Our brand Deutsche Telekom IT Solutions Slovakia entered the life of Košice region in 2006 under the name of T-Systems Slovakia and ever since has been inextricably linked with the region when became one of the founding members of Košice IT Valley. We have managed to grow from scratch to the second largest employer in the eastern part of the country with more than 3900 employees. Our goal is to proactively find new ways to improve and continuously transform into the type of company providing innovative information and communication technology services.

Purpose

We are looking for a senior technical expert responsible for the design, implementation, and operation of network infrastructure and security solutions. The candidate will play a key role in supporting and optimizing complex network environments, ensuring high availability, performance, and security of services.

 Team description

  Join the team at Operational Services GmbH, within Deutsche Telekom Systems Solutions Slovakia, providing opportunities for German-speaking talents in Slovakia. OS is one of the leading ICT service providers in the German market and is considered the backbone of digitization in medium-sized companies. With almost 1,000 highly qualified employees, OS develops and operates the most modern IT systems for our customers, ensures long-term system support, and maintains the availability of critical business processes. 
If you are excited to join an English and German-speaking team that values innovation and teamwork, our team would be the perfect fit for you.

WHAT WILL YOU DO?

• Operate, maintain, and troubleshoot network infrastructure (2nd level support). 
• Ensure smooth operations in line with critical infrastructure (KRITIS) requirements. 
• Handle incident, change, and problem management tickets. 
• Continuously improve the reliability and security of network services. 
• Collaborate with customers, vendors, and internal teams on implementation projects. 
• Support onboarding, training, and documentation for new technologies. 

Scope of Work: 

• Work as part of a team or independently to implement and maintain secure network solutions. 
• Deploy and manage Cisco, HP, F5 LTM, Cisco ACI, Meraki 
• Configure and maintain Cisco security technologies, including Cisco firewalls (e.g., ASA, Firepower). 
• Perform manufacturer-based training to maintain up-to-date expertise.

YOU WILL SUCCEED IF YOU:

The ideal candidate will have at least 2–3 years of operations and support experience, including: 

• 2nd / 3rd level support experience with Cisco components
• Experience with Cisco firewall technologies (Cisco ASA / Firepower) 
• 2nd / 3rd level support experience with deployed network services 
• Support knowledge of HP, F5 LTM, Cisco ACI, and Meraki 
• 2nd / 3rd level support experience with Azure Cloud 
• Support experience with SDSL components
• Basic / vendor training for deployed network components. 
• Experience in critical infrastructure (KRITIS)
• Airport-specific knowledge and training (e.g., GFA, apron, etc.)

Desired Certifications (updated): 

• Cisco Certified Network Associate (CCNA) – must 
• Cisco Certified Network Professional (CCNP – Security specialization) – advantage 
• F5 Certified Technology Specialist - advantage 
• ITIL Foundation – advantage 

Languages: 

• English –  Upper Intermediate (B2)

WHY SHOULD YOU CHOOSE US?

We believe in balance between work and personal life. An attractive and extensive work-life balance portfolio guarantees lasting motivation for employees and thus a better quality of life, promotes physical and mental well-being and contributes to a positive work environment. All this with the aim of providing more freedom in reconciling work, career growth, private life and individual lifestyle. Therefore we offer to our employees over 25 different benefits to improve their personal and professional life in these areas:

• Financial benefits
• Benefits with focus on learning and development
• Benefits with focus on health and sport
• Benefits with focus on family and work – life balance
• Other benefits

For more information about our benefits click to Benefits

Salary

Final salary is negotiable.

We are offering base salary depending on seniority level and previous experience of candidate. In addition to base salary we provide variable part and other financial benefits. Base salary will not be lower than 1300€ /brutto.

Additional information

* Please be informed that our remote working possibility is only available within Slovakia due to European taxation regulation.