192 sr network engineer jobs at 116 companies in Aurora, IL

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Sr. Network Engineer
Scottsdale or San Francisco or Chicago or New York City
$94k-$130k/yr HybridFull Time
Early Warning Services
Early Warning Services: Operates payment and risk solutions for the financial industry.
5+ YOEBachelor's or equivalent; 5+ years network engineering experience; expertise in LAN/WAN, routing protocols (BGP, OSPF, EIGRP), firewalls, load balancers, cloud networking (AWS), virtualization, scripting/automation (Python, Bash, Ansible); pass background and drug screen.
BGP, OSPF, EIGRP, Cisco, Palo Alto, F5, ESX, vSwitch, VDS, Python, Bash, Ansible, AWS, TCP/IP, DNS, DHCP, HTTP/S, SSH, SMTP
3w
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Sr. Network Engineer
Muscatine or Davenport or Chicago
OnsiteFull Time
HNI Corporation
HNI CorporationNYSE: HNI: Designs and manufactures office furniture and residential hearth products.
5+ YOE5+ years enterprise IP networking experience, wireless expertise, Cisco platform knowledge, scripting/automation (Ansible/Python), routing/switching/security, on-call support, bachelor’s degree or equivalent experience.
Ansible, Python, Cisco IOS, NX-OS, Edge Connect SD-WAN, Palo Alto, F5, Citrix
1w
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Advanced Network Engineer
Rosemont, Illinois, United States
$85k-$110k/yr HybridFull Time
Wintrust Financial Corporation
Wintrust Financial CorporationNASDAQ: WTFC: Provides community banking, commercial finance, and wealth management services.
5+ YOEManage and troubleshoot WAN/LAN/wireless networks, maintain documentation and policies, perform audits, racking and cabling, and support projects; CCNA required, 5+ years network engineering experience, scripting familiarity.
SolarWinds, Cisco, SD-WAN, Cisco ISE, Cisco ADI, Infoblox, Meraki Enterprise Wireless, Bash, Perl, Python, DHCP
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Principal Network Engineer
Chicago or New York City
$164k-$241k/yr HybridFull Time
Cboe
CboeBATS: CBOE: Operates global market infrastructure and provides tradable financial products.
10+ YOE10+ years network engineering experience in low-latency environments, expert routing (BGP/OSPF/MPLS), Python automation, observability (Prometheus, Grafana), AWS hybrid networking, and strong communication skills.
Python, Prometheus, Grafana, AWS Direct Connect, Transit Gateway, VPCs, BGP, OSPF, MPLS, PIM-SM/SSM, SSH, API
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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
2w
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Network Engineer Senior
Johnston or Holtsville or Lincolnshire
$97k-$145k/yr HybridFull Time
Zebra Technologies
Zebra TechnologiesNASDAQ: ZBRA: Provides enterprise-grade hardware and software for asset tracking.
5+ YOEBachelor's or equivalent,5+ years enterprise network engineering experience, expertise with Zscaler, Cisco Nexus, HPE Mist, Meraki, Palo Alto; strong routing (BGP,OSPF), cloud (AWS,Azure,GCP), and security 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, AWS, Azure, GCP
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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
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
4w
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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
3mo
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Network Systems Engineer
Itasca, Illinois, United States
$120k-$140k/yr OnsiteFull Time
Prinova
Prinova: Supplies food ingredients, nutritional premixes, and manufacturing solutions.
5+ YOE5+ years network/systems engineering experience; Bachelor's degree or equivalent; experience with enterprise networking, Windows Server, virtualization, Azure/M365; strong security and troubleshooting skills.
Windows Server, Active Directory, Group Policy, VMware, Hyper-V, Microsoft Azure, M365, Microsoft Sentinel, Splunk
3mo
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Network Engineer - Advanced Level
Oak Brook, Illinois, United States
HybridFull Time
Pan-American Life Insurance Group
Pan-American Life Insurance Group: Provides life, health, and accident insurance throughout the Americas.
5+ YOESenior network engineer with 5+ years in enterprise networking (LAN/WAN/SD-WAN), VoIP, security, cloud connectivity; strong Cisco/HPE, Palo Alto, AWS; architecture, security, and automation experience.
Cisco routers, Cisco switches, HPE switches, Aruba EdgeConnect (Silver Peak), Aruba Wireless, Palo Alto Firewall, Cisco Firewall, AWS Networking, BGP, NetBrain
1mo
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Senior Network Engineer
Carol Stream, Illinois, United States
$125k-$140k/yr OnsiteFull Time
OSG
OSG: Provides customer communication management and payment processing solutions.
10+ YOEBachelor's in Computer Science or related field; 10+ years in enterprise/network engineering; strong routing protocols; hands-on with HPE/Mellanox gear; cloud networking; IT security and compliance knowledge.
HPE Switching, Mellanox, Cisco, Fortinet, Palo Alto, SonicWall, AWS, Google Cloud, Azure, BGP, OSPF, EIGRP, TCP/IP, VLAN, MPLS
1w
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Senior Network Engineer
Austin or Chicago
$82k-$115k/yr HybridFull Time
Corient
Corient: Fiduciary wealth management services for high-net-worth individuals and families.
5+ YOEBachelor's in a technical field,5+ years enterprise network experience,Cisco Meraki, firewall, LAN/WAN/VPN/wireless,EMR not applicable,ISE and FTD familiarity,CCNP preferred,Azure networking and automation experience.
Cisco Meraki, Cisco Identity Services Engine (ISE), Cisco Firepower Threat Defense (FTD), Firepower Management Center (FMC), Wireshark, PowerShell, Python, REST APIs, Microsoft Azure, LogicMonitor, SolarWinds, PRTG, ThousandEyes, OSPF, BGP, Cisco Meraki AutoVPN
2mo
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Network Operations Engineer
Denver or Newton County or Cedar Rapids or DeKalb
$107k-$159k/yr OnsiteFull Time
Meta
MetaNASDAQ: META: Develops social networking platforms and virtual reality technologies.
4+ YOEBachelor's in CS/CE or equivalent; 4+ years in large-scale network/infrastructure; experience with optical/network gear; vendor coordination; network services knowledge; leadership ability; travel up to 25%.
Cisco, Juniper, Arista, Nokia, Ciena, Infinera, WDM equipment, test gear
3w
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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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ASSOCIATE DIRECTOR, INFRASTRUCTURE NETWORK ENGINEER
Chicago or San Francisco
$150k-$175k/yr OnsiteFull Time
Cresset
Cresset: Cresset provides personalized wealth management and family office services.
6+ YOE6+ years in IT infrastructure with strong Cisco Meraki and network engineering skills, Microsoft 365 and Windows experience, troubleshooting across LAN/WAN/VPN, documentation, and ability to support off-hours/on-call work.
Cisco Meraki, Meraki Dashboard, Microsoft 365, Windows Server, Microsoft Entra ID, Azure, Intune, Exchange Online, Microsoft Teams, SharePoint, PowerShell, Python, APIs
6d
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Principal Network Engineer z/OS
Saint Paul or Atlanta or Cupertino or New York City or Chicago or Denver or Charlotte or Brookfield or Earth City
$120k-$141k/yr HybridFull Time
U.S. Bank
U.S. BankNYSE: USB: Provider of personal, business, and institutional financial services.
7+ YOE7+ years IT experience managing mainframe network services; expertise with z/OS Communications Server, VTAM, TCP/IP, TN3270, GDPS, TPX, Connect:Direct, SMP/E; associate degree or equivalent; on-call support.
IBM z/OS Communications Server, VTAM, TCP/IP, TN3270, GDPS, TPX Session Manager, Connect:Direct, FTP, SFTP, FTPS, FTP-AT/TLS, SMP/E
1mo
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Network Systems Engineer (Pre Sales) - Trading Platforms
Chicago, Illinois, United States
$130k-$175k/yr OnsiteFull Time
Arista Networks
Arista NetworksNYSE: ANET: Provides cloud networking solutions and high-speed multilayer Ethernet switches.
5+ YOEMinimum 5 years networking design and implementation experience (data center, campus, Wi‑Fi, security); routing & switching expertise; strong presentation and customer-facing skills; Python/Ansible and Arista ACE certification desired.
Python, Ansible
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Distinguished Engineer (Global Network)
McLean or San Francisco or Richmond or Chicago or New York City or Plano
$245k-$335k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
7+ YOEBachelor's degree, 7+ years software and network engineering experience, expertise in networking (BGP, SD-WAN, Wi‑Fi), coding experience in languages like Java, Python, Go, JavaScript/TypeScript, and cloud/infrastructure automation experience.
Java, Python, Go, JavaScript, TypeScript, Swift, BGP, Wi‑Fi, SD-WAN, Cloud Networking, Data Center Networking
3mo
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Senior Network Security Engineer
Chicago, Illinois, United States
$80k-$92k/yr HybridFull Time
NPO USA
NPO USA: Provides managed IT services, cloud solutions, and cybersecurity.
5+ YOE5+ years in Network Security Engineering; hands-on with NGFW, SASE, multi-vendor environments; strong vendor experience; certifications preferred.
Palo Alto Networks (NGFW, Panorama), Prisma Access, GlobalProtect, Fortinet FortiGate (VDOM, SD-WAN, SSL Inspection), FortiManager, FortiAnalyzer, Cisco Firepower/FTD, ASA, Cisco ISE, TrustSec, F5 BIG-IP (LTM, APM, AWAF)