İstanbul, Türkiye Hybrid Employment

Lostar is hiring a Penetration Tester

About the Role

What You'll Do

You will take ownership of end-to-end security assessments, focusing on identifying and addressing vulnerabilities in critical systems. Your work will span web applications, internal network infrastructure, and enterprise Active Directory environments.

You'll simulate real-world attacks through Red Team operations to test organizational defenses and improve resilience. Routine vulnerability scanning will be a core part of your responsibilities, helping to proactively secure digital assets against emerging threats.

Requirements

  • Proven experience assessing web application security
  • Strong background in network-level security testing
  • Hands-on expertise with Active Directory assessments
  • Experience conducting Red Team engagements
  • Proficiency in identifying and validating system vulnerabilities

Benefits

  • Primarily remote work with flexibility in scheduling
  • Opportunities for in-person collaboration when needed
  • Supportive and team-oriented work culture
Required Skills
penetration testingcybersecurityvulnerability assessmentsecurity auditingethical hacking penetration testingcybersecurityvulnerability assessmentsecurity auditingethical hacking
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About company
Lostar
Since 1998, Lostar is the leading Information Security firm, with more than 1000 projects in Turkey and abroad. Its main services are; Information Security Checkups such as Internet-Intranet Penetration Tests, Gap Analysis of world-wide best practices like COBIT, ISO 27001, ISO 22301 and ISO 20000, related consultancy and data protection projects and also Employee Security Awareness Methodology trainings. Lostar consultants, who are well trained and experienced, create the optimal-cost solutions for their customers with paying attention to technical and commercial needs. Lostar has 3 offices in 3 different cities such as Istanbul, London and Sakarya.
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Job Details
Category security
Posted 3 months ago