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Network Engineer Jobs in Crystal Lake, IL (NOW HIRING)

Neshent Technologies

Network Engineer

Hanover Park, IL · Hybrid

We are seeking an experienced Network Engineer to support and maintain enterprise network infrastructure across multiple office locations. The ideal candidate will have strong expertise in Cisco ...

Neshent Technologies

Network Engineer

Schaumburg, IL · Hybrid

We are seeking an experienced Network Engineer to support and maintain enterprise network infrastructure across multiple office locations. The ideal candidate will have strong expertise in Cisco ...

Neshent Technologies

Network Engineer

Roselle, IL · Hybrid

We are seeking an experienced Network Engineer to support and maintain enterprise network infrastructure across multiple office locations. The ideal candidate will have strong expertise in Cisco ...

Neshent Technologies

Network Engineer

Palatine, IL · Hybrid

We are seeking an experienced Network Engineer to support and maintain enterprise network infrastructure across multiple office locations. The ideal candidate will have strong expertise in Cisco ...

Neshent Technologies

Network Engineer

Medinah, IL · Hybrid

We are seeking an experienced Network Engineer to support and maintain enterprise network infrastructure across multiple office locations. The ideal candidate will have strong expertise in Cisco ...

Neshent Technologies

Network Engineer

Ridgefield, IL · Hybrid

We are seeking an experienced Network Engineer to support and maintain enterprise network infrastructure across multiple office locations. The ideal candidate will have strong expertise in Cisco ...

Neshent Technologies

Network Engineer

Bloomingdale, IL · Hybrid

We are seeking an experienced Network Engineer to support and maintain enterprise network infrastructure across multiple office locations. The ideal candidate will have strong expertise in Cisco ...

Neshent Technologies

Network Engineer

Itasca, IL · Hybrid

We are seeking an experienced Network Engineer to support and maintain enterprise network infrastructure across multiple office locations. The ideal candidate will have strong expertise in Cisco ...

Neshent Technologies

Network Engineer

Wheeling, IL · Hybrid

We are seeking an experienced Network Engineer to support and maintain enterprise network infrastructure across multiple office locations. The ideal candidate will have strong expertise in Cisco ...

Neshent Technologies

Network Engineer

Streamwood, IL · Hybrid

We are seeking an experienced Network Engineer to support and maintain enterprise network infrastructure across multiple office locations. The ideal candidate will have strong expertise in Cisco ...

Neshent Technologies

Network Engineer

Carol Stream, IL · Hybrid

We are seeking an experienced Network Engineer to support and maintain enterprise network infrastructure across multiple office locations. The ideal candidate will have strong expertise in Cisco ...

Neshent Technologies

Network Engineer

Addison, IL · Hybrid

We are seeking an experienced Network Engineer to support and maintain enterprise network infrastructure across multiple office locations. The ideal candidate will have strong expertise in Cisco ...

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All JobsNetwork Engineer JobsNetwork Engineer Jobs in Crystal Lake, IL

Network Engineer information

See Crystal Lake, IL salary details

$30.1K

$105.7K

$153.2K

How much do network engineer jobs pay per year?

As of Aug 18, 2026, the average yearly pay for network engineer in Crystal Lake, IL is $105,744.00, according to ZipRecruiter salary data. Most workers in this role earn between $86,300.00 and $129,500.00 per year, depending on experience, location, and employer.

What does a network engineer do?

A Network Engineer is responsible for designing, implementing, and maintaining the computer networks that support in-house voice, data, video, and wireless network services. They ensure network reliability and performance, troubleshoot issues, and optimize network security. Network Engineers work with hardware and software, coordinate with other IT professionals, and often manage upgrades or expansions to meet an organization's needs.

What does a network engineer do?

Network Engineers support and optimize all processes for maintaining a company’s computer network, selecting and deploying software and hardware and making local area networks (LANs) and wide area networks (WANs) accessible, and making sure that company personnel can securely access the internet to complete work. Network Engineers also analyze network performance, configure network features based on client needs, and develop guidelines for acceptable network use.

What are some common challenges network engineers face when managing large-scale enterprise networks?

Network Engineers working with large-scale enterprise networks often encounter challenges such as ensuring network security across multiple locations, minimizing downtime during upgrades or maintenance, and troubleshooting complex connectivity issues. They may also need to balance high availability with performance, manage diverse hardware and software, and coordinate with cross-functional teams like cybersecurity and IT support. Staying updated with rapidly evolving technologies and addressing scalability concerns are key aspects of the role.

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

To thrive as a Network Engineer, you need a solid understanding of network protocols, routing and switching, and typically hold a degree in computer science or a related field. Familiarity with tools like Cisco IOS, network monitoring software, and certifications such as CCNA or CCNP are highly valued. Strong problem-solving skills, effective communication, and the ability to work well under pressure set top performers apart. These skills ensure the reliable design, implementation, and maintenance of network infrastructure, which is critical for organizational connectivity and security.

What is the difference between Network Engineer vs Network Administrator?

AspectNetwork EngineerNetwork Administrator
CertificationsCCNA, CCNP, CompTIA Network+CCNA, CompTIA Network+
Work EnvironmentDesigning, implementing, and troubleshooting network infrastructureManaging and maintaining existing network systems
ResponsibilitiesNetwork design, configuration, and optimizationMonitoring, maintaining, and supporting network operations
Industry UsageIT, telecommunications, large enterprisesCorporate, small to medium businesses, educational institutions

While both roles involve working with networks, Network Engineers focus on designing and building network systems, whereas Network Administrators manage and support existing networks. Understanding these differences helps organizations assign the right responsibilities and professionals for their network needs.

Are network engineers still in demand?

Network engineers are still in demand due to ongoing growth in IT infrastructure, cybersecurity needs, and cloud computing. They typically require skills in network design, troubleshooting, and certifications like Cisco CCNA or CompTIA Network+ to stay competitive in the job market.
More about Network Engineer jobs

What are the most commonly searched types of Network Engineer jobs in Crystal Lake, IL?

The most popular types of Network Engineer jobs in Crystal Lake, IL are:

What job categories do people searching Network Engineer jobs in Crystal Lake, IL look for?

The top searched job categories for Network Engineer jobs in Crystal Lake, IL are:

What cities near Crystal Lake, IL are hiring for Network Engineer jobs?

Cities near Crystal Lake, IL with the most Network Engineer job openings:

Network Engineer jobs near you
Infographic showing various Network Engineer job openings in Crystal Lake, IL as of August 2026, with employment types broken down into 1% As Needed, 79% Full Time, 14% Part Time, and 6% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $105,744 per year, or $50.8 per hour.

Network Engineer

Sonoma Consulting Inc.

Elk Grove Village, IL • On-site

Contractor

Re-posted 18 days ago

Job description

Company Description

Halo Group places technology experts within the teams of the world's leading companies to help our customers stay one step closer to their customers and one step ahead of the competition.

Job Description

Seeking an experienced Cisco Certified Network Professional who has a hands on understanding of complex L2/L3 network topologies. Having an in depth knowledge of wireless local area networks and WLAN project experience is preferred. This individual must be able to interact well in a team environment, be able to follow a detailed work flow process and comply with all change management procedures and policy. As a network engineer at United you will need to be available for after hour project implementations, hardware installations, and configuration changes. This position reports to the Manager of Network Engineering and will be assigned to 2017 capital initiatives and core support activities.

Qualifications

Experience in Routing Protocols OSPF, BGP, & EIGRP and different platform of Cisco routers ASR1002, 7600, 7200, 3800, 2800 etc.
Expert in Switching L2/L3 and different platforms of Cisco switches Nexus, 6500, 4500, 4900, 3700, 3500, etc. and HPE/Aruba 3810 and 5412z switchesExperience in Wireless LAN technology and understanding of Aruba Access Points and Controllers.
Expert with troubleshooting and hands on for routing & switching
Knowledgeable with Security technologies i.e. Firewalls, VPN, IDS, IPS, 802.1x, Internet Proxy etc.
Experience with different OS and server technologies is a plus.
Team player and inclined towards taking on new challenges.
Be able to deliver detailed design diagrams, complete technical documentation, and develop change scripts, using various tools such as? HP NA, MS Excel, MS Power Point, and MS Visio.



Additional Information

All your information will be kept confidential according to EEO guidelines.

Network Engineer

Must be CCNP or higher.

Experience: 7-9 years applicable experience in network engineering.

Sonoma Consult logo

About Sonoma Consult

Sourced by ZipRecruiter

Sonoma Consult is a California based C corporation helping companies bring products to the patient by working closely with the engineering teams and the clinicians. Our goal, no matter what stage of product development, is to create and execute a plan of action to move the product through the appropriate clinical and regulatory steps. Sonoma Consult works cohesively with the engineers and physicians to translate technologies to the clinic. Our goal is to help you get the very best product to the clinic and to the market. This includes planning, execution and ensuring critical data is delivered in the right format to ensure the feedback loop to the design team ultimately delivers the most advanced technology to the patient.

Industry

Business management consulting

Company size

1 - 10 Employees

Headquarters location

Sonoma, CA, US

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