Junior Systems Administrator (TS/SCI) - Windows & Linux

Telemetry Today LLC; Costa Mesa (CA); On-site; USD 95,000 - 125,000; Full time

Job summary

Anduril Industries is seeking a Junior Systems Administrator to provide hands-on IT and systems support in secure enterprise environments. This role focuses on maintaining Windows and Linux workstations, hardware, applications, and basic network connectivity while following established security requirements.

You will work with experienced systems professionals to troubleshoot issues, document resolutions, and follow procedures, ensuring smooth operations in a high‑assurance, DoD‑aligned setting.

Qualifications

• Active TS/SCI security clearance.
• Active CompTIA Security+ certification or higher DoD 8140/8570-aligned certification.
• Foundational knowledge of Windows desktop operating systems and troubleshooting.
• Basic Linux command-line and troubleshooting experience.
• Understanding of TCP/IP, DNS, DHCP, IP addressing, and basic network troubleshooting.
• Experience troubleshooting computer hardware, peripherals, and software.
• Familiarity with command-line troubleshooting tools and/or basic PowerShell or Bash.
• Understanding of enterprise authentication and domain-connected systems.
• Ability to follow technical documentation and established procedures while recognizing when escalation is appropriate.
• Strong troubleshooting, documentation, communication, and customer-service skills.
• Ability to work effectively in a controlled, security-focused technical environment.

Responsibilities

• Provide Tier 1 technical support for workstation, hardware, application, authentication, and connectivity issues.
• Install, configure, troubleshoot, and maintain Windows and Linux workstations and peripherals.
• Perform basic systems administration using established procedures and baselines.
• Troubleshoot network connectivity including TCP/IP, DNS, DHCP.
• Install and support approved business and engineering applications.
• Document work and resolutions in ticketing systems.
• Follow security procedures and change-management processes.
• Collaborate with Systems Administrators, Engineers, and Cybersecurity teams.

Skills

Security clearance TS/SCI

Security+ or DoD 8140/8570 cert

Windows troubleshooting

Linux command-line

TCP/IP networking basics

Hardware/software troubleshooting

Documentation and communication

Security-focused environment

Tools

PowerShell

Bash

Active Directory

VMware/Hyper‑V

MATLAB familiarity

Ticketing systems

Job description

Anduril Industries is seeking a Junior Systems Administrator to provide hands-on IT and systems support in secure enterprise environments. This role focuses on maintaining Windows and Linux workstations, hardware, applications, and basic network connectivity while following established security requirements.

You will work with experienced systems professionals to troubleshoot issues, document resolutions, and follow procedures, ensuring smooth operations in a high‑assurance, DoD‑aligned setting.