Senior IT System Administrator

Join Mitto and be beyond

Eager to go beyond? If so, we'd love to meet you

We're Mitto and we're thrilled to be revolutionizing the way the world communicates through our Cloud Communications-Platform-as-a-Service (CPaaS).

We were launched in 2013 with SMS and quickly blossomed beyond to include voice, chatbots, all major chat apps, and CRM/marketing platform integrations. We also developed pre-built tools for bulk campaigns and conversational support chats. We're riding a wave into the future, and you can join

Here at Mitto, you'll be working with a global team of people that's spread out across 30 locations - and growing We're proud to be a group of curious minds that scour the landscape for whatever's next in omnichannel communication. We're adaptive, resilient, and determined.

At this time, we are seeking a highly skilled and proactive Senior IT System Administrator to join our IT team. This role is critical in maintaining and optimizing our IT infrastructure, providing advanced support, implementing new systems, and ensuring security best practices are followed. The ideal candidate is experienced in both Windows and Linux environments, has a solid understanding of cloud services (especially Microsoft Azure and Entra ID), and can drive infrastructure projects from concept to completion.

Location: Europe

How you'll go beyond as Senior IT System Administrator:

• Provide Level 2 and 3 support for system incidents and requests
• Manage and maintain Windows Server and Linux-based systems (installation, configuration, patching, monitoring)
• Administer and support Microsoft Entra ID (Azure Active Directory) and other Azure services
• Develop and maintain PowerShell scripts to automate administrative tasks and system processes
• Lead the implementation of new IT solutions and tools from planning to deployment
• Analyze the current IT infrastructure, identifying areas of improvement or modernization
• Remediate security vulnerabilities across systems in line with security guidelines and compliance
• Administer and configure Microsoft Intune for device and policy management
• Administer and optimize email security and spam filtering solutions, ensuring reliable mail flow and protection against phishing
• Maintain comprehensive technical documentation, including infrastructure designs, standard operating procedures (SOPs), and change records
• Collaborate with cross-functional teams on infrastructure planning, upgrades, and disaster recovery strategies
• Monitor system performance, availability, and capacity to ensure high service reliability

What you bring to the table: ‍

• Proven experience (5+ years) as a System Administrator or similar senior IT infrastructure role
• Deep expertise in Windows Server (2016/2019/2022), Linux (Ubuntu, CentOS, etc.) is a plus
• Hands-on experience with Microsoft Azure, Entra ID, and Microsoft 365 services
• Solid scripting skills, particularly in PowerShell (Python or Bash is a plus)
• Familiarity with Intune, Endpoint Manager, and mobile device management
• Experience in managing IT projects independently, including planning, testing, rollout, and documentation
• Knowledge of network fundamentals, firewalls, VPNs, and DNS/DHCP
• Experience configuring and managing spam filters, anti-phishing policies, and email threat protection systems
• Understanding of IT security best practices, patch management, and vulnerability management
• Excellent analytical and problem-solving skills
• Strong communication skills and ability to work independently as well as in a team
• Proficient in English (spoken and written) for effective communication, documentation, and collaboration with international teams

It would be great if you have:

• Certifications such as Microsoft Certified: Azure Administrator Associate, MCSA/MCSE, RHCSA/RHCE, LPIC-1 or similar
• Knowledge of backup solutions, monitoring tools, and virtualization platforms (VMware, Hyper-V)
• Previous experience in IT compliance (e.g., ISO 27001, GDPR, SOC2) and audit support

How we'll go beyond for you:

An entrepreneurial work style where your success is measured by results

An open, honest, creative, and results-driven environment where your opinion is highly valued

Laptop, screen, mouse, headset - whatever you need to get the job done

25 days of paid vacation plus public holidays

‍ A team of highly skilled people from around the world working on the latest technologies

Ready to take your career beyond?

Then we're ready to hear from you. Shoot us a message today.