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Network Firewall Jobs in Illinois (NOW HIRING)

MMD Services, Inc

Firewall Engineer

Naperville, IL · On-site

$47.25 - $63.50/hr

About the Role We are seeking a Senior-level Network Engineer with strong firewall architecture experience to plan, implement, and maintain critical technology platforms supporting global operations ...

Paradigm Corp.

IT Network Engineer III

Lombard, IL · On-site

$110 - $140/hr

Firewall & Network Engineering * Design, implement, administer, and support enterprise firewall‑centric network infrastructure, including firewall platforms, routing, switching, and wireless ...

paradigm

IT Network Engineer III

Lombard, IL · Hybrid

Firewall & Network Engineering * Design, implement, administer, and support enterprise firewallcentric network infrastructure, including firewall platforms, routing, switching, and wireless ...

paradigm

IT Network Engineer III

Lombard, IL · Hybrid

Firewall & Network Engineering * Design, implement, administer, and support enterprise firewallcentric network infrastructure, including firewall platforms, routing, switching, and wireless ...

Paradigm

IT Network Engineer III

Lombard, IL · On-site

$92K - $145K/yr

Firewall & Network Engineering * Design, implement, administer, and support enterprise firewall-centric network infrastructure, including firewall platforms, routing, switching, and wireless ...

Apptad, Inc.

Network Engineer

Lake Zurich, IL · On-site

Implement and manage firewall policies, NAT rules, VPNs (IPSec/SSL) * Perform rule optimization, cleanup, and policy governance aligned with security standards * Monitor network traffic, identify ...

NextRow Digital

Network Engineer

Chicago, IL · On-site

... firewalls ( Cisco ASA/FTD/Fortinet) and security concepts (IOS, NEXUS, Arista,VPN, ACL, STP, SNMP ... in network support, design and/or architecture on moderately complex networks (including hybrid ...

NextRow Digital

Network Engineer

Chicago, IL

Advanced knowledge of switches, firewalls ( Cisco ASA/FTD/Fortinet) and security concepts (IOS ... in network support, design and/or architecture on moderately complex networks (including hybrid ...

Request Technology, LLC

Network Engineer

Chicago, IL · On-site

Cisco FTD firewall administration Cisco ACI and AWS BGP OPF ISIS Lan Wan IPV VPN IPAM DNS This role is responsible for supporting, administering, and overseeing network support, design, and analysis ...

New

CYNET SYSTEMS

Network Engineer

Rosemont, IL · On-site

$52 - $57/hr

Strong hands-on experience with Fortinet firewalls, Cisco switching, and Juniper wireless ... Experience with Network Security and Firewall Policy Management. * Familiarity with Enterprise ...

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Network Firewall information

What is a network firewall?

Network firewalls are security devices or software designed to monitor and control incoming and outgoing network traffic based on predetermined security rules. They act as a barrier between a trusted internal network and untrusted external networks, such as the internet, to prevent unauthorized access and threats. Firewalls can be hardware-based, software-based, or a combination of both, and are essential components of modern cybersecurity strategies. They help protect sensitive data, maintain privacy, and ensure compliance with security policies.

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

To thrive as a Network Firewall Engineer, you need a strong understanding of network protocols, security principles, and firewall architecture, often supported by a degree in computer science or a relevant certification like Cisco CCNP Security or Palo Alto Networks certifications. Experience with firewall platforms (such as Cisco ASA, Palo Alto, or Fortinet), intrusion detection/prevention systems, and security information and event management (SIEM) tools is essential. Analytical thinking, problem-solving, and clear communication are vital soft skills for diagnosing issues and collaborating with IT teams. These skills and qualities are critical to effectively safeguarding organizational networks and ensuring compliance with security policies.

What are some typical challenges faced by professionals managing network firewalls, and how can they prepare for them?

Professionals managing network firewalls often encounter challenges such as keeping up with rapidly evolving security threats, ensuring firewall rules do not inadvertently block legitimate traffic, and maintaining compliance with organizational and regulatory standards. Staying current with security trends, regularly reviewing and updating firewall configurations, and collaborating closely with IT and security teams can help address these challenges. Proactive monitoring and ongoing training are also essential for effective firewall management and minimizing potential vulnerabilities.

What is the difference between Network Firewall vs Network Security Analyst?

AspectNetwork FirewallNetwork Security Analyst
Required CertificationsCompTIA Security+, Cisco CCNA, Cisco CCNPCompTIA Security+, CISSP, CEH
Work EnvironmentNetwork infrastructure, hardware and software configurationMonitoring, analyzing security threats, incident response
Employer & Industry UsageIT departments, cybersecurity firms, enterprisesIT security teams, cybersecurity consulting firms

Network Firewalls primarily focus on configuring and managing hardware or software devices that control incoming and outgoing network traffic based on security rules. Network Security Analysts analyze security data, monitor threats, and respond to incidents. While firewalls are a key tool used by analysts, their roles differ: firewalls are technical devices, whereas analysts interpret security data and develop strategies to protect networks.

How to become a network firewall expert?

To become a network firewall expert, gain a strong understanding of networking fundamentals, including TCP/IP and routing, and learn to configure and manage firewalls such as Cisco ASA, Palo Alto, or Fortinet. Earning industry certifications like CompTIA Security+, Cisco CCNA Security, or Palo Alto Networks Certified Network Security Engineer (PCNSE) can validate your skills and improve job prospects.

What are popular job titles related to Network Firewall jobs in Illinois?

For Network Firewall jobs in Illinois, the most frequently searched job titles are:

What job categories do people searching Network Firewall jobs in Illinois look for?

The top searched job categories for Network Firewall jobs in Illinois are:

What cities in Illinois are hiring for Network Firewall jobs?

Cities in Illinois with the most Network Firewall job openings:

Network Firewall jobs near you
Infographic showing various Network Firewall job openings in Illinois as of June 2026, with employment types broken down into 81% Full Time, 14% Part Time, and 5% Nights. Highlights an 83% Physical, 8% Hybrid, and 9% Remote job distribution.

Network Firewall Security Admin

E*Pro, Inc.

Lincolnshire, IL • On-site

Full-time

Re-posted 22 days ago

Job description

Company Description

E*Pro Consulting service offerings include contingent Staff Augmentation of IT professionals, Permanent Recruiting and Temp-to-Hire. In addition, our industry expertise and knowledge within financial services, Insurance, Telecom, Manufacturing, Technology, Media and Entertainment, Pharmaceutical, Health Care and service industries ensures our services are customized to meet specific needs. For more details please visit our website www.epro-tech.com

We have been retained for providing recruiting assistance, for direct hires, by one of the world-leading information technology consulting, services, and business process outsourcing organization that envisioned and pioneered the adoption of the flexible global business practices that today enable companies to operate more efficiently and produce more value.

Job Description

Job Title :       Network Firewall Security Admin

Location  :      Lincolnshire, IL

Job Type :      Permanent Full Time

Work Status:   US Citizen/ Green Card Holder/ EAD (GC)

Job Description:

  • Preliminary design and support for major Security/firewall areas
  • Responsible for delivering strategic enterprise-wide firewall architecture services
  • Troubleshooting L4 issues (Checkpoint & Fortinet Firewalls/IPsec VPN) escalated by Level 3 engineers
  • Parallel work with Network Architects for development of Firewall frameworks and concepts to be used as roadmaps for the business, gap analysis, metrics, reporting and for management to visualize concepts to make a business decisions
  • Efficiently translate project architecture/environment diagrams to formulate appropriate questions to identify security gaps in the firewall architecture and will ensure project completion and deliverables are met
  • Experience with Fortinet firewalls, and an in depth knowledge and experience with the FortiManager/FortiAnalyzer
  • Experience with Checkpoint Firewall-1 and Provider-1
  • Experience with Unix/Linux/Secure Platform Operating Systems, system internals and tools
  • Experience with common hardware components such as PCs, servers, Network interface cards, hard drives, memory, serial, parallel, USB and other interfaces
  • Knowledge of firewall/security and networking architecture
  • Knowledge of Cisco ASA, in an SSL/VPN configuration
  • Knowledge of Juniper SA6500 in an SSL/VPN configuration
  • Understanding of Cisco switching and router platforms
  • Experience with Firewall Virtualization technology solution, such as VMware
  • Experience with site to site VPN tunnels
  • Experience with programming languages Perl, Korn/Bash
  • Experience with network protocols and RFC's
  • Ability to execute / track multiple projects, involving multiple firewall technologies
Additional Information

If you are interested, please send across your resume to s[email protected]  OR you can reach me @ 732-283-0499 X 363

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