Top Network Engineer Jobs in Chicago, IL

Designs, develops, and operates enterprise integration solutions connecting applications, APIs, data sources, and cloud platforms. Leads complex integrations across Salesforce, GCP, and other systems; defines integration standards and reference architectures; ensures scalability, resilience, availability, security, and observability; collaborates with product, software, data, infrastructure, and architecture teams; and mentors engineers while advancing automation and modern engineering practices.

Designs, implements, and maintains large-scale distributed networks supporting a DoD Zero Trust program. Responsibilities include SD-WAN architecture, router, switch, and firewall administration, network upgrades, troubleshooting, traffic analysis, documentation, disaster recovery, standards compliance, and coordination with IT teams and vendors. The role serves as a Zero Trust network architecture subject matter expert, mentors junior engineers, and supports installations and migrations across multiple global locations.

Designs, deploys, configures, and supports cloud network infrastructure across Azure, OCI, GCP, and AWS. Manages Palo Alto and Cisco firewalls, VPNs, routers, load balancers, subnets, security groups, and network access controls. Performs network monitoring, maintenance, upgrades, capacity planning, troubleshooting, and Level 2/3 support. Uses Terraform for infrastructure automation and supports EKS clusters, cloud security, IAM, STIGs, and vulnerability management. Participates in a required 24/7 on-call rotation.

Supports LAN and WLAN network surveys, modernization design, cost analysis, configuration, installation, and implementation of routers, switches, wireless controllers, and access points. Assists with VLAN and IP migrations, cybersecurity compliance, implementation plans, documentation, and hardware materials lists. The role requires an active Secret clearance, U.S. citizenship, engineering education or equivalent experience, network certifications, and 60–75% domestic travel.

Leads the planning, design, installation, migration, testing, troubleshooting, and maintenance of LAN/WLAN and telecommunications networks. Configures routers, switches, wireless controllers, VLANs, and IP addressing; develops implementation plans, technical documentation, bills of materials, and cost analyses. The role requires active Secret clearance, U.S. citizenship, extensive network engineering experience, relevant Cisco, Juniper, or Ruckus certification, IAT Level II certification, and 60–75% travel.

Designs, deploys, and operates high-performance InfiniBand and RoCE networking fabrics for GPU clusters, customer connectivity, and multi-site WAN infrastructure. Manages routing, switching, BGP peering, VLAN/VRF/VPC architectures, automation, monitoring, troubleshooting, documentation, capacity planning, and security audits. Requires deep data center or service provider networking expertise, advanced routing knowledge, and hands-on experience with Arista, NVIDIA, or Cisco platforms.

Design, build, and maintain AI-powered B2B SaaS products across frontend, backend, and AI. Own projects end-to-end, collaborate with product and design, ensure maintainability, mentor teammates, and inform roadmap and implementation decisions.

Oversee global data center network and server infrastructure operations. Deploy, repair, install, and decommission servers, storage systems, routers, switches, cabling, firmware, and software. Coordinate hardware shipments, inventory, rack design, migrations, platform upgrades, data destruction, and data center deployments. Monitor infrastructure availability, troubleshoot large-scale hardware and networking issues, and collaborate with Network Operations Centers and on-site technicians worldwide.

Supports and delivers managed network services for ISP and MSP customers. Responsibilities include troubleshooting and configuring SD-WAN, routers, firewalls, VPNs, VoIP, data circuits, Microsoft systems, and LAN environments; provisioning new customers; coordinating with vendors; resolving issues through completion; maintaining customer relationships; and mentoring engineers. The role emphasizes Versa Networks, firewall configuration, BGP, OSPF, VRRP, NAT, network design, and QoS.

Participates in AHEAD’s associate development program, beginning with three months of network training before supporting client projects. Collaborates across teams, analyzes technical issues, recommends solutions, manages competing priorities, and delivers projects on schedule. Requires infrastructure experience, technical education or equivalent training, data center knowledge, U.S. work authorization, and willingness to travel more than 50%. Preferred certifications include CCENT, CCNA, Network+, Server+, Security+, VCTA, and CCA-V.

Owns the architecture, implementation, monitoring, security, and support of a hybrid enterprise network spanning physical sites, AWS, Azure, and remote users. Leads cloud connectivity modernization, network deployments, troubleshooting, incident response, automation, documentation, vendor relationships, and resilience improvements. Provides technical mentorship and participates in on-call support.

Designs, deploys, operates, and optimizes low-latency research, enterprise, and trading networks. Responsibilities include troubleshooting complex network, hardware, cabling, and optics issues; developing Python automation and monitoring tools; maintaining networking standards; ensuring scalability and reliability; and guiding teams on networking protocols and infrastructure strategy.

Serves as a Tier 1 Network Operations Center responder for a federal enterprise network spanning approximately 50 sites. Responsibilities include ticket triage and ownership in ServiceNow, connectivity diagnostics, switch port resets, alarm monitoring, SLA-based escalation, stakeholder updates, service request processing, documentation, topology and asset inventory maintenance, and support for Cisco, firewall, and enterprise network infrastructure. The role also contributes to monitoring configuration, reporting, and knowledge-base development.

Designs, deploys, and supports enterprise network solutions for healthcare and business clients. Leads network architecture, infrastructure modernization, and data center initiatives; advises clients, supports consulting and pre-sales engagements, mentors engineers, and coordinates with vendors and internal teams. Participates in an after-hours on-call rotation for critical network escalations.

Designs and deploys network infrastructure for office openings, relocations, and refreshes. Configures firewalls, switches, wireless networks, VPNs, SD-WAN, routing, and related services. Coordinates with ISPs, contractors, and vendors; troubleshoots connectivity issues; creates technical documentation; and supports cutovers, validation, handoff, and ongoing operations. The role owns technical project tasks from planning through completion and requires occasional off-hours work and regular travel.

Design, operate, and improve high-performance wireless networks for financial markets. Responsibilities include monitoring and telemetry platforms, device integrations, RF path design, frequency coordination, wireline and optical transport, link commissioning, incident response, production change management, regulatory research, site development, and automation. The role requires Python, Linux, networking, RF expertise, rigorous operational practices, international travel, and participation in a global on-call rotation.

Provides staff-level customer-facing technical support for complex multi-cloud networking and security issues. Serves as an escalation point, leading troubleshooting, packet analysis, root cause analysis, deployments, integrations, optimization, and upgrades. Collaborates with sales, solution engineering, and product engineering teams; identifies defects, validates fixes, and improves product quality. Develops technical documentation, runbooks, and troubleshooting guides while advising leadership on recurring customer issues.

Designs, deploys, and troubleshoots enterprise cloud and hybrid network infrastructure across Azure, OpenShift, corporate offices, and security platforms. Administers FortiGate, FortiSASE, Cisco Meraki, Cloudflare, DNS, load balancing, ingress controllers, and Kubernetes networking. Partners with application, security, and cloud teams on deployments and incident response, creates network documentation, manages monitoring and alerting, and performs changes under established procedures.

Support application teams by designing, configuring, and operating F5 and cloud application delivery platforms. Configure BIG-IP and F5 Distributed Cloud, manage DNS/GTM, tune WAF, troubleshoot connectivity and performance, onboard applications, automate repeated work with AI-assisted tooling, maintain runbooks, respond via ServiceNow, and participate in on-call rotation.

Design, implement, and support low-latency, high-availability network infrastructure for real-time trading. Own projects across data centers, troubleshoot complex network and latency issues, perform maintenance and upgrades, monitor capacity, document systems, and participate in on-call rotation while collaborating with software engineers and traders.

Designs, configures, troubleshoots, and optimizes secure network connectivity across cloud, hybrid, on-premises, and legacy environments. Monitors network performance, resolves incidents, supports controlled infrastructure changes, maintains technical documentation, and prepares operational reporting. The role also supports resilient cloud integration, security controls, service restoration, root-cause analysis, and formal IT service-management processes.

Operate, monitor, troubleshoot, and optimize global network infrastructure across datacenters and telco partners. Diagnose complex network incidents, drive root-cause analysis, implement long-term fixes, document configurations and procedures, coordinate cross-team remediation, and support network architecture, routing, and peering for LAN/WAN/wireless environments.

Lead the architecture and evolution of edge-to-cloud connectivity for globally deployed humanoid robots. Design highly available, low-latency, secure network systems spanning 5G, private LTE, on-premise deployments, and cloud infrastructure. Engineer high-throughput telemetry and control traffic, hybrid connectivity tunnels, SDN and virtualization solutions, and fleet-wide observability. Serve as the technical authority for network architecture while partnering with cross-functional leaders. Perform advanced packet, Wi-Fi, RF, and network performance analysis.

Implement, configure, maintain, troubleshoot, and optimize F5 BIG-IP load-balancing infrastructure across distributed data centers and LAN/WAN environments. Manage virtual servers, SSL/TLS, iRules, certificates, HA failover, upgrades, monitoring, and network diagnostics. Administer Cisco, Juniper, and Infoblox infrastructure; support routing, switching, DNS, IPAM, documentation, security compliance, maintenance windows, and on-call escalations. The role requires U.S. citizenship and eligibility for an agency security clearance.

Design, deploy, and operate enterprise network infrastructure across data centers and cloud (GCP, AWS, Azure). Manage VPCs, VPNs, BGP, F5 BIG-IP, hybrid connectivity, and observability. Build IaC and automation with Terraform, GitLab CI/CD, and Ansible. Maintain monitoring, documentation, and participate in on-call support for critical incidents.