{"id":2245557,"url":"https://alion.io/job/cosmote-cyber-security-analyst","title":"Cyber Security Analyst","company":{"id":59826,"name":"Cosmote","domain":"cosmote.gr","url":"https://alion.io/company/cosmote","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Career site","truth_index":null},"role":"Security","role_family":"Security","seniority":null,"employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Marousi, Greece"],"countries":["GR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":29000,"max_usd":85000,"period":"year","method":null,"sample_n":4493},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Azure","optional":false},{"name":"SIEM","optional":false},{"name":"Elastic SIEM","optional":true}],"status":"live","first_seen_at":"2026-10-11T02:03:44Z","employer_posted_date":"2026-10-11","last_verified_at":"2026-10-12T07:03:39Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"About the company\nTelekom 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.\nDiversity, inclusion, and equality are at the core of our corporate culture.\nThis is why we create an equal working environment in which people can excel through their expertise, professional experience, conscientiousness and responsibility.\nBecome part of our network and let’s create your future together!\nAbout the role\nAs 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).\nDuties & responsibilities\nMonitoring and respond to security alerts\nNotifying customers in case of security incident\nParticipating in Security Incident Handling procedures\nWorking with modern security solutions (SIEM, XDR, SOAR)\nCreating reports for clients\nReviewing logs and timelines to determine impact on security for clients\nEscalation to Tier 2 Analysts for incident response if necessary\nKnowledge and understanding of standard and modern attack techniques on applications, systems and networks\nRequired Skills\nBachelor's degree in computer science or related field.\nUnderstanding of basic networking, firewalls, proxies, SIEM, antivirus, IDS/IPS, Operating systems, Databases concepts.\nTechnical knowledge and understanding of all infrastructure layers (Operating System, Database, Application, Networking)\nSecurity: IDS/IPS, firewalls, vulnerability scanners, etc…\nCloud: Microsoft Azure, O365, Defender XDR\nExcellent verbal and written communication skills both in English and Greek language\nPreferred Skills\nMaster’s degree in computer science or related field\nExperience in SIEM platforms (Sentinel, Elastic SIEM, etc.)\nKnowledge of computer/network forensic tools, technologies and methods\nWhat we offer\nAt Telekom, we recognize and reward every effort without discrimination through a wide range of benefits and programs for our people.\nYour benefits\nCompetitive remuneration package\nCafeteria benefits\nCompany mobile and device subsidies\nFixed telephony, Internet and Magenta TV packages\nModern working environment with the equipment and tools required for your role\nYour balance\nFlexible working arrangements\nPrivate insurance for employees and their family members\nFamily Care: maternity, childbirth and parental leave to care for children, above the minimum required by law and provided equally to working mothers and fathers\nYour wellness\nHealth, safety, and wellness programs, including the “The Coach” exercise and wellness platform\nWellness and sports activities\nDietician appointments\nMedical check-ups\nTelekom psychological service\nYour development\nWe foster an empowering culture that encourages our people to seize every opportunity to learn and achieve personal development through:\nUnlimited access to digital learning platforms such as Percipio and Coursera\nVarious face-to-face and customized learning academies\nTalent and rotation programs\nYour onboarding\nVirtual new-hire preboarding and onboarding program\nA buddy to support you during your first months\nPlease note that you will be contacted only if you are shortlisted for an interview. 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