Top Network Engineer Jobs in NYC, NY

Design, implement, and maintain low-latency, high-performance network infrastructure for trading systems. Partner with engineering teams to automate, monitor, and troubleshoot distributed networks, optimize performance, ensure resilience and security, and evaluate emerging technologies to improve scalability and reliability.

Design, build, and maintain production platforms and services that automate and operate CoreWeave's network (config generation, provisioning, workflow automation, observability, CLIs/APIs). Lead technical direction, plan multi-month projects, write high-quality Python and Go software, define SLOs/SLIs, reduce manual toil, participate in on-call, mentor engineers, and collaborate across Network, Observability, Fleet, and HPC teams.

As a Staff Software Engineer, you'll design and operate traffic infrastructure, lead multi-team projects, ensure service reliability, and mentor engineers while utilizing AI tools for development efficiency.

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.

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, deploy, manage, and troubleshoot high-performance InfiniBand and Ethernet networks for HPC. Perform performance tuning, capacity planning, and monitoring. Implement Fortinet security, resolve routing/switching/latency issues, collaborate with compute and storage teams, document architectures, and participate in on-call escalation and upgrades.

Design, implement, and operate AWS network architectures (VPCs, Transit Gateway, Direct Connect). Manage hybrid connectivity, configure AWS networking services, troubleshoot performance and security, automate deployments with Terraform/CloudFormation, collaborate with DevOps/security teams, and document network architectures and procedures.

Design, implement, and support enterprise data networks across data centers, corporate sites, retail, distribution, and call centers. Author solutions and documentation, perform capacity planning, installation/configuration, monitoring, incident resolution, and security compliance. Lead or mentor engineers, collaborate with contractors, improve processes, and contribute to recruitment and team planning.

Provide Tier 3 technical support, configure/firewalls, routers, maintain VMware and Azure environments, monitor network performance, assist with server admin, and manage documentation.

Manage and integrate complex systems, providing communications solutions, maintaining cloud infrastructure, assessing systems, and leading technical programs while ensuring compliance and data security.

Perform L3 network troubleshooting and RCA on production enterprise networks, review telemetry/logs/configs, label and annotate network behaviors for ML training, and help define schemas and data pipelines to support AI-driven infrastructure.

Lead and shape technical direction for Network Expansion, driving cross-team initiatives and delivery of distributed, customer-facing systems. Own outcomes and metrics, mentor engineers, collaborate with product/design/operations, and improve platform reliability, testing, and deployment practices while hiring and coaching engineering talent.

Design, configure, and support global network infrastructure while optimizing for low latency trading applications. Diagnose complex network issues using data-driven methods and automation. Manage global initiatives from requirements to deployment.

Engineer, deliver, and provide Tier 2/3 support for LAN, WAN, and WLAN network services across corporate and retail sites in the NYC region. Design, build, secure, troubleshoot, and configure network infrastructure to global standards while liaising with US Network and Operations teams to meet SLAs.

The Network Engineer will support DARPA by managing DCO capabilities, troubleshoot networks, and deploy sensor platforms in various environments.

Lead strategy and execution for scalable compute and edge network infrastructure spanning on-premise and cloud. Automate distributed connectivity, drive software-first solutions for service routing and traffic engineering, ensure performance and operability, decompose complex problems, produce reusable artifacts, and mentor engineering teams.

As a Staff Network Engineer at D-Wave, you'll design, implement, and maintain networking infrastructure, manage AWS environments, and ensure network security, while mentoring junior team members.

Lead architecture, design, and deployment of cloud and hybrid network solutions. Design/configure routers, switches, firewalls, VPNs; manage segmentation, routing (BGP/OSPF), NAT, monitoring, troubleshooting, and on-call support.

The Network Engineer will label, annotate, and structure data from networks, supporting the development of AI-driven infrastructure solutions.

Lead technical direction and build a scalable network observability platform. Design collectors, storage, alerting, and visualization; standardize telemetry, mentor engineers, drive cross-team initiatives, and serve as senior on-call escalation for observability incidents and architecture.

Design, deploy, and operate large-scale RDMA/RoCE network fabrics for OCI AI/HPC customers. Lead lifecycle and incident management, perform root cause analysis, develop automation and tooling, collaborate with product and vendor teams, and mentor junior engineers to improve reliability and operational readiness.

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.

Provide Tier 1 network engineering support for government customers: troubleshoot connectivity and hardware issues, monitor network health, perform routine maintenance tasks, escalate complex incidents to higher tiers, document actions in ticketing systems, and assist end users with basic networking needs.

Design, implement, and operate high-performance data center networks optimized for AI/GPU workloads. Collaborate with compute, storage, and security teams, lead incident response and 24/7 operations, mentor engineers, evaluate emerging interconnects and networking tech, and define long-term data center network strategy and standards.

Interns pair with full-time mentors to maintain and improve a multi-vendor network supporting trading and internet traffic. Tasks include debugging routing protocols, provisioning feeds and third-party connections, site expansions and colocation work, automating support tasks, improving monitoring, performing root-cause analysis, and building production-ready solutions. Work involves command-line *nix use and programming to automate and instrument network operations.