Job Title: System Administrator

Job Location: Miami Gardens, FL

Job Type: Long Term Contract

Job Description

Position Overview

We are seeking a highly skilled Senior Systems Administrator with expertise in hybrid cloud environments, enterprise directory services, and virtualized infrastructure. The ideal candidate will manage complex systems across on-premises and cloud platforms, ensuring optimal performance, security, and reliability. This role requires hands-on experience with Azure, AWS, Active Directory, virtualization technologies, and automation.

Key Responsibilities

• Azure & Cloud Enterprise Services
• Administer Azure Enterprise Applications including SSO, conditional access policies, and application lifecycle management
• Manage Azure Active Directory (Azure AD / Entra ID) for user provisioning, identity governance, and security compliance
• Deploy and optimize Azure virtual machines, storage, and networking infrastructure
• Implement Azure security frameworks and monitor compliance across cloud resources
• Directory Services & Network Infrastructure
• Administer Active Directory Domain Services, including domain controllers, organizational units, and Group Policy management
• Manage DNS infrastructure and DHCP services, ensuring reliability and failover capabilities
• Implement directory synchronization between on-premises AD and Azure AD
• Virtualization & Infrastructure Management
• Design and manage virtualized environments (VMware vSphere, Hyper-V, or equivalent)
• Optimize VM performance, resource allocation, and capacity planning
• Implement high availability and disaster recovery solutions
• AWS Cloud Operations
• Manage AWS EC2, S3, VPC, and security groups
• Support hybrid connectivity between on-premises and AWS environments
• Automation & Scripting
• Develop PowerShell scripts for system automation, reporting, and administration
• Create modules for managing Azure and AWS cloud resources
• System Administration Excellence
• Monitor system performance and troubleshoot complex technical issues
• Maintain documentation and follow change management processes
• Collaborate with application and engineering teams while enforcing security and governance

Required Qualifications

• Bachelor's degree in Information Technology, Computer Science, or related field
• Extensive experience in enterprise systems administration
• Hands-on experience with Azure, AWS, Active Directory, VMware/Hyper-V, DNS, DHCP, and networking
• Strong scripting skills (PowerShell)
• Experience maintaining 24x7 business-critical systems

Preferred Qualifications

• Certifications such as Microsoft Certified: Azure Administrator, AWS Certified Solutions Architect, or VMware VCP
• Experience with hybrid cloud infrastructure and enterprise security frameworks
• Strong troubleshooting, analytical, and communication skills