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It System Administrator Jobs (NOW HIRING)

CesiumAstro

IT System Administrator II

Melbourne, FL

Learn more about our company at 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 ...

Vast

Senior IT System Administrator

Long Beach, CA · On-site

$107K - $156K/yr

As a Senior IT System Administrator, you will be responsible for the management, support, and enhancement of the IT infrastructure, IT service delivery, and end-user IT experience. This role ensures ...

Magna

IT System Administrator

Lancaster, OH

Analyze, design, evaluate, co-ordinate, implement, manage, and support the day-to-day maintenance of all IT hardware and systems as directed by the leadership team in accordance with departmental ...

DEFCON AI

IT System Administrator (1099 Contract)

As the IT System Administrator, you will own day-to-day administration across our multi-cloud footprint-spanning AWS and Microsoft Azure-as well as our Microsoft 365 collaboration and identity stack.

Amberwell Health

IT System Administrator

Hiawatha, KS · On-site

Maintains system security in accordance with HIPAA and established policies/procedures, through access groups, user groups, and permission restrictions. Sets up and maintains print services, system ...

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All JobsIt System Administrator Jobs

It System Administrator information

See salary details

$37.5K

$81.7K

$115.5K

How much do it system administrator jobs pay per year?

As of Jul 25, 2026, the average yearly pay for it system administrator in the United States is $81,657.00, according to ZipRecruiter salary data. Most workers in this role earn between $67,000.00 and $94,500.00 per year, depending on experience, location, and employer.

What is the difference between It System Administrator vs Network Administrator?

AspectIt System AdministratorNetwork Administrator
CertificationsCompTIA A+, Network+, Microsoft CertifiedCompTIA Network+, Cisco CCNA
Work EnvironmentServers, data centers, enterprise systemsNetwork infrastructure, routers, switches
ResponsibilitiesManaging servers, OS, security, user accountsConfiguring, maintaining, troubleshooting networks
Industry UsageIT departments across various industriesOrganizations with complex network needs

The main difference is that an It System Administrator manages overall IT systems, including servers and security, while a Network Administrator focuses specifically on network infrastructure and connectivity. Both roles require similar certifications and often work together to ensure seamless IT operations.

What are some common challenges IT System Administrators face when managing hybrid cloud and on-premises environments?

IT System Administrators often encounter complexities when overseeing both cloud and on-premises infrastructure. These challenges include ensuring consistent security policies across platforms, managing data backups and disaster recovery, and keeping up with frequent software updates and patches. Additionally, they must troubleshoot connectivity issues and integrate legacy systems with new technologies. Effective communication with other IT teams and end users is critical to resolving issues quickly and maintaining system reliability.

What are the key skills and qualifications needed to thrive as an IT System Administrator, and why are they important?

To thrive as an IT System Administrator, you need strong problem-solving abilities, knowledge of networking, operating systems, and security protocols, often backed by a degree in computer science or related field. Familiarity with tools like Windows/Linux servers, Active Directory, virtualization platforms, and certifications such as CompTIA Network+ or Microsoft Certified: Azure Administrator are typical requirements. Excellent communication, attention to detail, and the ability to manage time effectively help IT System Administrators excel in troubleshooting and supporting users. These skills ensure reliable system performance, quick resolution of technical issues, and secure, efficient IT operations.

What are IT System Administrators?

IT System Administrators are professionals responsible for managing, maintaining, and supporting an organization’s computer systems, servers, and networks. They install and configure hardware and software, ensure security and data integrity, and troubleshoot any issues that arise. Their role is crucial in ensuring that technology infrastructure runs smoothly and efficiently, minimizing downtime and supporting users. System Administrators also perform regular backups, monitor system performance, and implement updates or patches as needed.
More about It System Administrator jobs
What cities are hiring for It System Administrator jobs? Cities with the most It System Administrator job openings:
What are the most commonly searched types of It System Administrator jobs? The most popular types of It System Administrator jobs are:
What states have the most It System Administrator jobs? States with the most job openings for It System Administrator jobs include:
What are popular job titles related to It System Administrator jobs? For It System Administrator jobs, the most frequently searched job titles are:
It System Administrator jobs near you
Infographic showing various It System Administrator job openings in the United States as of July 2026, with employment types broken down into 1% As Needed, 86% Full Time, 10% Part Time, 1% Temporary, and 2% Contract. Highlights an 94% Physical, 2% Hybrid, and 4% Remote job distribution, with an average salary of $81,657 per year, or $39.3 per hour.
IT System Administrator II

IT System Administrator II

CesiumAstro

Melbourne, FL

Full-time

Medical, Dental, Vision, Life, Retirement

Posted 16 days ago

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.

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).
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.
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