Senior IT Systems Administrator – Windows & VMware
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.
Key Responsibilities
Windows Infrastructure Management
- 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 technologiesMonitor system performance and optimize resource utilization
VMware Infrastructure Management
- Administer VMware vSphere v8+ environments including VxRail, vCenter, ESXi, and vSANPerform virtual machine lifecycle management, capacity planning, and optimization
- Execute cluster upgrades and maintenance activities with minimal downtime
Project Leadership & Management
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 plansProvide regular status updates to stakeholders and executive leadership
- Coordinate cross-functional teams and manage project dependenciesEnsure projects are delivered on time, within scope, and budget
Team Leadership & Task Management
- Assign and prioritize tasks across team members based on skills and project requirementsMentor junior administrators and provide technical guidance
- Foster collaboration and knowledge sharing within the teamAct as escalation point for complex Windows and VMware technical issues
Operational Excellence
- Maintain 24/7 system availability through proactive monitoring and maintenanceDevelop and maintain standard operating procedures and documentation
- Participate in on-call rotation for after-hours critical system supportEnsure compliance with security policies, change management, and regulatory requirements
- Drive continuous improvement initiatives and best practices adoption
Required Qualifications
Technical Skills
5+ years of hands-on experience with Windows Server administration - 5+ years of VMware vSphere administration experienceProficiency in PowerShell scripting and automation
- Experience with backup and disaster recovery solutionsKnowledge of storage technologies (SAN, NAS, local storage)
- Familiarity with monitoring tools and performance optimizationDemonstrated experience following formal change management practices and procedures
Leadership & Communication
- Proven track record of leading technical projects from inception to completionExcellent written and verbal communication skills
- Experience in task delegation and team coordinationAbility to translate technical concepts for non-technical stakeholders
Organizational Skills
- Exceptional project management and organizational abilitiesExperience 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
Preferred Qualifications
Bachelor's degree Information Technology, Computer Science, or related field - Microsoft certifications (MCSA, MCSE) or equivalent experienceVMware certifications (VCP, VCAP) or equivalent experience
- Experience in regulated industries with compliance requirementsFamiliarity with NERC CIP regulations and associated compliance obligations
Leadership Competencies
- Strategic Thinking: Ability to align technical initiatives with business objectivesTeam Development: Proven ability to mentor and develop technical talent
- Change Management: Experience leading organizational and technical change initiativesRisk Management: Capability to identify, assess, and mitigate technical risksStakeholder Management: Strong relationship-building skills across all organizational levels
Powered by JazzHR