Senior Systems Administrator

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)
"*** is an Equal Employment Opportunity employer. We promote and support a diverse workforce at all levels of the company. All qualified applicants will receive consideration for employment without regard to race, religion, color, sex, age, national origin or disability. All applicants will be evaluated solely on the basis of their ability, competence, and performance of the essential functions of their positions with or without reasonable accommodations. Reasonable accommodations also are available in the hiring process for applicants with disabilities.
Candidates can request a reasonable accommodation by contacting the company ADA Coordinator at
*** ."