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Computer Networking Jobs in O Fallon, IL (NOW HIRING)

Knowledge of networking architecture, evaluating, and recommending new technologies to enhance current capabilities and performing needs assessments. * Knowledge of data and voice network design ...

The Implementations Network Enginee r will perform installation oversight, configuration, testing, monitoring, servicing of network equipment and activation of networks for projects supporting the ...

Knowledge of networking architecture, evaluating, and recommending new technologies to enhance current capabilities and performing needs assessments. * Knowledge of data and voice network design ...

The Network Engineer will perform sustainment, maintenance, Problem and Change management services to help ensure secure, reliable, and uninterrupted availability of the Department of Defense IP ...

Manages and performs maintenance on the existing computer network systems services, including local area networks, wide area networks, intranets, and the Internet, providing analytical, technical ...

Assist in the development, compliance, and continuous improvement of all aspects of networking ... Education: Bachelor of Science Degree in Computer Science, Management Information Systems ...

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Computer Networking information

See O Fallon, IL salary details

$17

$26

$55

How much do computer networking jobs pay per hour?

As of May 31, 2026, the average hourly pay for computer networking in O'Fallon, IL is $26.50, according to ZipRecruiter salary data. Most workers in this role earn between $19.95 and $28.94 per hour, depending on experience, location, and employer.

What Are the Qualifications to Get a Job in Computer Networking?

The primary qualifications for a computer networking job are a bachelor's degree in a relevant field and several years of experience as a network administrator. Employers tend to prefer applicants who have a master's degree and intermediate- to expert-level skills with firewall and server configuration. Fulfilling the duties of a computer networking job requires familiarity with a wide range of network hardware and software, excellent technical problem-solving skills, and an understanding of network traffic analysis techniques. Some computer networking jobs work with sensitive material, so employers may ask you to obtain a federal security clearance. Pursuing additional education or certifications, such as an electrical engineering degree, may help you gain a competitive advantage or advance in this career.

What are the key skills and qualifications needed to thrive as a Computer Networking professional, and why are they important?

To thrive in Computer Networking, you need a solid understanding of network protocols, troubleshooting, and infrastructure, typically backed by a degree in computer science or a related field. Familiarity with tools like Cisco routers and switches, network monitoring software, and certifications such as CompTIA Network+ or Cisco CCNA is highly valued. Strong problem-solving abilities, attention to detail, and effective communication skills help professionals excel in diagnosing issues and collaborating with team members. These skills are crucial to ensure reliable, secure, and efficient network operations that support organizational needs.

What are some common challenges faced by professionals in computer networking roles, and how can they be addressed?

Computer networking professionals often encounter challenges such as troubleshooting complex connectivity issues, keeping up with rapidly evolving technologies, and ensuring network security against emerging threats. These challenges can be addressed by developing strong problem-solving skills, staying current with industry certifications and ongoing training, and collaborating closely with IT security and support teams. Regularly participating in knowledge-sharing sessions within the organization can also help professionals stay informed about best practices and new tools.

What is computer networking?

Computer networking refers to the practice of connecting computers and other devices together so they can communicate and share resources, such as files, printers, and internet access. This can involve local networks within a single building (LANs) or larger networks that span cities or even countries (WANs). Networking relies on hardware like routers and switches, as well as software protocols that ensure reliable communication and data transfer. It is essential for businesses, organizations, and individuals to facilitate collaboration, access information, and use shared services efficiently.

Is computer network a good career?

A career in computer networking involves designing, implementing, and managing network systems, which are essential for organizations' communication and data transfer. It offers opportunities for growth with certifications like Cisco's CCNA and requires technical skills in hardware, protocols, and security. The field is generally stable with demand for network administrators, engineers, and security specialists.

Will AI replace computer networking?

Computer networking professionals design, implement, and maintain network systems, and AI is expected to augment rather than replace these roles. AI tools can automate routine tasks and improve network security, but human expertise remains essential for complex troubleshooting, configuration, and strategic planning. Skills in network protocols, security, and certifications like Cisco or CompTIA are valuable in this evolving environment.

What is the difference between Computer Networking vs Network Administration?

AspectComputer NetworkingNetwork Administration
CertificationsCCNA, CompTIA Network+CCNA, CompTIA Network+
Work EnvironmentDesigning, implementing, and troubleshooting networksManaging and maintaining existing networks
Job FocusNetwork infrastructure setup and optimizationNetwork monitoring, user support, and issue resolution
Industry UsageIT and telecommunications companiesOrganizations with large IT networks

Computer Networking involves designing and implementing network systems, while Network Administration focuses on managing and maintaining those networks. Both roles require similar certifications and often overlap, but networking emphasizes setup and architecture, whereas administration centers on ongoing support and troubleshooting.

What job categories do people searching Computer Networking jobs in O'Fallon, IL look for? The top searched job categories for Computer Networking jobs in O'Fallon, IL are:
What cities near O'Fallon, IL are hiring for Computer Networking jobs? Cities near O'Fallon, IL with the most Computer Networking job openings:
Computer Network Architect

Computer Network Architect

Leidos

Scott Air Force Base, IL • On-site

$59.15K - $106.93K/yr

Full-time

Medical, Retirement, PTO

Posted 28 days ago


Leidos rating

8.4

Company rating: 8.4 out of 10

Based on 146 frontline employees who took The Breakroom Quiz

57th of 425 rated business services


Job description

Description

Our customer, the Defense Information Systems Agency (DISA), provides, operates, and assures command and control of the Defense Information System Network (DISN) services to its customers, the department of Defense (DoD) and national security organizations. This position directly supports the DISA-provided capabilities and services.

The Leidos Digital Modernization Sector/Global Solutions Management-Operations II (GSMO-II) contract has an opening for an Implementations Network Engineer at Scott AFB, IL.  The Implementations Network Engineer will perform installation oversight, configuration, testing, monitoring, servicing of network equipment and activation of networks for projects supporting the Department of Defense networks.

This position requires U.S. citizenship and an active Secret clearance.

Daily Responsibilities: Responsible for performing and training team on the following duties:

  • Perform customer coordination, Initial Test and Acceptance (IT&A), execution of all reporting functions, and complete data input associated with new network equipment and service activations to ensure they are implemented in accordance with Defense Information Systems Agency (DISA) standards.

  • Configure and maintain DISA’s out-of-band management network consisting of Cisco and Juniper devices using baseline configurations customized for each site.

  • Upgrade software on Cisco and Juniper devices.

  • Create/update project planning documentation to support selecting and creating IP addressing schemes (subnet selection, equipment management IP selection) as well as assigning ports on out-of-band management nodes.

  • Perform systems analysis techniques and procedures, including consulting with users to determine hardware, software, or system functional requirements in support of customer resources.

  • Ensure all information (POC, location, & interface) is correct and formatted properly according to provided requirements.

  • Verify correct points of contact (POC) for each location through which the circuit traverses.

  • Engage with the DISA project managers and/or customers to resolve issues with incomplete or unclear requirements.

  • Reach out to stakeholders and facilitate approvals as necessary to ensure continual forward progress of the service request.

Basic Qualifications:

  • Proficient knowledge of various network hardware equipment specifications, configuration and testing processes, and industry specifications.

  • Network engineering, problem management, and performance management experience.

  • Knowledge of networking architecture, evaluating, and recommending new technologies to enhance current capabilities and performing needs assessments.

  • Knowledge of data and voice network design carried over various transmissions systems, router to router connections using military and commercial protocols such as BGP and ISIS, switch-to-switch trunking to include VLANS, and circuit configurations through multiplexers.

  • Experience with network services (BGP, OSPF, DHCP, DNS, TCP/IP, WAN, VPN, VLAN, VRF, etc.) and network appliances (e.g., routers, load balancers, domain name servers, firewalls).

  • Knowledge of configuring, activating, testing, and analyzing network systems.

  • Ability to work in a team environment, but self-driven to complete assignments while continually developing proficiencies in processes.

  • Strong written and verbal communications, team building and collaboration skills.

  • An active Secret security clearance is required.

  • DoD-8570 IAT Level 2 baseline certification (Security+ CE or equivalent).

Preferred Qualifications:

  • Prior experience at DISA, or knowledge of DISA systems and processes

  • Prior experience with SharePoint data entry, DDOE, or SharePoint order processing.

  • Order services on behalf of the customer; input service requests into DISA Storefront (DSF)

  • Experience providing customer outreach on all orders to ensure accuracy of the POC, location, and interface

Required Education & Experience:

  • Requires BS degree and 2-4 years of prior relevant experience or Masters with less than 2 years of prior relevant experience.

GSMO

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:April 17, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:Pay Range $59,150.00 - $106,925.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.


What Leidos employees say

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About Leidos

Sourced by ZipRecruiter

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Reston, VA, US

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