Sr IT Systems Admin - Win / VMWare job in Miami

Windows Infrastructure Management &bull Design, implement, and maintain Windows Server environments (2019, 2022, 2025) &bull Oversee patch management, security hardening, and Gold Standard version compliance initiatives &bull Implement automation solutions using PowerShell and other scripting technologies &bull Monitor system performance and optimize resource utilization

VMware Infrastructure Management &bull Administer VMware vSphere v8+ environments including VxRail, vCenter, ESXi, and vSAN &bull Perform virtual machine lifecycle management, capacity planning, and optimization &bull Execute cluster upgrades and maintenance activities with minimal downtime

Project Leadership & Management &bull Lead end-to-end infrastructure projects including Windows Server upgrades, VMware upgrades, and system migrations across multiple datacenters &bull Develop comprehensive project schedules, timelines, and resource allocation plans &bull Provide regular status updates to stakeholders and executive leadership &bull Coordinate cross-functional teams and manage project dependencies &bull Ensure projects are delivered on time, within scope, and budget

Team Leadership & Task Management &bull Assign and prioritize tasks across team members based on skills and project requirements &bull Mentor junior administrators and provide technical guidance &bull Foster collaboration and knowledge sharing within the team &bull Act as escalation point for complex Windows and VMware technical issues

Operational Excellence &bull Maintain 24/7 system availability through proactive monitoring and maintenance &bull Develop and maintain standard operating procedures and documentation &bull Participate in on-call rotation for after-hours critical system support &bull Ensure compliance with security policies, change management, and regulatory requirements &bull Drive continuous improvement initiatives and best practices adoption

We are seeking a dynamic Senior IT Systems Administrator with expertise in Windows and VMware technologies who can excel in both project leadership and operational excellence.

This role requires a strategic thinker who can drive complex infrastructure projects while maintaining operational stability across multiple datacenters, demonstrating strong organizational skills and effective communication throughout all initiatives., Technical Skills &bull 5+ years of hands-on experience with Windows Server administration &bull 5+ years of VMware vSphere administration experience &bull Proficiency in PowerShell scripting and automation &bull Experience with backup and disaster recovery solutions &bull Knowledge of storage technologies (SAN, NAS, local storage) &bull Familiarity with monitoring tools and performance optimization &bull Demonstrated experience following formal change management practices and procedures

Leadership & Communication &bull Proven track record of leading technical projects from inception to completion &bull Excellent written and verbal communication skills &bull Experience in task delegation and team coordination &bull Ability to translate technical concepts for non-technical stakeholders

Organizational Skills &bull Exceptional project management and organizational abilities &bull Experience with project management methodologies (Agile, ITIL preferred) &bull Proficiency in project management tools (Jira, Change Gear) &bull Strong analytical and problem-solving capabilities &bull Detail-oriented with ability to manage multiple priorities simultaneously, &bull Bachelor’s degree Information Technology, Computer Science, or related field &bull Microsoft certifications (MCSA, MCSE) or equivalent experience &bull VMware certifications (VCP, VCAP) or equivalent experience &bull Experience in regulated industries with compliance requirements &bull Familiarity with NERC CIP regulations and associated compliance obligations

Leadership Competencies &bull Strategic Thinking: Ability to align technical initiatives with business objectives &bull Team Development: Proven ability to mentor and develop technical talent &bull Change Management: Experience leading organizational and technical change initiatives &bull Risk Management: Capability to identify, assess, and mitigate technical risks &bull Stakeholder Management: Strong relationship-building skills across all organizational levels