Senior Systems Administrator

We are seeking an experienced Senior Systems Administrator with strong expertise in enterprise storage, backup solutions, virtualization platforms, and Windows-based infrastructure. This role is responsible for designing, managing, optimizing, and supporting mission-critical IT systems in a highly available environment.

This position requires both hands-on technical expertise and the ability to work across teams to support infrastructure planning, implementation, and operations. Occasional after-hours support is required for maintenance and incident response.

• Manage and maintain on-premises storage and data protection platforms, including enterprise storage arrays and modern backup solutions.
• Oversee daily backup operations and ensure successful completion of scheduled jobs.
• Perform routine test restores to validate data recoverability across multiple data types.
• Monitor system health, utilization, and performance; implement improvements as needed.
• Maintain current firmware and patch levels to ensure optimal system functionality.
• Optimize storage architecture to support virtualized environments.
• Track and validate replication processes to support business continuity and disaster recovery objectives.
• Develop and enforce standard operating procedures related to storage and backup management.
• Collaborate with database teams to ensure proper protection of critical systems.
• Identify opportunities for automation and efficiency improvements.
• Lead and execute infrastructure-related projects, ensuring timely and budget-conscious delivery.
• Coordinate with vendors to evaluate products, troubleshoot issues, and implement solutions.

• Administer and maintain multiple enterprise virtualization environments.
• Monitor system performance and implement enhancements to improve efficiency and availability.
• Maintain hypervisor and management platforms with current updates and patches.
• Design and optimize host clusters for performance, scalability, and resilience.
• Support hardware lifecycle activities including system expansion and refresh efforts.
• Develop strategies for resource allocation and capacity planning to prevent performance bottlenecks.
• Perform system upgrades, migrations, and infrastructure modernization initiatives.
• Implement security best practices to protect virtual infrastructure.
• Document standards and procedures related to virtualization environments.

• Support and maintain complex Active Directory environments across multiple domains.
• Monitor directory services health and performance, implementing improvements where needed.
• Assist with identity and access management including user, group, and policy administration.
• Support core services such as DNS and DHCP.
• Contribute to the development and maintenance of Group Policy Objects (GPOs) to ensure security and consistency across systems.

• Bachelor's degree with 10+ years of relevant experience, or Master's degree with 7+ years of experience
• Strong hands-on experience with:
  
  
  
  • Enterprise storage platforms
  • Backup and recovery technologies
  • Virtualization platforms (e.g., VMware environments)
  • Windows Server infrastructure and Active Directory
  
  
  
  
• Experience managing highly available, private cloud or virtualized environments
• Knowledge of enterprise server hardware platforms
• Experience designing and maintaining large-scale virtual infrastructure environments
• Scripting experience (e.g., PowerShell or similar tools) for automation and efficiency
• Strong troubleshooting and analytical skills
• Ability to manage multiple priorities and deliver results within deadlines
• Excellent written and verbal communication skills
• Demonstrated ability to work independently and lead technical initiatives

• Industry certifications in storage, virtualization, backup technologies, or Microsoft platforms
• IT service management certifications (e.g., ITIL)