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ADMINISTRADORES DE SISTEMAS DE REDES
In-person trainer role in Alozaina, Málaga: teach vocational students computer networking (IP addressing, VLAN, DHCP, DNS), virtualization (VirtualBox, VMware, Hyper-V or Proxmox) and cybersecurity, including hands-on labs, incident simulations, phishing awareness and mentoring a capstone infrastructure project.
Systems Engineer
Systems Engineer at Base-2 Solutions designing, integrating, and maintaining complex systems supporting national defense and intelligence missions — spanning Linux/Windows infrastructure, AWS/Azure/GCP cloud, networking, virtualization, automation with Python/Bash/PowerShell, and DoD security compliance. Requires an active TS/SCI with full-scope polygraph; on-site in Annapolis Junction, MD.
Information Systems Security Engineer
Information Systems Security Engineer at Base-2 Solutions supporting national defense and intelligence systems. Day to day: security design and analysis, risk/vulnerability assessments, RMF and ICD 503 documentation (SSPs, SARs), and continuous monitoring per NIST 800-53, using tools like Splunk, Nessus, and Wireshark. Requires active TS/SCI with full scope polygraph.
Administrateur systèmes et réseaux H/F
Dans le cadre du renforcement de ses équipes IT, notre client, acteur reconnu du secteur naval , recherche un(e) Administrateur Systèmes & Réseaux expérimenté H/F pour intervenir sur des environnements critiques et…
Systems Administrator Tier 2 Team Lead
Tier 2 Systems Administrator Team Lead providing hands-on support (Windows Server, networking, security tools, Azure, Hyper-V) while leading a small onsite support team at a client location in Birmingham, AL.
Solutions Architect
Designs secure, integrated technology solutions supporting NNSA business services and mission-critical operations at Lawrence Livermore National Laboratory, collaborating with stakeholders to select technologies, define architectures, and guide deployments of COTS and in-house apps on VMware, RHEL/Windows Server, Docker/Kubernetes, and AWS/Azure.
IT Administrator - Sr. Communications Specialist
Infinity, an aerospace & defense company, is hiring an IT Administrator in Colorado Springs to run its IT infrastructure: servers, LAN/WAN/VPN, NIPR/SIPR and phone systems, security, backups, end-user support, and IT projects. Requires 3+ years IT admin experience and an active Top Secret/SCI clearance; U.S. citizenship required.
Administrateur systèmes (H/F)
Confirmed systems administrator in a service center team, running and securing high-availability IT infrastructures: expert-level Veeam backup administration, Windows Server, Hyper-V and VMware vSphere, N2/N3 incident handling, plus daily PowerShell automation, reporting and documentation.
Senior System Administrator
Senior System Administrator delivering remote, client-focused IT support to ITIL/ITSM standards: administering Windows Server/AD, Hyper-V/Azure/VMware virtualisation, Cisco/FortiGate networking, Intune/Jamf MDM, Zabbix monitoring, Veeam backups and email security, plus PowerShell and AI-assisted automation.
IT System Administrator
On-site IT Systems Administrator in Lincoln, NE supporting TMCO's internal IT infrastructure: technical support, troubleshooting, and maintenance of hardware, software, and networks across Windows, macOS, and Linux, with networking, virtualization (VMware/Hyper-V), and cybersecurity responsibilities.
IT Support and Systems Technician
On-site IT support technician at a media/publishing company, providing Tier 1/2 help desk support to ~200 users in a mixed macOS/Windows environment (macOS, Windows 11, Microsoft 365, Jira Service Management) while assisting with Windows systems administration — Active Directory, Group Policy, Hyper-V, backups, and PowerShell automation.
Network Cyber Security Engineer
Job Title: Network Cyber Security Engineer Place of Performance: Springfield, VA Mandatory Requirements: TS/SCI Clearance Experience Level: Mid-Sr Level (5+ years) Travel: Up to 10-20% (CONUS & OCONUS) travel About JFL…
Senior Systems Engineer
Senior Systems Engineer at Managed Solution, a San Diego-based Microsoft Cloud Solution Provider, delivering client IT projects in cloud (Azure/AWS/M365), workplace automation (Intune, Power Platform), messaging, Windows Server, Active Directory, and networking. Remote role includes presales scoping, project leadership, and mentoring other engineers.
Site Reliability Engineering Manager
Leads Onebrief's SRE team that deploys and operates mission-critical military planning software across on-prem DoD and AWS environments — managing engineers, capacity planning, incident response, and reliability/observability improvements. Requires an active Secret clearance and regular onsite work at customer locations.
Network Administrator
Network Administrator at an apple products manufacturer in Sunnyside, WA, maintaining both IT and OT infrastructure: LAN/WAN, wireless, firewalls, and segmentation across plant-floor PLC/SCADA systems (Allen-Bradley, Siemens, Ignition, OPC UA), plus Microsoft 365/Azure AD administration, monitoring, and cybersecurity.
Systems Administrator
Remote (Philippines-only) Systems Administrator at outsourcing firm Doxa: handles escalated MSP tickets, desktop and server support (Windows 10/11, macOS, Windows Server), Office 365, Active Directory/Azure AD, and networking, plus Hyper-V, SonicWall, and Datto deployments while mentoring level-1 technicians.
Infrastructure Automation Engineer
Founded in 1972, Atari is one of the world’s most iconic consumer brands and a pioneer in the video game industry, recognized worldwide for its multi-platform games and licensed products. Atari owns and/or manages a…
Administrateur Systèmes & Réseaux (H/F)
Administrateur Systèmes & Réseaux (H/F) Parc informatique - Infrastructure - Réseaux Qui sommes-nous ? Microtec Informatique est une entreprise à taille humaine, spécialisée dans les services informatiques et l'édition…