Top Senior Network Engineer Jobs in NYC, NY

Lead the technical direction and development of scalable batch and streaming data pipelines and products. Establish data quality, observability, freshness, recovery, governance, and cost standards; investigate production incidents; and build trusted data context layers with lineage, metric semantics, ownership, and governed access. Apply AI-assisted workflows to pipeline development, validation, and troubleshooting while mentoring engineers and influencing architecture across teams.

Designs, stages, tests, validates, and certifies network platforms and solutions. Requires strong LAN/WAN engineering, routing and switching, Cisco Catalyst and Nexus expertise, Linux administration and networking knowledge, operating systems understanding, and hands-on Python automation experience. The role emphasizes Linux and programming alongside core networking responsibilities.

Designs, deploys, and operates resilient network infrastructure across global offices, including LAN, Wi-Fi, routing, switching, firewalls, automation, observability, and security. Leads architecture, RFCs, design reviews, migrations, incident response, root-cause investigations, and production readiness. Evaluates technologies and vendors, owns network service health and lifecycle, partners cross-functionally, mentors engineers, and improves reliability, operational standards, documentation, and change safety.

Designs, implements, supports, and improves enterprise Azure, hybrid, on-premises, and network security environments. Owns complex routing, switching, firewall, SD-WAN, cloud connectivity, and automation solutions. Provides L3 escalation support, incident triage, root cause analysis, client advisory, documentation, and technical leadership across managed services environments. Mentors engineers, improves standards and monitoring, supports migrations, and automates deployments using infrastructure-as-code and scripting tools.

Design and own scalable data center networks for a heterogeneous AI inference fleet. Responsibilities include leaf-spine architecture, GPU-to-ASIC connectivity, site deployment, cabling, cross-connects, external connectivity, tenant isolation, automation, monitoring, incident response, and vendor management. The role requires hands-on network design and deployment across high-performance AI/HPC environments and close collaboration with platform engineering.

Designs, implements, and supports high-performance IP network infrastructures for live broadcasting and media production. Responsibilities include SMPTE-based IP broadcast integration, PTP timing, multicast, QoS, RDMA/RoCEv2 optimization, network architecture, technical consulting, tender design, troubleshooting, and documentation. The role requires expertise in Cisco or Arista media networking platforms, uncompressed 4K/8K media transport, network resiliency, and broadcast workflows.

Designs and implements defensible network security infrastructure for New York City government agencies. Responsibilities include reviewing security architecture, identifying gaps, developing risk management plans, building and testing cyber defense systems, implementing continuous monitoring, administering security tools, automating controls, integrating security procedures, coordinating with technical teams, and supporting cybersecurity vendor procurement. The role operates within a 24/7 environment and may require nights, evenings, or weekends.

Designs, implements, operates, and automates Cisco and Arista spine-leaf data center and DMZ networks. Engineers F5 BIG-IP load balancing and security services, develops Python and Ansible automation, and supports routing, switching, segmentation, and resiliency. Responsibilities include implementation planning, testing, change management, Level 3 incident escalation, root cause analysis, audits, documentation, operational handoff, and mentoring junior engineers.

Designs, implements, administers, and optimizes Avalon's multi-region AWS network infrastructure. Responsibilities include architecting VPCs, routing, connectivity, security, resiliency, monitoring, disaster recovery, capacity planning, and network automation. The role collaborates with infrastructure, security, application, and DevOps teams, troubleshoots complex issues, documents architectures and runbooks, and provides technical leadership and training. Remote work is available with quarterly travel to Tampa, Florida.

Assists with daily administration and operations of a multi-site NYC Department of Transportation network. Maintains, configures, troubleshoots, monitors, secures, and documents network devices while coordinating with the network infrastructure team and following cybersecurity hardening policies. Requires foundational knowledge of networking standards, communication protocols, Ethernet topologies, and a minimum CCNA certification, along with qualifying education and professional LAN/WAN experience.

Operates and designs hybrid on-premises and AWS network infrastructure, including VPCs, Transit Gateway, VPN, Direct Connect, routing, firewalls, and security controls. Leads CIDR remediation, maintains network documentation and IPAM records, automates infrastructure with Terraform, Ansible, and Python, and supports FedRAMP-aligned environments. The role coordinates Network and Cloud Ops teams, mentors engineers, manages vendors, handles Tier 1 and Tier 2 escalations, and participates in a 24x7 on-call rotation.

Lead Cisco’s Americas-first incubation sales engineering team for Multicloud Fabric. Develop go-to-market strategies, qualification and proof processes, adoption gates, sales playbooks, pipeline rigor, enablement, and executive reviews. Partner with product and engineering teams to validate product-market fit, shape roadmaps, develop reference architectures, reduce deployment friction, and transition successful incubation offerings to broader sales organizations.

Designs reference architectures for AI and data center networks, including BGP, EVPN/VXLAN, RoCEv2, and QoS. Builds and operates labs to qualify switches, NICs, and network operating systems; tests interoperability and performance; reproduces customer issues; and diagnoses routing, congestion, packet loss, MTU, and latency problems across GPU, fabric, and storage paths. Documents best practices, develops automation, collaborates with vendors and internal teams, and feeds findings into product development.

Design, operate, and troubleshoot large-scale multi-vendor IP networks, Wi-Fi deployments, and authentication systems. Build Python, Bash, and vendor API automation for provisioning, configuration, diagnostics, and lifecycle management. Progressively develop software services integrating with network infrastructure using REST APIs, Linux, containers, and AWS. Serve as the network protocols subject-matter expert, support architectural and security reviews, document standards, mentor teammates, and participate in Agile development and on-call rotation.

Provides technical leadership for cybersecurity engineering on AWACS aircraft and ground-system modernization programs. Responsibilities include secure network and communications architecture, RMF compliance, ATO/IATT and POA&M development, cyber risk assessments, avionics and mission-system integration, TEMPEST compliance, security requirements, and design reviews. The role supervises personnel and collaborates with systems, software, avionics, and test engineering teams. Active Secret clearance and significant military aviation cybersecurity experience are required, with 25–35% domestic and international travel.

Designs and integrates tactical networked communications solutions involving SATCOM, terrestrial wireless, SD-WAN, and open system interfaces. Supports rapid prototyping, systems engineering, cybersecurity infrastructure, and customer-focused troubleshooting. Develops technical designs and white papers, monitors emerging technologies, collaborates with engineering teams and customers, and briefs senior leadership on complex technical matters. The role requires a Secret clearance, U.S. citizenship, technical certifications, and 25–30% travel.

Designs and integrates networked communications solutions for tactical and military environments, including SATCOM, terrestrial wireless, SD-WAN, RF, and open-system interfaces. Develops system architectures, supports rapid prototyping, resolves customer issues, tracks emerging technologies, and briefs senior leadership on technical matters. Requires collaboration with customers and engineering teams, technical white-paper writing, cybersecurity knowledge, and up to 50% CONUS and OCONUS travel.

Designs and evaluates large-scale, multi-vendor fiber access networks using advanced PON technologies. Architects integration with routing, IP/MPLS, and optical transport systems; leads OLT and ONT platform evaluations; reviews high-level designs and migration strategies; provides complex troubleshooting and client advisory support; and mentors junior network engineers. The role also develops client-facing engineering deliverables and supports technical engagements, budgets, timelines, and vendor coordination.

Leads global network infrastructure engineering across campus and WAN environments, with deep expertise in enterprise wireless design, deployment, troubleshooting, and performance optimization. Analyzes complex infrastructure issues, architects modernization initiatives, drives multiple programs, advises senior leaders, and ensures compliance, resiliency, security, and auditability. Promotes validated AI-assisted practices for infrastructure analysis, automation, documentation, and incident prevention.

Oversee global data center network infrastructure operations, including deploying, repairing, installing, and decommissioning servers, storage systems, routers, switches, cabling, firmware, and software. Monitor and troubleshoot hardware, coordinate deployments and rack designs, manage inventory and shipping, support data center migrations and upgrades, and collaborate with Network Operations Centers and on-site technicians.

Own and improve network, firewall, cloud, endpoint, identity, email, and SaaS security controls. Responsibilities include firewall administration, VPNs, segmentation, secure architecture, traffic and log analysis, incident investigation, vulnerability remediation, security monitoring, technical project support, compliance evidence, and automation. The role collaborates with Infrastructure and DevOps teams, troubleshoots complex connectivity and security issues, and applies least-privilege, Zero Trust, and defense-in-depth principles.

Provides remote and on-site IT infrastructure support for global programs and projects. Evaluates requirements, recommends technical solutions, maintains servers and networks, provisions Azure environments, deploys connectivity systems, installs cabling, troubleshoots issues, supports security assessments, and documents processes. The role requires collaboration with technical teams and stakeholders, worldwide travel, cloud and network expertise, relevant certifications, U.S. citizenship, and eligibility for a DoD Secret clearance.

Designs, implements, and manages enterprise SD-WAN, SASE, network security, cloud networking, and UCaaS solutions for managed-services clients. Leads network transformation projects, serves as a technical escalation point, mentors engineers, develops automation, creates documentation, and supports uptime SLA compliance. The role requires advanced expertise across Cato, Fortinet, Versa, Cisco Meraki, routing, switching, multi-cloud connectivity, Zero Trust architectures, and network programmability.

Designs, implements, and maintains large-scale distributed networks supporting a DoD Zero Trust program. Responsibilities include SD-WAN architecture, router, switch, and firewall administration, network upgrades, troubleshooting, traffic analysis, documentation, disaster recovery, standards compliance, and coordination with IT teams and vendors. The role serves as a Zero Trust network architecture subject matter expert, mentors junior engineers, and supports installations and migrations across multiple global locations.

Designs, implements, configures, and maintains distributed enterprise networks supporting a DoD Zero Trust program. Responsibilities include SD-WAN architecture, routing and switching, firewall and network security administration, troubleshooting, upgrades, documentation, disaster recovery, traffic analysis, standards compliance, vendor coordination, and mentoring junior engineers. The role supports installations, migrations, and configurations across multiple global locations while ensuring alignment with DoD regulations and Zero Trust requirements.