Top Senior Network Engineer Jobs in Chicago, IL

Design, implement, and maintain global network infrastructure including switching, routing, wireless, VPNs, firewalls, and cloud networking. Troubleshoot performance, enforce security policies, document configurations, collaborate with peers and vendors, provide on-call support, and travel to sites as needed.

The Senior Network Engineer manages enterprise network design, implementation, and operations, focusing on infrastructure, VoIP, security, troubleshooting, and project management.

Designs, implements, and administers enterprise network solutions; defines high-level network requirements and architecture; monitors availability, performance, and security controls; manages firewalls and access policies; supports cloud networking and automation; coordinates maintenance, change management, and vendor/developer interactions to meet SLAs.

Implement, maintain, and troubleshoot enterprise network infrastructure (routers, switches, wired/wireless, VoIP/PBX) across campus. support network appliances, perform capacity planning, document procedures, complete help desk tickets, liaise with vendors, and assume on-call data center responsibilities.

Designs, implements, and supports enterprise campus network infrastructure (routers, switches, wired/wireless). Mentors junior staff, manages projects, maintains standards and roadmaps, performs troubleshooting and capacity planning, coordinates with security and vendors, documents procedures, and handles on-call responsibilities.

Lead design and implementation of secure global network infrastructure. Architect security standards, conduct threat modeling and network assessments, build security automation and tooling, integrate controls with SDN/BGP/MPLS platforms, support incident response, and mentor engineering teams to maintain resilient, observable network security posture.

The Principal Network Engineer implements and supports network infrastructure for a federal healthcare EHR modernization program. Responsibilities include cloud and VLAN network configuration, microsegmentation, OCI connectivity troubleshooting, routing strategy, cybersecurity policy alignment, ATO artifact collection, deployment support, change management collaboration, vendor capability implementation, and technical documentation. The role is remote, supports cross-functional teams, and requires obtaining and maintaining a Public Trust Level 5 clearance.

Collaborate in Agile teams to design, develop, and support full-stack solutions using Salesforce and various coding languages.

Designs, configures, maintains, monitors, and troubleshoots LAN/WAN infrastructure, firewalls, VPNs, wireless networks, and Cisco and Fortinet devices across client environments. Resolves complex incidents, supports migrations and deployments, documents configurations, collaborates with security teams, participates in service transitions, and mentors junior engineers. The role also values network automation, scripting, ITIL practices, and cloud networking experience in Azure and AWS.

Designs, implements, secures, and supports hybrid enterprise networks across Azure, AWS, on-premises data centers, offices, and remote locations. Responsibilities include cloud connectivity, routing, switching, firewalls, VPNs, monitoring, troubleshooting, Zero Trust controls, high availability, disaster recovery, and Infrastructure as Code automation. The engineer leads migration and modernization initiatives, coordinates with vendors, supports office deployments, documents network environments, participates in on-call support, and mentors junior staff.

Build and design proxy infrastructure from scratch, implement rotation systems, manage IP reputation, optimize for performance, and develop reverse proxy systems for various proxy types.

Lead design, implementation, and analysis of telecommunications networks (voice, data, video, wireless). Provide technical direction, cost evaluation, network specifications, installation planning, reporting, and coordinate with other IT professionals through project lifecycle.

Designs, analyzes, and supports telecommunications networks (voice, data, video, wireless). Develops installation and maintenance plans, defines system requirements, coordinates with IT teams, and implements network services and contingency solutions for DoD LANs.

Designs, implements, and supports high-availability transport networks. Performs architecture, capacity planning, monitoring, troubleshooting, automation, documentation, and testing. Leads complex projects, manages escalations, mentors junior engineers, and aligns transport engineering with long-term technical strategy.

The Senior Cloud Network Engineer will design and implement scalable cloud networking solutions, automate infrastructure processes, and lead cross-functional collaborations while ensuring security and operational excellence.

The Network Engineer will enhance, maintain, and evaluate a large scale network project, including wired and wireless infrastructure, conduct testing, and consult on hardware and software requirements.

The role involves managing NPS network infrastructure, improving monitoring capabilities, assessing and recommending network optimizations, and providing design guidance. Candidate must ensure infrastructure documentation, conduct testing, and train NPS resources on best practices.

Build software at Coinbase while responsibly using and integrating generative AI copilots (e.g., LibreChat, Gemini, Glean). Continuously learn evolving tools, apply human-in-the-loop practices, and deliver business-ready outputs that improve efficiency, cost, and quality. Participate in quarterly in-person working sessions as part of a remote-first culture.

Designs, implements, supports, and optimizes high-availability IP/MPLS and telecommunications network infrastructure. Responsibilities include capacity and bandwidth forecasting, monitoring and troubleshooting outages, managing escalations, coordinating engineering projects, maintaining documentation, supporting remote sites, and mentoring junior engineers. The role also contributes to system design, security, performance planning, automation, quality assurance, and continuous improvement across core network, transport, access, cellular, and video systems.

Lead enterprise cloud architecture, governance, and infrastructure enablement. Define reusable IaC patterns (Terraform), cloud networking (Transit Gateway, multi-account VPCs), and migration/data center exit strategies. Build architecture review processes, drive adoption of cloud-native practices (Kubernetes, CI/CD), and translate technical decisions for stakeholders while coordinating security and compliance.

Lead the Networks and Environment pillar for a federal Zero Trust acceleration effort. Develop and validate network architecture patterns covering segmentation, policy enforcement, secure connectivity, telemetry, and identity or device integration. Assess hybrid enterprise network implementations, support engineering plans and pilots, create test and rollback plans, evaluate network security technologies, and document implementation lessons and recommendations.

Lead design, implementation, automation, and troubleshooting of Akamai's global network infrastructure. Build and maintain scalable BGP routing, data center CLOS fabrics, overlay technologies (VxLAN/EVPN), multi-vendor environments, and automation templates. Drive hardware/platform rollouts, deep-dive analysis, and clear documentation to ensure reliability, scalability, and security.

Design and maintain secure converged IT/OT network architectures for industrial control systems. Configure and manage switches, routers, firewalls, VPNs, IDS/IPS, and SIEM; enforce IEC 62443 and NIST-aligned policies; perform vulnerability assessments and incident response for ICS/SCADA environments; monitor industrial protocol traffic and collaborate with controls engineers during deployments and commissioning.

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.

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.