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Deutsche Telekom Services Europe Romania (DTSE Romania)

Security and Pentester Specialist

Deutsche Telekom Services Europe Romania (DTSE Romania)
Romania · Full-time · Not Applicable
Key Responsibilities

  • Develop and maintain detection rules and use cases across security monitoring platforms (SIEM, EDR, NDR, cloud security tools).
  • Analyse emerging threats and translate them into actionable detection logic.
  • Continuously improve detection coverage based on threat intelligence, incident trends, and vulnerability exposure.
  • Monitor security alerts and identify suspicious activities that may indicate malicious behaviour.
  • Investigate anomalous events and determine whether they represent real security threats.
  • Work closely with SOC analysts and incident responders to ensure detections support effective investigations.
  • Carrying out penetration tests as well as security investigations, creation of test reports and development of test automation tools
  • Preparing systematic pentest reports
  • Designing and performing safety investigations in the task field
  • Analysing, interpreting results as well as developing solution proposals, if necessary with the customer, in the task field
  • Reduce false positives by tuning detection rules and correlation logic
  • Collaborating in automation projects; creating tools for test automation and better reproducibility of attacks that have already been carried out
  • Tracking and troubleshooting user issues or tasks and incidents
  • Contributing industry-specific and/or technological know-how (knowledge transfer)
  • Being involved in projects or managing sub-projects
  • Create, review, maintain and update documentation including Documenting & Publishing fixes in central knowledge base
  • Work with global teams to provide consistent processes and solutions

Tools & Technologies

  • Security Information and Event Management (SIEM)
  • Microsoft Sentinel
  • Splunk Enterprise Security
  • Endpoint Detection and Response (EDR/XDR)
  • Microsoft Defender XDR
  • CrowdStrike Falcon
  • Network and Infrastructure Detection
  • Network Detection and Response (NDR) platforms
  • Intrusion Detection / Intrusion Prevention Systems (IDS/IPS)
  • Firewall, proxy, VPN, and network telemetry solutions
  • Cloud and Identity Security Monitoring
  • Microsoft Entra / Azure AD logs
  • Microsoft 365 security telemetry
  • Threat Intelligence and Detection Engineering
  • Threat intelligence platforms and indicator feeds
  • MITRE ATT&CK mapping and detection use case libraries
  • IOC/IOA-based detection content

Experience And Skills Required

  • Bachelor’s degree in information technology, Computer Science or a related discipline
  • 5+ years of experience in data leakage analysis for an enterprise network, cybersecurity monitoring, detection engineering, or SOC operations.
  • Strong background of architecting, engineering and automating security solutions for a global environment of focusing on Data Leakage Solutions
  • Log analysis and event correlation
  • Detection rule development
  • Advance knowledge of security monitoring tools (SIEM, EDR/XDR, NDR)
  • Good scripting knowledge (Python, PowerShell, or similar)
  • Knowledge of common attack techniques and tactics
  • Understanding of network protocols and system behaviour
  • Understanding of SIEM integrations
  • General knowledge of infrastructure (LDAP, Group Policy, Kerberos, Active Directory, etc.) and networking (routing, firewalls, OSI Model, packet trace and analysis, etc.)

DTSE-RO is committed to the principle of equal employment opportunity for all employees and to providing employees with a work environment free of discrimination and harassment. All employment decision at DTSE-RO are based on business needs, job requirements and individual qualifications, with no regard to race, color, religion or belief, national, social or ethnic origin, sex, age, physical, mental or sensory disability, sexual orientation and gender identity.

DTSE-RO will not tolerate discrimination or harassment based on any of these characteristics.

By applying for this job you accept the DT privacy statement:

To process your online application we collect, process and use your personal data. We will treat your data as strictly confidential in accordance statutory provisions.

By submitting your application, you consent to your data being processed electronically, including by third parties. Data is only passed on to HR service providers that have been caefully selected by Deutsche Telekom AG.

For detailed information read the local data protection when applying for a job position at Deutsche Telekom Group.

Key Skills

Ranked by relevance

siem cloud microsoft defender active directory cloud security cybersecurity group policy powershell firewalls osi model firewall python splunk vpn
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Posted
Jul 07, 2026
Type
Full-time
Level
Not Applicable
Location
Bucharest
Company
Deutsche Telekom Services Europe Romania (DTSE Romania)

Industries

Outsourcing Offshoring Consulting

Categories

Information Technology

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