Systems Administrator

About The Role

We are looking for a Systems Administrator to independently support and administer Windows and Linux systems within secure enterprise environments. This role is responsible for day-to-day system operations, advanced end-user support, troubleshooting issues beyond documented Tier 1 procedures, maintaining approved configurations, and owning technical issues through resolution or appropriate escalation.

Key Responsibilities

• Administer, configure, troubleshoot, and maintain Windows and Linux workstations and systems.
• Independently diagnose and resolve hardware, operating system, application, authentication, and network connectivity issues.
• Perform user, group, permission, service, file-system, and enterprise authentication administration using approved processes.
• Support domain-connected Windows and Linux systems, including troubleshooting domain membership and authentication issues.
• Support workstation provisioning, system deployments, patching, upgrades, approved software installations, and configuration changes.
• Troubleshoot TCP/IP, DNS, DHCP, routing/connectivity, and physical network issues and determine when escalation to network engineering is required.
• Use system logs, Event Viewer, command-line tools, PowerShell and/or Bash to investigate and resolve technical issues.
• Support virtualization environments and virtual machines within established architecture and procedures.
• Create, maintain, and improve SOPs, technical documentation, and repeatable administrative processes.
• Evaluate operational and security impact before making changes and follow approved change-management and configuration-control processes.
• Partner with Cybersecurity, Engineers, and other technical teams to resolve complex issues and maintain secure system operations.
• Provide technical guidance and support to Junior Systems Administrators as needed.

Requirements & Tech Stack

• Active TS/SCI security clearance.
• Active CompTIA Security+ certification or higher DoD 8140/8570-aligned certification.
• Working knowledge of Windows system administration and troubleshooting.
• Working knowledge of Linux administration, command-line tools, permissions, services, and troubleshooting.
• Experience with Active Directory or comparable centralized identity and authentication services.
• Understanding of TCP/IP, DNS, DHCP, IP addressing, subnetting, and network troubleshooting.
• Experience independently troubleshooting systems using logs, diagnostic tools, and technical documentation.
• Familiarity with PowerShell, Bash, or similar administrative scripting.
• Ability to work independently within established security requirements, SOPs, and configuration baselines.
• Strong documentation, communication, troubleshooting, and customer-service skills.

Preferred Qualifications

• Experience with VMware, Hyper-V, or similar virtualization technologies.
• Experience supporting engineering, manufacturing, or specialized technical applications.
• Experience in DoD, government, classified, or other regulated computing environments.
• Additional Microsoft, Linux, VMware, networking, or security certifications.

US Salary Range: $117,000—$154,000 USD

Benefits include highly competitive equity grants and top-tier benefits for full-time employees.