Top Senior Network Engineer Jobs in NYC, NY

Build, deploy, configure, and support scalable network infrastructure for broadcast and media production facilities. Manage Cisco, Arista, Juniper, Palo Alto, and F5 technologies, including firewall policies, automation, monitoring, documentation, and troubleshooting. Support 24/7 production networks through on-call rotation and provide escalated issue resolution across multiple locations. Contribute to hybrid cloud networking, network security, and remote event support, with occasional travel required.

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.

Supports daily network operations and infrastructure projects in a 24/7 hospital environment. Maintains and troubleshoots switches, routers, firewalls, VLANs, routing protocols, IPAM, DHCP, DNS, wireless networks, and connectivity. Participates in upgrades, migrations, deployments, and technology refreshes while collaborating with IT, cybersecurity, clinical technology, and biomedical engineering teams. Maintains documentation, follows change-management standards, and supports network availability for clinical and hospital operations.

Architect and build the Global Payment Network’s real-time and batch data infrastructure, including event-driven pipelines, canonical data models, metadata and catalog systems, streaming, storage, and low-latency services. Establish technical standards for scalable distributed systems, partner with fraud, analytics, modeling, product, and risk teams, and mentor engineers as a senior individual contributor without direct reports.

Owns Legora’s multi-site corporate network, including Meraki, Tailscale, wired and wireless infrastructure, WAN, segmentation, DNS, DHCP, and firewall policy. Responsibilities include network architecture, monitoring, incident response, root-cause analysis, site installations, vendor and ISP management, automation, budget coordination, and Tier-2/Tier-3 escalation support. The role also establishes standardized network designs and leads upgrades through on-site technology teams and external vendors.

Designs, operates, and improves ultra-low-latency trading network infrastructure across colocation sites, exchanges, brokers, venues, and data providers. Responsibilities include WAN and Layer 2/3 architecture, BGP and routing, multicast market data, optical transport, firewalls, load balancing, packet analysis, precision timing, latency monitoring, venue onboarding, automation, change management, vendor coordination, and mentoring.

Design end-to-end datacenter network architectures for AI training and inference: topology, IP/routing, RDMA/lossless fabrics, physical integration (rack, power, cabling), and comprehensive HLD/LLD documentation. Collaborate with hardware, operations, cabling, software, and validation teams to produce deployable, scalable, and performance-validated designs.

Designs, operates, and secures enterprise LAN, WAN, Wi-Fi, VPN, SD-WAN, firewall, and collaboration environments. Supports Zoom, Microsoft Teams, Poly conference rooms, voice services, and global connectivity. Owns conference room readiness, acceptance testing, incident resolution, documentation, standards, and runbooks. Automates repeatable infrastructure work using Python, CLI, APIs, and AI tools while partnering with business leaders, workplace teams, technical staff, and vendors.

Designs, deploys, and maintains secure enterprise network and cloud infrastructure. Manages Palo Alto, Cisco, and Fortinet firewalls, policies, VPNs, SD-WAN, Prisma Access, SASE, security zones, audits, and compliance. Identifies vulnerabilities, leads firewall migrations and upgrades, collaborates with IAM and service delivery teams, and provides technical guidance and troubleshooting support to junior engineers. Requires advanced network security expertise and 7+ years of experience.

Owns the architecture and long-term strategy for Blink Health’s hybrid enterprise network across on-premises and AWS environments. Responsibilities include routing, switching, VPN, firewalls, cloud networking, network automation, security standards, observability, high availability, complex migrations, incident escalation, documentation, and mentoring. The role requires technical leadership across engineering, security, and platform teams, participation in on-call rotation, and up to 10% travel to office sites.

Designs, implements, maintains, and troubleshoots enterprise network and server infrastructure across more than 20 New York City sites. Responsibilities include LAN, WAN, WLAN, VPN, VoIP, firewall, cloud, Windows Server, virtualization, and security administration; capacity planning; hybrid cloud connectivity; disaster recovery; documentation; change management; and on-site infrastructure support. The role also provides L3 troubleshooting, leads technical initiatives, and participates in 24-hour emergency on-call support.

Engineer and administer cellular, LTE/5G, IoT, enterprise voice, and collaboration platforms supporting critical utility operations. Responsibilities include modem provisioning, carrier coordination, outage resolution, device fleet management, VoIP troubleshooting, telecom inventory optimization, vulnerability remediation, infrastructure upgrades, documentation, vendor oversight, and 24x7 incident response. The role also supports emergency operations, field activities, disaster recovery, and network reliability improvements.

Designs, operates, and troubleshoots planetary-scale Azure network fabrics, including Ethernet, RDMA, and InfiniBand back-end networks for AI workloads. Develops resilient network designs, implementation plans, automation, and security reviews; leads cross-team and third-party integrations; resolves production incidents through root-cause analysis, telemetry, and device-level diagnostics; and participates in on-call duties while guiding other engineers.

Designs, deploys, validates, and troubleshoots large-scale GPU cluster networks, including InfiniBand, RoCE, Spectrum-X Ethernet, storage, front-end, and management fabrics. Responsibilities include topology and capacity planning, cabling and optics specifications, fabric bring-up, NCCL performance testing, deployment acceptance, incident escalation, and network automation using Python and Ansible.

Build automation for NVIDIA switches and InfiniBand fabrics, including configuration management, drift reconciliation, NAT gateways, L4 load balancing, and resilient network control loops. Define large-scale network behavior around BGP, convergence, failover, and production failures. Lead technical direction, design standards, and customer deployments while writing production software in Go or Python for AI infrastructure.

Provides hands-on network and IT infrastructure support across branches, corporate offices, remote sites, and data centers. Responsibilities include installing and troubleshooting network devices, supporting wired and wireless deployments, managing operating systems and applications, applying patches, documenting service activity, tracking assets, identifying security risks, and assisting with technology initiatives. The role requires daily travel throughout the New York Metro area, occasional 24/7 support, and physical work involving equipment handling and technical spaces.

Designs, deploys, and optimizes large-scale RoCEv2 data center networks supporting AI and HPC clusters up to 100,000+ GPUs. Leads congestion management, network performance, reliability, automation, validation, and observability initiatives. Provides technical direction across teams, resolves complex production failures, develops network standards and tooling, and mentors engineers while working hands-on with switching, routing, optics, cabling, and high-speed Ethernet fabrics.

Provides enterprise technical leadership for cloud and network modernization across DoD environments. Engineers multi-cloud integrations, secure connectivity, cloud access points, routing and switching, data center technologies, F5 ADC solutions, and Zero Trust architectures. Leads migration planning, compliance with DoD security frameworks, Tier 3/4 troubleshooting, technical documentation, executive recommendations, and cross-disciplinary initiatives. The hybrid role supports DLA and requires periodic onsite work for NIPR/SIPR operations.

Architects and implements enterprise-scale cloud network infrastructure across AWS, Azure, and Google Cloud. Develops Terraform modules and infrastructure-as-code testing, automates deployments through CI/CD pipelines, integrates cloud services with on-premises systems, and supports Kubernetes private-cloud networking. Leads cloud networking strategy, architecture, troubleshooting, incident response, and root-cause analysis while mentoring engineers, documenting solutions, and influencing cloud adoption across technical teams.

Provide Tier 3 enterprise support for AppGate’s ZTNA solution by resolving complex customer issues, troubleshooting deployments and network integrations, analyzing logs, conducting root cause analysis, and testing issues in lab environments. Create technical documentation, present solutions, mentor L2 engineers, collaborate with development and deployment teams, maintain case records, and participate in an on-call rotation.

Joins the Payroll team as a Senior Payroll Analyst. The description provides no additional responsibilities, qualifications, compensation, or work arrangement details.

Provides Tier 1/2 remote network support, diagnosing client issues, provisioning Access Networks solutions, maintaining documentation, updating firmware, monitoring alerts, and preparing RMA tickets. The role requires advanced networking, firewall, switching, wireless, authentication, and encryption knowledge, along with current CCNA certification and four or more years of experience. The engineer also supports client accounts, publishes technical knowledge articles, coaches teammates, and provides occasional after-hours emergency assistance.

Lead the Networks and Environment pillar for a federal Zero Trust acceleration effort. Develop and validate network architecture patterns covering segmentation, policy enforcement, secure connectivity, telemetry, and identity or device integration. Assess hybrid enterprise network implementations, support engineering plans and pilots, create test and rollback plans, evaluate network security technologies, and document implementation lessons and recommendations.

Leads the design, deployment, support, and modernization of large-scale enterprise networks across data centers, campuses, WAN, Internet Edge, hybrid cloud, and market connectivity environments. Provides Tier-3 incident leadership, architects low-latency and resilient infrastructure, drives network automation and Infrastructure-as-Code, and leads security remediation, vulnerability management, migrations, and compliance initiatives. Partners with engineering, security, cloud, application, service provider, and vendor teams.

Leads enterprise network security architecture, engineering, and modernization across cloud and on-premises environments. Designs firewalls, WAF, DDoS protection, Azure connectivity, microsegmentation, Zero Trust, SASE, and SD-WAN solutions. Serves as a Level 3 incident escalation point, drives root-cause analysis and resilience improvements, establishes automation and DevSecOps standards, and mentors engineers. Partners with stakeholders and vendors to deliver secure, scalable network security platforms.