Top Network Engineer Jobs

Lead end-to-end deployment, configuration, and maintenance of classified and unclassified enterprise networks. Manage installation of routers, switches, firewalls, and Cisco ISE-based access control; perform troubleshooting, site surveys, risk assessments, documentation, firmware upgrades, and provide technical leadership and on-call support to cross-functional teams.

Provide Tier 3 support for a 24x7 NOC: monitor and maintain LAN/MAN/WAN/optical networks, troubleshoot and isolate faults, manage network hardware/software, support voice/video services, proactively identify and mitigate network risks, and use ticketing and network management tools to resolve incidents.

Supports network systems integration for the Sentinel weapon system, including network architecture, governance, standards, requirements, interfaces, documentation, modeling, testing, and lifecycle engineering. Coordinates with network subject matter experts, assesses infrastructure designs, selects hardware and software, develops technical processes, and improves system reliability. The role requires active Secret clearance, U.S. citizenship, DoD cybersecurity certification eligibility, and collaboration across a large-scale defense program.

Supports high-availability broadcast networks and media production systems. Maintains IP multicast infrastructure, VLANs, documentation, QoS, and network migrations while providing tier-2/3 support for edit suites, ingest, shared storage, playback, and live graphics systems. Troubleshoots Adobe Creative Cloud, Grass Valley, VizRT, and Ross Xpression environments, creates SOPs and runbooks, supports end users, and participates in on-call coverage for live broadcasts.

Supports enterprise network operations by monitoring network health, triaging incidents, troubleshooting connectivity and infrastructure issues, maintaining Juniper equipment, assisting with updates and lifecycle activities, validating changes in QA, documenting procedures, and coordinating with engineering, security, carriers, vendors, and other technology teams. Participates in incident management, process improvements, on-call support, and urgent service restoration.

Design, implement, maintain, and secure enterprise wired and wireless networks across offices and data centers. Troubleshoot advanced routing and switching (BGP, OSPF, EIGRP, VXLAN, STP), deploy and optimize high-density Wi‑Fi, perform RF surveys, manage Palo Alto firewalls and VPNs, automate with Terraform/Python, and provide on-site event infrastructure support.

Supports design, development, deployment, administration, and maintenance of customer premises equipment activation, service provisioning, and network operations systems. Coordinates integrations, releases, testing, change management, disaster recovery, system monitoring, documentation, and reliability improvements. Manages multiple complex projects, estimates budgets and resources, and leads engineers and technicians while collaborating with Product, IT Service Delivery, and Advanced Engineering teams.

Administer and troubleshoot VMware virtualization, networking, and storage environments supporting a DoD missile defense test environment. Responsibilities include root-cause analysis, vulnerability remediation, patching, backups, monitoring, upgrades, virtual machine deployment and migration, NSX configuration, vSAN administration, system auditing, documentation, and customer briefings. The role requires collaboration with network, systems, and cybersecurity teams, independent execution, occasional off-shift support, and active DoD Secret clearance.

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.

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.

Maintains the design, integrity, deployment, and performance of Linux and Windows systems and networks. Oversees WIDS, administers Active Directory, develops automation scripts, patches servers, supports cybersecurity compliance, troubleshoots multi-domain infrastructure, and maintains documentation. Performs Tier 3 operational maintenance, security configuration, backup administration, and systems engineering. The role may involve worldwide installations, sensor and cabling work, and requires a TS/SCI clearance with polygraph.

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 a team designing, deploying, securing, testing, and sustaining enterprise and tactical network infrastructure for Navy LVC training systems. Responsibilities include network architecture, routers, switches, firewalls, cabling, installation oversight, troubleshooting, integration testing, documentation, configuration management, STIG implementation, RMF evidence, risk briefings, and mentoring. The role is based in Norfolk, Virginia, requires an active DoD Top Secret clearance and U.S. citizenship, and may involve up to 25% annual travel.

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.