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Salary
$50k – $64k per year
Location
In office (Melbourne)
Seniority
Middle · 2+ years exp
Visa
H-1B filings in 12 months: 2
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 28, 2026. First seen by Alion on Oct 27, 2026. CesiumAstro scores A on the Alion truth index.

Overview
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CesiumAstro is an American company founded in Austin in 2017 that builds active phased array communications payloads for satellites, aircraft and defence platforms. Its systems are software-defined and electronically steered, which lets a moving platform track several links at once without mechanical antennas, and the company manufactures them in house rather than integrating third-party subsystems. It sells mainly to defence customers and satellite operators, has raised venture funding from investors including Airbus Ventures and Lightspeed, and operates facilities in Austin, Colorado and the United Kingdom.

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. Learn more about our company at http://www.cesiumastro.com.

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 Florida 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

  • Minimum of 2 years of experience in corporate information technology.
  • Bachelor’s degree in Management Information Systems (MIS), Information Technology, or a related field.
  • 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).
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