Top Network Engineer Jobs

Provide advanced network administration and security for Windows Server and Exchange environments; configure and maintain Cisco routers, switches, firewalls and UCS; manage SAN storage (EMC VNX), patching, vulnerability remediation, and network documentation; support special projects and monitoring tools (SolarWinds).

Support, design, configure, upgrade, and troubleshoot COVA Net enterprise LAN/WAN infrastructure. Provide architecture, performance tuning, monitoring, fault tolerance, disaster recovery, and security using Juniper SRX, Cisco routers/switches, VPN/MPLS technologies and routing protocols.

Engineer and implement network management and performance monitoring solutions using OPNET suite across LAN/WAN. Perform WAN simulation, network auditing, performance analysis, tool management, hardening, documentation, and consulting. Troubleshoot L2/L3 network issues, optimize application performance, and support operations and compliance for large-scale networks.

Senior Tier 3 Network Engineer responsible for designing and ensuring availability of enterprise network services. Provide technical leadership during incidents, implement changes, develop run-books and processes, mentor teams, manage vendor relationships, and support routing/switching, firewalls, load balancers, WAN/LAN/Wi‑Fi, and network management tools in a 24x7 environment.

Senior Tier 3 Network Engineer accountable for technical success of enterprise network services: design incident recovery and changes, enforce configuration standards, lead major incident resolution, mentor NOC teams, liaise with vendors, develop operational procedures and run-books, maintain KPIs and knowledge transfer, and introduce new technologies across routing, switching, firewalls, load balancing and wireless.

Lead technical ownership of enterprise network services: define strategy, design high-availability services, provide technical leadership during incidents, develop operational processes and runbooks, coach teams, audit configurations, manage vendor/managed-service relationships, and maintain KPIs and documentation for 24x7 network operations.

Deploy, configure, and support Juniper VPN appliances and endpoints. Troubleshoot and document firewall and VPN systems for the Connect Project. Provide ongoing project support to ensure proper configuration and documentation. Certifications are optional but desirable.

Manage and troubleshoot enterprise network infrastructure including Cisco and Arista switches, routers, ASA firewalls, SourceFire IPS, F5 load balancers and Checkpoint devices. Configure and debug STP, EtherChannels, routing, ACLs, HSRP, VPNs, NAT, contexts, failover and policies. Monitor device health and logs using SolarWinds, Kiwi, Cacti and CatTools, perform IPS log analysis and IP block/whitelist actions, and coordinate vendor support.

Design, implement, and support Cisco LAN/WAN and wireless infrastructure. Implement wireless expansion from third-party site surveys, upgrade routers/switches and bandwidth from TDM to IP/fiber, and maintain secure, compliant Cisco TCP/IP network operations.

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

Develop and optimize a secure, scalable blockchain, manage a network of nodes, and ensure high performance with low operational costs.

Senior engineering role to design, qualify, and productize high-speed optical interconnects (pluggables, NPO, CPO) for AI scale-up networks. Duties include component characterization, link-budget analysis, vendor management, NPI qualification, system bring-up, and collaboration with ASIC, SI, thermal, and software teams for 800G–1.6T (and roadmap to 3.2T) deployments.

Designs, implements, operates, and maintains enterprise LAN/WAN, firewall, and Wi‑Fi systems across a multinational environment. Supports routing (OSPF, BGP, BGP‑EVPN, VXLAN), hybrid cloud connectivity (Azure/AWS), network security (firewalls, Palo Alto), monitoring (SNMP, NetFlow, syslog), and automation (PowerShell, Ansible, Terraform). Collaborates with infrastructure and application teams and assists cloud migrations and documentation. Occasional travel required.

Design, automate, deploy, and support large-scale cloud networking solutions across Azure. Troubleshoot live-site incidents, improve performance, contribute to incident response and postmortems, and collaborate on scalable Layer 3 network designs (BGP/OSPF/IPv6, EVPN/VXLAN, SDN/NFV). Participate in on-call rotation and mentor peers.

Design, build, and maintain production platforms and services that automate and operate CoreWeave's network (config generation, provisioning, workflow automation, observability, CLIs/APIs). Lead technical direction, plan multi-month projects, write high-quality Python and Go software, define SLOs/SLIs, reduce manual toil, participate in on-call, mentor engineers, and collaborate across Network, Observability, Fleet, and HPC teams.

Lead network and systems engineering design, analysis, integration, configuration, and implementation for NC3 programs. Provide technical leadership, mentorship, and solutions to complex networking problems, support project technical management, collaborate with cross-functional teams, and ensure technical solutions meet requirements and industry standards in a classified defense environment.

Design, build, configure, monitor, and maintain LAN/WAN networks and associated hardware (routers, switches, firewalls, VPN). Provide L3 routing expertise, Aruba systems administration, implementation planning, upgrades, backups, and technical leadership for ETM support at the Pentagon.

Senior hands-on network engineer responsible for designing, building, and securing segmented multi-site LAN/WAN/SD-WAN networks meeting CMMC Level 2. Owns firewalls, switching, wireless, core services (DNS/DHCP/IPAM), VPNs, monitoring, and site standups; mentors junior engineers and participates in on-call support to sustain 24/7 manufacturing operations.

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.

Design and modernize hybrid cloud network architectures spanning field sites and AWS. Build resilient VPC-based fabrics, integrate physical and virtual security appliances, implement IaC with Terraform, improve observability and AIOps-driven telemetry, and partner cross-functionally to ensure high-availability, scalable connectivity for mission-critical global systems.

Designs, implements, operates, and sustains WAN/LAN/CAN networks across multiple security domains. Troubleshoots network components, analyzes performance, develops roadmaps and test plans, supports IP services to classified networks, installs satellite communications, and evaluates emerging networking technologies to meet mission objectives while following government security processes.

Design, configure, test, and commission IT/OT and process control networks (PLC, HMI, SCADA) for GMP manufacturing. Lead project implementations, troubleshoot network architectures (virtual and physical), ensure network reliability and security, collaborate with enterprise teams, and train operations and maintenance staff.

Responsible for designing, installing, configuring, maintaining and supporting secure, highly available networks and infrastructure. Monitors systems, responds to incidents, performs backups/patching, capacity planning, and vendor coordination. Participates in projects, documents changes, and ensures compliance with security and change-management processes.

Design, install, configure, and maintain complex data networks for defense projects. Collaborate with application teams, configure web services and DNS, document network topology and data flows, integrate physical network devices (switches, routers, firewalls), and apply network security standards and procedures.