{"id":14384,"date":"2024-03-15T14:21:34","date_gmt":"2024-03-15T13:21:34","guid":{"rendered":"https:\/\/o-seznam.cz\/kariera\/?page_id=14384"},"modified":"2025-06-19T13:59:04","modified_gmt":"2025-06-19T11:59:04","slug":"datova-centra","status":"publish","type":"page","link":"https:\/\/o-seznam.cz\/kariera\/datova-centra\/","title":{"rendered":"Datov\u00e1 centra Seznamu"},"content":{"rendered":"\n
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U\u017e n\u011bjakou dobu budujeme vlastn\u00ed PaaS (Platform as a Service), kter\u00fd ozna\u010dujeme jako SCIF \u2013 Seznam Computing Infrastructure. Za t\u011bmito zkratkami najdete platformu na vlastn\u00edch serverech Seznamu, ty jsou p\u0159\u00edmo optimalizovan\u00e9 pro b\u011bh seznam\u00e1ck\u00fdch slu\u017eeb, jako je Seznam Email, Mapy.cz, obsahov\u00e9 weby a dal\u0161\u00ed. V sou\u010dasn\u00e9 dob\u011b m\u00e1me v provozu p\u0159es 12 tis\u00edc server\u016f. \u010c\u00e1st z nich je od tradi\u010dn\u00edch dodavatel\u016f, jako jsou Dell, HP nebo Fujitsu, p\u0159es dev\u011bt tis\u00edc u\u017e je ale s py\u0161n\u00fdm pomysln\u00fdm raz\u00edtkem „Made in Seznam“.<\/p>\n<\/div>\n\n\n\n

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Hmm, zrovna te\u010f m\u00e1me tyhle \u017eidle obsazen\u00e9<\/h2><\/div>

Mrkn\u011bte ale na dal\u0161\u00ed skv\u011bl\u00e9 pozice, to by v tom byl \u010dert, abychom pro v\u00e1s nic nena\u0161li.<\/p><\/div>\n\n\n\n

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Uk\u00e1zat v\u0161echny pozice<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n
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Jak\u00e9 t\u00fdmy budete potk\u00e1vat<\/h2>\n\n\n\n
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Na\u0161e servery hl\u00eddaj\u00ed Syst\u00e9mov\u00ed oper\u00e1to\u0159i v re\u017eimu 24\/7. A to v dohledov\u00e9m centru Kokura v Horn\u00edch Po\u010dernic\u00edch a v Nagoje v Ben\u00e1tk\u00e1ch nad Jizerou. T\u00fdmy jsou rozd\u011blen\u00e9 na IT \u010d\u00e1st a Non IT, ta se star\u00e1 o v\u00fdrobu server\u016f.<\/p>\n<\/div>\n\n\n\n

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Kolega \u0159\u00edk\u00e1<\/h2>\n\n\n
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Pavel Berounsk\u00fd<\/strong><\/p>\n\t\t\t

Mana\u017eer datov\u00e9ho centra<\/p>\n\t\t<\/div>\n\n\t\t

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\n\t\t\t\tB\u011bhem sv\u00e9 praxe jsem pro\u0161el mnoho obory a v posledn\u00edch 20 letech se v\u011bnuju hlavn\u011b datov\u00fdm centr\u016fm. Kdy\u017e jsem v roce 2013 dostal nab\u00eddku d\u011blat v Seznamu, tahle v\u00fdzva se nedala odm\u00edtnout. A proto pom\u00e1h\u00e1m rozv\u00edjet a provozovat technick\u00e9 z\u00e1zem\u00ed bez kter\u00e9ho by Seznam nemohl fungovat. Provoz se da\u0159\u00ed udr\u017eet v \u201erodinn\u00e9m\u201c t\u00fdmu i proto, \u017ee kolegov\u00e9 svou pr\u00e1ci pova\u017euj\u00ed za srdcovou z\u00e1le\u017eitost v\u016f\u010di Seznamu.\t\t\t<\/div>\n\t\t<\/div>\n\n\t<\/div>\n<\/div>\n <\/div>\n<\/div>\n\n\n\n
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\u010cast\u00e9 dotazy<\/h2>\n\n\n\n
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\n\t\n\t\t\t\tCo d\u011bl\u00e1 syst\u00e9mov\u00fd oper\u00e1tor v datov\u00e9m centru?<\/strong>\n\t\t\t<\/summary>\n\t
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Syst\u00e9mov\u00fd oper\u00e1tor se star\u00e1 o fyzick\u00e9 servery, jejich instalaci, p\u0159esuny, evidenci hardwaru a zaji\u0161\u0165uje bezprobl\u00e9mov\u00fd chod datov\u00fdch s\u00e1l\u016f.<\/p>\n<\/div><\/details>\n\n

\n\t\n\t\t\t\tJak m\u016f\u017ee vypadat den Syst\u00e9mov\u00e9ho oper\u00e1tora a o co se star\u00e1?<\/strong>\n\t\t\t<\/summary>\n\t
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Ve v\u0161edn\u00ed dny vy\u0159izuj\u00ed kolegov\u00e9 ve webov\u00e9m n\u00e1stroji GitLab frontu po\u017eadavk\u016f, kter\u00e1 ukazuje, co konkr\u00e9tn\u00ed servery pot\u0159ebuj\u00ed. Tomu se pak p\u0159\u00edmo na s\u00e1lech v\u011bnuj\u00ed. Oper\u00e1to\u0159i zaji\u0161\u0165uj\u00ed cel\u00fd \u017eivotn\u00ed cyklus serveru \u2013 od jeho po\u0159\u00edzen\u00ed, p\u0159es p\u0159\u00edpravu racku a zas\u00ed\u0165ov\u00e1n\u00ed, a\u017e po fyzickou instalaci a zprovozn\u011bn\u00ed.<\/p>\n\n\n\n

<\/p>\n<\/div><\/details>\n\n

\n\t\n\t\t\t\tJak se \u0159e\u0161\u00ed p\u0159\u00edpadn\u00e9 chyby a v\u00fdpadky datov\u00fdch center?<\/strong>\n\t\t\t<\/summary>\n\t
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P\u0159\u00edpadn\u00e9 poruchy se hl\u00e1s\u00ed formou ticket\u016f v GitLabu a d\u00e1le se \u0159e\u0161\u00ed. Frontu po\u017eadavk\u016f si kolegov\u00e9 t\u0159\u00edd\u00ed podle jednotliv\u00fdch datacenter a typ\u016f z\u00e1vad komponent.<\/p>\n\n\n\n

<\/p>\n<\/div><\/details>\n\n

\n\t\n\t\t\t\tJak velk\u00fd t\u00fdm tvo\u0159\u00ed Syst\u00e9mov\u00ed oper\u00e1to\u0159i?<\/strong>\n\t\t\t<\/summary>\n\t
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Aktu\u00e1ln\u011b je n\u00e1s 16, ale do budoucna nevylu\u010dujeme, \u017ee se t\u00fdm rozroste.<\/p>\n<\/div><\/details>\n\n

\n\t\n\t\t\t\tJak\u00e9 jsou n\u00e1zvy na\u0161ich datov\u00fdch center?<\/strong>\n\t\t\t<\/summary>\n\t
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Datov\u00e1 centra se jmenuj\u00ed Kokura, Nagoja a Osaka.<\/p>\n\n\n\n

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\n\t\n\t\t\t\tJak\u00e9 n\u00e1stroje p\u0159i pr\u00e1ci v datov\u00fdch centrech pou\u017e\u00edv\u00e1te?\u00a0<\/strong>\n\t\t\t<\/summary>\n\t
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Nej\u010dast\u011bji pou\u017e\u00edv\u00e1me GitLab pro spr\u00e1vu po\u017eadavk\u016f a dokumentaci, k tomu intern\u00ed chat pro t\u00fdmovou komunikaci.<\/p>\n\n\n\n

<\/p>\n<\/div><\/details>\n\n

\n\t\n\t\t\t\tKolik server\u016f m\u00e1me v datacentrech?<\/strong>\n\t\t\t<\/summary>\n\t
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Je jich p\u0159es 12 tis\u00edc.<\/p>\n<\/div><\/details>\n<\/div><\/div>\n\n<\/div>\n\n\n\n

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Pro\u010d do toho j\u00edt s n\u00e1mi<\/h2>\n\n\n\n
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\u010cesk\u00e1 internetov\u00e1 jedni\u010dka<\/strong><\/p>\n\n\n\n

Na vln\u00e1ch internetu jedeme u\u017e od roku 1996, tak\u017ee n\u011bjak\u00e1 ta bou\u0159e n\u00e1s nerozh\u00e1z\u00ed. M\u00e1me pevnou pozici i v dob\u011b siln\u00e9 konkurence a stabiln\u00ed m\u00edsto nab\u00edz\u00edme i v\u00e1m.<\/p>\n<\/div>\n\n\n\n

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Slu\u017eby, kter\u00e9 pom\u00e1haj\u00ed<\/strong><\/p>\n\n\n\n

Z jedn\u00e9 domovsk\u00e9 str\u00e1nky jsme se po\u0159\u00e1dn\u011b rozrostli. Dnes m\u00e1me na triku \u0159adu obl\u00edben\u00fdch slu\u017eeb, kter\u00e9 denn\u011b uleh\u010duj\u00ed \u017eivot milion\u016fm lid\u00ed na \u010desk\u00e9m internetu.<\/p>\n<\/div>\n<\/div>\n\n\n\n

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Inovace, AI a jedine\u010dn\u00e9 technologie<\/strong><\/p>\n\n\n\n

Inovujeme technologie tak, aby byl \u010desk\u00fd internet st\u00e1le bezpe\u010dn\u00fdm m\u00edstem. A um\u00edme rozvinout i v\u00e1\u0161 potenci\u00e1l, proto\u017ee na lidech n\u00e1m z\u00e1le\u017e\u00ed a\u017e na prvn\u00edm m\u00edst\u011b.<\/p>\n<\/div>\n\n\n\n

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Nez\u00e1visl\u00e1 m\u00e9dia<\/strong><\/p>\n\n\n\n

Nevlastn\u00ed n\u00e1s \u017e\u00e1dn\u00fd politik ani magn\u00e1t, za na\u0161\u00edm zpravodajstv\u00edm a publicistikou stoj\u00ed tvrd\u00e1 a poctiv\u00e1 pr\u00e1ce nez\u00e1visl\u00fdch novin\u00e1\u0159\u016f a prof\u00edk\u016f medi\u00e1ln\u00edho sv\u011bta.<\/p>\n<\/div>\n<\/div>\n\n\n\n

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Korpor\u00e1t s neform\u00e1ln\u00edm prost\u0159ed\u00edm<\/strong><\/p>\n\n\n\n

Pravidla respektujeme, ale nehrot\u00edme. Zakl\u00e1d\u00e1me si na up\u0159\u00edmn\u00e9 komunikaci a pom\u00e1h\u00e1me si. A r\u00e1di se potk\u00e1v\u00e1me i ve fitku nebo v hospod\u011b.<\/p>\n<\/div>\n\n\n\n

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Onboarding a zp\u011btn\u00e1 vazba<\/strong><\/p>\n\n\n\n

A\u0165 u\u017e nastoup\u00edte na jakoukoliv pozici, \u010dek\u00e1 v\u00e1s kompletn\u00ed za\u0161kolen\u00ed, p\u0159\u00e1telsk\u00fd p\u0159\u00edstup a pomocn\u00e9 ruce na\u0161ich skv\u011bl\u00fdch tren\u00e9r\u016f.<\/p>\n<\/div>\n<\/div>\n\n\n\n

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Uk\u00e1zat v\u0161echny pozice<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n
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Na co se m\u016f\u017eete t\u011b\u0161it<\/h2>\n\n\n
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\n\t\n\t\t\t\t\t\"\"<\/span>\n\t\t\t\tTechnika na p\u0159\u00e1n\u00ed<\/strong>\n\t\t\t<\/summary>\n\t
Apple, Linux nebo Windows? V\u0161echno m\u00e1me a k dispozici d\u00e1me. A pokud u\u017e jste zvykl\u00ed na sv\u00e9 vymazlen\u00e9 mil\u00e1\u010dky, pracujte klidn\u011b na vlastn\u00edm za\u0159\u00edzen\u00ed a my v\u00e1m budeme finan\u010dn\u011b p\u0159isp\u00edvat.<\/div><\/details>\n\n
\n\t\n\t\t\t\t\t\"\"<\/span>\n\t\t\t\tDovolen\u00e1 o t\u00fdden del\u0161\u00ed<\/strong>\n\t\t\t<\/summary>\n\t
Dovolen\u00e9 nen\u00ed nikdy dost. Proto v\u00e1m ke standardn\u00edm 4 t\u00fddn\u016fm dovolen\u00e9 p\u0159id\u00e1me je\u0161t\u011b dal\u0161\u00ed t\u00fdden.<\/div><\/details>\n\n
\n\t\n\t\t\t\t\t\"\"<\/span>\n\t\t\t\tDny volna nav\u00edc<\/strong>\n\t\t\t<\/summary>\n\t
K dovolen\u00e9 je\u0161t\u011b dal\u0161\u00edch 5 dn\u016f? No fakt. A\u0165 u\u017e chcete t\u0159eba jen leno\u0161it nebo v\u00e1s hezk\u00e9 po\u010das\u00ed naopak \u017eene ven, u\u017eijte si volno podle va\u0161ich p\u0159edstav.<\/div><\/details>\n\n
\n\t\n\t\t\t\t\t\"\"<\/span>\n\t\t\t\tPru\u017en\u00e1 pracovn\u00ed doba<\/strong>\n\t\t\t<\/summary>\n\t
N\u011bkdo je rann\u00ed pt\u00e1\u010de a nejv\u00edc pr\u00e1ce ud\u011bl\u00e1 se sv\u00edt\u00e1n\u00edm, n\u011bkdo zas sova a nejv\u00edc klidu na pr\u00e1ci m\u00e1 ve\u010der. D\u016fle\u017eit\u00e9 jsou pro n\u00e1s kvalitn\u00ed v\u00fdsledky, ne v\u00e1\u0161 rozvrh hodin.<\/div><\/details>\n\n
\n\t\n\t\t\t\t\t\"\"<\/span>\n\t\t\t\tHome office lze dohodnout<\/strong>\n\t\t\t<\/summary>\n\t
V kancel\u00e1\u0159i bychom v\u00e1s p\u0159eci jen r\u00e1di ob\u010das potkali, a\u0165 se nediv\u00edme, kde jste se u n\u00e1s vzali. Ale \u017ee jde n\u011bkdy pr\u00e1ce l\u00edp od ruky z dom\u00e1c\u00edho prost\u0159ed\u00ed, tomu taky rozum\u00edme. Domluvte se s nad\u0159\u00edzen\u00fdm a jist\u011b najdete dobr\u00fd kompromis.<\/div><\/details>\n\n
\n\t\n\t\t\t\t\t\"\"<\/span>\n\t\t\t\tBudget pro voln\u00fd \u010das<\/strong>\n\t\t\t<\/summary>\n\t
Vym\u011bnit body za kulturu, zdrav\u00ed, sport, dovolenou nebo extra volno? Beze v\u0161eho.<\/div><\/details>\n<\/div><\/div>\n\n<\/div><\/div>\n\n\n\n
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Prvn\u00ed dny v Seznamu<\/h2>\n\n\n\n

Koukn\u011bte, jak vypad\u00e1 prvn\u00ed den, a\u0165 se va\u0161e cesta na vysn\u011bnou pozici obejde bez zbyte\u010dn\u00fdch \u0161kobrtnut\u00ed.<\/p>\n\n\n\n

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\n\t\n\t\t\t\t\t1<\/span><\/span>\n\t\t\t\tV\u00edtejte na palub\u011b aneb Pre-onboarding<\/strong>\n\t\t\t<\/summary>\n\t
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Skv\u011ble, pl\u00e1cli jsme si na spolupr\u00e1ci. N\u00e1stupn\u00ed dokumenty podep\u00ed\u0161ete elektronicky klidn\u011b je\u0161t\u011b p\u0159ed n\u00e1stupem. \u017d\u00e1dn\u00e9 pap\u00edrov\u00e1n\u00ed, \u0161et\u0159\u00edme p\u0159\u00edrodu. A kdy\u017e budete cht\u00edt, m\u016f\u017eeme se rovnou domluvit na kafe s n\u011bk\u00fdm z t\u00fdmu, a\u0165 se nalad\u00edte na na\u0161i atmosf\u00e9ru.<\/p>\n\n<\/div><\/details>\n\n\n\n

\n\t\n\t\t\t\t\t2<\/span><\/span>\n\t\t\t\tHur\u00e1, v\u00e1\u0161 prvn\u00ed den v Seznamu<\/strong>\n\t\t\t<\/summary>\n\t
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Ka\u017ed\u00fd za\u010d\u00e1tek m\u011bs\u00edce v\u00edt\u00e1me v\u0161echny nov\u00e1\u010dky u n\u00e1s na centr\u00e1le v Praze. Vy\u0159e\u0161\u00edme pot\u0159ebnou administrativu, p\u0159ed\u00e1me v\u00e1m techniku, sezn\u00e1m\u00edme v\u00e1s s kolegy a nakonec v\u00e1s provedeme po na\u0161em labyrintu.<\/p>\n\n<\/div><\/details>\n\n\n\n

\n\t\n\t\t\t\t\t3<\/span><\/span>\n\t\t\t\tAdaptace aneb j\u00e9\u00e9\u00e9, funguje to!<\/strong>\n\t\t\t<\/summary>\n\t
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Na za\u010d\u00e1tku to vypad\u00e1 mo\u017en\u00e1 trochu chaoticky, ale nebojte, m\u00e1me promakan\u00fd syst\u00e9m \u0161kolen\u00ed pro ka\u017edou pozici, tak\u017ee co neum\u00edte, r\u00e1di nau\u010d\u00edme.<\/p>\n\n<\/div><\/details>\n\n\n\n

\n\t\n\t\t\t\t\t4<\/span><\/span>\n\t\t\t\tUm\u00edte v\u0161e levou zadn\u00ed? Pak je tu intern\u00ed vzd\u011bl\u00e1v\u00e1n\u00ed<\/strong>\n\t\t\t<\/summary>\n\t
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Po rozpa\u010dit\u00e9m za\u010d\u00e1tku jste u\u017e prof\u00edci v oboru, gratulujeme. A proto\u017ee um\u011bt v\u0161echno je nuda, n\u00e1\u0161 t\u00fdm tren\u00e9r\u016f v\u00e1m r\u00e1d porad\u00ed s dal\u0161\u00edm rozvojem. A nab\u00eddka je nekone\u010dn\u011b bohat\u00e1, vybrat si m\u016f\u017eete z na\u0161eho e-learningu nebo \u0161kolen\u00ed p\u0159\u00edmo na m\u00edru.<\/p>\n\n<\/div><\/details>\n\n<\/div><\/div>\n\n<\/div>\n<\/div>\n\n\n\n

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Kde n\u00e1s najdete<\/h2>\n\n\n
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\n\t\"Mapa\n\t<\/span><\/span>