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Deloitte

senior penetration tester @thessaloniki

Sep 30, 2026 · Deloitte

Νομός Θεσσαλονίκης·Sep 30, 2026
Νομός ΘεσσαλονίκηςHybridΠληροφορικήPermanentFull Time
JOBILY AI SUMMARY

What you'll do

  • Lead and deliver penetration testing and offensive security assessments across applications, infrastructure, networks, cloud platforms, and enterprise environments.
  • Identify, validate, and exploit vulnerabilities while assessing technical risk and business impact within agreed scope.
  • Apply recognized security methodologies and frameworks throughout the assessment lifecycle.
  • Prepare actionable reports, present findings to stakeholders, and support remediation prioritization and tracking.
  • Mentor junior team members, review technical outputs, and improve offensive security methodologies, tools, and delivery quality.

Key requirements

  • 3+ years' experience
  • Offensive security & penetration testing across web applications, APIs, infrastructure, networks, cloud platforms, and mobile applications.
  • Vulnerability identification and exploitation, including hands-on assessment and validation.
  • Security methodologies and frameworks, including OWASP, NIST, PTES, and MITRE ATT&CK.
  • Scripting and code analysis with Python and Bash.
  • Burp Suite, Nmap, and Metasploit.
  • OSCP certification and security reporting skills.
  • Computer Science / Computer Science and Data Science / Business Informatics / Engineering / Information Systems Management / Cybersecurity / Computer Engineering / Data Science / Other Relevant Information Technology Disciplinespreferred

Benefits

  • Modern hybrid workplace with flexible Smart Working arrangements, well-being programs, extra leave, parental allowances, international projects, travel opportunities, learning platforms, sponsored certificates, private medical insurance, restaurant card, mobile phone, discounts, and office refreshments.

About the job

Our Offensive Security Team specializes in identifying, testing, and breaching security boundaries to build unyielding resilience. We simulate sophisticated real-world attacks across hybrid infrastructures, cloud platforms, applications, networks, and complex enterprise environments to expose…

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.