Top Senior Network Engineer Jobs in NYC, NY

Leads enterprise network deployment and switch refresh projects across data centers and remote offices. Designs and implements routing, switching, SDA, spine-leaf, VXLAN, and LISP solutions; troubleshoots complex network issues; and develops deployment strategies, documentation, and configurations. Mentors engineers, collaborates with project teams and clients, researches networking technologies, and supports infrastructure modernization.

Designs, deploys, configures, and supports cloud network infrastructure across Azure, OCI, GCP, and AWS. Manages Palo Alto and Cisco firewalls, VPNs, routers, load balancers, subnets, security groups, and network access controls. Performs network monitoring, maintenance, upgrades, capacity planning, troubleshooting, and Level 2/3 support. Uses Terraform for infrastructure automation and supports EKS clusters, cloud security, IAM, STIGs, and vulnerability management. Participates in a required 24/7 on-call rotation.

Develop and integrate network security software with firewalls, routers, switches, IPS, proxies, and other security devices. Responsibilities include gathering technical requirements, designing integrations, maintaining security-device test labs, assisting development and testing, creating test cases, troubleshooting complex integration issues, and documenting configurations. The role requires expertise in networking and security, packet analysis, major firewall vendors, virtualization, and regular expressions.

Lead the architecture and evolution of Cloudflare’s global network infrastructure. Own capacity planning, hardware and platform strategies, routing and traffic engineering standards, multi-year infrastructure roadmaps, and network automation frameworks. Evaluate emerging technologies, optimize cost and reliability, guide major architectural transitions, and collaborate with engineering, procurement, finance, and operations teams. Mentor engineers and influence technical decisions across the organization.

Designs and executes network equipment test plans, validates Ciena product interoperability, supports optical and Ethernet network implementation, and provides onsite engineering expertise. Responsibilities include equipment commissioning, inventory verification, troubleshooting, performance analysis, customer support, standards development, documentation, and Tier III/IV deployment assistance. The role requires expertise in Ciena platforms, SONET, DWDM, ROADM, Ethernet, IP/MPLS, network management systems, and legacy TDM technologies.

Designs, deploys, troubleshoots, and validates network and Microsoft 365 infrastructure projects. Responsibilities include firewall, switch, wireless, VLAN, VPN, UniFi, cloud migration, identity, MFA, and infrastructure cutover work. The role performs pre-staging, maintenance-window implementations, post-deployment validation, troubleshooting, rollback support, and detailed technical documentation while working independently and directly with clients.

Owns the technical pre-sales lifecycle for physical security and network solutions. Partners with sales teams, consults with clients, designs CCTV, access control, FDAS, and wired/wireless network architectures, and develops BOMs, drawings, specifications, and pricing. Leads technical presentations, validates solutions, manages project handoffs, reviews designs and quotes, and mentors junior Solutions Engineers.

Senior pre-sales Solutions Engineer responsible for scoping, designing, quoting, and presenting physical security and network infrastructure solutions. The role covers CCTV, access control, fire alarm systems, wired and wireless networks, technical drawings, bills of materials, pricing, client consultation, project handoff, quality assurance, and mentoring junior engineers.

Provide post-launch technical support for broadband networks by diagnosing complex Layer 2 and Layer 3 issues across access, aggregation, routing, transport, and service layers. Investigate packet flows, logs, telemetry, alarms, and network configurations to isolate fault domains, determine root causes, and drive production incidents through resolution. Collaborate with NOC, engineering, operations, architecture, vendors, and service assurance teams in a 24x7 environment.

Operate, monitor, troubleshoot, and optimize global network infrastructure across datacenters and telco partners. Diagnose complex network incidents, drive root-cause analysis, implement long-term fixes, document configurations and procedures, coordinate cross-team remediation, and support network architecture, routing, and peering for LAN/WAN/wireless environments.

Supports LAN and WLAN network surveys, modernization design, cost analysis, configuration, installation, and implementation of routers, switches, wireless controllers, and access points. Assists with VLAN and IP migrations, cybersecurity compliance, implementation plans, documentation, and hardware materials lists. The role requires an active Secret clearance, U.S. citizenship, engineering education or equivalent experience, network certifications, and 60–75% domestic travel.

Leads the planning, design, installation, migration, testing, troubleshooting, and maintenance of LAN/WLAN and telecommunications networks. Configures routers, switches, wireless controllers, VLANs, and IP addressing; develops implementation plans, technical documentation, bills of materials, and cost analyses. The role requires active Secret clearance, U.S. citizenship, extensive network engineering experience, relevant Cisco, Juniper, or Ruckus certification, IAT Level II certification, and 60–75% travel.

Design, build, and maintain AI-powered B2B SaaS products across frontend, backend, and AI. Own projects end-to-end, collaborate with product and design, ensure maintainability, mentor teammates, and inform roadmap and implementation decisions.

Designs, deploys, and operates high-performance InfiniBand and RoCE networking fabrics for GPU clusters, customer connectivity, and multi-site WAN infrastructure. Manages routing, switching, BGP peering, VLAN/VRF/VPC architectures, automation, monitoring, troubleshooting, documentation, capacity planning, and security audits. Requires deep data center or service provider networking expertise, advanced routing knowledge, and hands-on experience with Arista, NVIDIA, or Cisco platforms.

Designs, deploys, maintains, and troubleshoots cloud and traditional network infrastructure supporting mission-critical 911 systems. Responsibilities include AWS networking, Infrastructure as Code, Fortinet firewalls, Cisco equipment, network monitoring, packet captures, performance optimization, vendor coordination, project leadership, and mentoring junior engineers. The role is hybrid, requiring work four days per week in the New York office.

Designs, deploys, and operates AWS network infrastructure across cloud and on-premises environments. Maintains hybrid connectivity, Cisco routing and switching, VPNs, DNS, load balancing, security controls, monitoring, and network automation. Troubleshoots complex connectivity and performance issues, supports incident and change management, documents infrastructure, performs capacity planning, and collaborates with cloud, security, application, DevOps, and data center teams. Participates in on-call support for critical systems.

Designs, deploys, operates, and optimizes low-latency research, enterprise, and trading networks. Responsibilities include troubleshooting complex network, hardware, cabling, and optics issues; developing Python automation and monitoring tools; maintaining networking standards; ensuring scalability and reliability; and guiding teams on networking protocols and infrastructure strategy.

Build and manage scalable ETL/ELT pipelines using Microsoft Fabric and Azure Databricks, implement medallion architecture, support data migrations and legacy SSRS decommissioning, develop Power BI data models, and maintain governance, security, and CI/CD practices. The role also supports migration events and modernizes data infrastructure for advanced analytics and reporting.

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, implement, administer, and troubleshoot resilient, high-bandwidth networks supporting live broadcast media workflows. Responsibilities include network architecture, capacity planning, security and performance improvements, SDN solutions for uncompressed media transport, firmware updates, vendor integrations, project management, documentation, and cross-functional incident resolution. The role also requires mentoring and training team members.

Provides staff-level customer-facing technical support for complex multi-cloud networking and security issues. Serves as an escalation point, leading troubleshooting, packet analysis, root cause analysis, deployments, integrations, optimization, and upgrades. Collaborates with sales, solution engineering, and product engineering teams; identifies defects, validates fixes, and improves product quality. Develops technical documentation, runbooks, and troubleshooting guides while advising leadership on recurring customer issues.

Designs, deploys, and troubleshoots enterprise cloud and hybrid network infrastructure across Azure, OpenShift, corporate offices, and security platforms. Administers FortiGate, FortiSASE, Cisco Meraki, Cloudflare, DNS, load balancing, ingress controllers, and Kubernetes networking. Partners with application, security, and cloud teams on deployments and incident response, creates network documentation, manages monitoring and alerting, and performs changes under established procedures.

Support application teams by designing, configuring, and operating F5 and cloud application delivery platforms. Configure BIG-IP and F5 Distributed Cloud, manage DNS/GTM, tune WAF, troubleshoot connectivity and performance, onboard applications, automate repeated work with AI-assisted tooling, maintain runbooks, respond via ServiceNow, and participate in on-call rotation.

Designs, configures, troubleshoots, and optimizes secure network connectivity across cloud, hybrid, on-premises, and legacy environments. Monitors network performance, resolves incidents, supports controlled infrastructure changes, maintains technical documentation, and prepares operational reporting. The role also supports resilient cloud integration, security controls, service restoration, root-cause analysis, and formal IT service-management processes.