Top Network Engineer Jobs in Chicago, IL

Support implementation and ongoing support of Riverbed Steelhead Mobile and Steelhead CX devices; design, operate, and maintain complex LAN/WAN/MAN/wireless environments; implement Riverbed, Cisco, and F5 solutions; coordinate with security teams; support mission-critical enterprise infrastructure for United Airlines.

Hands-on network engineer (CCNP+) responsible for L2/L3 design, routing (OSPF/BGP/EIGRP), Cisco router/switch platforms, WLAN/Aruba, security technologies, implementations, after-hours installs, documentation, and change-management adherence.

The Network Engineer will support DARPA by managing DCO capabilities, troubleshoot networks, and deploy sensor platforms in various environments.

Lead strategy and execution for scalable compute and edge network infrastructure spanning on-premise and cloud. Automate distributed connectivity, drive software-first solutions for service routing and traffic engineering, ensure performance and operability, decompose complex problems, produce reusable artifacts, and mentor engineering teams.

The Network Engineer will support real-time trading, handle network configuration/troubleshooting, and work with automation tools. Responsibilities include managing Layer-2/Layer-3 services and packet analysis in production environments.

The Network Engineer supports ISP/MSP customers, managing SDWAN networks, troubleshooting LAN setups, and configuring routers and firewalls. Responsibilities include customer support, issue resolution, and mentoring.

As a Staff Network Engineer at D-Wave, you'll design, implement, and maintain networking infrastructure, manage AWS environments, and ensure network security, while mentoring junior team members.

Lead architecture, design, and deployment of cloud and hybrid network solutions. Design/configure routers, switches, firewalls, VPNs; manage segmentation, routing (BGP/OSPF), NAT, monitoring, troubleshooting, and on-call support.

The Network Engineer will label, annotate, and structure data from networks, supporting the development of AI-driven infrastructure solutions.

Design, deploy, and operate large-scale RDMA/RoCE network fabrics for OCI AI/HPC customers. Lead lifecycle and incident management, perform root cause analysis, develop automation and tooling, collaborate with product and vendor teams, and mentor junior engineers to improve reliability and operational readiness.

Design, build, and manage low-latency, high-performance networking infrastructure for large-scale AI training in Azure. Test and validate devices and firmware, automate deployments, monitor telemetry, troubleshoot live site incidents, participate in on-call duties, and guide datacenter staff on secure hardware operations.

The Network Engineer will leverage 3+ years of experience in network and systems administration to manage communications systems, troubleshoot issues, and provide technical support.

Provide Tier 1 network engineering support for government customers: troubleshoot connectivity and hardware issues, monitor network health, perform routine maintenance tasks, escalate complex incidents to higher tiers, document actions in ticketing systems, and assist end users with basic networking needs.

Design and maintain large-scale networks, automate network management with Go and Python, and collaborate with engineering teams to optimize performance.

Operate and maintain IP networking in a 24/7 SaaS environment. Troubleshoot network issues, manage service providers and equipment, perform capacity planning, execute network changes, assist with network activations, and participate in projects to improve WAN/connectivity and integrate partners and acquisitions.

Lead design, implementation, automation, and security operations for Azure cloud networking in FedRAMP High/IL4 environments. Build modular IaC (Terraform, ARM, Bicep), implement advanced networking and firewall controls, mentor team members, participate in on-call support, and translate compliance controls into enforceable guardrails.

Lead and support a global Army network migration and operations: assess legacy environments, design/implement secure SD-WAN/MPLS/VRF routing, optimize performance, enforce DoD security/STIGs, document designs, and direct operations support staff.

Provide first-line network support: troubleshoot connectivity and hardware issues, monitor network performance, perform routine maintenance, escalate complex incidents to higher tiers, document ticket resolutions, and assist end users with basic networking needs.

Design and evolve ultra-low-latency global networks across data centers, colocation, and cloud. Lead routing, scalability, lab validation, automation (Python), observability, and high-complexity migrations while mentoring engineers and producing regulatory and operational documentation.

Design, implement, and support enterprise cloud network infrastructure across Azure, OCI, and GCP. Manage firewalls, Cisco devices, VPNs, VPCs, and virtual networking; deploy configurations with Terraform (including AWS security groups); enforce STIG/IAVM compliance; monitor performance; provide Level-2/3 troubleshooting and participate in 24/7 on-call rotation.

Support, maintain, and improve enterprise LAN/WAN/wireless, SD-WAN, VPN/remote access, and firewall environments. Troubleshoot connectivity, monitor network health, execute upgrades and changes, maintain documentation, collaborate with stakeholders and vendors, and provide occasional on-call and voice system support.

Designs, implements, and maintains cloud and on‑prem network infrastructure with IaC (Terraform/CloudFormation/Ansible), supports AWS environments, builds CI/CD pipelines, authors technical documentation, troubleshoots escalations, and collaborates with Cloud Architects and product teams in a remote Agile environment.

Operate and lead data-center LAN infrastructure in a 24/7 SaaS environment. Own troubleshooting, incident response, and change management across Cisco Nexus, Palo Alto, and F5 platforms. Drive projects, architecture (VXLAN/EVPN), automation (Ansible, Terraform, Python), observability (Prometheus, Grafana, SolarWinds), and cloud networking (AWS, GCP). Mentor junior engineers, participate in on-call rotation, and define operational standards, reliability metrics (SLI/SLO), and preventive engineering.

Support and secure federal customer network, server, storage, backup, and application environments. Administer Windows servers, storage arrays, Commvault backups, Cisco switches, Oracle/SharePoint/Tableau/Java applications, and RPA (UiPath). Provide SME representation, dashboards, SQL/database support, accessibility testing (JAWS, WAVE), change control, and executive reporting with 60-minute response SLAs.

As a Network Engineer, you will resolve network issues, improve operations through automation, mentor juniors, and interact with clients.