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73 firewall engineer jobs at 58 companies in Illinois

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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
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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
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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
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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
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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
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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
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Power Systems Automation Engineer
Lakewood or Fairview Heights or Boerne
$84k-$144k/yr OnsiteFull Time
Schweitzer Engineering Laboratories
Schweitzer Engineering Laboratories: Manufactures digital systems that protect and automate power grids.
3+ YOEBachelor's in Electrical Engineering or Computer Science; 3+ years in power systems automation and communication; experience with utility/industrial power systems, SCADA and protocols.
SCADA, DNP3, Modbus, IEC 61850, Ethernet/IP, OPC UA, RTUs, RTACs, IEDs, SEL Relays, PLC, HMI, Serial Communications, Ethernet, Firewalls, Security Gateways, Terminal Servers, Cellular Routers, Managed Switches, SDN, IEC 61131-3, Structured Text, Wireshark
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Principal OT Engineer Job detail
Alabama or Connecticut or Washington or Delaware or Florida or Atlanta or Georgia or Iowa or Illinois or Indiana or Kentucky or Louisiana or Massachusetts or Maryland or Maine or Michigan or Minnesota or Mississippi or North Carolina or North Dakota or New Hampshire or New Jersey or New York or Ohio or Pennsylvania or Rhode Island or South Carolina or Tennessee or Virginia or Vermont or Wisconsin or West Virginia
RemoteFull Time
Smurfit Westrock
Smurfit WestrockNYSE: SW: Manufacturer of sustainable paper and packaging solutions.
5+ YOEBachelor's in a technical discipline, 5+ years OT/industrial networking experience, hands-on L2/L3 networking and firewall configuration, OT protocol integration (OPC, Modbus, EtherNet/IP, MQTT), virtualization (VMware/Hyper-V), Windows/Linux, and AWS familiarity.
OPC UA, OPC DA, Modbus, EtherNet/IP, Profibus, Profinet, MQTT, VMware, Hyper-V, Windows Server, Linux, AWS, IoT Core, Kinesis, S3, Lambda, Glue, PI/AVEVA, Ignition, FactoryTalk, NetFlow, SNMP, syslog, SIEM, PowerShell, Python, Palo Alto, Fortinet, Cisco, Check Point, SCADA, Historian, PLC, DCS
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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
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Implementations/Activations Network Engineer II
Scott AFB, Illinois, United States
$70k-$76k/yr OnsiteFull Time
I2X Technologies
I2X Technologies: Providing engineering and IT services to federal government agencies.
2+ YOESecret clearance; BS with 2-4 years or MS with <2; on-site at Scott AFB IL; US citizenship; DoD/DISA knowledge; network engineering with BGP/ISIS, VPN, VLAN, TSOs/TSRs.
BGP, ISIS, OSPF, DHCP, DNS, TCP/IP, WAN, VPN, VLAN, VRF, Routers, Firewalls, Load Balancers
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Network Engineer
Belleville, Illinois, United States
OnsiteFull Time
Abacus Technology
Abacus Technology: Provides professional IT and engineering services to government agencies.
5+ YOE5+ years network engineering experience, Bachelor’s degree, CCNP, Top Secret clearance, experience with routers/switches/firewalls, server administration, SNMP/VoIP, and full engineering lifecycle.
SNMP, VoIP, Time Compliance Technical Orders (TCTO)
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Pre-Sales Engineer, Cybersecurity
California or Massachusetts or Texas or Illinois or New York or Florida or United States
$146k-$343k/yr RemoteFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides global edge-to-cloud technology solutions and IT infrastructure services.
5+ YOE5+ years in technical presales, sales engineering, or solution architecture for networking/security; hands-on SASE, Zero Trust, SD-WAN, firewall and networking knowledge; familiarity with IAM and public cloud (AWS/Azure/GCP); strong communication skills.
SASE, Zero Trust, SD-WAN, Security Service Edge (SSE), Zero Trust Network Access (ZTNA), Secure Web Gateway (SWG), Cloud Access Security Broker (CASB), Digital Experience Monitoring (DEM), IDS/IPS, firewall, IPsec, SSL-VPN, TCP/IP, DNS, TLS, HTTP/S, BGP, OSPF, SSO, SAML, OAuth, OIDC, AWS, Azure, Google Cloud
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Implementations Network Engineer II
Scott Air Force Base, Illinois, United States
OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
2+ YOEU.S. citizen with ability to obtain Top Secret clearance, active Secret preferred; BS degree with 2+ years network experience; DoD-8570 IAT Level 2 (Security+ CE); proficiency with Cisco/Juniper and routing protocols (BGP, ISIS).
Cisco, Juniper, BGP, ISIS, OSPF, DHCP, DNS, TCP/IP, WAN, VPN, VLAN, VRF, routers, load balancers, firewalls, SharePoint, DISA Storefront (DSF)
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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
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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
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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
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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
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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
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IT Network Engineer II
Ohio or Pennsylvania or Indiana or Illinois or Nevada or Florida or Arizona or Texas or Michigan or Tennessee or Colorado
$76k-$113k/yr RemoteFull Time
OSIS
OSIS: Technology services provider for community and federally qualified health centers.
3+ YOE3+ years network engineering experience in enterprise IT; CCNA or NSE4 required; strong routing, switching, firewall, VPN, OSPF, STP, IPSEC/SSL VPN, monitoring, troubleshooting, and on-call participation skills.
Cisco, Fortinet, OSPF, Spanning Tree Protocol (STP), IPSEC, SSL VPN, VPNs, Nexus, VRFs, MPLS, IP-SLA, Microsoft Active Directory
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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
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