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Thrive logo
Thrive

NextGen Technology Services

Senior Systems Administrator

System AdministratorSystem AdministratorFull TimeRemoteSeniorTeam 201-500H1B SponsorCompany SiteLinkedIn

Location

United States

Posted

40 days ago

Salary

$100K - $115K / year

Seniority

Senior

7 yrs expEnglishAzureCloud

Job Description

Senior Systems Administrator

Thrive

• 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.

Job Requirements

  • 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

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

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