Malte Kiefer

Angestellt, IT-Manager, QuantCo

Fähigkeiten und Kenntnisse

Active Directory
AI Infrastructure
Analytical Skills
Bash
Ansible
Betriebssysteme
Apache
Cryptography
Change Management (CM)
Apple iCloud
Change-Management-Technologie
Cryptomator
Apple Pay
Google Workspace
Cloud-Services
Apple Safari
Data Center Operations
Cloudflare
High Performance Computing (HPC)
Apple-Hardware
Data Privacy
Communication
HP-Server
Automation
Computer Science
Debian
Hyper-V
Azure Active Directory
Configuration Management
Direktorenebene
Informationssicherheit
Cross-functional Collaboration
Iru
Docker
Infrastructure Management
IT Budget Management
Level
Documentation
Infrastruktur-Services
IT-Betriebsmanagement
Linux
Domain Name System (DNS)
Infrastrukturmanagement
IT-Infrastruktur
Linux-Firewalls
Enterprise Networking
iOS
IT-Infrastruktur-Management
Linux-Server
Multi-platform
IPv4
IT-Infrastrukturdesign
Linux-Systemadministration
Network Infrastructure Architecture
Projektmanagement
IT-Service-Management
MDM
Networking Technology
Proton Calendar
IT-Support
Microsoft Azure
Jamf
Proton Drive
Resolving Issues
Netzwerkadministration
Microsoft Exchange
Jamf Pro
NinjaOne Backup
Ressourcenverwaltung
Microsoft Intune
Proton Mail
NinjaOne Endpoint Management
Mobile Device Management
The Bitwarden Password Manager
Proton Pass
Starface
NinjaOne MDM
Proton VPN
Troubleshooting
Strategische Planung
NinjaOne Patch Management
Proxmox
Tuta Calendar
Systemadministration
NinjaOne RMM
Pure Storage FlashArray
Tuta Mail
Systems Engineering
Problem Solving
Rechenzentrumsbetrieb
Teamführung
VMware
Remote Access with NinjaOne
Teammanagement
Windows PowerShell
Teamwork
Windows Server
Windows-Systemadministration
Terraform
Zabbix

Werdegang

Berufserfahrung von Malte Kiefer

  • Bis heute 1 Monat, seit Okt. 2026

    IT-Manager

    QuantCo

    Part of the IT Operations team, responsible for running and scaling the IT infrastructure and workplace technology for a fast-growing, highly technical organization. Highlights: - Administration of Microsoft 365 and Google Workspace, including identity, access management and security policies - Apple device management with Iru (formerly Kandji): deployment, configuration profiles, compliance and patch management - Rollout and administration of AI tools such as Claude across the organization - Network infra

  • Bis heute 12 Jahre und 7 Monate, seit Apr. 2014

    CEO

    Kiefer Networks

  • 1 Jahr, Okt. 2025 - Sep. 2026

    Director of Infrastruktur

    Aleph Alpha

    Leading infrastructure strategy and operations for one of Europe's leading AI companies. Responsible for datacenter operations, cloud and on-premises infrastructure, and enterprise security across multiple German locations. • Driving infrastructure strategy aligned with business goals for a rapidly scaling AI organization • Overseeing multi-site datacenter infrastructure supporting large-scale GPU clusters for AI training and inference • Leading datacenter modernization: network architecture redesign, cool

  • 1 Jahr, Okt. 2024 - Sep. 2025

    Head of IT-Operations

    Aleph Alpha

    Expanded role encompassing IT operations leadership and datacenter management. Took on broader infrastructure responsibilities during rapid organizational growth. • Led complete datacenter overhaul: network rewiring, switch hierarchy restructuring, GPU cluster construction • Managed team restructuring and performance optimization across multiple locations • Coordinated enterprise platform migration planning and execution • Established infrastructure documentation standards and DCIM implementation (Netbox)

  • 2 Jahre und 1 Monat, Jan. 2023 - Jan. 2025

    Contractor – DevOps & Infra

    Level RMM

    Contract engagement with a US-based SaaS startup building an RMM/MDM platform for IT teams. • Built scalable, redundant, and highly available infrastructure for a 24/7 platform supporting IT teams globally • Contributing across DevOps, infrastructure scaling, and software quality assurance • Leveraging real-world IT operations experience to shape and refine RMM and MDM platform capabilities • Collaborating asynchronously across time zones with clear documentation and shared standards Reference: Jacob Haug

  • 9 Monate, Jan. 2024 - Sep. 2024

    Senior IT Security Engineer

    Aleph Alpha

    Infrastructure security and operations role encompassing Azure cloud management, on-premises infrastructure, and team leadership during rapid organizational growth. • Designed and implemented cloud and on-premises infrastructure ensuring scalability, performance, and security • Led and coordinated the IT operations team, driving efficiency improvements and collaborative work environment • Managed Azure cloud environment for optimal performance, security, and cost-efficiency • Developed and implemented IT s

  • 2 Jahre und 2 Monate, Nov. 2021 - Dez. 2023

    Senior IT-Administrator

    IntellyTec GmbH

    Enterprise IT administration for managed services provider, handling complex multi-client environments across medium-sized companies, municipalities, and public institutions. • Led design and execution of IT projects for diverse clients, from network infrastructure to security frameworks • Managed customer systems including servers, network components (LANCOM), and mobile devices for high availability • Planned and implemented IT security frameworks for client data protection and regulatory compliance • De

  • 13 Jahre und 1 Monat, Nov. 2008 - Nov. 2021

    IT-Administrator

    Bundeswehr (German Federal Armed Forces)

    13 years of military IT operations with, building a foundation in reliability-first infrastructure engineering. • Battalion IT Administrator and Personnel Manager for the Signal Platoon • Managed hybrid military-tactical IT systems classified • Developed and implemented mobile hybrid IT command centers based on container datacenters • Administered network infrastructure supporting secure communications between military units • Implemented cybersecurity measures for sensitive military data and infrastructur

  • 1 Jahr und 10 Monate, Jan. 2020 - Okt. 2021

    IT-Administrator

    radermacher-consulting GmbH

Sprachen

  • Deutsch

    C2 (Verhandlungssicher / Muttersprachlich)

  • Englisch

    C1 (Fließend)

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