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System Administrator Jobs in Addison, IL (NOW HIRING)

Coilcraft

IBM iSeries System Administrator

Cary, IL

Our systems support manufacturing, finance, and operations across multiple facilities, and system reliability is critical to our daily business. We are seeking a dependable and detail-oriented IBM ...

Coilcraft

IBM iSeries System Administrator

Cary, IL · On-site

$60K - $100K/yr

Our systems support manufacturing, finance, and operations across multiple facilities, and system reliability is critical to our daily business. We are seeking a dependable and detail-oriented IBM ...

Coilcraft

IBM iSeries System Administrator

Cary, IL · On-site

$60K - $100K/yr

Our systems support manufacturing, finance, and operations across multiple facilities, and system reliability is critical to our daily business. We are seeking a dependable and detail-oriented IBM ...

Sentinel

Linux Systems Administrator

Chicago, IL · On-site

$82K - $110K/yr

This administrator is responsible to install, administer, and support Red Hat Enterprise Linux ... This role is responsible for system availability, performance tuning, automation, patching ...

Sentinel

Linux Systems Administrator

Chicago, IL · On-site +1

$82K - $110K/yr

This administrator is responsible to install, administer, and support Red Hat Enterprise Linux ... This role is responsible for system availability, performance tuning, automation, patching ...

Sentinel

Linux Systems Administrator

Chicago, IL · Hybrid

$82K - $110K/yr

This administrator is responsible to install, administer, and support Red Hat Enterprise Linux ... This role is responsible for system availability, performance tuning, automation, patching ...

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Showing results 41-60

All JobsSystem Administrator JobsSystem Administrator Jobs in Addison, IL

System Administrator information

See Addison, IL salary details

$41.1K

$89.1K

$137.8K

How much do system administrator jobs pay per year?

As of Aug 17, 2026, the average yearly pay for system administrator in Addison, IL is $89,093.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,100.00 and $104,200.00 per year, depending on experience, location, and employer.

What is a system administrator?

System Administrators, often called sysadmins, are IT professionals responsible for installing, configuring, maintaining, and supporting computer systems and servers within an organization. They ensure that networks and systems run efficiently and securely, manage user accounts, oversee backups, and troubleshoot hardware and software issues. System Administrators play a key role in maintaining system uptime, implementing security protocols, and updating systems to prevent vulnerabilities. Their work is critical for the smooth and secure operation of a company's IT infrastructure.

What is the difference between System Administrator vs Network Administrator?

AspectSystem AdministratorNetwork Administrator
CertificationsCompTIA Server+, Microsoft Certified: Windows Server FundamentalsCompTIA Network+, Cisco CCNA
Work EnvironmentManage servers, operating systems, and internal IT infrastructureFocus on network hardware, configurations, and connectivity
ResponsibilitiesMaintain servers, troubleshoot OS issues, manage backupsConfigure routers/switches, monitor network performance, ensure security

While both roles support IT infrastructure, System Administrators primarily manage servers and operating systems, whereas Network Administrators focus on network hardware and connectivity. They often collaborate but have distinct technical focuses within an organization.

What are some common challenges system administrators face when managing a large IT infrastructure, and how can these be addressed?

System Administrators often encounter challenges such as ensuring system security, managing software updates across numerous devices, and troubleshooting network issues in large-scale environments. Keeping up with rapidly evolving technology and balancing routine maintenance with unexpected incidents can be demanding. Effective solutions include automating repetitive tasks, implementing robust monitoring tools, and regularly communicating with other IT team members to proactively address potential problems. Continuous learning and staying current with best practices in cybersecurity and system management are also essential for long-term success in this role.

What are the key skills and qualifications needed to thrive as a system administrator, and why are they important?

To thrive as a System Administrator, you need a solid understanding of computer networks, operating systems (Windows, Linux), and troubleshooting, often backed by a degree in IT or related certifications like CompTIA Network+ or Microsoft Certified: Azure Administrator Associate. Familiarity with tools such as Active Directory, virtualization platforms, backup solutions, and monitoring systems is typically required. Strong problem-solving, attention to detail, and effective communication skills help you manage incidents and work with diverse teams. These abilities ensure reliable system performance, minimize downtime, and support seamless business operations.

What does a system administrator do?

The job of a System Administrator is to assume a range of IT responsibilities and technical services for your company’s internet and intranet presence. This will include such duties as installing anti-virus and malware protection software, undertaking regular systems maintenance, and troubleshooting problems. Additional duties can include serving as a digital technology information resource for employees and consulting with company leaders on the possible adoption of new technologies. Aside from this, you might be asked to evaluate and boost network system performance, make needed upgrades and repairs, and add approved users to the network and train them in proper usage.
More about System Administrator jobs

What cities near Addison, IL are hiring for System Administrator jobs?

Cities near Addison, IL with the most System Administrator job openings:

System Administrator jobs near you
Infographic showing various System Administrator job openings in Addison, IL as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 14% Part Time, and 3% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $89,093 per year, or $42.8 per hour.

AIX Administrator

Ruri Software Technologies LLC

Oak Brook, IL • On-site

Full-time

Re-posted 29 days ago

Job description

Job Title: AIX Administrator
Duration: 12+ months
Location: Oak Brook,IL (Onsite)
Required Skills:
Working knowledge of NIS authentication and MS Active directory services conversion for Linux and AIX workloads Managing and administering IBM pSeries Unix system and AIX operating system in an enterprise environment Configuring, migrating file systems on AIX servers for multiple storage platforms using LVM Managed IBM VIOS and virtual workloads Created and deployed scripts for automation using Shell Scripts for monitoring and maintenance procedures. Managing and administering RedHat enterprise Linux Hands on skills with containers in the cloud.
  • Four (4) years' experience in implementing and administering PowerVM virtualization technologies (Virtual I/O) on IBM System pSeries platform.
  • Four (4) years as a systems administrator installing, configuring, and updating AIX 7.x on IBM pSeries hardware.
  • Four (4) years as a UNIX systems administrator managing servers in an enterprise environment consisting of 100 or more AIX servers.
  • Two (2) years' experience in migrating authentication processes from NIS to Active Directory for UNIX environment.
  • Two (2) years of experience in container technologies.

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