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Information Technology 🏢 Full Time ⭐️ Verified

Senior System Administrator

CyberSecure Systems
Arlington
Estimated Salary
USD 85.000 – USD 110.000
New
Live Update
16 September 2026
Deadline
16 Sep 2027

Job Description

Join our dynamic IT team as a Senior System Administrator and become the backbone of our infrastructure. We're seeking a proactive professional to maintain, optimize, and secure our hybrid cloud environment across 500+ endpoints. This role offers hybrid work arrangements with 2 days remote weekly and opportunities for professional growth through AWS/Azure certifications. Enjoy competitive benefits including health insurance, 401k matching, and flexible PTO.

Responsibilities

  • Manage and maintain Windows Server 2019/2022 and Linux (Ubuntu/CentOS) environments
  • Implement and monitor cloud infrastructure on AWS/Azure with Terraform
  • Oversee Active Directory, DNS, DHCP, and Group Policy deployment
  • Ensure 99.9% uptime through proactive monitoring (SolarWinds/Nagios)
  • Execute disaster recovery tests and backup strategy optimization
  • Document SOPs and create technical runbooks for team knowledge base

Qualifications

  • 5+ years of Windows/Linux system administration experience
  • Expertise in cloud platforms (AWS/Azure) with hands-on implementation
  • Certifications: CompTIA Server+ or equivalent (AWS/Azure certs preferred)
  • Strong scripting skills (PowerShell/Bash) and automation experience
  • Knowledge of network fundamentals (TCP/IP, VLANs, firewalls)
  • Experience with virtualization (VMware/Hyper-V) and containerization (Docker)
  • Ability to lift up to 30 lbs for hardware maintenance

Required Skills

Windows Server Linux AWS Azure Terraform Active Directory PowerShell Networking Virtualization Cloud Infrastructure

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