# Senior IT System Engineer / IT Operations (m/w/d) at Urari

> Location unclear · Senior · Software engineering · open. Source: https://alderhq.app/jobs/personio%3Aurari%3A2702919 (read 2026-11-14).

## Facts (observed)

- Company: [Urari](https://alderhq.app/companies/urari)
- Location text: Großbeeren
- Where it can be done from (inferred): Location unclear (evidence: "Location: Großbeeren")
- Posted: 2026-07-07 (130 days ago)
- First seen by alder: 2026-11-07 · last verified: 2026-11-07
- Reposted: 0 times · edited: 0 times
- Apply on the employer's site: https://urari.jobs.personio.de/job/2702919
- Skills listed (inferred): Kubernetes, Docker, Spark, SQL

## Pay and sponsorship

- Posted pay: not posted

## Description (the employer's text)

### Your Role

In this key position, you will be responsible for the stability and scalability of our business-critical infrastructure. We operate a large e-commerce platform where downtime is not an option.

### Your mission

### Platform Operations & Infrastructure

Data Centre & Virtualisation:

Independently operate and maintain our physical server infrastructure in the data centre. Design and administer our virtualisation environments based on Microsoft Windows Hyper-V, including standalone hosts and failover clusters.

Backup & Disaster Recovery:

Take responsibility for data security and rapid recovery scenarios, including RTO and RPO, using Veeam Backup & Replication.

3rd Level Support & Administration:

Perform in-depth troubleshooting and administer our core Microsoft infrastructure, particularly Microsoft 365 and Exchange Online.

Monitoring & Alerting:

Proactively monitor the system landscape using Datadog, Wotan, and Pingdom. Define SLA reporting and alerting workflows via webhooks, email, and SMS.

Infrastructure Documentation:

Maintain accurate and up-to-date network and system documentation in NetBox.

### Platform Performance & Security Engineering

Traffic Management & Web Security:

Ensure the 24/7 availability of our e-commerce platform. Manage load balancing using HApee Enterprise (HAProxy) and take responsibility for security and performance optimisation through our Akamai Web Application Firewall (WAF).

Database & Web Infrastructure:

Operate and optimise highly available Microsoft SQL Server clusters and manage IIS and Nginx web servers to reliably handle traffic peaks in our online shop.

Container Orchestration & DevOps:

Scale our modern container environments using Kubernetes, Docker, and Podman to support agile deployment processes.

Network & Security:

Manage the network infrastructure, including VLANs and Ubiquiti UniFi, as well as internal IT security through Sophos firewalls.

- Automation & AI:
Develop complex automation solutions using PowerShell and Bash. Use AI tools such as Claude Code to improve efficiency and support AI workloads, for example Nvidia Spark.

### Your profile

- Several years of professional experience in 3rd level support or system administration within a business-critical environment, ideally in e-commerce or web hosting
- Hands-on experience operating data centre hardware, combined with deep expertise in virtualisation, particularly Hyper-V clusters, and database high availability using SQL Server clusters
- Strong knowledge of traffic management, load balancing with HAProxy or HApee Enterprise, and edge security and CDN solutions, particularly Akamai WAF
- In-depth knowledge of web server administration, including Nginx and IIS
- Hands-on experience with container orchestration using Kubernetes and modern DevOps tools such as Docker and Podman
- Strong knowledge of network segmentation using VLANs, firewalls such as Sophos, and backup strategies using Veeam
- Excellent scripting skills in PowerShell and Bash for process automation
- Experience with enterprise monitoring solutions such as Datadog, Pingdom, and Wotan
- Strong analytical skills, resilience in critical system situations, and a pronounced hands-on mentality
- Very good written and spoken German skills, at least C1 level
### This awaits you:

- Work-life balance: Flexible start times and 28 vacation days, increasing with years of service, plus optional company pension scheme
- Personal development budget: Negotiable based on individual needs
- Additional benefits: €50 tax-free non-cash benefit per month
- Workplace equipment: Height-adjustable desks, ergonomic office chairs, and two monitors at every workstation
- Team events: Large summer party, team lunches, and additional team events

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Data: alder (https://alderhq.app). Cite https://alderhq.app/jobs/personio%3Aurari%3A2702919 and the date you read it. Observed facts come from the employer's own listing; location reach, level, family and skills are inferences.