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Ingénieur Systèmes et Réseaux (H/F)
Systems and network engineer at CELAD, deployed at a client site in Lorient to reinforce their IT team: administering Windows Server/Linux and network infrastructure, ensuring availability and security, resolving incidents, and evolving the environments. Requires 4-5 years of sysadmin/network experience; hybrid (2 remote days/week); CDI, freelance, or portage contract.
Senior Network Engineer - Cisco, Fortinet & Data Center
Tech Junction is hiring a Senior Network Engineer in Sharjah, UAE to lead enterprise networking, data center, and firewall environments — configuring Cisco IOS/NX-OS routing (OSPF, BGP, VLANs, VRFs) and deploying Fortinet FortiGate and Palo Alto firewalls with VPNs and security hardening.
Network Administrator
The infrastructure department of our global network team is seeking a Network Administrator who can bring their expertise to life in our dynamic team of gaming & tech enthusiasts. As Network Administrator, you will be…
IT Network Engineer
IT Network Engineer at Portwest, a global workwear and PPE manufacturer, based in Westport, Ireland. The role owns the company's global network — FortiGate/SonicWall firewalls, switches, wireless, VPNs — covering day-to-day operations and security, infrastructure upgrades, and standardisation across international sites, working alongside Infrastructure and Cyber Security teams.
IT-Administrator Infrastruktur
Infrastructure IT administrator at logistics company GO! Express & Logistics, running and evolving a hybrid Microsoft environment: Windows Server, Active Directory/GPO, VMware vSphere, Azure/Entra ID and Microsoft 365, plus PowerShell automation, monitoring, patch/backup management and 2nd/3rd-level troubleshooting.
Network Engineer - Junior/Basic level
Junior network engineer at a government contractor supporting a US Navy customer on-site in Lexington Park, MD. Day to day: security monitoring and incident escalation, IA defense-in-depth, PKI, firewall and VPN work. Core tech includes Palo Alto NGFW, Cisco (Catalyst Center, ISE), Juniper, IDS/IPS, Wireshark/SolarWinds, VMware NSX, and Infoblox.
Help Desk L2 - Network & Sys Admin
An L2 systems engineer at an MSP handling escalated client issues across Windows Server, Active Directory, Microsoft 365, network infrastructure (VLANs, firewalls, VPNs), and VMware, with growth toward Azure/cloud and senior engineering roles.
Analista de Suporte de TI Jr
Junior IT support analyst at an automotive group in Vinhedo, Brazil, handling N1/N2 tickets on-site, by phone, and remotely. Day-to-day covers Windows and Microsoft 365 administration, Active Directory/GPO, hardware setup, basic networking, virtualization, backup routines, and data center upkeep.
Senior System Administrator
Senior System Administrator (on-site in Kyiv) for the growing IT department of a defense electronics manufacturer, sourced via the Everstar agency. Day to day: administering Windows Server/Linux, virtualization (VMware/Hyper-V), Active Directory, monitoring and security tooling (EDR/SIEM/firewalls), plus automation with PowerShell/Bash/Python.
Analista de Infraestrutura de TI Sênior
Senior IT infrastructure analyst at Facens, an education institution in Sorocaba, Brazil, working on-site to run and sustain on-premises, cloud and hybrid environments: Hyper-V/VMware virtualization, Windows Server and Linux servers, LAN/WAN/WLAN networking, backup and DR, monitoring, security and root-cause incident resolution.
Responsable Systèmes et réseaux (H/F)
IT Infrastructure Manager within the group's internal IT department (DSI) in Cholet: leads a 6-person team ensuring the availability, security and evolution of systems and networks, drives infrastructure projects (network, storage, virtualization, backup) and cybersecurity hardening. Core stack: Microsoft 365, Windows Server/Linux, Active Directory, VMware, Veeam, PowerShell.
Administrateur systèmes (H/F)
Systems administrator joining a team that keeps clients' application infrastructures operational under managed-services SLAs: ~80% incident/request handling via IWS, plus projects, technical documentation, knowledge sharing and tech watch. Core stack: Windows Server, Linux, databases (PostgreSQL/SQL Server/Oracle), middleware, VMware and PowerShell/Bash scripting.
Data Centre IT Manager
Manages IT and network connectivity (LAN, WAN, internet, cloud, inter-DC links, carrier services) for Goodman's Continental European data centre cluster — defining architecture, leading delivery of new-site infrastructure, running operations and managing carriers/suppliers, security and governance. Requires 10+ years in enterprise IT/networking including 5+ in a leadership role.
Network Architect / Network Specialist (On‑Prem, Global)
Designs and operates Agile Robots' global on-premise network across regional offices — campus, branch, and data-center — including NVIDIA InfiniBand fabrics for AI/HPC workloads. Core stack: FortiGate security/VPN, Aruba switching/WLAN, Dell DC switching, BGP/OSPF, NetBox, Ansible, aligned to TISAX/ISMS controls.
Administrator IT
Wynagrodzenie umowa o pracę: 12000 – 17000 PLN / mies. brutto B2B: 14000 – 20000 PLN / mies. netto SmartSystems Sp. z o.o. - firma zajmująca się outsourcingiem IT poszukuje osoby, która dołączy do naszego zespołu i…
Incident Response Analyst I
Entry-level incident response analyst at Flexential: triages incoming customer calls, tickets, and monitoring alerts, performs tactical troubleshooting and escalation for customer environments, documents resolutions, and partners with L2 support. Work spans Windows/Linux servers, VMware, networking, and firewalls, aligned to ITIL practices.
Network Automation Engineer
🔌 QA Automation Engineer (Networking): Test the Switches That Power Data Centers The challenge: Every cloud service, every stream, every transaction travels through a data center network, and somewhere in that…
Administrateur Systèmes Microsoft / Active Directory H/F
Au sein d’un environnement Microsoft hybride et critique, vous assurez l’administration, la sécurisation et l’évolution des infrastructures Microsoft de l’entreprise. Vous intervenez principalement sur les technologies…