Deutsche Telekom IT Solutions HU Logo

Senior Security Manager

Job Description

Company Description

As Hungary’s most attractive employer in 2025 (according to Randstad’s representative survey), Deutsche Telekom IT Solutions is a subsidiary of the Deutsche Telekom Group. The company provides a wide portfolio of IT and telecommunications services with more than 5300 employees. We have hundreds of large customers, corporations in Germany and in other European countries.

DT-ITS recieved the Best in Educational Cooperation award from HIPA in 2019, acknowledged as the the Most Ethical Multinational Company in 2019. The company continuously develops its four sites in Budapest, Debrecen, Pécs and Szeged and is looking for skilled IT professionals to join its team.

Job Description

Security solutions, SC-900, SC-200, Defender XDR,Sophos Intercept X (EDR/XDR) and Sophos SG/XG Firewalls

Purpose:

We are looking for a senior technical expert responsible for the design, implementation, and operation of security technologies, software deployment, and data center operations. The candidate will play a key role in ensuring high availability, security, and performance of IT infrastructure.

Accountabilities / Responsibilities:

  • Operate, maintain, and troubleshoot security solutions in data center and hybrid/cloud environments
  • Handle incident, change, and problem tickets related to security systems
  • Deploy, configure, and maintain Microsoft Defender, Sophos, and related security tools
  • Continuously improve the reliability, performance, and security of IT services
  • Collaborate with internal teams, customers, and vendors on implementation projects
  • Support onboarding, training, and documentation for security tools and procedures

Qualifications

Scope of Work:

  • Work independently or as part of the team to implement and maintain security solutions
  • Operate and manage Microsoft Defender (Endpoint, Cloud, Identity, Cloud Apps, O365)
  • Operate and manage Sophos Intercept X (EDR/XDR) and Sophos SG/XG Firewalls
  • Install, configure, and maintain security-related tools and monitoring systems
  • Ensure security policies and best practices are implemented across infrastructure (servers, networks, cloud, endpoints)
  • Some training can be provided if required, but a strong foundational knowledge is essential

Education / Skills:

The ideal candidate will have at least 3 years of experience in:

  • Microsoft Defender solutions (Defender XDR)
  • Administration of Endpoint/Extended Detection and Response (EDR/XDR) solutions
  • Operation of Microsoft Defender suite (Endpoint, Cloud, Identity, Cloud Apps, O365)
  • Operation of Sophos Intercept X (EDR/XDR) and Sophos SG/XG Firewalls
  • Installation and maintenance of related security tools
  • Solid overall IT infrastructure knowledge (servers, networks, cloud, endpoints) with a strong security focus

Desired Certifications:

  • SC-900: Microsoft Security, Compliance and Identity Fundamentals
  • SC-200: Microsoft Security Operations Analyst
  • Sophos Certified Technician – Central Endpoint and Server

Language skills: English mandatory (C1) and German nice to have

Additional Information

Other Criteria / Requirements:

  • Strong hands-on mentality and structured in planning and execution.
  • Experienced in implementing security solutions in enterprise environments.
  • Team player with ability to work independently when needed.
  • Willingness to learn and develop further in security technologies; training can be provided if required.

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

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