T-Mobile
Senior Security Engineer (m/f/d) SD WAN
Skills
4 days ago
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Important information
Location:
Košice, Czechia
Work mode:
Onsite
Published on:
16 October 2026
What they need
Job ID: 744000130031749
Senior Security Engineer (m/f/d) SD WAN
Košice
Professional
Regular
Deutsche Telekom IT and Telecommunications Slovakia
Your Task
The Senior Security Engineer provides expertise and advice as needed on multiple areas of security technology, including network security, platform security, authentication/authorization systems, application security, physical security and security frameworks. All the above mentioned activities are performed based on the needs and requirements of customers.
Responsibilities
- Development and implementation of security solutions (design, planning, and deployment)
- Requirements analysis and concept development based on customer needs
- Supporting the sales team in preparing proposals
- Customer consulting and support
- Development of solution designs as part of proposals and tenders
- Participation in product development and introduction within the group
Your Profile
We are seeking a Senior Security Engineer with extensive expertise in IT security and network technologies, practical experience with security vendor solutions, relevant certifications, and strong communication skills to provide security consulting and develop solutions for customers.
Must Have Skills
- Very good knowledge of IT security and network technologies (e.g., TCP/IP, routing, switching, firewalls)
- Practical experience with network technologies from established security vendors such as Check Point, Cisco, Fortinet, Palo Alto, or Zscaler
- At least one relevant certification from a security vendor
- Good knowledge in automation
- Good knowledge in CI/CD
- Good knowledge in scripting
- Good knowledge in SD WAN
- Knowledge of tools, methods, and processes for requirements analysis
- Strong communication skills in English (C2 level)
- Advanced English language proficiency (C1 level)
- Strong team player who enjoys understanding customer requirements
- Motivated to translate customer requirements into technological solutions
- Good communication skills
- Good influencing skills
- Good interpersonal skills
- Ability to work across various cultures and across organizations and company boundaries
- Good presentation skills
- Self-starter who can work without direct supervision
- Team player who can work without direct supervision
- Creative thinker with ability to see the bigger picture in a pragmatic, sensible way
- Good analytical skills
- Ability to make concise, well documented decisions in agreement with the strategy and vision of the team
- Ability to present solution designs to customers and colleagues
Nice to Have Skills
- Initial hands-on experience with DevOps tools such as Docker, Kubernetes, or Ansible
- Knowledge or experience with agile working methods (e.g., Scrum)
- Basic knowledge of German language
About Us
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.
Benefits
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.
We offer 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: 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 €2,500 gross.
Company Policies
- Remote working possibility is only available within Slovakia due to European taxation regulation
Job Benefits
Financial
- Base salary not lower than €2,500 gross
- Variable compensation component
- Additional financial benefits
Family Support
Benefits with focus on family and work-life balance
Professional Development
Benefits with focus on learning and development
Work-Life Balance
- Attractive and extensive work-life balance portfolio
- Over 25 different benefits to improve personal and professional life
- Remote working possibility (within Slovakia)
Lifestyle & Wellness
- Benefits with focus on health and sport
- Programs promoting physical and mental well-being
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