440 sr network engineer jobs at 237 companies in Fairfield, CT

4w
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Sr. Network Engineer
Scottsdale or San Francisco or Chicago or New York City
$94k-$130k/yr HybridFull Time
Early Warning Services
Early Warning Services: Operates payment and risk solutions for the financial industry.
5+ YOEBachelor's or equivalent; 5+ years network engineering experience; expertise in LAN/WAN, routing protocols (BGP, OSPF, EIGRP), firewalls, load balancers, cloud networking (AWS), virtualization, scripting/automation (Python, Bash, Ansible); pass background and drug screen.
BGP, OSPF, EIGRP, Cisco, Palo Alto, F5, ESX, vSwitch, VDS, Python, Bash, Ansible, AWS, TCP/IP, DNS, DHCP, HTTP/S, SSH, SMTP
1mo
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Staff Network Engineer, Backbone
Livingston or New York City or Sunnyvale or Bellevue
$207k-$270k/yr OnsiteFull Time
CoreWeave
CoreWeaveNASDAQ: CRWV: Cloud platform providing GPU-accelerated infrastructure for AI workloads.
10+ YOE10+ years operating large-scale backbone or service provider networks; expertise in SR-MPLS, IS-IS, BGP, Segment Routing, EVPN; network automation with Python, Ansible, APIs, Git/CI-CD; experience with Nokia SR OS, Juniper Junos, Linux; bachelor’s degree or equivalent preferred.
Python, Ansible, APIs, Infrastructure-as-Code, Git, CI/CD, NetBox, Ciena, Nokia SR OS, Juniper Junos, Linux, SR-MPLS, IS-IS, BGP, Segment Routing, EVPN, DWDM
2mo
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Sr. Network Engineer
New York, New York, United States
$155k-$175k/yr HybridFull Time
Empire State Realty Trust
Empire State Realty TrustNYSE: ESRT: Owns and operates office, retail, and residential New York real estate.
8+ YOE8+ years enterprise network engineering (multi-site), 3+ years senior/lead experience; deep Palo Alto / Panorama, Aruba, Zscaler, Okta, Azure, VMware, BGP/OSPF, SAN/NAS, and compliance (PCI-DSS/SOX) knowledge; PCNSE preferred.
Palo Alto, Panorama, Aruba, Aruba Central, BGP, OSPF, VLAN, VPN, QoS, DNS, Zscaler ZIA, Zscaler ZPA, Proofpoint, BitSight, Okta, SCIM, Microsoft Azure, Microsoft 365, Exchange Online, VMware vSphere, SAN, NAS, Active Directory, Windows Server 2019, Windows Server 2022, Windows Server 2025, Linux, Azure Firewall, ExpressRoute, VPN Gateway, Azure AD, Entra, GlobalProtect, WildFire, App-ID, User-ID
21h
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Senior Network Engineer
New York City or Pittsburgh
OnsiteFull Time
Blink Health
Blink Health: Digital platform for affordable prescription medications and pharmacy access.
8+ YOE8+ years network engineering experience with physical infrastructure and AWS networking; hands-on Meraki and Palo Alto experience; Terraform and scripting (Python/Bash); strong troubleshooting and incident ownership.
Meraki, Palo Alto, Starlink, AWS, Terraform, Terragrunt, CloudFormation, Ansible, Wireshark, tcpdump, ThousandEyes, Fiddler, nmap, PRTG, Nagios, Grafana, New Relic, GitHub, Python, Bash, Kubernetes, Route 53, Transit Gateway, Direct Connect, Panorama, Global Protect, ALB, NLB
1mo
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Principal Network Engineer
Chicago or New York City
$164k-$241k/yr HybridFull Time
Cboe
CboeBATS: CBOE: Operates global market infrastructure and provides tradable financial products.
10+ YOE10+ years network engineering experience in low-latency environments, expert routing (BGP/OSPF/MPLS), Python automation, observability (Prometheus, Grafana), AWS hybrid networking, and strong communication skills.
Python, Prometheus, Grafana, AWS Direct Connect, Transit Gateway, VPCs, BGP, OSPF, MPLS, PIM-SM/SSM, SSH, API
1w
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Sr Network Engineer
New York, New York, United States
$120k-$150k/yr OnsiteFull Time
Versant
VersantNasdaq: VSNT: Operates cable television networks and digital media entertainment platforms.
Design and support enterprise campus, data center, WAN, cloud, and wireless networks; strong Cisco and Palo Alto experience; cloud networking and SD-WAN experience preferred; participate in on-call rotation.
Cisco, Palo Alto Networks, AWS, Ansible, Terraform, Python, SD-WAN, MPLS, BGP, OSPF, VLAN, VPN, QoS, multicast, DNS, DHCP, VPC, Transit Gateway, Direct Connect
6d
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Production Network Engineer
New York or United States
$162k-$227k/yr HybridFull Time
Meta
MetaNASDAQ: META: Develops social networking platforms and virtual reality technologies.
8+ YOEBachelor's degree or equivalent,8+ years production network engineering experience, expertise with BGP/OSPF/IS-IS/MPLS, Python automation, incident response, and cross-functional leadership.
Python, BGP, OSPF, IS-IS, MPLS
3w
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Network Engineer Senior
Johnston or Holtsville or Lincolnshire
$97k-$145k/yr HybridFull Time
Zebra Technologies
Zebra TechnologiesNASDAQ: ZBRA: Provides enterprise-grade hardware and software for asset tracking.
5+ YOEBachelor's or equivalent,5+ years enterprise network engineering experience, expertise with Zscaler, Cisco Nexus, HPE Mist, Meraki, Palo Alto; strong routing (BGP,OSPF), cloud (AWS,Azure,GCP), and security skills.
Zscaler Internet Access (ZIA), Zscaler Private Access (ZPA), Zscaler Digital Experience (ZDX), Zscaler Branch Connectors (ZTB), Cisco Nexus Dashboard, HPE Mist Wireless, Cisco Meraki, Cisco Enterprise Wireless, Palo Alto Firewalls, BGP, OSPF, TCP/IP, AWS, Azure, GCP
1mo
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Network Engineer, Design & Engineering
New York City or San Francisco or Austin
$200k-$275k/yr OnsiteFull Time
Fluidstack
Fluidstack: Provides high-performance cloud GPU infrastructure for AI development.
5+ YOE5+ years network engineering experience with datacenter fabric design, deep L1–L3 expertise (BGP, EVPN/VXLAN), RDMA/InfiniBand/RoCEv2 knowledge, GPU cluster network experience, strong documentation and cross-functional collaboration.
Arista, Juniper, NVIDIA, Mellanox, Broadcom, AMD, BGP, EVPN/VXLAN, ECMP, RDMA, InfiniBand, RoCEv2, PFC, ECN, DCQCN, NVLink, NVSwitch, DCIM
1d
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Senior Network Engineer
New York City, New York, United States
$200k-$300k/yr OnsiteFull Time
Jane Street
Jane Street: Proprietary quantitative trading and technology firm.
7+ YOE7+ years operating and deploying network infrastructure with 3+ years designing networks; deep routing/protocol knowledge; Linux proficiency; programming and automation experience; strong documentation and collaboration skills.
OSPF, BGP, PIM-SM, TCP, UDP, Linux, EVPN, VXLAN, AI/ML
2w
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ITS Sr Engineer I / IS Network
Farmington, Connecticut, United States
HybridFull Time
Hartford HealthCare
Hartford HealthCare: Hartford HealthCare provides medical services through hospitals and clinics.
5+ YOEBachelor's in IT or equivalent, minimum 5 years enterprise network engineering, hands-on Cisco/Arista experience, firewalls (Palo Alto/Check Point), routing (BGP/MPLS), VPNs, network monitoring, and on-call availability.
Arista, Palo Alto, Check Point, Arista CVP, SolarWinds, Cisco Prime, Netskope ZTNA, Google Cloud, Microsoft Azure, Meraki, Cisco IOS, IOS-XE, NX-OS, ACI, ASA
1w
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Senior Network Engineer
New York City, New York, United States
$160k-$180k/yr HybridFull Time
Convene
Convene: Operates premium meeting venues and flexible office spaces worldwide.
10+ YOE10+ years deploying and managing enterprise networks; deep L2/L3, WAN, VPN, WiFi, multicast, SD-WAN/MPLS knowledge; Juniper/Cisco experience; Linux and cloud networking experience; automation with Ansible.
Juniper JunOS, SRX, EX, QFX, Cisco IOS, ASA, K8s, Ansible, AWS, KVM, RHEL, Jira, SD-WAN, MPLS, VPLS, IGMP, PIM, RADIUS, AAA
2mo
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Senior Network Engineer
New York City or San Francisco or Seattle or London or United States
$150k-$190k/yr RemoteFull Time
Lightning AI
Lightning AI: Unified platform to build, train, and deploy AI models.
5+ YOE5+ years large-scale data center networking experience with Cumulus NOS, spine/leaf design, BGP/EVPN/VXLAN, HPC/GPU networking, automation (Python/Ansible/Terraform), and strong documentation skills.
Cumulus NOS, SONiC, Junos, Python, Ansible, Terraform, EVPN, VXLAN, BGP, RoCE, RDMA, InfiniBand, VPC, NFV, Direct Connect, Cloud Connect, NVIDIA Spectrum, NVIDIA Quantum, NVIDIA BlueField
1mo
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Principal Network Engineer - AI Infrastructure
New York, New York, United States
$144k-$288k/yr HybridFull Time
CVS Health
CVS HealthNYSE: CVS: Provides retail pharmacy, health insurance, and pharmacy benefit management services.
10+ YOE10+ years network engineering experience with 5+ years in leadership/architecture; data center (leaf-spine, EVPN/VXLAN), BGP/OSPF/MPLS, Palo Alto firewalls, AI/GPU networking, and incident/on-call support.
NVIDIA, Cisco, Cisco Nexus, ACI, EVPN, VXLAN, BGP, OSPF, MPLS, STP, SD-WAN, VPN, Palo Alto Networks, NGFW, IDS/IPS, ZTNA, DLP, F5, NetFlow, Wireshark, SolarWinds, RoCE, PFC, ECN
1w
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Senior Network Engineer II
New York, New York, United States
$104k-$194k/yr HybridFull Time
Nielsen
Nielsen: Measures media audience engagement and provides data-driven advertising insights.
10+ YOEManage corporate LAN and Wi‑Fi, troubleshoot end-user network issues, support VPN/firewall migrations, and work with NOC and IT teams; 10+ years network engineering experience.
Cisco, Meraki, Palo Alto, Fortinet, SD-WAN, SASE, ZTNA, 802.1x, NAC, RADIUS, EAP-TLS, DNS, DHCP
1mo
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Network Engineer
McLean or Tampa or New York City or San Francisco or Los Angeles or Irvine or Washington
$76k-$141k/yr HybridFull Time
Thomson Reuters
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
5+ YOEBachelor's or equivalent experience, 5+ years network engineering, experience with AWS networking, Cisco and Palo Alto platforms, VMware, container networking, automation (Terraform, Ansible), scripting (PowerShell, Linux shell), monitoring (Nagios, Splunk), and ability to obtain U.S. national security clearance; U.S. citizenship required.
AWS, Transit Gateway, VPCs, Route53, Terraform, Ansible, GitHub, Nexus NX-OS, Catalyst IOS, Firepower FTD, FMC, PAN-OS, VMware vSphere, LACP, IPsec, IKEv2, ZTNA, SDP, Nagios, Splunk, Linux, Apache, Tomcat, PowerShell, Linux shell, SOC2, STIG, NIST
1mo
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Senior Engineer, Network Observability
Warsaw or Bellevue or Ireland or Livingston or London or New York or Sunnyvale
OnsiteFull Time
CoreWeave
CoreWeaveNasdaq: CRWV: Cloud computing infrastructure specialized for large-scale AI workloads.
Experience building and operating network observability: Prometheus/Grafana/Alertmanager, gNMI/SNMP, Python/Go/Bash, Kubernetes, Linux networking; telemetry collectors/exporters, on-call support, and mentoring junior engineers.
Prometheus, Grafana, Alertmanager, gNMI, SNMP, Python, Golang, Go, Bash, Kubernetes, Ansible, Jinja2, TensorFlow, scikit-learn, OpenTelemetry, Jaeger, Zipkin, Arista EOS, NVIDIA Cumulus Linux, Nokia SR OS, SR Linux, Linux
1mo
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Staff Platform Network Engineer
New York City or Los Angeles or Atlanta or Jersey City or Canada or Puerto Rico or United Kingdom or Ireland or Portugal or Romania or Australia
$159k-$209k/yr HybridFull Time
FanDuel
FanDuelNYSE: FLUT: Offers online sports betting and daily fantasy sports services.
Significant hands-on platform engineering/SRE experience with Kubernetes networking, service mesh, AWS networking, service-to-service security, automation and tooling; proficiency in at least one modern language (Go, Java, Python, TypeScript).
AWS, VPC, Transit Gateway, Cloud WAN, ALB, NLB, Route 53, CloudFront, Outposts, Kubernetes, EKS, Kong Gateway, Kong Mesh, Impart, Terraform, Helm, Datadog, Istio, Linkerd, Envoy, CNIs, Cilium, eBPF, Go, Java, Python, TypeScript
2d
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Network Engineer
New York, New York, United States
$102k-$147k/yr OnsiteFull Time
Paul Hastings
Paul Hastings: International law firm providing legal and regulatory consulting services.
6+ YOE6+ years network engineering experience, bachelor\u0002s degree or equivalent, deep expertise in BGP/OSPF/EIGRP, SD-WAN, global WAN, Microsoft Azure/AWS cloud networking, QoS, automation (Ansible/Python); certifications preferred.
Wi-Fi, BGP, OSPF, EIGRP, SD-WAN, Microsoft Azure, AWS, Ansible, Python, Arista, Brocade, Cisco, CATO, Palo Alto, Silver Peak, SolarWinds, Wireshark, Scrutinizer
6d
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Network Engineer
Eagle or Salt Lake City or Farmington or Nashville or Draper
OnsiteFull Time
The Pennant Group
The Pennant GroupNASDAQ: PNTG: Provides home health, hospice, and senior living services across America.
Bachelor's or equivalent experience; proven network engineering experience with Palo Alto and Microsoft Azure; knowledge of routing, switching, VPNs, BGP, firewall configuration, monitoring and automation.
Palo Alto, Aruba Clearpass, Microsoft Azure, SolarWinds, Netbox, BGP, Sophos