Top Network Engineer Jobs

Design, implement, and support on-premises and cloud network architectures (Cisco ASR/Nexus and AWS). Plan, test, and document secure connectivity, interoperability, and operations. Produce network maps, designs, test plans, configurations, and runbooks while collaborating with stakeholders to identify risks and mitigation strategies.

Operate and support global, low-latency network infrastructure across on‑prem and cloud environments. Troubleshoot routing, MPLS, firewalls and packet-level issues, perform incident response, onboard customer connectivity, and develop automation and observability tooling to reduce MTTR and improve reliability.

Design, develop, and validate networking software and automation frameworks. Create and execute functional, regression, integration, system, and performance tests; analyze network topologies and RFCs; troubleshoot and document defects; collaborate with development, test engineering, and product teams to improve product quality and automate test infrastructure.

Operate and tune InfiniBand and RoCEv2 fabrics for large GPU clusters (100–10,000 GPUs). Monitor UFM and RDMA telemetry, diagnose link/congestion issues, manage firmware and optics lifecycle, collaborate with vendor support, and feed labeled incidents/metrics into AIOps to enable predictive remediation and runbook automation.

Design and build network automation for multi-vendor enterprise networks using Python and network automation libraries. Implement IaC (Ansible, Terraform, Jinja2), integrate with NETCONF/RESTCONF/gNMI/vendor APIs, manage NetBox/Nautobot, create CI/CD pipelines and validation, automate telemetry/compliance, and mentor network teams on automation best practices.

Hands-on senior network engineer to support and maintain enterprise LAN/WAN, data center, wireless, VPN and SD-WAN environments. Configure and troubleshoot Cisco routers/switches and Palo Alto firewalls, administer firewall policies and Panorama, support VMware NSX, perform network performance/security monitoring, participate in upgrades, DR testing, documentation, and on-call/after-hours activities. Must work onsite in Greater Phoenix.

Design, secure, and optimize on‑prem and cloud networks; manage firewalls and switching; integrate multi‑cloud connectivity; own external links (Megaport); troubleshoot production incidents and participate in 24x7 on‑call rotation to ensure high availability.

Design and maintain MPLS WAN architecture and services, perform lab equipment evaluation/integration/testing, support security accreditation, produce technical documentation, provide Tier-4 production troubleshooting, and develop proactive network analysis solutions. Hands-on router engineering/operation experience required.

Design, implement, automate, and support hybrid cloud networking solutions across AWS (and Azure/GCP). Own Transit Gateway, Cloud WAN, Direct Connect, hybrid DNS, routing (BGP), and tooling. Collaborate with core network, product, and security teams to deliver scalable, secure multi-region network architectures and platform standards while driving automation and operational excellence.

Lead design, implementation, lifecycle management, and advanced support of refinery business LANs. Own Layer 1 cabling/fiber and Layer 2 switching, troubleshoot complex incidents, drive refreshes and projects, strengthen segmentation with cybersecurity teams, maintain documentation, mentor engineers, and automate/network-monitoring tasks to improve reliability and reduce operational risk.

Design, plan, and implement secure IP-based network communications for mission-critical aircraft. Produce architecture schematics, hardware/software specs, perform testing/verification, troubleshoot Cisco IOS-XE devices, and document short- and long-range network plans. Support acquisition activities and work with aerospace bus protocols like MIL-STD-1553.

Support USMC CTN and CAC2S systems as a systems engineer in an Agile environment: perform requirements tracing, systems testing/IV&V, set up hardware/software, support integration events, and consult with government customers. Must obtain security clearance and occasionally travel to support events.

Design and deploy low-latency, scalable network architectures; produce HLDs; define design principles; evaluate vendors and platforms; implement configurations and critical changes; troubleshoot escalations; automate deployments and support internal and external customers across global markets.

Own and operate the classical infrastructure supporting quantum hardware: provision Linux servers (PXE, OS installs), build and maintain infrastructure-as-code and automation, design and troubleshoot lab/datacenter networking (VLANs, switches, firewalls, cabling), integrate scientific hardware and device drivers, use out-of-band management (IPMI/BMC), write runbooks, and resolve urgent infrastructure issues to enable experiments.

Design, configure, monitor, and troubleshoot mission network routing and switching (Cisco/Juniper). Implement VPNs over MPLS, redundancy protocols, and network security (firewalls, ACLs). Produce Visio topologies, analyze performance, repair issues, and support operational excellence for mission networks.

Designs, implements, maintains, and secures local and wide area networks. Troubleshoots routers, switches, firewalls, VPNs, and telephony; leads incident postmortems; creates security and standardization policies; mentors junior staff and supports 24x7 on-call operations.

Implement and sustain NIPR/SIPR switches, routers, firewalls, load balancers, and network management tools in a Cisco ACI datacenter. Perform network management, analysis, troubleshooting, patch and firmware deployment using automation, and maintain DISA STIGs. Develop SOPs, network documentation, train junior staff, and monitor ongoing network operations.

Lead PSC (Power/Space/Cooling) capacity planning across a nationwide portfolio while designing AI/automation and data solutions. Perform facility power/DC analysis, produce space-planning deliverables, build LLM-driven bots, ETL pipelines, dashboards, forecasting models, and present executive-level readouts. Mentor teams and drive cross-functional engineering and operational improvements.

Design, develop, and maintain cloud-native software, automation, and AI-enabled tools to support enterprise network provisioning, operations, diagnostics, and lifecycle management. Implement IaC, CI/CD, telemetry, monitoring, and developer platforms; participate in on-call rotations, incident response, root cause analysis, and cross-team collaboration to improve reliability, security, and operational readiness.

The role entails integrating data across various systems within manufacturing, project management for automation solutions, and ensuring compliance with safety and quality standards.

Design, implement, and operate Fortinet-based network infrastructure across corporate, cloud, and site environments. Lead SD-WAN, firewall, switching, and wireless architecture; manage centralized FortiManager/FortiAnalyzer/FortiNAC; enforce segmentation and security policies; support compliance and incident response; lead site deployments and mentor engineers.

Serve as network design authority for an Air Force program: design, test, document, and maintain multi-site classified networks. Provide Tier-3 escalation, configure routers/switches/firewalls/VLANs/VPNs/DNS/encryption, implement fault tolerance and disaster recovery, apply DISA STIGs, support SATCOM/airborne gateways, and write automation scripts for monitoring and troubleshooting.

Manage and administer VMware-based virtualization environments (VCF, vSphere, NSX, vSAN), perform troubleshooting, patching, vulnerability remediation, VM migrations, backups/restores, system monitoring, and document changes. Collaborate with system, network, and cybersecurity teams, brief customers, and support a high-quality DoD test environment.

Provide advanced network engineering leadership: design, implement, optimize, and secure enterprise networks. Troubleshoot complex issues, lead large deployments, maintain documentation/accreditation, integrate analytic platforms, and ensure DoD/IC and ISO compliance.

Support design, implementation, and maintenance of network infrastructure. Monitor performance, troubleshoot connectivity, assist with configuration, upgrades, security practices, automation, documentation, and contribute to network design and reliability under guidance of Network and System Administrators.