IT Systems Administrator II — Windows/Linux, AD, VMs, Stock Options

CesiumAstro; Denver (CO); On-site; USD 34,440 - 48,216; Full time

Benefits offered by this job

Stock options

Health, dental, vision

HSA / FSA

Retirement plans

Job summary

CesiumAstro is seeking an Information Technology (IT) Systems Administrator II to be the face of IT for our Colorado office. You will onboard new hires, support engineers, manage systems, licensing, and compliance, and help implement IT processes across Windows and Linux environments.

The ideal candidate is highly organized, a clear communicator, a team player, and eager to learn, with hands‑on experience in virtualization, AD, and cross‑platform system administration.

Qualifications

• 1-3 years of IT experience in a corporate setting.
• Associate degree or formal training or certification required.
• Extensive experience with the administration of both Windows and Linux systems.
• Good base knowledge of networking.
• Strong oral and written communication skills.
• Solid troubleshooting and problem‑solving skills.
• Proficiency with Ubuntu, Windows 11, Windows Server 2019 & 2022, VMware ESXi, Microsoft 365, SharePoint, WSL, and Active Directory.
• Experience with automated management tools.

Responsibilities

• Build, deploy, and administer Windows and Ubuntu desktops, laptops, servers, and lab systems, including virtual machines.
• Support Windows and Linux machines in an Active Directory environment.
• Manage network and online file storage.
• Respond to issues in a timely manner via our ticketing system.
• Maintain hardware, software, and licensing inventory and baselines.
• Configure and maintain conferencing A/V setups and digital signage.
• Keep documentation up to date.
• Identify software and infrastructure needs and suggest solutions.

Skills

Windows admin

Linux admin

Networking basics

Excellent communication

Documentation

Active Directory

Education

Associate degree

Tools

VMware ESXi

Microsoft 365

SharePoint

WSL

Ubuntu

Windows 11

Windows Server 2019/2022

Job description

CesiumAstro is seeking an Information Technology (IT) Systems Administrator II to be the face of IT for our Colorado office. You will onboard new hires, support engineers, manage systems, licensing, and compliance, and help implement IT processes across Windows and Linux environments.

The ideal candidate is highly organized, a clear communicator, a team player, and eager to learn, with hands‑on experience in virtualization, AD, and cross‑platform system administration.