Senior System Administrator

📋 Description

• Administer Microsoft infrastructure: AD, DNS, DHCP, PKI, and GPO
• Manage access platforms, monitoring, backups, and cloud services
• Maintain VDI and terminal server environments
• Resolve incidents and requests per SLAs; participate in on-call
• Modernize infrastructure: domain migrations, VDI transitions, upgrades
• Design implementation plans, test environments, pilots for changes

🎯 Requirements

• Bachelor’s degree in Computer Science, IT, or related field
• 5+ years in Microsoft and VDI infrastructure
• AD domain/forest migrations with minimal disruption
• Expertise in AD: domains, forests, trusts, replication, FSMO, GPO, Kerberos
• DNS, PKI, certificate lifecycle, TLS implementation
• VDI/remote access platforms (Citrix or similar)

🎁 Benefits

• Fully remote full-time opportunity
• 28 calendar days of paid vacation per year
• 7 wellness days annually
• Referral bonuses up to $5,000
• 50% reimbursement for training and conferences
• Health benefits and medical expense support