Since 1998, Lostar has been the leading Information Security firm, with more than 1000 projects in Turkey and abroad. Its primary services are; Information Security Checkups such as Internet-Intranet Penetration Tests, Gap Analysis of worldwide best practices like COBIT, ISO 27001, ISO 22301 and ISO 20000, related consultancy and data protection projects also Employee Security Awareness Methodology training.

Lostar consultants, who are well trained and experienced, create the optimal-cost solutions for their customers by paying attention to technical and commercial needs. Lostar has three offices in 3 different cities: Istanbul, London, and Sakarya.

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As a Senior Penetration Tester in the Cyber Security Team, you will join a team of experienced, passionate and dedicated security professionals who provide a technical security testing service to all areas and levels of the business.

• Have in-depth experience in Penetration Testing with a solid security / Cyber / IT background (more than three years experience)
• Possess technical skills appropriate for a large, complex, specialised area with an industry-related qualification, e.g. CEH, OSCE, OSCP, OSWP, GWAPT
• Have in-depth knowledge of security tools, techniques and methodology frameworks, including Nessus, Nikto, Metasploit, Kali, Burp Suite and scripting languages(Powershell or Python or both)
• Know protocols including HTTP, DNS, FTP, DHCP, ARP, TCP, UDP, ICMP etc. (Layer2,3,4,7)
• Know current web application and network vulnerabilities, including those listed in OWASP Top 10 and SANS Top 25
• Be able to present findings of a test (either verbally or via a well-written report) articulately and transparently to both technical and non-technical stakeholders.
• Be a good team player.
• Understanding of C, C#, Objective C and Java.
• Understanding of HTML, PHP, Perl and Python
• Understanding of web frameworks, including XML, SOAP, JSON and Ajax
• Proven analytical and problem-solving skills, as well as the desire to assist others in solving issues
• They are highly motivated with the willingness to take ownership/responsibility for their work and the ability to work alone or as part of a team.
• Total commitment to customer satisfaction and the highest ethical standards