Confirmed on the employer's own hiring board on Oct 12, 2026. First seen by Alion on Oct 11, 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 security analysts and engineers the candidate will focus on security information and event management (SIEM), analysis/correlation of events, security incident handling in complex corporate environments, contributing to the overall performance and success of the Security Operations Center (SOC).
Duties & responsibilities
- Monitoring and respond to security alerts
- Notifying customers in case of security incident
- Participating in Security Incident Handling procedures
- Working with modern security solutions (SIEM, XDR, SOAR)
- Creating reports for clients
- Reviewing logs and timelines to determine impact on security for clients
- Escalation to Tier 2 Analysts for incident response if necessary
- Knowledge and understanding of standard and modern attack techniques on applications, systems and networks
Required Skills
- Bachelor's degree in computer science or related field.
- Understanding of basic networking, firewalls, proxies, SIEM, antivirus, IDS/IPS, Operating systems, Databases concepts.
- Technical knowledge and understanding of all infrastructure layers (Operating System, Database, Application, Networking)
- Security: IDS/IPS, firewalls, vulnerability scanners, etc…
- Cloud: Microsoft Azure, O365, Defender XDR
- Excellent verbal and written communication skills both in English and Greek language
Preferred Skills
- Master’s degree in computer science or related field
- Experience in SIEM platforms (Sentinel, Elastic SIEM, etc.)
- Knowledge of computer/network forensic tools, technologies and methods
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.

