Top Network Engineer Jobs

Senior network engineer to provide daily network support for operational systems: configure and sustain Cisco and Arista devices, support Latte Art and STE/STN/SSP compliance, travel as needed, and be on-call. Role requires active TS/SCI with polygraph and DoD IAT Level I certification.

Mid-level network engineer to configure, sustain, and field Cisco/Arista systems, firewall and crypto gear. Duties include lab work, resolving JIRA tickets, SSP compliance, onsite support in contractor facilities and NBP320, occasional OCONUS travel, and on-call operational support.

Operate and secure the enterprise Linux and network infrastructure, manage Proxmox/Ceph virtualization, Docker containers, routers, switches, firewalls and wireless. Perform patching, lifecycle management, root-cause troubleshooting, automation in Bash/Python, and support enterprise applications and end users. Serve as a primary on-site IT owner with occasional after-hours response and ability to obtain government clearance.

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.

Support design, configuration, installation, testing, and troubleshooting of IT network devices and systems for MDA. Work with architecture and engineering leads to follow standardized designs and provide hardware/software selection input. Gain hands-on experience with Cisco hardware and Software Defined Access while supporting remote and enterprise sites under senior guidance.

Provide onsite network and systems support for clients in the Washington DC area, troubleshoot and resolve network issues, document changes, participate in projects and on-call rotation, and design/implement solutions to meet client objectives.

Design, deploy, and operate cloud networking infrastructure (VPC/VNet, hybrid connectivity, transit topologies, DNS, security controls). Build and automate cloud networks using IaC, troubleshoot packet-level issues, and collaborate with cross-functional teams to deliver production-grade, secure networking solutions while mentoring junior engineers.

On-site Network Engineer supporting the Fannie Mae NOC and reviewing vendor-resolved tickets. Must have hands-on experience with Riverbed, DNS/QIP, Cisco, Brocade, Juniper, wireless controllers/WAPs, and F5 load balancers. Responsible for ticket closure in ticketing tools. Position is in Urbana MD, on-site daily, part-time with possible overtime, nights, weekends, and non-standard workweeks.

Manage and administer enterprise network and server infrastructure, perform routine network administration, security configuration and remediation, install patches and upgrades, configure and maintain Cisco network devices and EMC VNX SAN, and produce network documentation including Visio diagrams. Work on special projects and collaborate with security teams.

Senior network engineer responsible for operating and maintaining core data center networks, troubleshooting production incidents, configuring routing policies and BGP peering, collaborating with providers, and designing/implementing network enhancements. Works on Nexus platforms, F5 load balancers, VRFs, VLANs, MPLS, and other data center technologies while driving service delivery, runbook improvements, and performance measurement.

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.

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.

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.

Lead design, implementation, and support of enterprise networks (Cisco Catalyst/Nexus) in a manufacturing environment. Configure routing/switching (BGP, OSPF, EIGRP, EVPN), F5 load balancers and multicast (PIM, MSDP, Anycast-RP). Troubleshoot L2/L3/VPN issues, enforce security (IPSec, 802.1x, TACACS+), document operations, and mentor junior engineers.

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.