Network security startups hiring now

Presidio

New York City, US · Private Equity

Presidio provides technology consulting and IT services for organizations. It helps customers plan, build and operate technology systems and AI services.

105 open roles27% remote

Cato Networks

Tel Aviv, IL · Series G

The platform provides firewall-as-a-service, secure web gateway, intrusion prevention, malware prevention, DNS security, and zero-trust network access.

98 open roles20% remote

OPSWAT

Tampa, US · Series D

OPSWAT is a cybersecurity company that protects critical infrastructure by securing files, devices, and data transfers across IT, OT, and air-gapped networks.

84 open roles55% remote

Infoblox

Santa Clara, US · Private Equity

Infoblox provides networking solutions that offer network control, automation, and DNS security through appliance-based solutions.

83 open roles48% remote

Trellix

plano, US · Private Equity

Trellix provides cybersecurity software that connects threat intelligence and security controls. Organizations use its platform to detect, investigate and respond to attacks.

57 open roles76% remote

Tailscale

Toronto, CA · Series C

Tailscale is a Zero Trust identity-based connectivity platform that replaces legacy VPN, SASE, and PAM and connects remote teams, multi-cloud environments, CI/CD pipelines, Edge & IoT devices, and AI workloads. It enables encrypted point-to-point connections using the open source WireGuard protocol.

53 open roles81% remote

SonicWall

Milpitas, US · Post Ipo

SonicWall is an American cybersecurity company that sells a range of Internet appliances primarily directed at content control and network security. It provides network, content, web, and email security, remote access, and business continuity solutions.

47 open roles36% remote

ExtraHop

Seattle, US · Private Equity

ExtraHop gives organizations visibility into the cyber threats, vulnerabilities, and network performance issues that evade their existing security and IT tools. The ExtraHop RevealX platform delivers a complete, unified view of the network for the largest enterprises in the world.

26 open roles77% remote

Cape

Arlington, US · Series C

Cape is America's privacy-first mobile carrier. Cape provides its secure network to consumers, businesses, and government agencies. Cape is a mobile virtual network operator (MVNO) that has built and runs its own mobile core and SIMs. Cape offers features such as SIM swap protection, defense against network-level signaling attacks, and nationwide 5G and 4G coverage.

23 open roles4% remote

Aviatrix

Santa Clara, US · Series E

Aviatrix provides cloud networking software that allows enterprises to build a cloud network backbone and connect gateways across regions, cloud service providers, and data centers. The Aviatrix Cloud Network Security platform delivers secure networking built specifically for the cloud, with a Cloud Native Security Fabric that governs workload communication paths from a single policy plane.

18 open roles50% remote

Stellar Cyber

Santa Clara, US · Series B

Stellar Cyber provides an open security operations platform that includes AI-driven SIEM, NDR, Open XDR, and Multi-Layer AI under one license. The platform unifies data from any tool, cloud, or source into a single MITRE-aligned case timeline to detect and respond to threats.

17 open roles94% remote

Zero Networks

Tel Aviv, IL · Series C

The platform combines microsegmentation, identity-based access control, and ZTNA to stop lateral movement.

11 open roles45% remote

Formal

San Francisco, US · Seed

Formal is a data security platform that helps teams understand and control their data on autopilot. It builds a modern protocol-aware reverse-proxy for datastores and APIs that enables granular control down to the packet level.

11 open roles0% remote

NetBird

Berlin, DE · Series A

NetBird is an open-source zero-trust network security platform that creates secure private networks for organizations.

11 open roles100% remote

Xage Security

Palo Alto, US

Xage’s Zero Trust for AI provides jailbreak-proof security for LLMs, agents, AI pipelines, and data sources through network-level least-privilege access control l enforcement.

10 open roles40% remote

Corelight

San Francisco, US · Series E

Corelight provides an open network detection and response (NDR) platform. The platform uses AI-powered detection and Agentic Triage. Corelight's global customers include Fortune 500 companies, major government agencies, and large universities.

9 open roles

FireMon

Lenexa, US · Private Equity

FireMon provides a network security policy management platform. It helps security teams manage firewall rules, automate policy changes, assess risk, and analyze security policy data.

8 open roles75% remote

Tigera

San Jose, US · Series B

Tigera delivers unified control and visibility for AI workloads and agents, and is the creator and maintainer of Calico Open Source, the most widely used container networking and security solution. The company's offerings secure Kubernetes workloads and AI agents across 1M+ clusters in multicloud and hybrid environments.

7 open roles0% remote

EFFICIENT IP

La Garenne-Colombes, FR · Series B

EfficientIP is a network security and automation company, specializing in DNS-DHCP-IPAM (DDI). Its SOLIDserver suite of hardware and virtual appliances delivers DNS security solutions, VLAN/VxLAN/VRF, and IP address management.

5 open roles0% remote

DNSFilter

Washington, US · Series A

DNSFilter is a cybersecurity company that provides AI-powered protective DNS and content filtering to block malware, phishing, and unwanted sites. Its solution secures workers anywhere they are, helping to boost productivity, minimize compliance risk, and protect corporate brands on public Wi-Fi networks.

5 open roles0% remote

Galvanick

seattle, US · Seed

Industrial cyber attack protection

5 open roles20% remote

ZeroTier

San Francisco, US · Series A

ZeroTier delivers a software-defined network overlay that connects devices, clouds, and networks anywhere in the world while improving security and reducing complexity. Its platform provides highly secure, peer-to-peer virtual networks relied upon by millions of users and businesses.

5 open roles80% remote

Gatewatcher

Paris, FR · Debt Financing

Gatewatcher is a European cybersecurity company that provides a Network Detection and Response (NDR) platform for intrusion detection and advanced threat detection.

4 open roles25% remote

OSIIC

Paris, FR

L'OSIIC assure les communications protégées des plus hautes autorités de l'État (Président de la République et Gouvernement) en tout temps et en tous lieux. Il développe, déploie et administre les systèmes d'information interministériels classifiés notamment ceux nécessaires à la gestion des crises et à la continuité de l'État et de l'action gouvernementale.

4 open roles0% remote

Abusix

Boston, US

Abusix offers email and network security solutions for ISPs, Telcos, and Cloud & Hosting providers to stop email-borne threats and network abuse. Its SaaS Abuse Management Platform (AbuseHQ) enables security teams to gain visibility within their networks and react to abuse cases in an automated way.

1 open roles

Palo Alto Networks

Santa Clara, US · Post Ipo

Palo Alto Networks provides cybersecurity services to enterprises, government, and service providers. The company offers zero trust network security, cloud security, security analytics and automation, threat intelligence, and security consulting, and secure access service edge.

1,280 open roles13% remote

Cloudflare

San Francisco, US · Post Ipo

Cloudflare is a global cloud services provider that delivers a broad range of services to businesses of all sizes, making them more secure and enhancing the performance of their business-critical applications. Its platform spans content delivery, DNS, DDoS protection, web and API security, Zero Trust access, wide-area networking, and developer tools.

393 open roles52% remote

Akamai Technologies

Cambridge, US · Post Ipo

Cloud computing, cybersecurity, and content delivery

265 open roles94% remote

Trend Micro

yoyogi, JP · Post Ipo

Trend Micro provides cybersecurity software for businesses. Its platform helps security teams protect AI systems and manage threats.

165 open roles14% remote

Sophos

Abingdon, GB · Private Equity

Sophos provides cybersecurity products and services including endpoint, network, email, and cloud security, enhanced with Managed Detection and Response (MDR) and security advisory services. Its solutions combine machine learning, automation, and real-time threat intelligence with frontline human expertise from Sophos X-Ops to deliver advanced, 24/7 threat monitoring, detection, and response.

81 open roles84% remote