Confirmed on the employer's own hiring board on Oct 26, 2026. First seen by Alion on Oct 21, 2026.
About the company
Telekom is Greece’s leading telecommunications and technology company, with the world’s No.1 telecommunications brand, bringing together a legacy built in Greece over more than 75 years with global scale, innovation and expertise.
Diversity, inclusion, and equality are at the core of our corporate culture.
This is why we create an equal working environment in which people can excel through their expertise, professional experience, conscientiousness and responsibility.
Become part of our network and let’s create your future together!
About the Role
As a member of a team of experienced penetration testers and cybersecurity engineers the candidate will focus on performing security assessments, red teaming, social engineering and penetration tests.
Duties & responsibilities
- Security / vulnerability assessments and penetration tests
- Red teaming and social engineering engagements
- Mobile and web applications penetration tests
- Complete projects and tasks on an as needed basis.
Required Skills
- Bachelor's degree in Computer Science, Telecommunications or a related subject.
- Experience with penetration testing of Web and Mobile Applications, Infrastructure and Vulnerability Assessments on both Windows/Unix worlds
- Experience effectively prioritizing workload to meet deadlines and work objectives.
- Good communication and presentation skills as well as demonstrated ability to write clearly, succinctly, and in a manner that appeals to a wide audience.
- Consultant mindset, commitment to teamwork, and having customer experience as top priority.
- Military obligations fulfilled.
Preferred Skills
- Security certifications such as OSCP, OSCE, OSEP, OSWE, CRTP, CRTE etc.
- 2+ years working experience in Cyber Security.
- Cloud security specialization
- Web and Mobile applications development experience
What we offer
At Telekom, we recognize and reward every effort without discrimination through a wide range of benefits and programs for our people.
Your benefits
- Competitive remuneration package
- Cafeteria benefits
- Company mobile and device subsidies
- Fixed telephony, Internet and Magenta TV packages
- Modern working environment with the equipment and tools required for your role
Your balance
- Flexible working arrangements
- Private insurance for employees and their family members
- Family Care: maternity, childbirth and parental leave to care for children, above the minimum required by law and provided equally to working mothers and fathers
Your wellness
- Health, safety, and wellness programs, including the “The Coach” exercise and wellness platform
- Wellness and sports activities
- Dietician appointments
- Medical check-ups
- Telekom psychological service
Your development
We foster an empowering culture that encourages our people to seize every opportunity to learn and achieve personal development through:
- Unlimited access to digital learning platforms such as Percipio and Coursera
- Various face-to-face and customized learning academies
- Talent and rotation programs
Your onboarding
- Virtual new-hire preboarding and onboarding program
- A buddy to support you during your first months
Please note that you will be contacted only if you are shortlisted for an interview. We appreciate your understanding.

