T.

IT System & Network Administrator (w/m/d)

T.S. GmbH & Co. KG Köln

About

T.S. GmbH develops SaaS solutions for more than 40 million consumers and 30,000 businesses across Europe. Our product suite includes offerings such as the Trustmark, Buyer Protection, and the eTrusted platform for customer reviews. These products are part of our 20-year mission to foster trust between people and businesses in the digital age.

Interested in being part of this mission?

We’re looking for an experienced IT System & Network Administrator with a focus on IT infrastructure management to strengthen our nine-person Office IT team, which is part of our Tech Unit.

In this role, you will ensure the smooth operation and continuous improvement of our server, network, and email infrastructure, with a strong focus on stability, security, and automation.

Your Responsibilities as IT System & Network Administrator (f/m/d):

  • Administration of our IT infrastructure, including provisioning and maintenance of Windows servers hosting various services and applications, as well as Identity and Access Management using Active Directory and Entra ID

  • Responsibility for the operation and optimization of our email infrastructure, based on Exchange Online, including the use of third-party security solutions to protect against all kinds of email threats

  • Active contribution to the design of our current and future network architecture, carrying out operational tasks on firewalls, switches, and Wi-Fi components, and monitoring network performance and availability to ensure reliable operations

  • Independent analysis and solution-oriented resolution of 2nd- and 3rd-level issues related to our IT infrastructure

Why Join T.S. GmbH?

  • Personal development: You’ll receive direct support from your People Manager to ensure your personal growth and success

  • Health & wellbeing: Take part in monthly health activities and earn an additional vacation day for achieving health goals

  • Continuous learning: Enjoy your “Self Education Day” every last Friday of the month to focus on your personal development, attend internal tech talks, read, or work on your learning goals

  • Inclusive work culture: Flexible work options and a strong focus on work-life balance. Working late into the night is not expected

Your Profile

  • Completed training in IT (or equivalent qualification), ideally with several years of solid experience in managing IT infrastructures

  • In-depth knowledge of modern Windows infrastructures, as well as email and network technologies, including AD, Entra ID, Exchange Online, DNS, DHCP, SMTP, routing, switching, next-generation firewalls (NGFW), and VPN solutions

  • Experience with scripting and automation, preferably with PowerShell or a similar language. Experience working with REST APIs is a plus

  • Excellent communication skills, with an analytical and pragmatic work style and a collaborative mindset

  • Fluent German (C1 level) is mandatory, combined with at least intermediate English skills (B2)

What We Offer You

  • Hybrid Work: Combine flexible remote work with regular team days in the office

  • Workation: Temporarily work from any location of your choice within the EU, Iceland, Liechtenstein, or Norway

  • A permanent employment contract with Europe’s most trusted brand

  • One Self Education Day per month

  • 27 vacation days, plus 3.5 additional days off (Christmas, New Year's Eve, and Carnival)

  • Buddy Program: A dedicated, experienced mentor to support your onboarding

  • Tailored development opportunities and access to internal learning programs

  • Regular events (team events, unit events, etc.)

  • Health Pass: Free access to online and offline sports, fitness, and wellness programs

Required Skills

General

Start Date

July 2025

Fixed Term

No

Work Time

Occupation Type

full time

Working Hours

40h per week

Overtime

No

Location

Work Model

hybrid

Location

Köln

Salary

Monthly Pay

€0.00

Pay Negotiable

Yes

Tariff Binding

No

Additional Benefits

Variable Compensation

No

Additional Monetary Benefits

No

Social Insurance

Social Insurance Obligatory

Yes