Information Technology (IT) Systems Administrator II

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

Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State.

At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward‑thinking individuals to join our team.

We are looking to add an Information Technology (IT) Systems Administrator II to our team. In this position, you will be the face of the IT department for our Colorado office. You will interact with staff of all levels, from onboarding new hires to assisting seasoned engineers. Responsible for IT systems, including hardware management, user support, administration, software licensing, compliance with federal standards, and implementing IT processes and procedures. Daily responsibilities include upgrading and maintaining data management systems, choosing computers and hardware upgrades, setting up new users, maintaining the local servers, and assisting users with IT tasks and issues. The ideal candidate is extremely organized, articulate, flexible, quick to grasp business needs, a team player, an excellent written and oral communicator, and eager to learn.

Job Duties and 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.

Job Requirements and Minimum Qualifications

• 1-3 years of experience in corporate information technology.
• Associate degree or formal occupational 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.
• Strong customer service orientation.
• Proficiency with Ubuntu, Windows 11, Windows Server 2019 & 2022, VMware ESXi, Microsoft 365, SharePoint, WSL, and Active Directory.
• Experience with automated management tools.

Preferred Experience

• Implementing government standards and requirements for IT systems (e.g., NIST 800‑171, ITAR/EAR).
• IT‑related certifications, such as CompTIA A+ or Security+.

$25 - $35 an hour

CesiumAstro considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate’s work experience, education/training, and key skills. Full‑time employment offers include company stock options and a generous benefits package including health, dental, vision, HSA, FSA, life, disability and retirement plans.

CesiumAstro is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law.

Please note: CesiumAstro does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to CesiumAstro team members will be considered property of CesiumAstro, and we will not be obligated to pay any referral fees.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.