Top Network Engineer Jobs

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.

Design, deploy, and maintain secure multi-cloud and hybrid network infrastructure (AWS/GCP/AWS GovCloud) for federal and commercial customers. Configure routing (BGP/OSPF), cloud networking components, DNS/DNSSEC, interconnection (Equinix), and network security controls to meet FedRAMP/CMMC/NIST requirements. Support compliance, monitoring, automation (IaC/scripting), incident response, documentation, capacity planning, and customer-facing engagements.

Early-career network engineer to run Six Sigma process improvements, design and deploy AI/RPA automations, perform RF/RAN performance optimization (4G/5G), and deliver data-driven insights.

Design, implement, administer, and support secure LAN/WAN/MAN infrastructure. Manage and optimize large-scale firewalls and switches, configure VPNs and IDS/IPS, monitor network health, analyze logs, implement routing (OSPF/BGP), and collaborate with cloud providers to ensure secure, high-availability connectivity for over 23,000 users.

Designs, implements, maintains, and upgrades LAN/CAN/WAN and voice/video networks. Performs network engineering analyses, schedules cutovers, coordinates incident resolution, supports telecommunications modernization, and assists operations and end users. Requires configuration and sustainment expertise with Cisco and Arista devices and firewall experience.

Designs, implements, maintains, and optimizes LAN/WAN/CAN networks. Configures Cisco/Arista devices, implements VPNs, firewalls, GRE, IPSec, NAT, load balancing, VoIP/MoIP, performs performance captures and monitoring, produces network designs and diagrams, supports accreditations and ISO 9000 compliance, mentors junior engineers, and provides on-call and travel support. Requires active TS/SCI with Polygraph.

Designs, implements, maintains, and upgrades LAN/CAN/WAN and telecom (voice/video) infrastructures. Performs network engineering analysis, schedules cutovers, administers networks, coordinates incident resolution, and translates business requirements into telecommunications designs for medium to large-scale environments.

Perform end-to-end network engineering from design through implementation, maintenance, and upgrades. Optimize performance, conduct data captures, configure and sustain Cisco/Arista/Juniper devices, implement VPN/IPSec/GRE/VoIP/NAT/load-balancing and security contexts, maintain network diagrams and accreditations, support DoD/IC compliance, and mentor junior engineers.

Deliver wireless planning, design, implementation and optimization for enterprise WLAN/Service Provider Wi‑Fi accounts. Perform architecture, configuration, integration, operational support, RF design/surveys, troubleshooting, L2/L3 IP network design, and assist with implementation, testing and cutovers while advising on best practices.

Design, implement, test, and maintain secure enterprise and deployable hub-and-spoke networks. Engineer Cisco IOS-XE platforms, IPSEC/IKEv2 (FlexVPN), BGP routing and route policy, integrate Type I encryption (TACLANE), validate multi-transport resiliency, build lab replicas, perform advanced troubleshooting, and produce technical documentation for DoD secure communications environments.

Designs, configures and supports networking software on IBM z/OS (SNA and TCP/IP). Maintains connectivity to internal and external systems, tunes network performance, troubleshoots system/network issues, develops ISPF tools, scripts in Assembler/REXX, and participates in weekend/on-call rotations.

Design, implement, and maintain high-availability Cisco-based network services across dual data centers. Perform assessments, security audits, Tier 3 support, monitoring, troubleshooting, VOIP deployments, automation, documentation, and customer communication.

Senior Cisco Network Engineer responsible for implementing and supporting wireless networks, using AirMagnet Wi‑Fi and wireless troubleshooting tools. Strong communication skills required to collaborate with clients and teams.

Install, configure, and support enterprise networking equipment including Cisco Nexus 5K/7K switches, Cisco ASA firewalls, and F5 load balancers. Provide 24x7 support as needed. CCNA or CCNP certification is a plus.

Design, implement, and troubleshoot LAN, WAN, and wireless networks across enterprise sites. Produce standards and documentation, deploy switches/routers/firewalls, perform packet capture and analysis, and support complex network projects while transferring knowledge to operations teams.

Onsite senior network engineer role in Phoenix focused on advanced Cisco routing and switching, network monitoring, and troubleshooting. Requires deep IOS and NX-OS expertise and experience with Cisco routing/switching. Local candidates only; background check required. Candidates authorized to work in the U.S. encouraged to apply.