Penetration Tester

Deutsche Telekom Pan-Net s.r.o.

Job ID:
Employment Type:
Full Time - Regular
Job Level:
Languages Required:
Experience Required:
3-5 years

Job Description

Key Performance Indicators / Key responsabilities: 

  • Identification of security vulnerabilities in cloud-based environment
  • Providing security advisory to internal customer
  • Executing security assessment


Detailed job description, responsabilities:

  • Configuration and usage of VA and Pentesting platforms targeting cloud environment, VMs, containers, microservices.
  • Executing scans, penetration tests, malware analysis, reverse engineering.
  • Suggesting steps to mitigate vulnerabilities and security advisory.
  • Processing threat intelligence data and executing pattern correlations.
  • Automating VA and Pentesting activities using scripting, CICD pipeline integrations, chaos engineering, etc.
  • Source code reviews, OS and application configuration reviews.
  • Defining Indicators of Compromises, Yara rules, Snort rules, OpenIOC, etc.
  • Detecting malicious patterns in network flows, system and application logs.
  • Defining whitelists and blacklist for web application firewalls.
  • Managing honeypot and IDS infrastructure.

Job requirements


Univertity/Master degree in Computer Science preferred ore relevant technical experties


Professional knowledge, skills, know-how in the field & experience in the field:

  • At least 3 years of hands-on experience in the area of network security, application security, pentesting
  • Strong Linux skills
  • Solid scripting and/or programming experience (e.g. Python, Go)
  • Knowledge of automation frameworks (e.g. Ansible)
  • Cloud, Virtualization and Containerization (Openstack, Docker, Kubernetes)
  • Experience and knowledge in analysis of internal and external IT threats
  • Familiar with microservices and API-driven communication


Language skills:

English language - fluent (excellent verbal and written communication skills)


Interpersonal, communication skills:

  • Communication skills – excellent
  • Result oriented
  • Trustworthy
  • Ability to multitask in a busy and demanding environment
  • Strong analytical and conceptual skills
  • Ability to handle confidential and highly sensitive information


Other soft skills, competences:

  • Strategic thinking
  • Self-motivated
  • Highly collaborative


Hard skills:

  • Required
    • Hands-on security hacking experience, e.g. Red team exercises, Capture the Flag,...
    • Experience with E2E delivery (installation, configuration, integration, operations) of Linux-based systems – e.g. web servers, load-balancers, databases, clustered HA systems, firewalls...
    • Strong Linux skills
    • Experience with one of the following scripting languages - e.g. Python, Golang, Ruby, Perl, etc.
    • Familiar with OWASP
  • Preferred (not all required, hands-on):
    • Advanced knowledge and understanding of security engineering, system and network security, authentication and security protocols, cryptography, and application security
    • Experience with cloud services (Amazon, Heroku, GCE/GKE, Openstack, VMWare)
    • Experience with Containers (Docker, k8s)
    • Experience with Automation Frameworks (e.g. Ansible, Salt, Chef or Puppet)
    • Experience with git, github, gitlab, cicd
    • Expert level understanding in at least one core area of Information Security
    • Experience using various penetration testing tools (such as, BurpSuite, Metasploit, Nessus, etc.) on Windows and Linux




Data Privacy Information and Consent with Processing of Personal Data


By replying to the job offer, I hereby grant company Deutsche Telekom Pan-Net s.r.o. with its registered seat at Jarabinková 1, 821 09 Bratislava, Slovakia, ID no. (IČO): 48 129 178 (the “Company”) the consent with processing of my personal data in the following scope: academic title, name, surname, photography, contact details (e-mail address, address, phone number), information about achieved education, previous working experience, other information that are included in my CV/motivation letter, and so for the purpose of participation in a selection process for the job position that I am applying for. This consent is granted for definite period of 6 months.

My personal data will not be subject to automated decision making and profiling. My personal data will be provided only to the following recipients within Deutsche Telekom AG Group: Deutsche Telekom Services Europe GmbH, Friedrich-Ebert-Allee 140, D-53113 Bonn, Germany; Deutsche Telekom Services Europe Romania S.R.L., 319G Splaiul Independentei, Bucharest, Romania; Deutsche Telekom AG, Friedrich-Ebert-Allee 140, D-53113 Bonn, Germany. My personal data will not be transferred to third countries.

In connection with the processing of my personal data the Company provides me with the following information:

Please be informed that you have the following rights: (i) to request access to your personal data, (ii) to correct your personal data, (iii) to delete your personal data, (iv) to limit the processing of your personal data, (v) to object processing of your personal data, (vi) to the portability of your personal data, (vii) to file a complaint with the competent supervisory authority, (viii) to withdraw your consent with processing. Please note that processing of personal data is prerequisite for participation in selection process. If you do not provide us with your consent, or if you withdraw your consent during the selection process, we cannot process your personal data and thus you cannot participate in the selection process for concrete job position.

Contact for provision of additional information about the protection and processing of your personal data is: Additional information about data privacy you can find on the following link.



Deutsche Telekom Pan-Net s.r.o.

Deutsche Telekom Pan-Net s.r.o. designs, operates and steers the joint pan-European network ("Pan-Net") of Deutsche Telekom. The company is a member of the Deutsche Telekom Group with head quarter in Bratislava and locations in Europe. Deutsche Telekom Pan-Net is building the capabilities for Deutsche Telekom’s future centralized production platform across Europe.