50 firewall engineer jobs at 36 companies in Wheaton, IL

2w
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Network Operations Engineer
Singapore or London or Chicago or Austin or New York City or Sydney or Shanghai or Hong Kong or Taipei or Mumbai
OnsiteFull Time
Optiver
Optiver: Global market maker providing liquidity to financial markets.
10+ YOE10+ years as a senior network engineer/architect; experience designing and supporting complex LAN/WAN and DC environments (Arista, Cisco); Infrastructure as Code (IaC), multi-zone firewall architectures, Unix administration, monitoring and automation.
Arista, Cisco, Infrastructure as Code (IaC), Unix
1mo
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Telecommunications Project Engineer
Chicago or United States
RemoteFull Time
Tetra Tech
Tetra TechNASDAQ: TTEK: Global provider of high-end consulting and engineering services.
20+ YOE20+ years engineering experience; FAA/DoD telecom experience preferred; experience with LTE/4G/5G, VoIP, IP, Cloud, Carrier Ethernet, Pseudowire, GPS timing, firewalls, gateways, and fiber; project management skills; Microsoft Office 365 and KSN/SharePoint familiarity; ability to obtain Public Trust clearance; up to 20% travel.
Microsoft Office 365, KSN, Microsoft SharePoint
1w
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IT Security Engineer III
Niles or Fort Collins or Rockford
$105k-$168k/yr HybridFull Time
Woodward
WoodwardNASDAQ: WWD: Designs control solutions for aerospace and industrial markets.
Experienced network security engineer with deep firewall expertise, VPN/SASE/NAC knowledge, log analysis ability, and strong collaboration and problem-solving skills.
firewall, VPN, SASE, NAC
1w
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Senior Network Engineer
Chicago, Illinois, United States
$200k-$250k/yr OnsiteFull Time
Balyasny Asset Management
Balyasny Asset Management: Global multi-strategy investment firm managing diverse financial assets.
Expert network protocol knowledge (BGP, OSPF, PIM, IGMP), multi-vendor global network design, firewall/security experience, cloud networking (AWS, Microsoft Azure), network automation (Netbox, Ansible, Python, Terraform), and strong troubleshooting skills.
BGP, OSPF, PIM, IGMP, Palo Alto, AWS, Microsoft Azure, Netbox, Ansible, Jinja, Python, Git, Netconf, Restconf, Temporal, Terraform, Prometheus, Grafana, Telegraf, Cisco Telemetry, gNMI, YANG, Cisco Meraki, Cisco CUCM, Zoom Phone, WebEx Calling, Cloud9
1mo
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DevOps Engineer (FDE) Engineer
Chicago, Illinois, United States
$140k-$170k/yr HybridFull Time
ITRS Group
ITRS Group: Real-time IT monitoring and observability software for regulated industries.
7+ YOE7+ years DevOps experience with Kubernetes, Docker, Helm/ArgoCD/Flux, Linux administration, shell scripting, cloud (AWS/GCP/Azure), Git, programming (Python/Java/.NET), virtualization (VMware/ESXi), Jenkins, networking and security best practices.
Kubernetes, Docker, Helm, ArgoCD, Flux, Linux, Shell, TCP/IP, AWS, GCP, Azure, Git, Python, Java, .NET, VMware, ESXi, Jenkins, DNS, LDAP, Active Directory, Firewalls, VPN, Terraform, Ansible, Puppet, Chef, GitOps
1w
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Senior Network Engineer
Chicago, Illinois, United States
$200k-$250k/yr OnsiteFull Time
Balyasny Asset Management
Balyasny Asset Management: Global multi-strategy investment firm managing diverse alternative asset classes.
Expert knowledge of BGP/OSPF/PIM/IGMP, data center spine-leaf design, Palo Alto firewalls, cloud networking (AWS/Azure), network automation (Netbox, Ansible, Jinja, Python, Git, Netconf/Restconf, Temporal, Terraform), and ability to troubleshoot complex network issues; participate in 24/7 on-call rotation.
BGP, OSPF, PIM, IGMP, Palo Alto, AWS, Azure, Netbox, Ansible, Jinja, Python, Git, Netconf, Restconf, Temporal, Terraform, Prometheus, Grafana, Telegraf, Cisco Telemetry, gNMI, YANG, Cisco Meraki, Cisco CUCM, Zoom Phone, WebEx Calling, Cloud9
3mo
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Presales Engineer - Channel - HPE Networking
Chicago, Illinois, United States
$146k-$343k/yr RemoteFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides edge-to-cloud IT infrastructure and platform services.
7+ YOE7+ years in networking infrastructure/engineering or technical consulting; pre-sales or technical account support experience preferred; strong design, BOM, and solution presentation skills; vendor certifications in Aruba and/or Juniper.
Wireless, Switching, Routing, Firewalls, NAC, SD-WAN, Data Center Networking, Cloud Management, Automation
1w
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Network Engineer Advanced
Lincolnshire or Holtsville or Johnston
$109k-$163k/yr HybridFull Time
Zebra Technologies
Zebra TechnologiesNASDAQ: ZBRA: Provides enterprise-grade hardware and software for asset tracking.
8+ YOE8+ years enterprise network engineering and security experience; expertise with WAN/LAN, cloud networking, firewalls, Zscaler, data center automation; strong architecture, troubleshooting, and leadership skills.
Zscaler Internet Access (ZIA), Zscaler Private Access (ZPA), Zscaler Digital Experience (ZDX), Zscaler Branch Connectors (ZTB), Cisco Nexus Dashboard, HPE Mist Wireless, Cisco Meraki, Cisco Enterprise Wireless, Palo Alto Firewalls, BGP, OSPF, TCP/IP
3w
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Network Engineer - Operations
Overland Park or Kansas City or Chicago
$85k-$121k/yr HybridFull Time
Cboe
CboeBATS: CBOE: Operates global market infrastructure and provides tradable financial products.
2+ YOE2+ years network engineering experience with routing, switching, firewalls, packet analysis, UNIX/Linux, scripting/API automation, AWS networking and monitoring tools; strong troubleshooting and communication skills.
Cisco, Arista, Palo Alto, tcpdump, Wireshark, tshark, UNIX, Linux, AWS, Grafana, Corvil
1mo
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Senior Network Engineer [Onsite] [Not Eligible for Sponsorship, No H-1B]
Oak Brook, Illinois, United States
$90k-$120k/yr OnsiteFull Time
Republic Bank of Chicago
Republic Bank of Chicago: Community bank offering personalized business and personal financial solutions.
5+ YOE5+ years network engineering and system administration experience; expertise in TCP/IP, DNS, SNMP, WAN, VLANs, firewalls, VPN, VMware, Microsoft Active Directory, Microsoft Azure, SAN, and SQL Server; BS in IT or related field; on-call and weekend availability.
Microsoft Azure, VMware, Microsoft Active Directory, SQL Server, SQL Reporting Services, SAN, TCP/IP, DNS, SNMP, VLANs, VPN, firewalls, switches, wireless access points
3w
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Network Engineer
Downers Grove, Illinois, United States
$60k-$70k/yr HybridFull Time
Sentinel Technologies
Sentinel Technologies: Provides managed IT services and comprehensive technology solutions.
CCNA-level routing & switching expertise, experience in network engineering/support, knowledge of BGP/OSPF/EIGRP/VLAN/STP, familiarity with firewalls/DNS/DHCP/F5, troubleshooting skills, valid driver's license and vehicle insurance, US work authorization.
BGP, OSPF, EIGRP, VLANs, STP, F5 load balancers, DNS, DHCP, VMware, Cisco, Microsoft
1mo
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Infrastructure Engineer I
Chicago, Illinois, United States
$80k-$100k/yr OnsiteFull Time
EMPIST
EMPIST: Provides managed IT, cybersecurity, and cloud solutions for businesses.
5+ YOE5+ years networking/infrastructure engineering; strong firewall, switching, routing (Fortinet preferred); multi-tenant MSP experience; DNS/DHCP/VLAN, VPN, Azure/VMware familiarity.
Fortinet, Meraki, Aruba, Cisco, SD-WAN, VPN, Azure, VMware, Hyper-V, ITGlue, Microsoft 365
1mo
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Principal Systems Engineer (Chicago, IL, US)
Chicago, Illinois, United States
OnsiteFull Time
SES
SESEuronext Paris: SESG: Provides global satellite-based video and data connectivity services.
4+ YOELead design and development of IFEC systems and related networks; define system requirements; collaborate with product, software, and hardware teams.
Docker, VMs, Jama Connect, QUIC, TCP/IP, HTTP, 802.11, SD-WAN, firewalls, networking protocols
2mo
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Network Security Engineer
Lincolnshire or Virtual
$116k-$178k/yr RemoteFull Time
Camping World
Camping WorldNYSE: CWH: Retailer of recreational vehicles, camping gear, and maintenance services.
7+ YOESenior Network Security Engineer with 7–10 years of experience; expert in firewalls, SD-WAN, and SASE; skilled in NIST CSF, CIS Controls, ISO 27001; strong design, implementation, and leadership abilities.
Palo Alto, Fortinet, Cisco, NGFW, IPS, SWG, SD-WAN, SASE, Zscaler, NIST CSF, CIS Controls, ISO 27001
2w
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Sr. Security Engineer
Scottsdale or San Francisco or Chicago or New York City or Phoenix
$132k-$165k/yr HybridFull Time
Early Warning Services
Early Warning Services: Operates payment and risk solutions for the financial industry.
5+ YOEBachelor's or associate degree in CS/Engineering or equivalent experience; 5+ years IT experience with 3+ years in IT security; experience with vulnerability scanning, endpoint security, Linux/Windows administration, Python scripting, networking, firewall design, and SSL/TLS certificate management.
Python, JavaScript, Linux shell, PowerShell, Linux, Windows, SSL/TLS
1mo
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Network Engineer
Chicago, Illinois, United States
OnsiteFull Time
TransMarket Group
TransMarket Group: A global proprietary trading firm utilizing automated technology.
Seasoned network engineer with CCIE preferred; strong routing, multicast, VPN, low-latency networks; Python scripting; onsite presence required.
CCIE, TCP/IP, PIM, BGP, OSPF, multicast, firewall, site-to-site VPN, tcpdump, Python, network management software
3d
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IT Engineer - Network & Security
Naperville or Denver
$120k-$130k/yr HybridFull Time
PTMA Financial Solutions
PTMA Financial Solutions: Provides treasury and investment services to public sector entities.
3+ YOE3+ years in network/security or infrastructure engineering; SASE/firewall and cloud experience; EDR/SIEM/ITSM familiarity; ability to lift 30 lbs; occasional travel and rotating on-call duties.
SASE, Fortinet, Palo Alto, Netskope, Zscaler, EDR, SIEM, ITSM, Windows Server
1w
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Epic Cloud Network Engineer
West Norriton or Norristown or Secaucus or Schaumburg
$112k-$130k/yr HybridFull Time
Quest Diagnostics
Quest DiagnosticsNYSE: DGX: Provides clinical laboratory diagnostic testing and health information services.
6+ YOE6+ years enterprise network engineering experience (routing, switching, firewalls); bachelor’s degree or equivalent; cloud networking (Azure/AWS/GCP) experience; ServiceNow and Infrastructure as Code (Terraform) experience; strong communication and on-call support ability.
Azure, AWS, GCP, Terraform, ServiceNow, Epic, F5, Citrix ADC, Fortinet
4w
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Systems Engineer
United States or Chicago
RemoteFull Time
UpStream Global Services
UpStream Global Services: IT services firm providing software engineering and staffing solutions.
3+ YOE3+ years systems engineering or administration experience; strong Windows and Linux server knowledge; virtualization (VMware/Hyper-V); cloud familiarity (AWS, Microsoft Azure, Google Cloud); networking and monitoring skills.
Windows, Linux, VMware, Hyper-V, Amazon Web Services, Microsoft Azure, Google Cloud, TCP/IP, DNS, DHCP, VPNs, firewalls, system monitoring, automation, scripting
3mo
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Tier 3 Field Services Engineer
Naperville, Illinois, United States
$80k-$110k/yr HybridFull Time
WEBIT Services
WEBIT Services: Provides managed IT strategy and support for businesses.
3+ YOEBachelor’s degree in Computer Science or Information Technology, or 3+ years in Tier 3 support. Strong AD/O365/Azure, virtualization, networking, and firewall skills. CCNA/CompTIA Network+/VMware VCP or MCP preferred. Excellent communication and problem-solving abilities.
Active Directory, Office 365, Azure/InTune, Virtualization, Networking, Firewalls, VPN, DNS, DHCP, VMware