Senior Systems Administrator, Thrive

• 7+ years in IT operations/engineering with MSP or large enterprise experience
• Expertise in identity, networking, cloud, security, and automation
• Deep experience with Windows Server, Active Directory, Azure AD/Entra, Exchange/M365 admin, Intune, and Virtualization
• Proven leadership in major incidents and complex transformations
• Strong documentation and stakeholder communication; executive-ready briefings
• Excellent written and verbal communication, documentation, and time-management skills
• Ability to work independently and collaboratively in a team environment
• Availability to work after hours and participate in on-call rotations as required
• Excellent customer service skills
• Optional Qualifications:
• Willingness to visit nearby client sites when necessary, with the understanding that on-site visits may not always be required

Desirable

• Senior Systems Administrators provide remote support across diverse, multi-tenant environments, handling escalated incidents and complex service requests
• The role involves advanced troubleshooting, implementing changes, coordinating with other teams, and serving as an escalation point for engineers within the team, while maintaining clean client communication
• Thrive seeks technically proficient professionals with strong verbal and written skills, a desire to learn across all aspects of IT, and the ability to thrive in a fast-paced, collaborative environment with broad technical exposure and opportunities for growth
• Take technical ownership of assigned clients, including escalated issues, ensuring resolution of infrastructure- and business-critical problems, often coordinating with clients and their vendors
• Perform advanced support and troubleshooting for escalated incidents, including network, server, cloud, business application, and workstation issues
• Evaluate client infrastructure, systems, software, and processes to identify deficiencies and recommend improvements or projects to meet client needs
• Lead major incident outages, conduct post-incident reviews, and drive corrective actions, including root cause analysis and documentation
• Identify systemic and pervasive issues, perform trend analysis, and implement permanent solutions to prevent future problems
• Design and validate multi-tenant solutions, including identity management, networking, security, disaster recovery, zero trust, hybrid AD/Entra, Intune baselines, conditional access, identity governance, complex networking/firewall policies, SASE/SWG, and SIEM integrations
• Benchmark, tune, and optimize systems for performance, capacity, and scalability
• Create and maintain documentation, network diagrams, change control approvals, and knowledge base content; write and review changes for complex tasks following established processes and industry best practices
• Develop and maintain automation and operational tools, including PowerShell modules, RMM policies, deployment pipelines, compliance checks, and monitoring improvements
• Deliver training, mentor junior engineers, and contribute to team readiness and process improvement initiatives