{"id":2172834,"url":"https://alion.io/job/planet-oracle-database-administrator","title":"Oracle Database Administrator","company":{"id":871109,"name":"PLANET","domain":"planet.gr","url":"https://alion.io/company/planet-gr","size_band":"1-10","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"C","score":62,"open_postings":11,"ghost_share":0.636,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-12T06:55:09Z"}},"role":"Data Science","role_family":"Data Science","seniority":null,"employment_type":"full_time","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":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Linux","optional":false},{"name":"Oracle","optional":false},{"name":"ServiceNow","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-10-09T12:57:41Z","employer_posted_date":"2026-10-09","last_verified_at":"2026-10-13T01:58:22Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":2},"description":"Η PLANET S.A. αναζητά Oracle Database Administrator για την ενίσχυση της ομάδας βάσεων δεδομένων μεγάλου οργανισμού του ενεργειακού τομέα. Στον ρόλο αυτό, θα έχετε την ευθύνη της εγκατάστασης, διαχείρισης, ασφάλειας και απόδοσης των βάσεων δεδομένων Oracle, τόσο σε on-premise υποδομές όσο και σε cloud, και θα συμμετέχετε ενεργά στον σχεδιασμό, τις αναβαθμίσεις και τις μεταφορές τους.\nResponsibilities:\nΕγκατάσταση, παραμετροποίηση, συντήρηση και επίλυση προβλημάτων σε βάσεις δεδομένων Oracle, on-premise και σε cloud.\nΔιαχείριση ασφάλειας και ακεραιότητας βάσεων, δικαιωμάτων χρηστών και αντιγράφων ασφαλείας (RMAN).\nΈλεγχος scripts των προγραμματιστών και εφαρμογή πολιτικών και διαδικασιών ασφαλείας.\nΠαρακολούθηση των συστημάτων για την πρόληψη αστοχιών και βελτιστοποίηση απόδοσης (Performance Tuning) με Statspack και AWR.\nΑναβαθμίσεις, μεταφορές σε νεότερες εκδόσεις και εγκατάσταση patches.\nArchiving και replication δεδομένων με Multi-Master replication, Active Data Guard και GoldenGate, καθώς και διαχείριση db-links.\nΕνεργή συμμετοχή στον σχεδιασμό και την ανάπτυξη βάσεων δεδομένων και στις διαδικασίες συντήρησης.\nΕπικοινωνία με προγραμματιστές, project managers, ανάδοχες εταιρείες και τις ομάδες ασφάλειας, δικτύων και συστημάτων.\nΔημιουργία και παρακολούθηση Service Requests στο Oracle Support και διαχείριση αιτημάτων μέσω ticketing συστημάτων (JIRA, ServiceNow).\nΑνάπτυξη και συντήρηση τεχνικής τεκμηρίωσης και εκπαίδευση junior DBAs.\nΔιασφάλιση της τήρησης SLAs και στόχων.\nRequirements\nΤουλάχιστον 5 έτη αποδεδειγμένης επαγγελματικής εμπειρίας σε Oracle RDBMS, Oracle Exadata και Oracle Cloud Infrastructure\nΕμπειρία σε λειτουργικά συστήματα Oracle Linux και AIX\nLinux shell scripting και χρήση SQL / PL-SQL\nΚατανόηση προτύπων δικτύωσης και βέλτιστων πρακτικών\nΑναλυτική σκέψη και ικανότητα επίλυσης σύνθετων προβλημάτων υποδομής\nΆριστη γνώση της Αγγλικής γλώσσας\nΕπιθυμητά προσόντα\nOracle Certified Professional Database Administrator\nOracle Cloud Infrastructure Certified Architect Associate\nOracle Cloud Database Migration and Integration Certified Specialist\nOracle Cloud 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