Sr IT Systems Admin – Windows / VMWare

Key Responsibilities

• Design, implement, and maintain Windows Server environments (2019, 2022, 2025)
• Oversee patch management, security hardening, and Gold Standard version compliance initiatives
• Implement automation solutions using PowerShell and other scripting technologies
• Monitor system performance and optimize resource utilization
• Administer VMware vSphere v8+ environments including VxRail, vCenter, ESXi, and vSAN
• Perform virtual machine lifecycle management, capacity planning, and optimization
• Execute cluster upgrades and maintenance activities with minimal downtime
• Lead end-to-end infrastructure projects including Windows Server upgrades, VMware upgrades, and system migrations across multiple datacenters
• Develop comprehensive project schedules, timelines, and resource allocation plans
• Provide regular status updates to stakeholders and executive leadership
• Career development and mentoring of junior administrators
• Coordinate cross-functional teams and manage project dependencies
• Assign and prioritize tasks across team members based on skills and project requirements
• Ensure projects are delivered on time, within scope, and budget
• Maintain 24/7 system availability through proactive monitoring and maintenance
• Develop and maintain standard operating procedures and documentation
• Participate in on-call rotation for after-hours critical system support
• Ensure compliance with security policies, change management, and regulatory requirements
• Drive continuous improvement initiatives and best practices adoption

Required Qualifications

• 5+ years of hands-on experience with Windows Server administration
• 5+ years of VMware vSphere administration experience
• Proficiency in PowerShell scripting and automation
• Experience with backup and disaster recovery solutions
• Knowledge of storage technologies (SAN, NAS, local storage)
• Familiarity with monitoring tools and performance optimization
• Experience following formal change management practices and procedures
• Proven track record of leading technical projects from inception to completion
• Excellent written and verbal communication skills
• Experience in task delegation and team coordination
• Ability to translate technical concepts for non-technical stakeholders
• Exceptional project management and organizational abilities
• Experience with project management methodologies (Agile, ITIL) preferred
• Proficiency in project management tools (Jira, Change Gear)
• Strong analytical and problem-solving capabilities
• Detail-oriented with ability to manage multiple priorities simultaneously