Demo

Senior System Administrator

Stelvio Inc.
Grapevine, TX Full Time
POSTED ON 4/8/2026
AVAILABLE BEFORE 5/6/2026

Stelvio is seeking a mid-to-senior level Infrastructure Security Engineer / Systems Administrator with strong hands-on experience in enterprise environments.


This role is ideal for someone with a solid foundation in infrastructure and cybersecurity, who is comfortable owning patch management, vulnerability remediation, and production system support.


You will act as a key bridge between Infrastructure and Information Security, helping ensure systems are secure, stable, and compliant.


🏒 Work Environment

  • Hybrid working model (on-site presence required)
  • Participation in after-hours maintenance windows
  • Flexibility provided when working outside standard hours


🌍 Environment Overview

  • Primarily on-premise infrastructure across North America
  • Additional cloud presence (Azure / AWS) in global regions
  • Focus on maintaining and securing existing production environments, not greenfield builds


🎯 Key Responsibilities

πŸ”§ Patching & Vulnerability Management (Core Focus)

  • Own and execute server patching cycles, including critical updates and security patches
  • Lead vulnerability remediation efforts, including assessment, prioritization, and resolution
  • Respond to urgent security vulnerabilities (CVEs) and coordinate remediation activities
  • Validate patch success and ensure systems remain stable post-deployment


πŸ–₯️ Infrastructure Support

  • Maintain and support production systems and enterprise infrastructure
  • Troubleshoot system issues and perform root cause analysis
  • Ensure high system availability and performance


πŸ” Security & Compliance

  • Implement and maintain secure configurations and system hardening practices
  • Support security initiatives and tool deployments
  • Maintain audit-ready documentation and remediation tracking
  • Collaborate with security teams on vulnerability management and incident response


πŸ”„ Operational Support

  • Participate in change management and maintenance activities
  • Support incident response and post-incident reviews
  • Assist with ongoing improvements to patching and remediation processes


πŸ“Š Project & Collaboration

  • Contribute to security and infrastructure-related projects
  • Coordinate across teams to support remediation and deployment efforts
  • Provide documentation and support for operational and compliance processes


🧠 Required Skills & Experience

βœ… Must Have

  • 5–7 years of experience in systems administration or infrastructure engineering
  • Strong experience with:
  • Windows Server administration
  • Patch management and update processes
  • Vulnerability remediation workflows
  • Experience supporting production environments
  • Strong troubleshooting and problem-solving skills


βš™οΈ Preferred

  • Experience with:
  • Linux systems (e.g., Red Hat or similar)
  • Enterprise vulnerability management or security tools
  • Scripting (PowerShell, Bash, or similar)
  • Familiarity with:
  • Security frameworks (e.g., NIST, ISO 27001)
  • Enterprise infrastructure environments (on-prem cloud)


🧩 Key Traits

  • Hands-on, practical, and solution-oriented
  • Strong sense of ownership and accountability
  • Able to work independently in high-impact production environments
  • Clear communicator who can collaborate across teams
  • Comfortable working under pressure and managing multiple priorities


πŸ’° Compensation & Benefits

  • Base salary up to $140,000
  • Bonus potential (approx. 5%–15%)
  • Comprehensive benefits package including:
  • Medical, dental, and vision
  • Retirement plan with company match
  • Additional employee benefits

Salary : $120,000 - $140,000

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