IT Systems Administrator

Job Title: IT Systems Administrator Level 3 (Senior)
Job Location: LFO FL
Job Type: Long-term Contract

Senior Systems Administrator Enterprise Infrastructure & Cloud Services

Position Overview

We are seeking an experienced Senior Systems Administrator with deep expertise in hybrid cloud environments enterprise directory services and virtualized infrastructure. This role requires a technical professional who can manage complex systems across on-premises and cloud platforms while maintaining optimal performance security and reliability.

Key Responsibilities

Azure & Cloud Enterprise Services

• Administer Azure Enterprise Applications including SSO configuration 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 solutions 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 ensuring reliable name resolution across hybrid environments
• Configure and maintain DHCP services including scope management reservations and failover clustering
• Implement directory synchronization between on-premises AD and Azure AD environments

Virtualization & Infrastructure Management

• Design and manage virtualized infrastructure including VMware vSphere Hyper-V or similar platforms
• Optimize virtual machine performance resource allocation and capacity planning
• Implement high availability and disaster recovery solutions for virtualized environments

AWS Cloud Operations

• Manage AWS EC2 instances S3 storage VPC networking and security groups
• Support hybrid connectivity between on-premises and AWS environments

PowerShell Scripting & Automation

• Develop PowerShell scripts for system automation reporting and administrative tasks
• Create Azure PowerShell and AWS PowerShell modules for cloud resource management

System Administration Excellence

• Monitor system performance troubleshoot complex technical issues and implement proactive solutions
• Maintain comprehensive documentation and follow established change management processes
• Collaborate with application teams while ensuring proper security protocols and governance

Required Qualifications

• Bachelors degree in Information Technology Computer Science or related field
• 5 years of hands-on experience with Azure administration and Azure Enterprise Applications
• Strong expertise in Active Directory DNS and DHCP management
• Proficient in virtualization technologies and backup solution administration
• Experience with AWS services and PowerShell scripting
• Excellent problem-solving abilities and communication skills
• Demonstrated organizational skills and punctual completion of administrative tasks
• Proven track record of meeting performance objectives

Preferred Certifications

• Microsoft Certified: Azure Administrator Associate
• Microsoft Certified: Identity and Access Administrator Associate
• VMware Certified Professional (VCP) or similar virtualization certification
• AWS Certified Solutions Architect or SysOps Administrator

Technical Skills Required

• Advanced Active Directory and DNS
• Advanced PowerShell scripting and automation
• Backup and disaster recovery planning and implementation
• Change management and ITIL framework knowledge
• Performance monitoring and capacity planning