IT System Administrator (m/f/d)

We are looking for an IT system administrator to ensure the stability, security, and scalability of our IT infrastructure. In this role, you will be responsible for maintaining the systems, tools, and user environments that support our mission to make cyber risks manageable for our insurance partners and their small and medium-sized customers. Your responsibilities will include managing our client applications, office networks, and VPNs, as well as overseeing mobile device management. You will also further develop our zero-trust approach to maximize security while minimizing administrative effort for you and the team.

• Daily IT support: Handle and resolve day-to-day IT incidents and user requests

• Troubleshooting: Diagnose and fix hardware, software, and network-related issues

• System monitoring: Monitor and administer IT systems (e.g., Microsoft Defender, JumpCloud)

• MDM & devices: Manage device provisioning, policies, and security settings via MDM

• Network & VPN administration: Maintain office networks, VPNs, and secure connectivity

• Website management: Maintain and update our WordPress website, including backups and security updates

• License and tool management: Manage user accounts, licenses, and software plans

• Zero-trust environment: Maintain and enhance our zero-trust security approach

• Employee lifecycle: Support Onboarding and Offboarding processes for employees

• Atlassian administration: Manage and maintain our Atlassian products (Jira, Confluence, etc.)

• Google Workspace (G-Suite): Administer and optimize our Google Workspace environment

• Documentation: Create and maintain clear IT documentation and configuration records

• Cost & inventory management: Maintain the inventory, contracts, and billing information of our IT tools and services

• Completed training or degree in IT or comparable practical experience

• Strong knowledge of IT administration, networking, and security concepts

• Experience with cloud-based tools such as JumpCloud, Google Workspace, and MDM platforms

• Basic understanding of WordPress website management

• Familiarity with zero-trust principles and identity-driven access control

• Structured, solution-oriented, and service-minded approach to work

• Excellent communication skills in English; German is a plus

• Basic scripting skills (e.g., Bash, PowerShell, Python) are beneficial

• Experience with managing tool inventories, contracts, and cost structures is a plus

• Work on a cutting-edge cloud-native platform that impacts thousands of businesses.

• Take ownership of the entire technology stack and drive architectural decisions.

• Be part of an innovative, fast-growing company with strong industry partners.

• Build a product with a purpose and help small businesses fight the ever growing threat of cyberattacks.

• Join a highly skilled team that values collaboration, innovation, and continuous learning.

• We offer you an open company culture with transparent communication and an open spaces for feedback 

• We are a diverse and committed team, where mutual trust and support describe the basic building blocks of our cooperation

• You get the opportunity to work in a great team in our centrally located office in Kreuzberg

• You can benefit from flexible working hours and the opportunity to work remotely

• Your professional and personal development is valued and evaluated on a regular basis

• You receive benefits such as EdenRed, mobility budget, team events, etc.

Perseus Technologies was founded in 2017 in Berlin and has since specialized in helping companies protect themselves against cyber threats. Our mission is to support especially small and medium-sized businesses in identifying, assessing and effectively managing digital risks.

We offer a comprehensive cybersecurity solution that covers both technical and organizational aspects, including:

• Risk assessments to evaluate IT and security infrastructure

• Online trainings and phishing simulations to educate employees on handling digital threats safely

• 24/7 cyber emergency support, in case something goes wrong despite all precautions

Many of our solutions are easy to integrate into existing systems and help organizations build a sustainable cybersecurity culture.

A unique aspect of our approach is our close collaboration with the insurance sector: Today, Perseus is included in nearly every second cyber insurance policy on the German market.

We are currently a team of around 30 employees from various national backgrounds — international, committed and united by strong teamwork.

Our name is inspired by Greek mythology: Just as the hero Perseus faced dangerous creatures, we tackle new digital challenges every day — with determination, pragmatism and a strong team by our side.