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Senior Network Systems Engineer Jobs in Naperville, IL

QS/1 Data Systems

Network Systems Engineer

Oak Brook, IL · On-site

$121 - $125/hr

Programming and testing network systems. Implementing and maintaining system administration tasks. Installing operating systems and providing end-user support. Establishing and maintaining network ...

Fermilab

Senior Network Analyst

Batavia, IL · On-site

$99K - $130K/yr

Configuring, implementing, integrating, maintaining, and/or administering network systems ... Experience as a network engineer or analyst operating and supporting small (2-3+ routers, 10 - 20 ...

Morris Hospital

SENIOR NETWORK ADMINISTRATOR

Morris, IL · On-site

$40.02 - $60.04/hr

The Sr. Network Administrator - works under the direction of the Director of Information Technology ... Including but not limited to Phone Systems, Cell Phones, networking infrastructure, WAN and LAN ...

Early Warning Services

Sr. Network Engineer

Chicago, IL · Hybrid

$107K - $146K/yr

S. financial system for over thirty years with cutting-edge solutions like Zelle, Paze, and so much ... The Senior Network Engineer designs, builds, implements, automates, and supports complex network ...

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 ...

Addison Group

Senior Network Security Engineer

Chicago, IL · Remote

$130 - $145K/hr

CONFIDENTIAL SEARCH - Senior Network Security Engineer Location: Chicago - Onsite Pay: $130 - $145K Base Benefits: This position is eligible for Medical, Dental, Vison, and 401(k) Confidential search ...

Addison Group

Senior Network Security Engineer

Chicago, IL · On-site

$130 - $145K/hr

CONFIDENTIAL SEARCH - Senior Network Security Engineer Location: Chicago - Onsite Pay: $130 - $145K Base Benefits: This position is eligible forMedical, Dental, Vison, and 401(k) Confidential search ...

Impact Networking

Senior Network Engineer

Bolingbrook, IL · On-site

$102K - $140K/yr

Job Overview The TOC Senior Network Engineer will be part of the Impact Networking MIT organization ... Must have working knowledge of event and incident management systems including support for Incident ...

Impact Networking

Senior Network Engineer

Chicago, IL · On-site

$107K - $146K/yr

Job Overview The TOC Senior Network Engineer will be part of the Impact Networking MIT organization ... Must have working knowledge of event and incident management systems including support for Incident ...

Impact Networking

Senior Network Engineer

Bolingbrook, IL · On-site

$110 - $160/hr

Job Overview The TOC Senior Network Engineer will be part of the Impact Networking MIT organization ... Must have working knowledge of event and incident management systems including support for Incident ...

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All JobsNetwork Systems Engineer JobsSenior Network Systems Engineer JobsSenior Network Systems Engineer Jobs in Naperville, IL

Senior Network Systems Engineer information

See Naperville, IL salary details

$72.4K

$112.3K

$150.3K

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

As of Aug 30, 2026, the average yearly pay for senior network systems engineer in Naperville, IL is $112,309.00, according to ZipRecruiter salary data. Most workers in this role earn between $95,400.00 and $130,800.00 per year, depending on experience, location, and employer.

What is a senior network systems engineer?

Senior Network Systems Engineers are experienced IT professionals responsible for designing, implementing, managing, and troubleshooting complex network infrastructures within organizations. They ensure the stability, integrity, and efficient operation of in-house information networks and related hardware and software. These engineers often lead network projects, mentor junior staff, and stay updated on emerging technologies to optimize network performance and security. Their expertise is crucial for supporting business operations that rely on reliable and secure data connectivity.

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

To thrive as a Senior Network Systems Engineer, you need advanced knowledge of network architecture, protocols, troubleshooting, and typically a bachelor's degree in computer science or a related field. Proficiency with tools such as Cisco IOS, Juniper JUNOS, network monitoring software, and certifications like CCNP or CCIE are highly valued. Strong analytical thinking, effective communication, and leadership abilities help you manage complex projects and collaborate across teams. These skills are crucial for ensuring reliable, secure, and high-performing network infrastructures that support organizational operations.

How does a senior network systems engineer typically collaborate with other IT teams to ensure network reliability?

As a Senior Network Systems Engineer, collaboration with other IT teams is vital for maintaining network reliability and performance. You will regularly coordinate with systems administrators, cybersecurity specialists, and support staff to troubleshoot issues, implement upgrades, and design scalable solutions. Effective communication and documentation are key, as you may lead cross-functional meetings or act as the technical point of contact during major projects. This collaborative environment helps ensure that network changes align with organizational goals and security best practices.

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

AspectSenior Network Systems EngineerNetwork Engineer
CertificationsCCNA, CCNP, Cisco certificationsCCNA, CompTIA Network+
Work EnvironmentDesign, implementation, and troubleshooting of complex networksNetwork setup, maintenance, and support
ResponsibilitiesAdvanced network architecture, security, and performance optimizationBasic network configuration and troubleshooting

The Senior Network Systems Engineer typically handles complex network design, security, and optimization tasks, requiring advanced certifications and experience. In contrast, a Network Engineer focuses on implementing and maintaining network infrastructure, often with entry to mid-level certifications. Both roles are essential in network management but differ in scope and seniority.

What cities near Naperville, IL are hiring for Senior Network Systems Engineer jobs?

Cities near Naperville, IL with the most Senior Network Systems Engineer job openings:

Infographic showing various Senior Network Systems Engineer job openings in Naperville, IL as of August 2026, with employment types broken down into 84% Full Time, 11% Part Time, 4% Contract, and 1% Nights. Highlights an 86% Physical, 2% Hybrid, and 12% Remote job distribution, with an average salary of $112,309 per year, or $54 per hour.

Network Systems Engineer

Prinova Group LLC

Itasca, IL • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 14 days ago

Job description

Unlock your potential with Prinova
We are Prinova, a leading global supplier of ingredients and premix manufacturing solutions, and trusted by the world's best-known food, beverage, and nutrition brands.
Part of the NAGASE Group, our expertise lies in Ingredient Distribution, Manufacturing Solutions, and Customized Services. Our global network of colleagues, located in offices and manufacturing facilities around the world, deliver sustainable value-added solutions to our customers. We are recognized for our deep expertise, commitment to excellence, and bold innovation, which have earned us a strong reputation as a trusted industry leader.
Wherever your career is headed, you'll find direction, opportunity, and belonging with us.
Network Systems Engineer
Department: IT, Corporate
Location: Itasca, IL
Type: Full-time
Summary:
The Network Systems Engineer is responsible for the implementation, maintenance, and support of Prinova's network and systems infrastructure across all domestic and global locations. This role ensures high levels of availability, security, and performance for critical business systems and network services. The candidate will work closely with the Senior IT Director - Network Integration and the Network Team to support ongoing projects, system upgrades, and strategic technology initiatives.
Essential Duties and Responsibilities include the following, but are not limited to:
  • Design, configure, and maintain core network infrastructure, including switches, routers, firewalls, VPNs, and wireless systems.
  • Maintain and administer Windows Server, virtualized environments (VMware/Hyper-V), and cloud-based systems (Azure/M365).
  • Monitor system and network performance to ensure availability, reliability, and security.
  • Troubleshoot complex network/systems issues and provide Tier 3 technical support.
  • Implement and maintain security controls, including firewalls, MFA, endpoint protection, and adherence to best practices.
  • Support backup, disaster recovery, and business continuity solutions.
  • Plan and execute system and network upgrades, migrations, and lifecycle replacements.
  • Maintain detailed documentation, including diagrams, configurations, and procedures.
  • Collaborate with vendors and service providers on projects, escalations, and service improvements.
  • Participate in on-call rotation for after-hours support as needed.
  • Other duties may be assigned.

Supervisory Responsibilities:
This position has no direct supervisory responsibilities but may mentor junior team members and provide guidance to IT support staff.
Qualifications:
To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
Required Education and/or Experience:
  • Bachelor's degree in information technology, computer engineering, or related field; or equivalent work experience.
  • 5+ years in network/systems engineering roles.
  • Experience with enterprise networking technologies.
  • Experience supporting Windows Server, Active Directory, Group Policy, and virtualization platforms.
  • Experience with cloud systems, including Microsoft Azure and M365 administration.

Required Skills/Abilities:
  • Strong knowledge of network protocols, routing, switching, and security principles.
  • Expertise with firewalls, VPN technologies, and network segmentation.
  • Strong experience with virtualization, backup systems, and disaster recovery.
  • Strong understanding of cybersecurity frameworks such as NIST, CIS Controls, and Zero Trust principles.
  • Experience in configuring next-generation firewalls and secure remote access solutions.
  • Knowledge of vulnerability management tools and processes, including remediation planning.
  • Experience in performing network security hardening, including patching, endpoint control, and secure configuration baselines.
  • Familiarity with SIEM platforms (e.g., Microsoft Sentinel, Splunk) for log analysis, alert triage, and incident response.
  • Ability to manage multiple projects and tasks in a fast-paced environment.
  • Strong analytical and problem-solving skills.
  • Excellent documentation and communication skills.

Travel:
Up to 20% domestic or international travel may be required to support Prinova facilities, which may include occasional weekend or off-hours travel based on project needs.
Work Conditions & Physical Requirements:
  • Work is primarily performed in an office environment.
  • Must be able to lift up to 40 pounds for equipment installation.
  • After-hours work is required during maintenance windows or incidents.

Quality/Safety Responsibilities:
All Prinova employees are required to ensure compliance standards with food safety, food defense, and food quality (FDA, ILDPH, FSMA, and BRC).
It is the responsibility of each employee to comply with occupational safety and health standards issued under OSHA and to follow all rules, regulations, and procedures established by the Company to ensure that their actions do not impact the health and safety of themselves or others.
What's in it for you?
Competitive Pay - $120,000 - $140,000 annually
Experience, education, geographic location and shift all taken into consideration.
Benefits:
  • Medical, Dental, Vision
  • Employer paid STD and LTD
  • HSA and FSA
  • Paid Maternity and Paternity Leave
  • PTO
  • Employer paid Basic Life Insurance
  • 401(k) & Roth with employer match
  • Eight Paid Holidays + 3 Floating Holidays
  • Voluntary - Critical Illness, Hospital Indemnity, Accident
  • Personal growth including training and development opportunities

Disclaimer: Prinova is committed to providing equal opportunities without regard to race, color, religion, sex, pregnancy, creed, national origin, age, physical or mental disability, protected medical condition, medical leave, marital status, citizenship status, ancestry, veteran or military status, sexual orientation, genetic information, domestic violence victim status, Civil Air Patrol status, or any other characteristic or group status protected under applicable law.

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