Senior Systems Administrator

Thrive

Senior Systems Administrator providing remote support and troubleshooting across diverse, multi-tenant environments. Handling escalated incidents and complex service requests for a technology company.

Posted 4/25/2026full-timeRemote • 🇺🇸 United StatesSenior💰 $100,000 - $115,000 per yearWebsite

Tech Stack

Tools & technologies

AzureCloud

About the role

Key responsibilities & impact

Take technical ownership of assigned clients, including escalated issues, ensuring resolution of infrastructure- and business-critical problems.
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.
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.

Requirements

What you’ll need

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.

Benefits

Comp & perks

Competitive salaries that reflect the value and skills each team member brings to our organization.

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

troubleshootingroot cause analysisautomationnetworkingcloudsecurityidentity managementdisaster recoveryperformance optimizationdocumentation

Soft Skills

leadershipcommunicationtime managementcustomer servicementoringcollaborationproblem-solvingprocess improvementtrainingindependence