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Deloitte

senior penetration tester

Jul 18, 2026 · Deloitte

Αθήνα·Jul 18, 2026
ΑθήναHybridΠληροφορικήPermanentFull Time
JOBILY AI SUMMARY

What you'll do

  • Work on projects identifying security vulnerabilities in client infrastructure, Web and Mobile Apps
  • Find creative ways to gain access to client networks
  • Apply an adversary mindset to simulate sophisticated attackers and meet project objectives
  • Move laterally within client IT environments stealthily without triggering alarms
  • Perform research and develop security testing tools and techniques
  • Share research within the global Ethical Hacking and Red Team community
  • Translate security weaknesses into tailored, actionable recommendations
  • Communicate technical issues as business risks
  • Facilitate Purple Team workshops and train client defensive teams on adversary tactics and techniques
  • Receive training and attain certifications in cybersecurity tools and engineering topics

Key requirements

  • 3+ years' experience
  • Penetration Testing including Web Application, Mobile, Infrastructure and Vulnerability Assessments
  • Red Teaming skills and experience
  • Expertise with Kali Linux and security tools like Burp Suite, Metasploit, Covenant, Cobalt Strike, Nessus
  • Strong Communication Skills in Greek and English
  • Adversary Mindset to simulate attacker behavior
  • Research and Development of security tools and tradecraft
  • Information Technology / Information Systems Security / Cybersecuritypreferred

Benefits

  • You will be given many opportunities for learning and development, including training and attaining certifications in cutting-edge cybersecurity products and engineering topics.
  • Deloitte offers a supportive workplace culture emphasizing collaboration, creativity, inclusiveness, and agile working arrangements.

About the job

Υour role as a Senior Penetration Tester will enable you to work alongside fellow Ethical Hackers, who are incredibly passionate about what they do and are characterised by their commitment to working as a team, and their ever-present customer focus. In this role, you will actively participate in…

About the company

Deloitte drives progress. Our firms around the world help clients become leaders wherever they choose to compete. Deloitte invests in outstanding people of diverse talents and backgrounds and empowers them to achieve more than they could elsewhere. Our work combines advice with action and integrity. We believe that when our clients and society are stronger, so are we.


Deloitte refers to one or more of Deloitte Touche Tohmatsu Limited (“DTTL”), its global network of member firms, and their related entities. DTTL (also referred to as “Deloitte Global”) and each of its member firms are legally separate and independent entities. DTTL does not provide services to clients. Please see www.deloitte.com/about to learn more.

Workplace
Hybrid
Sector
Πληροφορική
Employment Type
Permanent
Work Time
Full Time

About the company

Deloitte drives progress. Our firms around the world help clients become leaders wherever they choose to compete. Deloitte invests in outstanding people of diverse talents and backgrounds and empowers them to achieve more than they could elsewhere. Our work combines advice with action and integrity. We believe that when our clients and society are stronger, so are we.


Deloitte refers to one or more of Deloitte Touche Tohmatsu Limited (“DTTL”), its global network of member firms, and their related entities. DTTL (also referred to as “Deloitte Global”) and each of its member firms are legally separate and independent entities. DTTL does not provide services to clients. Please see www.deloitte.com/about to learn more.