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Network And Systems Engineer Jobs in Illinois (NOW HIRING)

Aquatic Capital Management

Systems Engineer

Chicago, IL · On-site

$150K - $300K/yr

Investigate and resolve performance bottlenecks at the intersection of storage, network, and compute. Developer Experience & Automation * Design and maintain provisioning systems for complex compute ...

Next Step Systems

Senior Systems Engineer

Chicago, IL · On-site

$107K - $147K/yr

Keywords: Chicago IL Jobs, Senior Systems Engineer, Linux Servers, Scripting, Automation Tools, TCP/IP, Networking Concepts, Trading Infrastructure, Financial, Software Engineer, Architect ...

Aquatic Capital Management

Systems Engineer

Chicago, IL

$150K - $300K/yr

Investigate and resolve performance bottlenecks at the intersection of storage, network, and compute. Developer Experience & Automation * Design and maintain provisioning systems for complex compute ...

SAIC

Systems Engineer

Scott Air Force Base, IL · On-site

$40K - $80K/yr

The successful candidate will system engineering work to maintain, configure, and reliably operate network servers, server virtualization systems, laptops, desktops, VDI, and supporting software ...

Deegit Inc

Network Architecture

Deerfield, IL · On-site

$65.75 - $88.25/hr

... systems engineering background Job Responsibilities: Network Infrastructure • Responsible for high-level network planning, design, and optimization. Approves and modifies network design and ...

SAIC

Systems Engineer

Scott Air Force Base, IL

$40K - $80K/yr

The successful candidate will system engineering work to maintain, configure, and reliably operate network servers, server virtualization systems, laptops, desktops, VDI, and supporting software ...

SAIC

IL · On-site

$40K - $80K/yr

The successful candidate will system engineering work to maintain, configure, and reliably operate network servers, server virtualization systems, laptops, desktops, VDI, and supporting software ...

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Showing results 21-40

All JobsNetwork And Systems Engineer JobsNetwork And Systems Engineer Jobs in Illinois

Network And Systems Engineer information

See Illinois salary details

$39.7K

$94.9K

$154.1K

How much do network and systems engineer jobs pay per year?

As of Aug 27, 2026, the average yearly pay for network and systems engineer in Illinois is $94,859.00, according to ZipRecruiter salary data. Most workers in this role earn between $76,100.00 and $106,600.00 per year, depending on experience, location, and employer.

What is a network and systems engineer?

Network and Systems Engineers are IT professionals responsible for designing, implementing, managing, and troubleshooting computer networks and system infrastructures within an organization. They ensure that networked systems such as servers, databases, and communication devices operate smoothly and securely. Their duties often include maintaining system security, optimizing performance, and supporting users with technical issues. Network and Systems Engineers play a critical role in keeping business operations running efficiently by ensuring reliable connectivity and data integrity.

What are the key skills and qualifications needed to thrive as a network and systems engineer?

To thrive as a Network and Systems Engineer, you need a solid understanding of networking protocols, system administration, and IT infrastructure, often supported by a degree in computer science or a related field. Familiarity with tools like Cisco IOS, VMware, Linux/Windows servers, and certifications such as CCNA, CompTIA Network+, or Microsoft Certified Solutions Expert (MCSE) are typically required. Strong problem-solving abilities, analytical thinking, and effective communication skills help you excel in troubleshooting and collaborating with team members. These skills and qualifications are critical for ensuring secure, efficient, and reliable network and system operations within an organization.

What are some common challenges network and systems engineers face when managing hybrid cloud environments?

Network and Systems Engineers working with hybrid cloud environments often encounter challenges such as ensuring seamless integration between on-premises infrastructure and cloud services, maintaining consistent security policies across platforms, and managing network latency or connectivity issues. Keeping up with frequent updates from multiple vendors and troubleshooting complex, distributed systems require strong problem-solving skills and adaptability. Collaboration with other IT teams and clear communication are essential to effectively coordinate changes and maintain system reliability.

What is the difference between Network And Systems Engineer vs Network Administrator?

AspectNetwork And Systems EngineerNetwork Administrator
CertificationsCCNA, CompTIA Network+, Cisco certificationsCCNA, CompTIA Network+
Work EnvironmentDesign, implement, and troubleshoot network and system solutionsMaintain and monitor existing network infrastructure
ResponsibilitiesNetwork architecture, system integration, security planningNetwork setup, user support, routine maintenance

Network And Systems Engineers focus on designing and implementing network and system solutions, while Network Administrators manage and maintain existing networks. Both roles require similar certifications and often work in the same industry environments, but their core responsibilities differ in scope and focus.

What are popular job titles related to Network And Systems Engineer jobs in Illinois?

For Network And Systems Engineer jobs in Illinois, the most frequently searched job titles are:

What job categories do people searching Network And Systems Engineer jobs in Illinois look for?

The top searched job categories for Network And Systems Engineer jobs in Illinois are:

Network And Systems Engineer jobs near you
Infographic showing various Network And Systems Engineer job openings in Illinois as of August 2026, with employment types broken down into 100% Full Time. Highlights an 67% In-person, and 33% Hybrid job distribution, with an average salary of $94,859 per year, or $45.6 per hour.

ESGS Network Engineer, Top Secret Security Clearance Required

Next Step Systems

Belleville, IL • On-site

Full-time

Medical, Retirement, PTO

Re-posted 21 days ago

Job description

ESGS Network Engineer, Top Secret Security Clearance Required, Belleville, IL
We are currently looking for an ESGS Network Engineer for a great opportunity in Belleville, IL. This position is 100% onsite. Qualified candidates must have an active Top Secret security clearance.
ESGS Network Engineer Responsibilities:
- Provide technical guidance for directing and monitoring information systems operations. Designs, builds, and implements network systems.
- Direct compilation of records and reports concerning network operations and maintenance.
- Troubleshoots network performance issues.
- Analyze network traffic and provide capacity planning solutions.
- Monitor and respond to complex technical control facility hardware and software problems.
- Interface with vendor support service groups to ensure proper escalation during outages or periods of degraded system performance.
- Manage the purchase, testing, installation, and support of network communications, including LAN/MAN/WAN systems.
- Perform system-level design and configuration of products including determination of hardware, OS, and other platform specifications.
- Plan large-scale systems projects through vendor comparison and cost studies.
- Perform a variety of systems engineering tasks and activities that are broad in nature and are concerned with major systems design, integration, and implementation, including personnel, hardware, software, budgetary, and support facilities and/or equipment.
- Provide quality assurance review and the evaluation of new and existing software products.
ESGS Network Engineer Qualifications:
- At least 3 years of experience is required.
- At least one of the following certifications is required: Cisco Certified Network Associate (CCNA), CompTIA Network+, or Cisco Certified Design Associate (CCDA).
- Top Secret security clearance is required for this position.
Benefits include medical insurance, retirement plan, PTO, etc. Salary: 80K+ DOE. Keywords: Belleville IL Jobs, ESGS Network Engineer, Network Operations, Local Area Network, LAN, Wide-Area Network, WAN, Metropolitan Area Network, MAN, Capacity Planning, Support, Network Communications, Networking, Top Secret, Security Clearance, Illinois Recruiters, IT Jobs, Illinois Recruiting
Looking to hire for similar positions in Belleville, IL or in other cities? Our IT recruiting agencies and staffing companies can help.
We help companies that are looking to hire ESGS Network Engineers for jobs in Belleville, Illinois and in other cities too. Please contact our IT recruiting agencies and IT staffing companies today! Phone 630-428-0600 ext. 11 or email us at jobs@nextstepsystems.com. Click here to submit your resume for this job and others.
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