1

Senior Network Engineer Jobs in DeKalb, IL (NOW HIRING)

Senior Network Analyst

Batavia, IL · On-site

$99.50K - $130.90K/yr

Senior Network Analyst The expected hiring range for this position is: $99,500.00-$130,900.00 ... Experience as a network engineer or analyst operating and supporting small (2-3+ routers, 10 - 20 ...

Senior Network Analyst

Batavia, IL · On-site

$99.50K - $130.90K/yr

Fermilab is looking for a Senior Network Analyst to plan, design, contribute and deploy new network ... Experience as a network engineer or analyst operating and supporting small (2-3+ routers, 10 - 20 ...

Senior Network Analyst

Batavia, IL · On-site

$99.50K - $130.90K/yr

Fermilab is looking for a Senior Network Analyst to plan, design, contribute and deploy new network ... Experience as a network engineer or analyst operating and supporting small (2-3+ routers, 10 - 20 ...

They are seeking a Senior Network Analyst to plan, design, and deploy new network systems while ... engineer or analyst operating and supporting small (2-3+ routers, 10 - 20 switches, a few network ...

Meta is seeking a Network Operations Engineer to join our Edge and Network Services (ENS) Foundation NetOps team. In this role, you will utilize your knowledge in hyperscale data center structured ...

next page

Showing results 1-20

Senior Network Engineer information

See DeKalb, IL salary details

$41.7K

$121.5K

$171.8K

How much do senior network engineer jobs pay per year?

As of May 28, 2026, the average yearly pay for senior network engineer in DeKalb, IL is $121,495.00, according to ZipRecruiter salary data. Most workers in this role earn between $102,100.00 and $139,900.00 per year, depending on experience, location, and employer.

What Does a Senior Network Engineer Do?

A senior network engineer builds and maintains data communication networks for a company or organization. As a senior network engineer, you have several years of industry experience and lead a team of junior network engineers and network administrators to ensure both the local area network (LAN) and wide area network (WAN) are functioning properly. Your job duties include installing software and hardware, creating a layout plan for cables, and troubleshooting and solving problems that arise with the networks for which you are responsible.

What are the key skills and qualifications needed to thrive as a Senior Network Engineer, and why are they important?

To excel as a Senior Network Engineer, you need a deep understanding of network architecture, protocols, security, and typically a bachelor's degree in computer science or a related field. Expertise in configuring and troubleshooting routers, switches, firewalls, and experience with tools like Cisco IOS, Juniper, or cloud networking platforms, along with certifications such as CCNP or CCIE, are highly valued. Strong problem-solving abilities, communication skills, and leadership are crucial for designing solutions and collaborating with IT teams. These competencies ensure reliable, secure, and scalable network infrastructures that support critical business operations.

What are some common challenges faced by Senior Network Engineers when managing large-scale network infrastructures?

Senior Network Engineers often encounter challenges such as integrating new technologies into legacy systems, ensuring network security across a growing number of devices, and maintaining high availability while performing upgrades or troubleshooting. Balancing the demands of multiple stakeholders—like IT, security, and business units—can also be complex. Staying updated with evolving protocols and proactively identifying potential performance bottlenecks are crucial parts of effectively managing large-scale environments.

What are Senior Network Engineers?

Senior Network Engineers are experienced IT professionals responsible for designing, implementing, and managing complex computer networks within organizations. They oversee network infrastructure, troubleshoot issues, ensure network security, and optimize performance. Typically, they lead network projects, mentor junior staff, and collaborate with other IT teams to support business operations. Their expertise covers a range of technologies, including routers, switches, firewalls, and cloud networking.

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

AspectSenior Network EngineerNetwork Administrator
CertificationsCCNP, CCIE, Cisco certificationsCCNA, CompTIA Network+
Work EnvironmentDesign, implement, and troubleshoot complex networksMaintain and support existing network infrastructure
ResponsibilitiesNetwork architecture, advanced troubleshooting, project leadershipNetwork setup, monitoring, routine maintenance

While both roles involve network management, a Senior Network Engineer focuses on designing and implementing complex network solutions, often leading projects. In contrast, a Network Administrator primarily maintains and supports existing networks, ensuring smooth daily operations.

What are the most commonly searched types of Network Engineer jobs in DeKalb, IL? The most popular types of Network Engineer jobs in DeKalb, IL are:
What job categories do people searching Senior Network Engineer jobs in DeKalb, IL look for? The top searched job categories for Senior Network Engineer jobs in DeKalb, IL are:
What cities near DeKalb, IL are hiring for Senior Network Engineer jobs? Cities near DeKalb, IL with the most Senior Network Engineer job openings:
Senior Network Analyst

Senior Network Analyst

Fermilab

Batavia, IL • On-site

$99.50K - $130.90K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

This job post has expired today. Applications are no longer accepted.


Job description

Senior Network Analyst

The expected hiring range for this position is: $99,500.00-$130,900.00. Please note that the pay range information is a general guideline only. The pay offered to a selected candidate will be determined based on factors such the scope and responsibilities of the position, qualifications of the selected candidate, business considerations, internal equity, and external market pay for comparable jobs.

This position is not eligible for relocation assistance, referral bonus program, or sponsorship assistance.

About the Role:

Fermilab is looking for a Senior Network Analyst to plan, design, contribute and deploy new network systems, monitor and evaluate the performance and security for existing network systems, recommend and deploy improvement/upgrade of existing systems. You will analyze and plan for anticipated changes in network capacity requirements, determine methods/procedures on new assignments and provide guidance to network personnel facilitating the transfer of knowledge of technologies. You might lead and supervise others in a group, or/and leads small/middle scope projects.

What your day-to-day as a Senior Network Analyst at Fermilab will look like:

  • Architect network solutions based on analysis of business requirements, while participating in design discussions and author design notes.
  • Planning, analyzing designs, developing, testing, and ensuring quality assurance applying in-depth understanding of interactions between various technologies.
  • Contributing to network design efforts, regularly gathering requirements and information from users for specific projects and obtaining feedback.
  • Defining and maintaining physical network architecture and infrastructure.
  • Analyzing network workload and monitoring network performance.
  • Analyzing and planning for anticipated changes in network capacity requirements.
  • Configuring, implementing, integrating, maintaining, and/or administering network systems, including data, voice, and video communications.
  • Localizing causes and identifying and resolving moderately complex problems.
  • Troubleshooting problems and recommending actions by applying in-depth understanding creativity and taking initiative in problem resolution.
  • Installing, testing, maintaining, and upgrading network operating systems software.
  • Determining methods and procedures on new assignments and providing guidance to network personnel facilitating the transfer of knowledge of technologies.
  • Providing consultation to users in the area of network systems.
  • Author progress reports and technical proposals.
  • Contributing to and leading projects of moderate scope or phases of larger projects and interacting with other project layers, as assigned.
  • Performing technical negotiations with vendors and overseeing major purchases.
  • Being responsible for operational and/or maintenance activities for one or more specific areas or projects as assigned.
  • Performing other duties as assigned by supervisor.
  • Abiding by and being responsible for performing all duties in accordance with all environmental, health and safety regulations and practices pertinent to this position.
Essential Competencies and Attributes for Success:
  • High school diploma with 8+ years of networking experience.
  • Bachelor's degree in computer science or related field with 6+ years of network design experience preferred.
Applicable Knowledge, Skills and Abilities Required:
  • Professional Level Cisco certifications or equivalent is highly desired in case of a candidate possessing minimal education.
  • Experience as a network engineer or analyst operating and supporting small (2-3+ routers, 10 - 20 switches, a few network appliances) to middle size (5+ routers, 20+ switches, 3 – 10 appliances) networks.
  • Has in depth expertise in Networking and ability to operate with broad latitude in a complex environment.
  • Knowledge of data communication and computer networks, network protocols, mathematics, computers, electronics, programming, and design techniques.

Work Arrangement: Please note that the described work arrangement is subject to change based on business needs and is not guaranteed to be final.

  • Onsite: This is an onsite role, and the candidate must be able to work from our Batavia office.

Benefits/Perks: Fermilab offers a competitive and comprehensive benefits program, including:

  • Medical, Dental, Vision and Flexible Spending Accounts
  • Paid time off
  • Life insurance
  • Short and Long-term disability insurance
  • Retirement benefits
  • Onsite day care

Why Fermilab: Fermilab is America's premier laboratory for particle physics and accelerator research, funded by the U.S. Department of Energy. We support discovery science experiments in Illinois and locations around the world, including deep underground mines in South Dakota and Canada, mountaintops in Arizona and Chile, CERN in Europe and the South Pole.

Pre-Employment Screening:

Drug-Free Workplace & Pre-Employment Screening

Fermilab is dedicated to fostering a safe, productive and drug-free environment. An offer of employment is contingent upon the successful completion of a background check and drug screening.

HSPD-12

In accordance with Homeland Security Presidential Directive 12 (HSPD-12) new employees are required to obtain and maintain a HSPD-12 Personal Identity Verification (PIV) Credential. To obtain this credential, new employees must successfully complete and pass a federal background check investigation. This investigation includes a declaration of illegal drug activities, including use, supply, possession, or manufacture. This includes marijuana and cannabis derivatives, which are still considered illegal under federal law, regardless of state laws. Failure to obtain or maintain such government access authorization could result in the withdrawal of a job offer or future termination of employment.

Foreign Government Sponsored Activities

Fermilab employees, and certain guest researchers and contractors, are subject to particular restrictions related to participation in Foreign Government Sponsored or Affiliated Activities, as defined and detailed in United States Department of Energy Order 486.1A. Such individuals will be asked to disclose any participation for review by Fermilab's Office of General Counsel.

REAL-ID Requirement for access to Fermilab Campus Fermilab requires all members of the public to produce a REAL-ID, or equivalent, to access the Fermilab Campus for interviews or career events. A list of acceptable forms of ID can be found here: https://get-connected.fnal.gov/wp-content/uploads/2021/09/REALID-Documents.pdf. If a candidate is selected for an interview but does not possess any of the equivalent documents, we may schedule a virtual interview.

Equal Opportunity Statement

Fermilab is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, age, national origin, disability, veteran status, genetic information, and other legally protected categories.