Top Senior Network Engineer Jobs in NYC, NY

Own and standardize multi-site corporate network architecture (LAN, Wi‑Fi, WAN/SD‑WAN, segmentation, DNS/DHCP, firewalls). Run Meraki Dashboard and Tailscale, manage ISPs and vendor relationships, monitor uptime, lead site installs and upgrades, automate network management, troubleshoot escalations, and document the network estate.

Lead design, deployment, automation, and reliability of CoreWeave's global backbone and edge network. Drive large-scale PoP deployments, capacity planning, troubleshooting, automation (Python/Ansible/IaC), operational standards, incident leadership, and mentor engineers while participating in senior on-call rotation.

Lead infrastructure engineer responsible for designing, deploying, and operating large-scale network infrastructure (Arista-focused), ensuring capacity, monitoring, and remediation across applications. Partners with app and infra teams to manage capacity risks, applies automation and cloud migration knowledge, and makes key technical decisions for multi-technology projects.

Lead infrastructure engineer responsible for designing, deploying, and operating large-scale network infrastructure (Arista-focused). Ensure end-to-end monitoring, capacity planning, incident resolution, and cross-team collaboration. Drive automation, cloud migrations, and decisions across multiple infrastructure domains while mitigating capacity and technical risks.

Design, deploy, and operate multi-vendor, multi-region hybrid cloud data center networks. Drive automation-first deployments using IaC and scripting, improve deployment quality/velocity, integrate automation into capacity workflows, build visibility/tools, maintain production reliability, and participate in 24x7 on-call rotations.

Designs, configures, deploys, and supports multi-vendor network infrastructure for broadcast and media production. Works with Cisco, Arista, Palo Alto, F5, and cloud networking (AWS/Azure Direct Connect/ExpressRoute). Implements Palo Alto firewall policies via Panorama, participates in 24x7 on-call support, produces technical documentation and diagrams, and provides occasional travel and project/event support. Hybrid role based in NYC.

Manage and support enterprise DNS, DHCP, IPAM and load balancing infrastructure across on-prem, cloud, and data centers. Troubleshoot Tier 2/3 incidents, perform upgrades and security hardening, implement automation, follow ITIL change processes, and collaborate with Network, Cloud, Application, and Security teams to ensure high availability, compliance, and disaster recovery readiness.

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.

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.

Build and expand Cloudflare's global datacenter network: coordinate installations, manage hardware and contractors, implement consistent processes, perform Linux administration, use configuration management and scripting, and collaborate with SRE and Network Engineering to improve operations and automation.

Lead the architecture and operations of network services, optimizing performance and scalability for AI workloads while ensuring security and compliance.

The role involves designing, implementing, and providing operational support for large-scale networks, ensuring infrastructure stability and reliability.

Design, implement, configure, and maintain Fortinet security solutions, including firewalls, VPNs, IDS/IPS, and endpoint security. Monitor systems, respond to incidents, troubleshoot client issues, document configurations and security metrics, deliver training, and ensure compliance with security best practices. The role involves onsite client work in the NYC metro area, collaboration with internal teams, and occasional evening or weekend work.

Implement, maintain, monitor, and troubleshoot network infrastructure across client environments. Configure routers, switches, firewalls, VPNs, and routing protocols; resolve Layer 2/3 connectivity issues; perform root cause analysis, maintenance, patching, and security updates. Maintain network documentation and collaborate with engineering, support, project teams, and clients. Travel to customer sites throughout the NYC metro region and transport equipment as needed.

The Network Engineer will oversee Cisco networks, ensure security, maintain hardware, mentor tech specialists, and expand Wi-Fi coverage.

Own design, deployment, and operation of corporate and wireless networking across multi-site offices and data center-adjacent environments. Design Wi‑Fi for challenging RF environments, validate with surveys, run automation-first corporate network operations (config-as-code, zero-touch), onboard new sites, and ensure reliable remote access and campus LAN connectivity.

As a Senior Software Engineer, you will enhance Palantir's Kubernetes networking infrastructure, design APIs, and drive infrastructure strategy while ensuring scalability and security.

Support and maintain enterprise network and security infrastructure (Cisco routers, switches, wireless). Troubleshoot WiFi, connectivity, VPN, DNS/DHCP/IPAM. Assist with Palo Alto firewall and Cisco ISE security operations, log monitoring (LogRhythm), documentation, upgrades, and continuous improvements.

Support and maintain the firm's on-premises and cloud network infrastructure. Assist with deployment, configuration, monitoring, troubleshooting (VPN, DNS, routing), cloud administration (Azure), security best practices, backups, patching, documentation, and participate in cloud migration and disaster recovery planning.

The Network Engineer will deploy and validate AI datacenter network infrastructure, manage hardware logistics, troubleshoot issues, and provide operational support while ensuring production standards.

Design, deploy, and operate high-performance campus, data center, and WAN networks for low-latency trading systems. Implement security controls, automate provisioning with scripting/IaC, troubleshoot incidents, lead upgrades and capacity planning, and mentor junior engineers.

The Network Engineer will design, configure, and secure enterprise network infrastructure with strong hands-on experience in routing, switching, and security tools.

Design and evolve ultra-low-latency global networks across data centers, colocation, and cloud. Lead routing, scalability, lab validation, automation (Python), observability, and high-complexity migrations while mentoring engineers and producing regulatory and operational documentation.

Administer and troubleshoot IBM z/OS Communications Server environments (VTAM, TCP/IP, TN3270); support GDPS disaster recovery networks; manage TPX Session Manager and Connect:Direct; implement secure file transfer (FTP/SFTP/FTPS/FTP-AT/TLS); perform SMP/E software installs and upgrades; monitor and resolve complex mainframe networking issues; participate in on-call rotation and develop operational procedures and best practices.

Build and operate cloud and on-premises network infrastructure supporting CrowdStrike’s global security platform. Responsibilities include developing Terraform modules, implementing AWS multi-region and hybrid networking architectures, supporting cloud migration and data center exit programs, contributing to architecture reviews, improving CI/CD and Kubernetes enablement, documenting standards, and monitoring infrastructure. The role requires cross-functional communication, compliance-aware design, infrastructure automation, and use of AI technologies to improve troubleshooting and operational efficiency.