builds, including OT environments. Responsibilities- Design, build, and support enterprise Active Directory environments
- Perform greenfield AD forest and domain builds
- Implement and manage PKI and certificate lifecycle automation
- Troubleshoot complex issues across AD, DNS, GPO, and authentication
- Automate AD and server operations using PowerShell
- Support Windows Server 2016/2022/2025 environments
- Apply Microsoft tiered security models (Tier 0/1/2)
- Ensure compliance with security and regulatory standards
Required Skills & Experience
Active Directory (Expert Level)- 10+ years of enterprise Active Directory experience
- AD DS design, deployment, and troubleshooting
- Domain controller build, promotion/demotion
- FSMO roles, SYSVOL, DFS‑R
- AD Sites & Services
- Replication tools: repadmin, dcdiag
- Authentication: LDAP, Kerberos
- AD‑integrated DNS
- SRV records and zone configuration
- DNS troubleshooting and security best practices
- GPO design, creation, optimization, and troubleshooting
- Windows Server 2016, 2022, 2025
- Server hardening and security baseline configuration
- Microsoft AD Certificate Services (ADCS)
- Certificate templates and auto‑enrollment
- TLS/SSL certificate lifecycle management
- Certificate renewal automation
- Experience with Sectigo Certificate Manager or similar PKI tools
- Advanced PowerShell scripting for AD and server administration
- Building AD forests/domains from scratch
- OU design and delegation models
- Microsoft tiered security model (Tier 0 / Tier 1 / Tier 2)
- Credential hygiene and privileged access management
- Experience working in regulated environments (GxP preferred)
- Hands‑on experience with Sectigo Certificate Manager
- Exposure to OT (Operational Technology) Active Directory
- Background in Pharma, Life Sciences, or other regulated industries
This is a remote position.
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