Top Network Engineer Jobs

Assists with installation oversight, configuration, testing, monitoring, and servicing of Cisco and Juniper network equipment supporting Department of Defense networks. Performs network activations, IT&A, reporting, IP addressing, software upgrades, systems analysis, documentation, customer coordination, stakeholder outreach, and issue resolution while ensuring compliance with DISA standards.

Designs, implements, and supports enterprise VoIP, voice, video, LAN, and WAN environments in secure government settings. Responsibilities include configuring network infrastructure, optimizing QoS, supporting SBCs and encrypted communications, integrating cloud voice platforms, troubleshooting with Wireshark, and developing technical documentation and briefings. The role collaborates with multidisciplinary teams and senior government stakeholders to deliver mission-aligned communication solutions. Travel of up to 10% may be required.

Designs, integrates, deploys, and supports secure enterprise and field communications networks for U.S. Government missions. Responsibilities include LAN/WAN, voice, video, RF, satellite, cellular, and microwave network architecture; INFOSEC and COMSEC integration; site surveys and installations; network testing, troubleshooting, and Tier III/IV support; technology evaluations; and technical briefings to government stakeholders.

Supports 24x7 SATCOM gateway network operations for DISA, including circuit configuration, alternate routing, outage restoration, alarm monitoring, change management, incident documentation, and troubleshooting across routers, switches, crypto devices, and satellite modems. Works with customers and other network operations centers to maintain network availability and resolve service-impacting incidents.

Supports 24x7 SATCOM network operations for DISA, including circuit configuration, alternate routing, outage restoration, network monitoring, change management, incident documentation, and troubleshooting across routers, switches, crypto devices, and SATCOM modems. Collaborates with customers and NOCs to maintain network availability and resolve service-impacting incidents.

Supports daily network engineering responsibilities for operational systems, including Cisco and Arista configuration and sustainment, compliance support, on-call duties, and travel as needed. Requires six years of network engineering experience, a related technical bachelor's degree, IAT Level I certification, and an active Top Secret/SCI clearance with favorable polygraph.

Supports operational customer networks through configuration, sustainment, upgrades, firewall and cryptographic equipment support, field deployments, Jira ticket resolution, and SSP compliance activities. The role requires Cisco and Arista expertise, occasional OCONUS travel, on-call support, and work with STE/STN systems. Candidates must hold an active Top Secret/SCI clearance with favorable polygraph, possess six years of network engineering experience, a related bachelor’s degree, and an IAT Level I certification.

Operate and support SATCOM network circuits across teleports and gateways in a 24x7 operations center. Configure and analyze customer circuits, perform alternate routing during outages, monitor alarms, manage hardware and software changes, document incidents, and coordinate with customers and network operations centers. Diagnose and resolve issues involving routers, switches, crypto devices, Cisco, Juniper, SATCOM modems, and related network management systems.

Implement, configure, maintain, troubleshoot, and optimize F5 BIG-IP load-balancing infrastructure across distributed data centers and LAN/WAN environments. Manage virtual servers, SSL/TLS, iRules, certificates, HA failover, upgrades, monitoring, and network diagnostics. Administer Cisco, Juniper, and Infoblox infrastructure; support routing, switching, DNS, IPAM, documentation, security compliance, maintenance windows, and on-call escalations. The role requires U.S. citizenship and eligibility for an agency security clearance.

Designs, deploys, maintains, and optimizes secure network infrastructure across datacenters, enclaves, and tail sites. Responsibilities include routing, switching, VPNs, boundary protection, cross-domain connectivity, cryptographic integration, HSM and key management, compliance controls, infrastructure automation, configuration management, and network troubleshooting. The role provides technical leadership and supports continuous ATO, RMF alignment, security hardening, monitoring, and resilient mission-critical network operations.

Designs, implements, maintains, and troubleshoots complex enterprise networks, including Cisco ACI multi-data-center architectures, routing, switching, VXLAN/EVPN, and boundary security. Develops network architectures and configurations, resolves incidents, documents infrastructure, supports audits, collaborates across IT disciplines, presents solutions to stakeholders, mentors engineers, and participates in 24x7 on-call support.

Designs and supports network services, automates tasks, monitors performance, troubleshoots incidents, and collaborates with teams on access controls. Must be available for urgent incidents.

The Network Engineer will manage cloud network operations, support infrastructure deployment, and troubleshoot issues in a global cloud environment. Responsibilities include network upgrades, security configurations, and documentation, focusing on customer service and collaboration with internal teams.

Provide network operations and support for Varian's public, private and hybrid cloud environments. Troubleshoot network incidents, maintain IP/CIDR allocations, configure ExpressRoute and VPNs, support Palo Alto firewalls and Citrix NetScaler, create technical documentation and diagrams, collaborate with operations/security/vendors, and participate in on-call support and continuous improvement of cloud networking.

Design, deploy, and operate enterprise network infrastructure across data centers and cloud (GCP, AWS, Azure). Manage VPCs, VPNs, BGP, F5 BIG-IP, hybrid connectivity, and observability. Build IaC and automation with Terraform, GitLab CI/CD, and Ansible. Maintain monitoring, documentation, and participate in on-call support for critical incidents.

Develop and integrate custom-coded network monitoring and management tools using APIs, dashboards, databases, and enterprise technologies. Design, configure, test, document, and deploy solutions supporting global Cisco and Microsoft network environments. Collaborate with network engineers, DBAs, technical SMEs, customers, and contractor management while evaluating existing systems and recommending solutions. The role requires customer interaction, independent work in a small team, and support of Department of State network operations on secured hardware.

Leads a team of 4–6 senior network engineers while providing hands-on support for complex customer environments. Oversees daily operations, escalations, incident and major incident management, root cause analysis, preventive measures, performance reviews, on-call scheduling, and workload distribution. Troubleshoots and optimizes Cisco, Nexus, Meraki, Palo Alto, Check Point, F5, and SAN technologies, while supporting monitoring, automation, patching, firmware updates, and hardware lifecycle management.

Designs, architects, maintains, and troubleshoots Ethernet and virtual networks supporting mission systems. Responsibilities include network security, segmentation, firewalls, performance monitoring, automation scripting, configuration control, cybersecurity compliance, and collaboration with engineering and cybersecurity teams. Provides daily customer support, communicates architecture to stakeholders, and may travel to CONUS/OCONUS locations. Requires an ABET-accredited bachelor’s degree, 12+ years of experience, and U.S. citizenship; Secret clearance is preferred.

Own the design, deployment, reliability, security, and evolution of Cognition’s global wired, wireless, cloud-connected, and office networks. Responsibilities include network architecture, routing, wireless RF optimization, office delivery, monitoring, observability, automation, infrastructure-as-code, secure access, troubleshooting, vendor coordination, documentation, and incident response. The role partners across teams to improve network performance and customer experience in a rapidly scaling, onsite environment.

Design, build, and operate high-throughput AI lab, datacenter, colocation, corporate, campus, and cloud networks. Responsibilities include switching and routing, network segmentation and security, hardware and cabling support, hybrid connectivity, monitoring, capacity planning, automation, documentation, incident response, and on-call participation. The role requires regular hands-on work at Silicon Valley datacenter facilities and coordination with remote-hands providers elsewhere.

Performs field drive and walk testing, analyzes Layer 3 logs and network KPIs, evaluates indoor RF coverage, and optimizes 5G and LTE RAN performance. Troubleshoots network applications, customer eFEMTO deployments, coverage gaps, interference, and in-building systems. Uses RF testing, planning, and post-processing tools to develop optimization recommendations, improve service quality, and resolve network performance issues. The role is hybrid with at least three office days weekly.

Designs and evaluates large-scale, multi-vendor fiber access networks using advanced PON technologies. Responsibilities include architecting integrations with IP/MPLS and optical transport networks, selecting OLT and ONT vendors, reviewing HLDs and migration strategies, advising broadband clients, troubleshooting complex environments, and mentoring junior engineers. The role also involves client engagement, technical writing, vendor coordination, and managing project budgets, timelines, and billable work.

Architects and evaluates large-scale, multi-vendor fiber access networks using advanced PON technologies. Integrates OLT and ONT platforms with core routing, IP/MPLS backbones, and optical transport. Reviews high-level designs, migration strategies, and technical specifications; leads vendor evaluations and client recommendations. Provides expert troubleshooting and engineering advisory support while mentoring junior engineers and managing complex client engagements, deliverables, budgets, timelines, and vendor coordination.

Architects and evaluates large-scale, multi-vendor fiber access networks using advanced PON technologies. Integrates access networks with IP/MPLS, core edge routing, and optical transport layers; evaluates OLT and ONT platforms; reviews high-level designs and migration strategies; provides expert troubleshooting and client advisory support; and mentors junior network engineers.

Designs and evaluates large-scale, multi-vendor fiber access networks using advanced PON technologies. Integrates OLT and ONT platforms with core routing, IP/MPLS, and optical transport layers; leads vendor and platform evaluations; reviews high-level designs and migration strategies; provides complex troubleshooting and client advisory support; mentors junior engineers; and develops technical deliverables for broadband clients.