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Senior System Administrator Jobs in Romeoville, IL

Middleground It

Systems Administrator

Chicago, IL · On-site

... of senior engineers. Most administration will be either from our office or on-site at client ... system experience -Documentation experience Preferred Qualifications: Associate or Bachelor ...

Invenergy

Senior PI Administrator

Bolingbrook, IL · Hybrid

$125K - $155K/yr

Act as the subject matter expert for OT systems, with a primary focus on the AVEVA PI System and ... Administer and support AVEVA PI System components including, but not limited to PI Data Archive, PI ...

Invenergyllc

Senior PI Administrator

Chicago, IL · Hybrid

$125K - $155K/yr

Act as the subject matter expert for OT systems, with a primary focus on the AVEVA PI System and ... Administer and support AVEVA PI System components including, but not limited to PI Data Archive, PI ...

Invenergyllc

Senior PI Administrator

Bolingbrook, IL · Hybrid

$125K - $155K/yr

Act as the subject matter expert for OT systems, with a primary focus on the AVEVA PI System and ... Administer and support AVEVA PI System components including, but not limited to PI Data Archive, PI ...

Invenergy LLC

Senior PI Administrator

Chicago, IL · On-site

$125K - $155K/yr

Act as the subject matter expert for OT systems, with a primary focus on the AVEVA PI System and ... Administer and support AVEVA PI System components including, but not limited to PI Data Archive, PI ...

Invenergy

Senior PI Administrator

Chicago, IL · Hybrid

$125K - $155K/yr

Act as the subject matter expert for OT systems, with a primary focus on the AVEVA PI System and ... Administer and support AVEVA PI System components including, but not limited to PI Data Archive, PI ...

Humana

Senior Systems Engineer

Chicago, IL · On-site +1

$107K - $147K/yr

The Senior Systems Engineer operates with a high degree of independence, providing technical ... Administer infrastructure environments through management consoles, orchestration platforms, and ...

Addison Group

Sr. Network Administrator

Chicago, IL · On-site

$45 - $55/hr

Senior Network Administrator Industry: Nonprofit Location (City, State): Chicago, IL Assignment ... The internal IT team supports business-critical systems across networking, virtualization, servers ...

Humana

Senior Systems Engineer

Chicago, IL · On-site +1

$107K - $147K/yr

The Senior Systems Engineer operates with a high degree of independence, providing technical ... Administer infrastructure environments through management consoles, orchestration platforms, and ...

1872 Consulting

LMS Administrator

Chicago, IL

LMS Administrator The LMS Administrator supports the use and growth of Campus, our online learning ... the Senior Digital Learning Strategy Manager related to the implementation of new systems ...

1872 Consulting

LMS Administrator

Chicago, IL

LMS Administrator The LMS Administrator supports the use and growth of Campus, our online learning ... the Senior Digital Learning Strategy Manager related to the implementation of new systems ...

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Showing results 41-60

All JobsSystem Administrator JobsSenior System Administrator JobsSenior System Administrator Jobs in Romeoville, IL

Senior System Administrator information

See Romeoville, IL salary details

$50K

$104.2K

$146.3K

How much do senior system administrator jobs pay per year?

As of Sep 5, 2026, the average yearly pay for senior system administrator in Romeoville, IL is $104,234.00, according to ZipRecruiter salary data. Most workers in this role earn between $87,700.00 and $118,800.00 per year, depending on experience, location, and employer.

What does a senior system administrator do?

A Senior System Administrator is responsible for managing, maintaining, and securing an organization's IT infrastructure, including servers, networks, and related systems. They oversee the installation and configuration of hardware and software, troubleshoot complex technical issues, and ensure the reliability and performance of IT services. Senior System Administrators also implement security policies, perform regular system updates, and may supervise junior IT staff. Their expertise is essential for minimizing system downtime and protecting data integrity.

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

To thrive as a Senior System Administrator, you need in-depth knowledge of operating systems, networking, security protocols, and significant experience managing IT infrastructure, usually backed by a degree in computer science or related certifications (such as CompTIA, Microsoft, or Cisco). Expertise with tools like VMware, Active Directory, PowerShell, and cloud platforms (AWS, Azure) is typically required. Strong problem-solving skills, attention to detail, and effective communication are crucial soft skills for this role. These abilities ensure reliable system performance, minimize downtime, and support the technology needs of an organization.

What are some common challenges a senior system administrator may encounter when managing hybrid cloud environments?

Senior System Administrators often face challenges balancing on-premises infrastructure with cloud-based resources, which can include ensuring consistent security policies, managing data synchronization, and monitoring system performance across multiple platforms. They must also stay updated on evolving technologies and compliance requirements, as well as collaborate closely with development, security, and networking teams. Addressing these complexities requires strong problem-solving skills, robust documentation practices, and a proactive approach to both troubleshooting and automation.

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

AspectSenior System AdministratorNetwork Administrator
CertificationsCompTIA Server+, Microsoft Certified: Windows Server, Cisco CCNACompTIA Network+, Cisco CCNA, Cisco CCNP
Work EnvironmentData centers, enterprise IT environments, server managementNetwork infrastructure, routing, switching, network security
ResponsibilitiesServer deployment, maintenance, troubleshooting, system upgradesNetwork setup, monitoring, troubleshooting, security management

While both roles require networking and system knowledge, Senior System Administrators focus on server and system management, whereas Network Administrators specialize in network infrastructure. Both roles are essential in enterprise IT, often collaborating to ensure seamless technology operations.

What are the most commonly searched types of System Administrator jobs in Romeoville, IL?

The most popular types of System Administrator jobs in Romeoville, IL are:

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

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

Senior System Administrator jobs near you
Infographic showing various Senior System Administrator job openings in Romeoville, IL as of July 2026, with employment types broken down into 1% As Needed, 88% Full Time, 8% Part Time, 1% Temporary, and 2% Contract. Highlights an 93% Physical, 3% Hybrid, and 4% Remote job distribution, with an average salary of $104,234 per year, or $50.1 per hour.

Systems Administrator

Middleground It

Chicago, IL • On-site

Full-time

Re-posted 21 days ago

Job description

We are a small and rapidly growing IT Managed Service Provider located in the Loop. We provide outsourced IT services to clients in the Chicago area, including industries such as Healthcare, Legal, Financial, Manufacturing, Federal Government, and many more. We are very fast paced and this position requires quick thinking and a "can do" attitude. We are always looking for eager, hungry, and motivated individuals for full time salaried employment who are willing to work hard and be a team player.
In this systems administrator opportunity, the ideal candidate will be responsible for providing Windows systems and network administration on a variety of different configurations under the guidance of senior engineers. Most administration will be either from our office or on-site at client locations in the Chicago area. This will involve new server builds, configurations, and maintenance, software deployments, escalated tech support to help desk, as well as identifying, researching, and resolving technical problems with Microsoft Windows related systems and networking.
This role will involve 40 hours a week, with occasional after hours or weekend scheduled work and upgrades.
Job Requirements:
-Strong knowledge of Windows Server 2012, 2008, 2003
-Strong knowledge Windows 10, 8, 7, XP
-Microsoft Office 2016, 2013, 2010
-VMware ESXi 6.0/5.5/5.1/5.0/4.1/4.0
-VMware vSphere
-Veeam Backup and Replication
-Knowledge of TCP/IP networking and LAN/WAN connectivity
-Cisco/Sonicwall/Dell switches, routers, firewalls
-Knowledge of storage technologies such as SAN/NAS/DAS
-Knowledge of reading log files and event viewer to resolve issues
-Experience dealing with vendors and escalation procedures
-Ticket system experience
-Documentation experience
Preferred Qualifications:
Associate or Bachelor's Degree in CS/IT
Microsoft certifications MCSA, MCSE, MCITP, MCP
CompTIA A+, Network+, Security+
Cisco certifications CCENT, CCNA, CCNP
Microsoft Office 365
Other Qualifications
Strong problem solving and troubleshooting skills
Excellent written and phone communication skills
Ability to adapt to learn new systems as required
Personable demeanor
Independent self starter
Patient and driven individual
Compensation:
You will learn an immense number of things at our company. You will be trained on the latest and greatest technologies and be exposed to many new challenges.
Your skills will be tested. Background will be checked. Drug testing may be requested.
Please send your resume and contact information, and one recent IT project you completed. Failure to follow directions will result in the deletion of your email.
This will be a W2 salary position.
Passionate and forward thinking group of IT professionals
EOE
Ideal candidate will live close to the downtown Chicago
Please, no recruiters.
**posting will be deleted only once the position has been filed. if posting still up, job still available**

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