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33 network operations engineer jobs at 29 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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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
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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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Network Operations Engineer
Chicago, Illinois, United States
$130k-$150k/yr HybridFull Time
Pico
Pico: Provides managed infrastructure and data services to financial markets.
10+ YOETen years in a large enterprise or service provider; CCNP (CCIE or equivalent preferred); strong written/verbal communication; ability to prioritize; experience in financial industry preferred.
Arista, Cisco Nexus, Cisco ASA, Fortigate, Palo Alto, Corvil, Python, Ansible, Git
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Joint Fires Network (JFN) Engineer III
Scott Air Force Base, Illinois, United States
OnsiteFull Time
Novul Solutions
Novul Solutions: Providing cybersecurity, software engineering, and IT solutions for government.
4+ YOEBachelor's degree and 4+ years network/telecom experience; active DoD Top Secret/SCI clearance; Security+ CE (or DoD 8570 IAT II); experience with routers, switches, transport networks, fault/isolation and NOC operations.
Cisco Routers and Switches, Juniper Networking Technologies, MPLS Networks, Optical Transport Networks (OTN), SDH/SONET, Time Division Multiplexing (TDM), Cryptographic Devices, SolarWinds, JIRA, ServiceNow, Microsoft Outlook, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Microsoft Access, Microsoft Teams
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Director of Field Network Operations
East Peoria, Illinois, United States
$120k-$160k/yr OnsiteFull Time
i3 Broadband
i3 Broadband: Provides fiber-optic internet, television, and voice services to consumers.
10+ YOE7+ MgmtBachelor's degree (or equivalent) and 10+ years telecom/broadband operations experience; 7+ years leadership; proven incident management, budgeting, vendor oversight, and safety compliance.
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1mo
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OT Network Engineer II - Decatur, IL
Decatur, Illinois, United States
$84k-$135k/yr OnsiteFull Time
ADM
ADMNYSE: ADM: Processes agricultural commodities into human and animal nutrition ingredients.
Bachelor's in a technical field required; experience with enterprise/plant network lifecycle, switch programming, OT protocols (DNP3, Modbus, IEC 61850, OPC, PROFINET); support 24/7 plant operations; travel and on-call as needed.
Rockwell, Emerson DeltaV, Valmet (Novatech) D/3, TCP/IP, UDP, DNP3, Modbus, IEC 61850, OPC, OPC UA, PROFINET
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Senior Data Center Network Engineer
East Peoria or Nashville or Irving
$113k-$183k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
Design, deploy, and operate enterprise data center networks (Cisco ACI & Nexus, Radware); provide lifecycle management, troubleshooting, on-call support, and implement security/IT controls. CCNA preferred; bachelor’s degree preferred.
Cisco Nexus, NX-OS, Cisco Application Centric Infrastructure (ACI), Radware Alteon, Application Delivery Controller (Network Load Balancer)
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Senior Platform Engineer, Network Infrastructure - DGX Cloud
Santa Clara or Illinois or Washington or California or Massachusetts or United States
$168k-$334k/yr HybridFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.
8+ YOE8+ years building or operating production Kubernetes platforms, proficiency in Go or Python, GitOps, CI/CD, production on-call and incident response, and experience with network infrastructure or distributed systems.
Kubernetes, Cluster API (CAPI), Metal3, Go, Python, GitOps, CI/CD
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Security Operations Engineer
Chicago, Illinois, United States
$90k-$100k/yr OnsiteFull Time
Hopscotch Primary Care
Hopscotch Primary Care: Provides value-based primary care for seniors in rural areas.
4+ YOE4+ years IT systems administration or security experience; hands-on Google Workspace and Slack administration; experience building SaaS API integrations, SOC/SIEM/IPS monitoring; CompTIA A+ or Network+ preferred; degree preferred but not required.
Microsoft 365, Microsoft Azure, Microsoft Azure AD, Google Workspace, Slack, Microsoft SharePoint, Microsoft Office 365, SOC, SIEM, IPS, Managed Detection and Response (MXDR), SCIM, SSO, HRIS, SaaS APIs, Identity & Access Management (IAM)
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Lead OT Network Systems
Chicago, Illinois, United States
$142k-$177k/yr OnsiteFull Time
Kraft Heinz
Kraft HeinzNASDAQ: KHC: Produces and sells condiments, dairy products, and packaged foods.
7+ YOETechnical leader for OT infrastructure and cybersecurity across manufacturing sites; requires 7+ years OT infrastructure/automation/industrial networking or OT cybersecurity experience, bachelor\u0002s degree (or equivalent), expertise with Allen-Bradley/Rockwell, VMware, Windows, Claroty, EDR/NDR, micro-segmentation, incident response, and OT SOC ...
Allen-Bradley, Rockwell IDC, VMware, Windows, Claroty, CTD, xDome, EDR, NDR, micro-segmentation, Purdue reference architecture, IEC 62443, NIST CSF
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Vice President, Lead Engineer - Infrastructure Operations
Chicago or Atlanta or New York City
$175k-$190k/yr OnsiteFull Time
Antares Capital
Antares Capital: Provides credit and asset management for middle-market businesses.
10+ YOE5+ MgmtBachelor's in IT/CS/Engineering or equivalent, 10+ years enterprise infrastructure experience, 5+ years people management, OS and network administration, cloud IaaS OS-level management, endpoint and identity services experience.
Azure, AWS, PowerShell, Python, SD-WAN, VLANs, DHCP, DNS, Infrastructure-as-Code
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Lead Platform Engineer (Cloud Operations Resilience Engineering)
Riverwoods, Illinois, United States
$150k-$171k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
6+ YOE2+ MgmtLead Platform Engineer with 6+ years in build/deploy tools, 4+ years AWS, 2+ years of leadership; strong DevOps, Python/Ansible/Terraform, AWS, networking.
AWS, Python, Ansible, Terraform, Docker, ECS, Jenkins, GitHub, Artifactory
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Senior Platform Engineer, Network Infrastructure - DGX Cloud
Santa Clara or Illinois or United States or Washington or California or Massachusetts
$168k-$334k/yr OnsiteFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs graphics processing units and artificial intelligence hardware.
8+ YOE8+ years building or operating production Kubernetes platforms, proficiency in Go or Python, GitOps, infra-as-code, CI/CD, production on-call and incident response.
Kubernetes, GitOps, Cluster API, Metal3, Go, Python, CI/CD
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Operational Technology Engineer
Schaumburg, Illinois, United States
$105k-$125k/yr FieldFull Time
Novaspect
Novaspect: Delivers industrial process controls, valves, and automation systems.
4+ YOE4-6 years control system engineering experience, bachelor’s in engineering or equivalent technical experience, Windows/virtualization and cybersecurity fundamentals, DCS and network troubleshooting, strong communication and customer-facing skills.
Microsoft Windows, Microsoft Active Directory, DNS, Terminal Services, Group Policy, Symantec, McAfee, Acronis, TCP/IP, Hyper-V, VMware, Distributed Control System (DCS)
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Electronic Field Engineer
Lafayette or Indianapolis or Indiana or Illinois or Missouri
FieldFull Time
Wabash Valley Power Alliance
Wabash Valley Power Alliance: Generates and transmits wholesale power to regional member cooperatives.
1+ YOEBachelor's in electronic/engineering/computer technology, 1+ year electronic/technical experience or military technical training, operational understanding of computer technology and networking, SCADA/RTU/IED/EMS experience preferred; must drive service van and be available for outages.
SCADA, RTU, IED, Front End Processors, SCADA Workstations, EMS, LAN, WAN
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Campus Systems Engineer (Intern)
Chicago, Illinois, United States
OnsiteInternship
Jump Trading
Jump Trading: Global proprietary trading firm specializing in algorithmic and high-frequency strategies
Pursuing a technical degree; experience with Linux/UNIX, shell scripting, Python, and networking concepts; strong operational focus and ability to communicate under pressure.
Linux, UNIX, Python
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4d
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Principal Cloud Engineer Azure
Chicago or New York or Florida or California or Texas
$112k-$209k/yr HybridFull Time
BMO
BMOTSX: BMO: Provides personal and commercial banking, investment, and wealth services.
8+ YOE8+ years Azure enterprise experience, expert in Terraform, IaC, CI/CD, Azure networking, security, and cloud operations; programming fluency in one or more languages (Python, node.js, Java, C#, C++).
Azure, Terraform, Azure DevOps, GitHub Actions, Azure Monitor, Log Analytics, Application Insights, Defender for Cloud, Python, node.js, java, c#, c++
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Operational Technology Engineer (Kankakee, Illinois, US, 60901)
Kankakee or Urbana
$78k-$119k/yr OnsiteFull Time
Merck
MerckXETRA: MRK: A science and technology providing healthcare, life science, and electronics solutions.
2+ YOEBachelor's in engineering, 2+ years industrial controls experience, PLC (Allen-Bradley/Siemens) programming, 1+ year HMI/SCADA and industrial networking (Ethernet/IP, Profinet, Modbus TCP, DeviceNet). Knowledge of IEC safety and ISA alarm standards.
PLC, DCS, HMI, SCADA, FactoryTalk View, Ignition, WinCC, Allen-Bradley (Rockwell Automation), Siemens, Ethernet/IP, Profinet, Modbus TCP, DeviceNet, Emerson DeltaV, Honeywell Experion, ABB 800xA, METESYS, Automated Logic, IIoT, OSIsoft PI, Wonderware, MES
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6d
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Tier 3 -Engineer 4, Excellence in Operations (Onsite)
Plano or Naperville
$91k-$143k/yr HybridFull Time
Comcast
ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.
7+ YOE5–10 years networking experience with Fortinet/Cisco/Juniper; Fortinet Professional required; bachelor\u0002s preferred; must be authorized to work in the U.S.; onsite 4 days/week and able to work nights/weekends.
Fortinet, Cisco, Juniper, SDWAN, Cisco ASA, Juniper SRX, Checkpoint NG
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