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Senior Linux System Administrator / Senior Linux System Engineer (w/m/d)
Senior Linux system administrator responsible for operating and modernizing an on-premise and hybrid infrastructure: Linux servers, Proxmox virtualization, pfSense networking/firewalls, VPNs, monitoring and automation, with roughly 60% project work and 40% operations. Core technologies include Linux, Proxmox, pfSense, networking, Bash/Python/Ansible and monitoring tools.
IT System Administrator (m/w/d)
IT system administrator responsible for planning, implementing, and maintaining the company's IT infrastructure, including Microsoft/Linux servers, VMware/Hyper-V/Proxmox virtualization, Fortinet firewalls and HPE switches, Active Directory, Microsoft 365 (Entra, Intune, SharePoint, Teams, Exchange Online), Veeam backups, and 1st/2nd-level user support.
Program Lead, Systems Engineer
Job Description The Program Lead/System Engineer position will oversee the management of the system level requirements, and the performance of integration, verification, and user acceptance testing to ensure that the…
Lead Network Engineer
Leidos currently has an opening on the ‘Service Management, Integration and Transport’ (SMIT) Contract for a Lead Network Engineer located in Pearl Harbor, Hawaii. Join our team to support the SMIT mission, the largest…
Test Manager Communication Management (all gender)
Die ALTEN Consulting Services GmbH bietet mit über 20 Jahren Branchenerfahrung ihren namhaften Kunden aus Industrie und Wirtschaft hochspezialisierte Engineering- und IT-Dienstleistungen zur gemeinsamen Realisierung…
Network Engineer
Job Purpose Intercontinental Exchange, Inc. (ICE) presents a unique opportunity to work on cutting-edge technology and business challenges in the financial sector. The Engineer role within the ICE Network Engineering…
Infrastructure Engineer Lead
Job Description: At Bank of America, we are guided by a common purpose to help make financial lives better through the power of every connection. We do this by driving Responsible Growth and delivering for our clients,…
Information Assurance Security Engineer
Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Cyber and IT Risk…
IT-Netzwerkadministrator (m/w/d)
Network administrator role for an established food-production company near Hamburg, maintaining and optimizing firewalls (Watchguard, Fortinet), VLAN-based office and production networks, LAN/WAN links, and coordinating external IT service providers. Fully on-site, 38.5-hour week.
Technical Consultant / Technischer Berater (m/w/d) Cloud Infrastructure
Technical consultant building and operating Azure and Microsoft 365 platforms for client environments, plus internal cloud infrastructure projects. Core technologies: Microsoft Azure, Microsoft 365, Exchange Online/On-Premises, server systems, networking (DNS, TCP/IP).
IT-Systemadministrator / Infrastructure & Application Engineer (m/w/d)
IT system administrator responsible for operating, monitoring and developing a hybrid IT infrastructure (Microsoft 365, Entra ID, Intune, local servers, storage and networking), including backup/recovery strategy, network and internet connectivity, security monitoring (firewall, VPN, SD-WAN, endpoint security) and integration of central business applications such as ERP, DMS and HR systems.
IT - Systemadministrator / Consultant (m/w/d)
IT system administrator and consultant role at WAITCON in Meuselwitz, Germany, covering Windows client/server or Linux/UNIX systems, installation and updates of client/server hardware and software, plus on-site customer support and phone support. Core technologies include Active Directory, MS Exchange, MS SQL, backup software, VMware, and network infrastructure such as firewalls, VPNs, DNS, and ro
fachinformatiker operations (m/w/d)
IT operations specialist role at mh it in Esslingen am Neckar, Germany, focused on administering Windows Server and Linux systems, Microsoft 365 and Active Directory, networking (routing, VPN, firewalls), security, backup and monitoring.
IT-Systemadministrator (m/w/d)
IT system administrator responsible for running and developing the company's datacenter, providing second/third-level customer support, and planning and delivering IT projects for clients. Core technologies include Windows Server 2016+, Linux servers, Active Directory/GPO, routing, UTM, Exchange 2016+, virtualization, VLAN and PowerShell.
Network & Security Engineer* (m/w/d)
In-house network and security engineer at Bauder, a roofing-systems manufacturer, maintaining and evolving the company's network and security infrastructure (firewalls, routers, switches, LAN/WAN/WLAN/VPN, SD-WAN/SASE), running vulnerability analyses and incident management, and monitoring/optimizing network performance.
Linux Systemadministrator (m/w/d)
Linux system administrator responsible for planning, deploying and maintaining VPNs (IPsec/OpenVPN/WireGuard), cross-site networks, routing and firewalls, plus Linux VMs and server services, supporting customer systems and automating processes with Bash/Python/Go scripts. The company builds digitalization solutions for emergency response and firefighting.
Netzwerkadministrator (m/w/d) | IT-Infrastruktur
Network administrator maintaining and optimizing data-center network infrastructure (switches, routers, firewalls) with a focus on Cisco networks, VPNs, and security policies; involves troubleshooting with Wireshark/NetFlow and documentation.
IT-Systemadministrator / System Engineer: Network and Security (m/w/d)
IT system administrator / system engineer focused on network and security, providing technical support for customer IT systems in networking (NAC, switching, routing) and security (firewalls, endpoint security), and helping clients harden existing security concepts. Work in Emmendingen (Freiburg) or from home office.
IT-Administrator (m/w/d)
IT administrator role at DS-Systems in Mainz, administering Windows-based systems and IT infrastructure, handling 1st/2nd level support, installing and configuring servers and workstations, and implementing backup and security solutions. Core technologies include Windows Server, Active Directory, Exchange, SQL, VMware/Hyper-V virtualization, and networking (LAN/WAN, VLAN, firewalls, VPN).
Linux Systemadministrator (m/w/d)
Administers and maintains customers' Linux servers and networks, including web, database and application servers, plus IT consulting and modernization of Linux systems. Core stack: Debian, LAMP (Apache, MySQL, PHP/Perl), mail services (Postfix, Dovecot, Sendmail), VMware/KVM virtualization, firewalls/VPN, backups and network management.