We are seeking an experienced Senior Server Administrator with strong expertise in Server Administration, Active Directory (AD), and on-premises Microsoft Exchange. The ideal candidate will have 510 years of experience managing enterprise server environments with a focus on stability, security, and performance. Experience with ADFS, PowerShell, and cloud platforms (AWS, Azure, GCP) is a strong advantage.
Responsibilities
Must-Have Skills
Active Directory (Mid-Level)
- Design, implement, and administer AD forests, domains, sites, and services.
- Create and manage AD Sites and Services, including new site/subnet configurations.
- Manage GPOs, OU structure, DNS/DHCP integration, replication, and AD health.
- Configure DHCP failover and create DHCP scopes.
- Configure and troubleshoot DFS and Start Menu redirection.
Server & Infrastructure Operations (Expert-Level)
- Perform server administration, OS installations, patching, and vulnerability remediation.
- Troubleshoot OS and application issues.
- Manage patching, performance monitoring, and server hardening.
- Oversee backups, disaster recovery drills, and incident response.
- Ensure compliance with IT security policies and industry standards.
Nice to Have
Exchange / M365 Administration
- Manage, configure, and maintain Exchange / M365 Environment.
- Handle mailbox provisioning, transport rules, mail flow and troubleshooting.
- Ensure high availability, backup, DR, and migration readiness.
Additional Skills
- Cloud platform knowledge (AWS, Azure).
- PowerShell scripting experience.
- ADFS / Authentication
- Configure and maintain ADFS and SSO solutions.
- Troubleshoot identity federation and cloud integration scenarios.
Qualifications
- 510 years of experience in enterprise server administration.
- Strong technical expertise in:
- Active Directory (Sites & Services, FSMO roles, DNS, DHCP, GPOs)
- Server & Infrastructure Operations (installation, troubleshooting, patching)
- Exchange Server / M365 Administration.
- Good understanding of authentication and federation (ADFS, SSO, PKI).
- Excellent troubleshooting, analytical, communication, and documentation skills.
