System Administrator (f/m/d)

About us

Committed to building the next generation of 100% software-based mobile networks, ng-voice is creating innovative mobile infrastructure solutions and making them accessible for operators and enterprises that want to deploy future-proof networks. ​

Tasks

What you’ll do

• Administer and support cloud (AWS, GCP), virtualization (VMware, Proxmox), and on-prem infrastructure.
• Manage networks and security (routers, switches, firewalls, VPN, DNS, IAM, VPCs, endpoint compliance, MFA).
• Automate operations with Ansible/Terraform; support CI/CD workflows (Git, Helm).
• Deploy, monitor, and troubleshoot Kubernetes workloads; support backup and disaster recovery.
• Manage productivity and device platforms (MS365, Google Workspace, Apple Business Manager, Intune, JAMF).
• Administer Atlassian tools (Jira, Confluence, Bitbucket) and integrate with existing systems.
• Provide L1/L2 user support (hardware, software, onboarding, troubleshooting) and maintain IT documentation.
• Collaborate with vendors and ensure smooth IT operations.

Requirements

Your profile

• Strong knowledge of OS (Windows, Linux, macOS) and networking (TCP/IP, DNS, DHCP, VPN, VLANs).
• Hands-on experience with servers, virtualization, cloud services, and Kubernetes.
• Skilled in automation/configuration management (Ansible, Terraform) and DevOps practices.
• Experience with MS365, Google Workspace, Apple Business Manager, MDM (Intune, JAMF), and Atlassian tools.
• Solid understanding of IT security (patching, MFA, access control).
• Good communication skills and user-focused mindset.

Nice to have

• Hybrid/multi-cloud and advanced Kubernetes (CNI, HA, scaling).
• Monitoring/logging at scale (Prometheus, Grafana, ELK).
• Scripting (Python, Bash, PowerShell).
• Broader DevOps exposure (CI/CD design, GitOps).

Tech stack
Windows, Linux, macOS, MS365, Google Workspace, Apple Business Manager, Intune, JAMF, VMware, Proxmox, TCP/IP, DNS, DHCP, VPN, Firewalls, Jira/Confluence/Bitbucket, AWS (IAM, VPC, security groups), Ansible, Terraform, Helm, Git, Kubernetes, Prometheus, Grafana, ELK.

Benefits

A little more about our culture and why you should join 

• Work-Life-Balance is a priority: Flexible working that suits you - we live and breathe a hybrid remote culture and don't mind where and when you work    
• We are committed to building a diverse team that represents a variety of backgrounds, perspectives, and skills in a traditionally not very diverse industry   
• We offer you the culture of a fast-growing start-up with the maturity of an enterprise company
• We are more interested in your experience and knowledge than formal degrees 
• Entrepreneurial culture and flat hierarchies   
• Mobility benefit, fitness benefit, language class benefit and wellness benefit (for full-time employees)
• Home office budget (for full-time employees)