Top Network Engineer Jobs

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.

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.

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.

Contract Avaya Network Engineer to configure and support Cisco networking (routers, switches, firewalls) and Avaya telephony (traditional and VoIP PBX, Aura voicemail). Troubleshoot circuits and SIP-related issues. CCNA and ACSS certifications preferred. Must be authorized to work in the U.S.; no H-1B sponsorship.

Contract network engineer to support Cisco routing/switching/firewall infrastructure and Avaya telephony systems (traditional and VoIP), including Avaya Aura voicemail and SIP/circuit troubleshooting. Immediate need for a US-authorized candidate.

Design, implement, and migrate enterprise and data center networks (Cisco Nexus/ACI/NX-OS, 6500/4500 VSS, ASR/7K). Lead campus Wi‑Fi and WAN (BGP/OSPF), security (firewalls, IDS/IPS, VPN), multicast, QoS, and unified communications. Produce Visio designs, troubleshoot complex protocols, manage projects, engage clients, and travel for consulting engagements. CCIE required.

Manage and support Cisco-based network environments for retail stores, handling routers, switches, firewalls, upgrades, patching, performance monitoring, and vendor coordination. Provide production support following incident/change/problem processes, plus troubleshooting POS, access points, and handheld connectivity in a global delivery setting.

Provide 24x7 monitoring, incident response, troubleshooting, vendor coordination and restoration for global Avaya/Cisco IP telephony and legacy voice infrastructure. Support migrations, branch deployments, CM configuration, device health checks, alert validation (ReliaTel/Nectar), and change/post-incident reviews.

Full-time Network Engineer role requiring at least four years of IT experience. Candidate must hold a bachelor’s degree (or equivalent experience) and be authorized to work in the U.S. without sponsorship.

Lead and support network administration and infrastructure tasks, consult on business process design, develop/configure and validate solutions, manage projects and talent, communicate analyses, and travel regularly for management consulting engagements.

Design, implement, and migrate enterprise and data center networks (Cisco Nexus/ACI, NX-OS, 6500/4500 VSS). Lead campus Wi‑Fi, WAN (BGP/OSPF), security (ISE, firewalls, IDS/IPS), create Visio design docs, manage projects and client relationships. Requires CCIE (lab cleared), 11+ years experience, consulting travel, and specific U.S. work authorization.

Lead pre- and post-sales design, implementation, assessment, and management of Cisco routing/switching, UC, data center, wireless and security solutions. Perform complex network and voice assessments, present findings, implement solutions, mentor team members, and conduct knowledge transfer. Act as a hands-on architect/engineer and team leader (player/coach) focusing on secure, well-documented infrastructures and customer satisfaction.

Lead a two-person installation team deploying Cisco 2900 routers and Aruba access points across enterprise sites in the Northeast. Coordinate logistics and client communication, perform night-shift installations (1–2 nights per site), troubleshoot on-site issues, and respond to late-night maintenance tickets. Project duration ~1 year with possible extension.

Lead and supervise a two-person team to install Cisco 2900 routers and Aruba access points across enterprise sites in the Northeastern US. Coordinate with clients, manage logistics, perform night-shift deployments and respond to third-shift maintenance tickets. Project is ~1 year with possible extension.

Lead and manage network administration and IT functions, design and architect business processes and solutions, oversee development/configuration/deployment, run project and talent management, consult on business process improvements, and support a management consulting environment with regular travel.

Lead Site Supervisors will manage deployment of Cisco 2900 routers and Aruba access points across enterprise sites in the NE corridor. Responsibilities include leading two installers, coordinating with clients, directing logistics, performing night work at closed sites, troubleshooting, and ensuring timely completion of a ~1-year project. CCNA or higher preferred.

Lead and supervise a two-person team to install Cisco 2900 routers and Aruba access points across enterprise sites. Coordinate logistics, client communication, night-shift deployments, and ensure timely, high-quality installations for a one-year project.

Lead a two-person team to deploy Cisco 2900 routers and Aruba access points across enterprise sites in the NE corridor. Coordinate with clients, manage logistics, supervise night installations (1–2 nights per site), troubleshoot issues, and ensure project completion over ~1 year. CCNA or higher preferred.