System Engineer

2 tygodni temu


Warszawa, Mazovia, Polska CloudFerro S.A. Pełny etat

Opis Stanowiska: Poszukujemy doświadczonego administratora systemów Linux i baz danych, który będzie odpowiedzialny za zapewnienie stabilności, bezpieczeństwa i wydajności naszych systemów bazodanowych.

Obowiązki:

  • Konfigurowanie i opieka administracyjna nad systemami Linux, w szczególności systemami bazodanowymi,
  • Monitorowanie wydajności baz danych oraz optymalizacja zapytań SQL oraz struktur danych,
  • Zapewnienie wysokiej dostępności (HA) i odporności na awarie (DR) systemów bazodanowych,
  • Rozwiązywanie problemów i wsparcie techniczne dla zespołów programistycznych i operacyjnych,
  • Tworzenie i aktualizacja dokumentacji technicznej oraz procedur operacyjnych,
  • Pisanie skryptów standaryzujących i automatyzujących rutynowe prace administracyjne,
  • Wdrażanie i utrzymywanie środowisk systemowych Linux, wirtualizacyjnych Proxmox, bazodanowych PostgreSQL (patroni) i MySQL (galera).

Wymagania:

  • Rozumienie architektury oraz doświadczenie w administrowaniu systemów operacyjnych Linux,
  • Znajomość narzędzi zarządzania konfiguracją (Ansible),
  • Doświadczenie w analizie wydajności serwerów baz danych, struktur, zapytań oraz ich optymalizacji,
  • Głębokie zrozumienie mechanizmów replikacji i wysokiej dostępności baz danych,
  • Doświadczenie w partycjonowaniu tabel w bazach danych, w tym znajomość technik partycjonowania (np. partycjonowanie poziome i pionowe) oraz strategii zarządzania partycjami,
  • Umiejętności tworzenia i zarządzania optymalnymi indeksami w bazach danych, w tym indeksy wielokolumnowe, unikalne oraz full-text,
  • Znajomość mechanizmów buforowania i zarządzania pamięcią podręczną w bazach danych,
  • Doświadczenie w migracjach oraz znajomość technik minimalizacji przestojów podczas migracji,
  • Praktyczna znajomość narzędzi monitoringu i analizy wydajności baz danych,
  • Umiejętności programowania: Bash/Python,
  • Swoboda w porozumiewaniu się w języku angielskim.


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