Senior Systems Administrator

3 days ago

Houston, Texas, United States American IT Systems Full-time $60 - $62 Permanent

Position: Senior Systems Administrator

Location: Houston, Texas

We are looking for a Senior Systems Administrator with architect-level expertise to lead website consolidation efforts, oversee infrastructure monitoring, and drive resolution of application and server-level issues. The ideal candidate brings deep hands-on experience in Windows-based environments with strong exposure to .NET application landscapes.

Key Responsibilities

  • Lead and execute website consolidation initiatives, including assessment, migration planning, and execution
  • Architect and maintain IIS (Internet Information Services) configurations across environments
  • Monitor infrastructure health and proactively identify, troubleshoot, and resolve issues
  • Manage and optimize Windows Server environments (2016/2019/2022)
  • Collaborate with application teams on .NET application deployments, configurations, and performance tuning
  • Define and enforce standards for server hardening, patching, and change management
  • Document current-state application landscape and drive future-state architecture decisions

Required Skills

  • 8+ years in Systems Administration with architect-level ownership
  • Strong expertise in Windows Server, IIS, and Active Directory
  • Hands-on experience with .NET application infrastructure and deployment pipelines
  • Proven experience in website/application consolidation projects
  • Infrastructure monitoring tools (e.g., SolarWinds, Dynatrace, or equivalent)
  • Scripting proficiency — PowerShell preferred

Preferred

  • Experience with load balancing, SSL certificate management, and DNS
  • Familiarity with CI/CD pipelines and DevOps practices
  • Cloud exposure (Azure preferred, given .NET ecosystem alignment)