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Senior Security Engineer, Networking

Open 28d North AmericaFull-timeSenior Licensed UK sponsor

Senior Network Security Engineer at CoreWeave designs and deploys security across the data-center perimeter and internal fabrics of its AI-focused cloud platform — firewalls, IDS/IPS, zero-trust segmentation, monitoring and incident response at hyperscale — while mentoring engineers and shaping security policy. Requires 5–10 years of network security experience.

AI Authentication Automation AWS Azure +24 skills

182K – 242K $

Senior Specialist Field Engineer - Networking

NewBe an early applicant APACSenior

CoreWeave is The Essential Cloud for AI™. Built for pioneers by pioneers, CoreWeave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence. Trusted by leading…

AI BGP Cloud DNS EVPN +8 skills

Technical Support Engineer, Application Performance

Open 58d HybridNorth AmericaFull-time H-1B sponsor history

Hybrid (Austin, TX) technical support engineer on Cloudflare's Customer Support team, resolving customer issues via chat, email, and phone on a Tuesday–Saturday schedule (11 AM CT start) while troubleshooting internet/networking problems, testing releases, and maintaining docs and AI workflows. Core technologies: DNS, HTTP(S), SSL/TLS, Linux tooling, and scripting in Bash/Python/JavaScript.

AI Bash BGP Cloudflare DNS +10 skills

CogniSoft Technologies

Network Architect / Domain Lead

NewBe an early applicant RemoteNorth AmericaLead

Network Architect / Domain Lead Location: 100% REMOTE Duration: Long Term Description: Deep Cisco IOS/IOS-XE and SD-WAN experience, including live network migrations BGP/OSPF, 802.1X/ISE, Azure networking, and…

Ansible Azure BGP Cisco iOS +5 skills

IT Helpdesk Specialist

Open 26d Europe

First-line IT support at crypto exchange WhiteBIT: the specialist troubleshoots employee hardware, software, network, and access issues, administers SaaS tools (Google Workspace, Atlassian, Slack, SSO), assists with Juniper/Fortinet/Cisco network gear, VPNs, RADIUS/802.1X, and writes automation scripts in Bash/Python/PowerShell.

API Atlassian Authentication Automation Bash +27 skills

Request Technology, LLC

Principal Network Engineer (New York City Metropolitan Area)

NewBe an early applicant HybridNorth AmericaFull-timePrincipal

We are unable to sponsor as this is a permanent full time role Hybrid, 4 days onsite, 1 day remote Responsibilities: Design and evolve low-latency, highly resilient network architecture across global data center,…

BGP Cloud MPLS OSPF

HOTEL DIEU SAINT JACQUES

Administrateur technique réseau /sécurité - Place EMPLOI Toulouse (H/F)

NewBe an early applicant HybridEuropeFull-time

Le CHU de Toulouse propose divers profils au sein de ses 14 pôles médicaux, ses 5 pôles-médico-techniques mais également dans ses directions supports (administration générale, ressources matérielles et recherche). Nous…

BGP Cisco Cybersecurity Fortinet IPsec +5 skills

deeos-solutions

Team Lead Cloud Platform & Network Engineering (m/f/d)

NewBe an early applicant EuropeLead

Leads an international team of six network engineers that designs, operates, and scales a multi-region AWS network, setting technical direction, standards, and the roadmap while coaching and hiring the team. Core tech: AWS networking (BGP, IPSec, SD-WAN), Terraform/IaC, and enterprise firewalls like Fortinet.

Automation AWS BGP Cloud Cloud Security +9 skills

Network Engineer

NewBe an early applicant HybridEurope

Network Engineer in Lisbon designing, implementing and supporting enterprise LAN/WAN and data center networks: hands-on Cisco routing, switching and wireless, leading migration and optimization projects, and troubleshooting complex incidents. Plus experience valued with firewalls, SD-WAN and Python-based network automation.

API Automation BGP Cisco Firewall +10 skills

Técnico de Suporte de Redes e Segurança - Lisboa

NewBe an early applicant HybridEurope

Network and security support technician in Lisbon (hybrid, 2 days/week on-site) who diagnoses and resolves enterprise switching, routing, Wi-Fi, and firewall issues, configures VPNs, VLANs, and ACLs, and ensures network security compliance using HP, Aruba, and Palo Alto technologies.

BGP Firewall OSPF ServiceNow TCP/IP +1 skills

Cybersecurity Consultant

NewBe an early applicant HybridEurope

At Magic Beans , we are looking for a Cybersecurity Consultant to join our team and contribute to the design, implementation, and continuous improvement of security solutions for our customers. In this role, you will…

API API Gateway Bash BGP Cybersecurity +16 skills

Linux System Administrator (w/m/d) Defense Products

Open 75d HybridEurope

Maintains and secures IONOS’s cloud and hosting infrastructure, including DDoS mitigation, WAFs, and CDN, using Linux, BGP, Ansible, and CI/CD pipelines.

Ansible BGP CentOS Cloud Debian +8 skills

Specialist System Engineer for DNS and Observability team (hybrid)

Open 99d HybridEurope

Specialist System Engineer maintains and improves DNS and observability infrastructure for a large European cloud provider, using Linux, Puppet, Kafka, Grafana, and AI-assisted IaC while ensuring compliance with NIS2 and ISO 27001.

Agile AI Ansible Atlassian Automation +36 skills

Linux - System Administrator (f/m/d) Defense Products

Open 83d HybridEurope

Administer and secure IONOS’s cloud infrastructure by operating DDoS defenses, WAFs, and CDN while automating Linux systems with Ansible, Puppet, and Python.

Agile AI Ansible Automation BGP +19 skills

Linux System Administrator (f/m/d) Defense Products

Open 83d HybridEurope

The Linux System Administrator will manage and operate large-scale defense platforms to protect infrastructure against DDoS and cyber threats. The role involves working with Linux-based systems, network routing protocols, and automation tools like Ansible and Python in a hybrid, agile environment.

Agile AI Ansible Automation BGP +19 skills

Linux Systems Engineer in Domains Retail Operations team (hybrid)

NewBe an early applicant HybridEuropeMiddle

Runs and evolves the Linux platform (~700 servers) behind IONOS's Domains, DNS and SSL products from the Bucharest office: provisioning, configuration management, monitoring/automation, and on-call incident response. Core stack: Debian, Puppet, Docker/Kubernetes, Apache/Nginx/Tomcat, Kafka, Redis, MongoDB, Elasticsearch, Icinga/Prometheus/Grafana/ELK.

ActiveMQ Agile AI Automation Bash +29 skills

Staff Software Engineer (f/m/d) Software-Defined Networking

NewBe an early applicant HybridEuropeStaff

About IONOS At IONOS, we don't just manage servers – we shape the digital future for more than 6.2 million customers worldwide with our solutions. As Europe's leading hosting provider and a pioneer in independent cloud…

Agile AI Automation BGP CLI +14 skills

Senior DevOps Engineer

NewBe an early applicant RemoteNorth AmericaSenior

Senior DevOps Engineer at DigiCert, a digital-trust/PKI security company, driving infrastructure automation, monitoring, and reliability for its platform. Day-to-day work centers on Linux system administration, AWS, Terraform/Ansible/Packer automation, observability, and networking (BGP/DNS), with on-call rotation and mentoring duties.

AI Ansible API Automation AWS +19 skills

150K – 160K $

Automation Engineer (Cisco CNC Upgrade)

Open 23d RemoteNorth America H-1B sponsor history

Company Description Zayo provides mission-critical bandwidth to the world’s most impactful companies, fueling the innovations that are transforming our society. Zayo’s 141,000-mile network in North America and Europe…

API Automation BGP CI/CD Cisco +16 skills

Squarepoint Capital

Network Specialist - Core

Open 134d North America, UK Licensed UK sponsor

Designs, builds, and secures scalable enterprise networks (LAN/WAN/datacenter/cloud) for Squarepoint’s infrastructure, collaborating with engineering teams to ensure high availability, performance, and automation while troubleshooting L3 issues and evaluating new technologies.

Ansible Arista Automation AWS Azure +20 skills